2.nbt.6 add up to four two-digit numbers using strategies based on place value and properties of operations.

Answers

Answer 1

We are going to solve this question with the help of "Toll Bridge Puzzle" using strategies based on place value and properties of operations.

The image below depicts bridges connecting islands. You must pay a toll in coins to cross a bridge. How can you get to the island marked in red if you start on the island marked in blue with 100 coins?

Step-By-Step Explanation:

This task is designed to assess the addition of four numbers as specified in the standard while remaining in a problem-solving context.

This task is intended to be instructional; however, due to the random nature of when the correct route is discovered, it is not suitable for assessment.

This puzzle works well as a physical re-enactment, with paper plates representing the islands and strings with papers attached representing the tolls.

The single digit numbers will often lead students to believe that the route must pass that way. They may also miss the "crossover" by using the central island, finding the 23 + 25 + 29 + 24 route but not the 32 + 15 + 40 + 38 route or the 32 + 15 + 29 + 24 route.

Technically, paths that run from right to left along some bridges (for example, 32 + 5 + 41 + 40 + 29 + 24) could also be considered. In this case, however, such paths can be ignored because students will find a cheap enough path by only investigating paths that run from left to right. One might be tempted to modify the problem by having the student start with 99 coins and ask if reaching the red island is possible. Such a change, however, would be inappropriate because a mathematically valid solution would require the student to consider all paths, including those that cross some bridges from right to left.

Solution:

32 + 15 + 29 + 24 = 100

Other possible routes:

23 + 51 + 3 + 24 = 101

23 + 25 + 29 + 24 = 101

23 + 25 + 40 + 38 = 126

32 + 15 + 40 + 38 = 116

32 + 5 + 41 + 38 = 116

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2.nbt.6 Add Up To Four Two-digit Numbers Using Strategies Based On Place Value And Properties Of Operations.

Related Questions

What is your creative solution for clean, sustainable, and accessible energy?

Answers

Plant power and solar power or air power which is kinda a infinite power source

If your engine fails (completely shuts down) what should you do with your brake?

Answers

Answer:

take your foot off of the accelorator. do not brake and let the vehicle coast until it stops. put on your hazard lights as well

Explanation:

A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120 V rms. The load draws a total of 10 kW at a power factor of 0.85 (lagging). Calculate the rms value of the phase currents and the magnitude of the per-phase load impedance. Draw a phasor diagram showing all tlme voltages and currents.

Answers

Answer:

Following are the solution to the given question:

Explanation:

Line voltage:

\(V_L=\sqrt{3}V_{ph}=\sqrt{3}(120) \ v\)

Power supplied to the load:

\(P_{L}=\sqrt{3}V_{L}I_{L} \cos \phi\)

\(10\times 10^3=\sqrt{3}(120 \sqrt{3}) I_{L}\ (0.85)\\\\I_{L}= 32.68\ A\)

Check wye-connection, for the phase current:

\(I_{ph}=I_L= 32.68\ A\)

Therefore,

Phasor currents: \(32.68 \angle 0^{\circ} \ A \ ,\ 32.68 \angle 120^{\circ} \ A\ ,\ and\ 32.68 -\angle 120^{\circ} \ A\)  

Magnitude of the per-phase load impedance:

\(Z_{ph}=\frac{V_{ph}}{I_{ph}}=\frac{120}{32.68}=3.672 \ \Omega\)

Phase angle:

\(\phi = \cos^{-1} \ (0.85) =31.79^{\circ}\)

Please find the phasor diagram in the attached file.

A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source

Every Minutes,somebody dies on the road in the us

A. 7
B. 9
C. 11
D. 14

Answers

Answer:

b.9

Explanation:

not sure

Technician A says that the body is bolted to the frame in a body-over-frame vehicle.

Answers

C) Both A and B. Hence Technician A says that the body is bolted to the frame in a body-over-frame vehicle is correct and Technician B says that a body-over-frame vehicle usually has the body welded to the frame kis correct.

What is the Technician  about?

Technician A is correct in saying that a body-over-frame vehicle may have front upper rails. Front upper rails are a type of structural member that can be used to reinforce the front of the vehicle's body-on-frame structure.

Technician B is also correct in saying that a body-over-frame vehicle usually has the body welded to the frame. In a body-over-frame design, the body of the vehicle is mounted onto a separate frame, and the two are joined together using bolts or welding.

Therefore, both technicians are correct in their statements.

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See full question below

Technician A says that a body-over-frame vehicle may have front upper rails.

Technician B says that a body-over-frame vehicle usually has the body welded to the frame.

Who is right?

A)

A only

B)

B only

C)

Both A and B

D) Neither A nor B

why is ongoing safety training important

Answers

Answer:

Keeps workers interested and motivated, helping reduce dangerous behavior and eliminate hazardous situations

Explanation:

Frequent hands-on training and practice drives home the message that safety is a critical part of any work site. Safety should always be a top concern for every company and organization.

Propose a solution (10 points) imagine you are an engineer who wants to design a new device to generate electricity using wave and tidal power

Answers

One solution could be to design a floating platform with turbines that can capture the kinetic energy of both waves and tides to generate electricity.

Explanation:

In order to design a new device to generate electricity using wave and tidal power, an engineer should first consider the natural forces that create these waves and tides. The device should be able to harness the kinetic energy of the waves and tides, and convert it into electrical energy. The device should also be able to withstand the harsh conditions of the ocean environment, including strong winds, currents, and saltwater corrosion. The device should be designed to be efficient, cost-effective, and environmentally friendly. The device should be tested and optimized to ensure that it is capable of generating a consistent and reliable source of electricity over the long term.

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I am trying to create a line of code to calculate distance between two points. (distance=\(\sqrt{ (x2-x1)^2+(y2-y1)^2}) My line is point_dist = math.sqrt((math.pow(x2 - x1), 2) + math.pow(y2 - y1), 2) but I am getting an error saying that pow is expecting two arguments and is only getting one. Can anyone help me?

Answers

Answer:

point_dist = math.sqrt((math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2))

Explanation:

The distance formula is the difference of the x coordinates squared, plus the difference of the y coordinates squared, all square rooted.  For the general case, it appears you simply need to change how you have written the code.

point_dist = math.sqrt((math.pow(x2 - x1, 2) + math.pow(y2 - y1, 2))

Note, by moving the 2 inside of the pow function, you have provided the second argument that it is requesting.

You were close with your initial attempt, you just had a parenthesis after x1 and y1 when you should not have.

Cheers.

A chef needs 20 walnuts for a recipe and has to crack each one. the effort force is 4.1inches from the fulcrum and the walnut sits 2.2inces from the fulcrum. if the chef can only apply 7lb of force, what is the maximum amount of resistance force the walnut can apply in order for the nut to be cracked? answer should be to the nearest (0.0)

Answers

The calculated answer is 4 kgf. The greatest resisting force that the walnut may exert before the nut cracks

In physics, resistive force is a a type of force, or the vector sum of the various forces, whose direction is opposite to the motion of a body, and may refer to: Friction, during sliding and/or rolling. During moving through a fluid, drag (physics) (see fluid dynamics). For all compression positions, the direction of specific deformation as a function of shell thickness and geometric mean diameter was identical to the direction of energy.

If load is 40 kgf and effort is?

effort arm=20 cm, load arm=2 cm

By the moments' principle,

effort arm equals load arm.

40kgf×2cm=E×10cm

∴E=40×220kgf=4kgf.

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effects of salinity water on alfalfa

Answers

It creates osmotic stress

42. A vehicle has sagged rear springs and reduced rear curb riding height. This problem results
in?
A. Excessive positive camber on the front wheels
B. Excessive toe-out on the front wheels
C. Excessive positive caster on the front wheels
D. Excessive toe-in on the front wheels
43. On a vehicle equipped with rear parallel leaf springs and a solid rear axle, customer is
complaining that the vehicle reacts erratically (it darts) during turns. What is the most likely
cause of this complaint?
A. Incorrect ride height
B. Incorrect driveline angle
C. Loose rear axle U-bolts
D. Missing jounce/rebound bumpers
44. A power steering pump is being tested with a pressure gauge for maximum output pressure.
Which of the following statements is correct?
A. The pressure gauge should be attached to the pump return port
B. The steering wheel should be held in the right lock position
C. A maximum output pressure dead heading test should last no longer than 5 seconds
D. One should check output pressure with engine speed above 4000rpm​

Answers

Answer:1. Driving under the influence of any drug that makes you drive unsafely is:

a. Permitted if it is prescribed by a doctor

b. Against the law

c. Permitted if it is a diet pill or cold medicine

2. Which fires can you put out with water:

a. Tire fires

b. Gasoline fires

c. Electrical fires

3. How far should a driver look ahead of the vehicle while driving:

a. 9-12 seconds

b. 12-15 seconds

c. 18-21 seconds

4. To prevent shifting, there should be at least one tie-down for ever ____feet of cargo: a. 10

b. 15 c. 18

5. Which of these statements about downshifting is true:

a. When you downshift for a curve, you should do so before you enter the curve

b. When you downshift for a hill, you should do so after you start down the hill

c. When you downshift for a curve, you should do so after you enter the curve

6. How do you test hydraulic brakes for a leak:

a. Move the vehicle slowly and see if it stops when the brake is applied

b. With the vehicle stopped, pump the pedal three time, apply pressure then hold

For five seconds and see it the pedal moves.

c. Step on the brake pedal and accelerator at the same time and see if the vehicle moves

7. For an average driver, driving 55 MPH on dry pavement, it will take about _____ to bring The vehicle to a stop:

a. Twice the length of the vehicle

b. Half the length of a football field

c. The length of a football field

8. You are driving a vehicle with a light load, traffic is moving at 35 MPH in a 55 MPH zone. The safest speed for your vehicle in this situation is most likely:

a. 30 MPH

b. 35 MPH

c. 40 MPH

9. Which of these is a good rule to follow when driving at night:

a. Keep your speed slow enough to stop within the range of your headlights

b. Look directly at oncoming headlights

c. Keep your instrument lights bright

 

10. A moving vehicle ahead of you has a red triangle with an orange center on the rear. What does this mean?

a. The vehicle is hauling hazardous materials

b. It may be a slow-moving vehicle

c. It may be oversized

11. You wish to turn right form a two lane two way street to make the turn. Which of these Drawings show how the turn should be made.

12. You are driving a heavy vehicle and must exit a highway using an offramp that curves downhill:

a. Use the posted speed limit for the offramp

b. Slow down to a safe speed before the turn

c. Wait until you are in the turn before downshifting

13. Which of these statements about using mirrors is true:

a. You should look at a mirror for several seconds at a time

b. There are “blind spots” that your mirror cannot show you

c. A lane change requires you to look at the mirrors twice

14. You must park on the side of a level, straight, two-lane road. Where should you place the three reflective triangles?

a. one within 10 feet of the rear of the vehicle, one about 100 feet to the rear and one about 200 feet to the rear.

b. One with 10 feet of the rear of the vehicle, one about 100 feet to the rear and one about 100 feet from the front of the vehicle

c. One about 50 feet from the rear of the vehicle, one about 100 feet to the rear and one about 100 feet from the front of the vehicle

15. Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?

a. Stopping is always the safest action in a traffic emergency

b. Heavy vehicles can almost always turn more quickly than they can stop

c. Leaving the road is always more risky than hitting another vehicle

16. The most important reason for being alert to hazards is:

a. Law enforcement personnel can be called

b. You will have time to plan your escape if the hazard becomes an emergency

c. You can help impaired drivers

17. You are traveling down a long, steep hill. Your brakes begin to fade and then fail. What should you do?

a. Downshift

b. Pump the brake pedal

c. Look for an escape ramp or escape route

18. The most common cause of serious vehicle skids is:

a. Driving too fast for road conditions

b. Poorly adjusted brakes

c. Bad tires

19. To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement?

a. If clear, come to a complete stop before steering back onto the pavement

b. Brake had to slow the vehicle, then steer sharply onto the pavement

c. Keep moving at the present speed and steer very gently back onto the pavement

20. If

a. Slide sideways and spin out

b. Go straight ahead but will turn if you turn the steering wheel

c. Go straight ahead even if the steering wheel is turned

Briefly discuss the principle forms of communication that might be utilized in the construction industry?

Answers

Answer:

xcvjchjcnjkkhjmklk heyyyy biiiiiiiittcccchhh

Every motor vehicle except for
grade.
must be equipped with a parking brake that can hold a vehicle stationary on any
a) Motorcycles
b) Ambulances
c) Garbage trucks

Answers

Answer:

Motor Cycles

Explanation:

Motor cycles have no parking brake

how should email be considered similar to a phone call

Answers

Answer:

Emails and phone calls are both common forms of communication that are used in professional and personal settings. There are several similarities between email and phone calls:

1. Both are asynchronous forms of communication: Unlike instant messaging or face-to-face conversations, both emails and phone calls allow the sender or recipient to respond at their convenience. They don't require immediate attention or an instant response.

2. Both are written forms of communication: While phone calls rely on spoken words, emails are written. As a result, both can be used to convey detailed information and allow the sender to carefully consider their words before sending.

3. Both are forms of direct communication: Emails and phone calls both allow for direct communication between two parties. This can be beneficial for discussing sensitive information or resolving issues quickly.

4. Both can be used for formal and informal communication: Emails and phone calls can be used in both personal and professional contexts. They are both flexible forms of communication that can be adapted to fit different situations.

5. Both require attention to tone and etiquette: Just like with phone calls, emails require attention to tone and proper etiquette. Both forms of communication should be approached professionally and respectfully to ensure effective communication.

In conclusion, while there are differences between emails and phone calls, there are also similarities that make them useful communication tools. Both allow for direct, asynchronous communication and can be adapted to fit different situations.

Explanation:

Perform the following unit conversions. Please do not use an on-line unit converter since this problem is given to you as practice in preparation for what you need to be proficient in:

a. 180 in^3 to L
b. 750 ft-lbf to kJ
c. 75.0 hp to kW
d. 2500.0 lb/h to kg/s
e. 120 psia to kPa
f. 120 psig to kPa
g. 300 ft/min to m/s
h. 125 km/h to miles/h
i. 6000 N to Ibf
j. 6000 N to ton

Answers

Answer:

The answers are below

Explanation:

a. 180 in^3 to L

1 in³ = 0.0164L

180 in³ = \(180\ in^3*\frac{0.0164\ L}{1\ in^3}= 2.95\ L\)

b. 750 ft-lbf to kJ

1 ft-lbf = 0.00136 kJ

750 ft-lbf  = \(750\ ft-lbf *\frac{0.00136\ kJ}{1\ ft-lbf} =1.02\ kJ\)

c. 75.0 hp to kW

1 hp = 0.746 kW

75 hp = \(75\ hp*\frac{0.746\ kW}{1\ hp}=55.95\ kW\)

d. 2500.0 lb/h to kg/s

1 lb/h = 0.000126 kg/s

2500.0 lb/h = \(2500.0\ lb/h*\frac{0.000126\ kg/s}{1\ lb/h} =0.315\ kg/s\)

e. 120 psia to kPa

1 psia = 6.89 kPa

120 psia = \(120\ psia*\frac{6.89\ kPa}{1\ psia} =826.8\ kPa\)

f. 120 psig to kPa

1 psig = 6.89 kPa

120 psig = \(120\ psia*\frac{6.89\ kPa}{1\ psig} =826.8\ kPa\)

g. 300 ft/min to m/s

1 ft/min = 0.005 m/s

300 ft/min = \(300\ ft/min*\frac{0.005\ m/s}{1\ ft/min} = 1.5\ m/s\\\)

h. 125 km/h to miles/h

1 km/h = 0.62 mph

125 km/h = \(125\ km/h*\frac{0.62\ mph}{1\ km/h} =77.5\ mph\)

i) 6000 N to Ibf

1 N = 0.2248 lbf

6000 N = \(6000\ N*\frac{ 0.2248\ lbf}{1\ N}=1348.8\ N\)

j. 6000 N to ton

1 N =  0.000102 Ton-force

6000 N = \(6000\ N*\frac{ 0.000102\ Ton-force}{1\ N}=0.612\ N\)

What is computer programming

Answers

Answer:

Computer programming is where you learn and see how computers work. People do this for a living as a job, if you get really good at it you will soon be able to program/ create a computer.

Explanation:

Hope dis helps! :)

why is it important to maintain control and oversight in the enterprise architecture process

Answers

Maintaining control and oversight in the enterprise architecture process is important because it helps ensure that the architecture aligns with the goals and objectives of the organization, supports the delivery of business value, and manages risk effectively.

What is enterprise architecture process?

Enterprise architecture (EA) is a systematic approach to designing, planning, implementing, and governing the information technology and business processes of an organization.

The enterprise architecture process involves the development of a holistic, integrated view of an organization's strategy, processes, information, and technology.

It defines the current and future state of the organization and provides a roadmap for transforming the organization to meet its goals and objectives. The enterprise architecture process typically includes the following steps: assessment, planning, design, implementation, and governance. These steps ensure that the organization's technology and business processes are aligned and support the delivery of business value.

Maintaining control and oversight in the enterprise architecture process is important because it helps ensure that the architecture aligns with the goals and objectives of the organization, supports the delivery of business value, and manages risk effectively.

It also ensures that resources are used effectively, fosters collaboration and coordination among stakeholders, and supports decision-making processes.

With proper control and oversight, enterprise architecture can be used to drive organizational change and continuously improve the effectiveness and efficiency of the organization.

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If control requirements are very complex or extensive, a? Can be installed.
A. Master sequencer B. Transistor c. Conventional switch d. Double relay

Answers

If control requirements are very complex or extensive, a: A. Master sequencer can be installed.

A master sequencer is a device that controls multiple circuits in a predetermined sequence. It is commonly used in industrial settings where multiple machines or systems need to be turned on or off in a specific order.  A master sequencer can be programmed to turn on and off circuits at specific times, or based on certain conditions. This allows for precise control of complex systems, and can help prevent equipment damage or failures.

Additionally, a master sequencer can provide a level of safety by ensuring that certain circuits are turned off before others are turned on, reducing the risk of accidents or injuries. Overall, a master sequencer is a valuable tool for controlling complex systems in industrial or commercial settings. So the answer is A. Master sequencer.

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Recall a recent decision that you had difficulty making. How did you diagnose and solve the challenge? Were the consequences good, bad, or both? Should you, and could you, have done anything differently in making the decision? Based on what you have learned so far, what changes would you make and why?

Answers

Answer:

yes maybe

Explanation:

I have a project and everyone in the world will know about it.

Answer:

both

Explanation:

The zinc blende crystal structure is one that may be generated from close-packed planes of anions (a) Will the stacking sequence for this structure be FCC or HCP? Why? (b) Will cations fill tetrahedral or octahedral positions? Why? (c) What fraction of the positions will be occupied?

Answers

(a) The stacking sequence for the zinc blende crystal structure will be FCC (face-centered cubic). This is because the anions form close-packed planes in an FCC arrangement, and the cations occupy tetrahedral interstitial sites between these planes.

(b) The cations will fill tetrahedral positions. This is because each anion in the close-packed planes is surrounded by four cations that occupy the tetrahedral sites. The tetrahedral sites are located at the center of each tetrahedron formed by four anions, and each tetrahedron shares its four vertices with neighboring tetrahedra.(c) In the zinc blende crystal structure, each anion has four tetrahedral sites available for cation occupancy. Since each cation occupies one of these tetrahedral sites, the fraction of occupied positions will be equal to the number of cations divided by the total number of available tetrahedral sites. Therefore, the fraction of occupied positions will be 1/4 or 0.25.

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What unit of electricity is used as a signal for a computer?

Answers

Answer:

A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer. Modern personal computers universally use switched-mode power supplies

Answer:

Volt is the SI (Standard International) unit of electrical potential of the..

Explanation:

According to the video, which abilities and skills do Human Resources Managers need to have? Check all that apply.
math skills
in-depth knowledge of the company's product
sensitivity to other people's needs
speaking skills
writing skills

Answers

Answer:

C, D, E

Explanation:

just did it on edge 2020

Answer:

c

d

e

Explanation:

edgunity 2020

first person to awnser gets brainlyest!!​

Answers

Answer:

ok bet

4rfcdrry

.

7fyuum

.

Explanation:

httrr

.

Hotel Fire Safety Directors shall do all EXCEPT:

A. train and supervise Fire Brigade
B. conduct fire drills
C. order full building evacuation of guests
D. distribute applicable parts of the Fire Safety Plan to all employees

Answers

Hotel Fire Safety Directors are not authorized to order a full building evacuation of guests. Therefore, option (C) is correct.

Who are Hotel Fire Safety Directors?

Hotel Fire Safety Directors are individuals who are responsible for ensuring the safety of guests and employees in the event of a fire emergency in a hotel or other hospitality establishment.

They are typically appointed by the hotel management and must have knowledge of fire safety regulations and protocols, as well as the ability to lead and manage a team during an emergency.

Hotel Fire Safety Directors are responsible for implementing and maintaining the Fire Safety Plan, which includes conducting fire drills, training and supervising the Fire Brigade, and distributing applicable parts of the Fire Safety Plan to all employees. They must also work closely with the local fire department to ensure compliance with local fire safety regulations and protocols.

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Applications represent the most common avenue for users, customers, and attackers to access data, which means you must build the software to enforce the security policy and to ensure compliance with regulations, including the privacy and integrity of both data and system processes. Regardless of the development model, the application must validate all input. Certain attacks can take advantage of weak validation. One such attack provides script code that causes a trusted user who views the input script to send malicious commands to a web server. What is this called?Group of answer choicesDistributed denial of service (DDoS)Cross-site scripting (XSS)Cross-site request forgery (XSRF)Structured Query Language (SQL) injection

Answers

Malicious scripts are injected into otherwise trustworthy and innocent websites in Cross-Site Scripting (XSS) attacks.

XSS attacks take place when an attacker sends malicious code, typically in the form of a browser-side script, to a separate end user using an online application. These attacks can be successfully conducted everywhere a web application incorporates user input without verifying or encoding it into the output it produces. A malicious script can be sent to an unwary user by an attacker using XSS. The end user's browser will run the script regardless of the fact that it shouldn't be trusted. The malicious script is able to access any cookies, session tokens, or other sensitive data stored by the browser and used with that site since it believes the script is from a reliable source. These scripts have the ability to completely change HTML page content.

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Brainiest 4 Brainiest? (b4b)

Answers

huhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Answer:

?

Explanation:

what do you mean

ký hiệu của vật liệu cơ khí

Answers

Answer:

by hìuuf5ëcz

Explanation:

6tgiïuggd


You are about to perform PMCS on your M1114? What resource should you use for the procedures and instructions for performing PMCS?

Answers

The resources and instructions that should be used for the procedures of performing PMCS are:

Operator's manualsSafety cautions and warnings.Fording kitHeating and cooling systems.

What is PMCS?

PMCS is an acronym for preventive maintenance checks and services and it can be defined as the maintenance, checks, and services that are typically performed before, during, and after the use of any type of military equipment such as:

M1114M1151M1123

Basically, the resources and instructions that should be used for the procedures of performing PMCS are:

Operator's manualsSafety cautions and warnings.Fording kitHeating and cooling systems.

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A hydrological system consists of five horizontal formations with an equal thickness of 10 m each. The hydraulic conductivities of the formations are 20, 10, 15, 50, and 1 m/day, respectively. Calculate equivalent horizontal and vertical hydraulic s conductivities. If the flow in the uppermost layer is at an angle of 30 away from the normal direction relative to the boundary, calculate flow directions in all the formations.

Answers

Answer: Hello The required formula is attached below

answer:

A) KH =  19.2 m/day ,  Kv = 4.045 m/day

B) flow directions : ∝1 = 30°, ∝2 = 16.102°, ∝3 = 23.62, ∝4 = 55.55°,

∝5 = 1.66°

Explanation:

Given data :

Thickness of five horizontal formations ( K )  = 10 m each

Hydraulic conductivities of formations ( b )  =

b1= 20,  b2= 10,  b3= 15,  b4= 50 and b5  = 1        (m/day)

a)Determine the equivalent horizontal and vertical conductivities

kH ( equivalent  horizontal conductivity )

   = ∑ Kb / b  = ( K1b1 + K2b2 + k3b3 + k4b4 + k5 b5 ) / b1 + b2 +b3+b4+b5

input given values into the above equation

kH = 960 / 50  = 19.2 m/day

Kv ( equivalent vertical conductivity )

= ∑( b / (b/k) ) = ( b1 + b2 + b3 + b4 + b5 ) / ( b1/k1 + b2/k2 + b3/k3 + b4/k4 + b5/k5 )

input given values into equation above

Kv = 50 / 12.36 = 4.045 m/day

b) Determine the flow directions in all the formations

given that ∝1 = 30°  and Ki / kj = bi / bj

k1 /k2 = tan ∝1 / tan ∝2

20 / 10 = tan 30 / tan ∝2

∝2 = 16.102°

K2/k3 = tan 16.102 / tan ∝3

= 10 / 15 = tan 16.102 / tan ∝3

∝3 = 23.62

K3/k4 = tan ∝3 / tan ∝4

= 15 / 50 = tan 23.62 / tan ∝4

∝4 = 55.55°

k4 /k5 = tan ∝4 / tan∝5

= 50 / 1 = tan 55.55 / tan ∝5

∝5 = 1.66°

A hydrological system consists of five horizontal formations with an equal thickness of 10 m each. The

What might the effect of using salt on snowy and icy roads be on Montgomery County's Water Supply?" What might the effect of using salt on snowy and icy roads be on Montgomery County's Water Supply?"

Answers

The use of salt on snowy and icy roads could have a negative effect on Montgomery County's Water Supply. The salt used on the roads for melting ice can cause a number of issues for water supplies and ecosystems, and Montgomery County is no exception.

When salt is used to melt snow and ice on the road, it can dissolve into the water and run off into streams, rivers, and lakes. The salt lowers the freezing point of water and melts ice, but it also alters the chemical makeup of the water, making it more saline. It can also damage aquatic plants, animals, and fish that rely on freshwater systems.

Therefore, it is important to take steps to minimize the use of salt or to use alternatives, such as sand or beet juice, which are less harmful to the environment and water supplies.

You can learn more about Montgomery County at: brainly.com/question/29130712

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