Simplify the expression. 35(12)(5)

Answers

Answer 1

Answer:

the answer is 2100

Step-by-step explanation:


Related Questions

The Federal Unemployment Tax Act (FUTA) specifies that an employer pay 6% unemployment tax on the first $7000 of earned income per employee. If the employer pays into a state unemployment insurance program, they will receive a 5.4% credit. The after-credit FUTA tax rate is therefore 0.6%. If a business has 50 employees, who each earn more than $7000 per year in wages, what is the business's yearly FUTA tax payment? FUTA tax payment = $ [?] Round to the nearest hundredth.​

Answers

If a business has 50 employees, who each earn more than $7000 per year in wages, the business's yearly FUTA tax payment, without considering the FUTA credit is $21,000.

If we consider the FUTA credit on the assumption that the business pays into a state unemployment insurance program, the FUTA payment is $2,100.

What is the FUTA?

FUTA means the Federal Unemployment Tax Act, which levies 6% on the first $7,000 earned by employees on the employer.

However, employers who pay into their State Unemployment Tax Act (SUTA) are eligible for a FUTA credit of 5.4%, making the effective rate to be 0.6%.

Federal Unemployment Tax Act (FUTA) rate = 6%

FUTA tax credit = 5.4%

Effective FUTA rate after paying SUTA = 0.6%

The number of employees in the business = 50

The FUTA Wage Base = $7,000

The total FUTa wage base = $350,000 ($7,000 x 50)

FUTA tax payment without the credit = $21,000 ($350,000 x 6%)

FUTA tax payment with the FUTA credit = $2,100 ($350,000 x 0.6%)

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a)
b)
1. Convert the following Mayan numbers to
decimal (base 10).
: :|| :||

Answers

The given Mayan number which is : :|| :|| in decimal (base 10) is 42.

The Mayan number system is a base-20 system that uses three symbols: a dot (.), a horizontal bar (|), and a shell-like symbol (:). The symbol for zero is a shell-like symbol (:).

To convert the given Mayan number to decimal (base 10), we need to understand the positional value of each symbol. Each position in the number represents a power of 20, with the rightmost position being 20⁰, the next position to the left being 20¹, and so on.

The Mayan number given, : :|| :||, can be broken down as follows:

The leftmost position has no symbol, which represents a value of 0.

The second position from the left has two shell-like symbols (:), which represents a value of 2x20¹ = 40.

The third position from the left has two horizontal bars (||), which represents a value of 2x20⁰ = 2.

The given Mayan number in decimal (base 10) is 40 + 2 = 42.

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Complete question is:

Convert the following Mayan number to decimal (base 10).

: :|| :||

ent clock.
5. My hour hand is between the 5 and the 6.
My minute hand is pointing to the 4.
What time do I show?

Answers

Answer:

5:20

Step-by-step explanation:

When working with the min hand

Starting from 12, each number of a clock adds an additional 5 mins until you reach the 12, where it starts at 0 again. So

1 = :05

2= :10

3 =:15

4 = :20

...and so on

When its 5:00, the hour hand is on the 5. As it moves towards 6:00, the hour hand will start to gradually get pulled towards the 6 until it becomes 6:00, where it will finally reach the 6.

A kids pool had a small opening through which water sometimes leaked out. Water was poured into the pool from time to time. The graph shows the amount of water in the pool (y), in gallons, at certain times (x), in hours.

Which of the following statements best describes the amount of water in the pool ?

1) it is increasing during the time interval 4
2) it is increasing during the time interval 10
3) it is decreasing during the time interval 4
4) it is decreasing during the time interval 10

A kids pool had a small opening through which water sometimes leaked out. Water was poured into the pool

Answers

The best statement that describes the amount of water in the pool is that it is decreasing during the time interval 4. That is option 3.

How to determine the the interval of the water in the pool?

To determine the time interval of the water in the pool the following is carried out.

At 0 hour, the water is at the level of = 40 gallons

At 1 hour, the water decreased to = 25 gallons.

At 2 hours, the water decreased to = 10 gallons.

The water remained at a constant level till 4 hours.

Therefore, the amount of water in the pool is that it is decreasing during the time interval 4.

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The volume of soda a dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean of 12.30 ounces and a standard deviation of 0.20 ounce. The company receives complaints from consumers who actually measure the amount of soda in the cans and claim that the volume is less than the advertised 12 ounces. What percentage of the soda cans contain more than the advertised 12 ounces of soda

Answers

Answer:

The correct answer is "0.9332".

Step-by-step explanation:

Given that:

\(\mu=12.30\)

\(\sigma=0.20\)

So,

= \(P(X>12)\)

= \(1-P(X<12)\)

= \(1-P(\frac{X-\mu}{\sigma} < \frac{12-12.30}{0.20} )\)

= \(1-P(Z<-\frac{0.3}{0.20} )\)

= \(1-P(Z<-1.5)\)

= \(1-0.0668\)

= \(0.9332\)

Solve using substitution.

y = –6
–8x − 7y = –6

Answers

Okay so you put -6 in where y is then solve and youll get your answer

-8x-7(-6)=-6

ities in the production and processing sectors in South Africa Farm workers wages are required by South African labour law. Farm workers generally work ning hours a day, five days a week TABLE to the main wages for farm workers for the period 1 March 2009 to 1 March 2011 TABLE 1: Wage rates for farm workers from 2009 to 2011 YEAR HOURLY WEEKLY MONTHLY 2009 R6,31 A RI 230.45 2010 R.6,74 R303.30 2011 R7,04 R316,80 RI 372,80 11 Calculate the missing value A 1.2 Calculate the missing value B by using the formula Monthly rate (in rand) = Weekly rate (in rand) *13 3 Calculate the percentage increase in the weekly rate from 2010 to 2011 1.3 Use the formula: Percentage increase = Difference in weekly X 100% Initial weekly rate

Answers

The answer to this question is math

See whether you're understanding the subject and skills.

Answers

If you have any specific questions or need assistance, feel free to ask, and I'll do my best to provide a helpful response within the scope of my training

As an AI language model my understanding of subjects and skills is based on the information and data available to me up until my last training update in September 2021. I can provide accurate and comprehensive responses within the limits of my training, but please keep in mind that I may not have knowledge of events or developments that have occurred after that cutoff date.

With a wide range of general knowledge, I can understand and generate responses on various topics such as science, history, literature, mathematics, and more. I can also assist with specific skills like writing, editing, brainstorming ideas, offering explanations, and providing recommendations.

However, it's important to note that while I strive to be helpful, I am still an AI and may not always provide perfect answers. I do not possess personal experiences or opinions, and I am not able to perform physical actions. My responses are generated based on patterns and examples from my training data.

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.

Select the correct answer.
1
Which number is the additive inverse of –10 1/4
O A.
0
Ang
OB.
10 1/4
oc. 4/41
OD. -4 1/10
Reset

Answers

Answer:

The additive inverse of the number -10 1/4 is +41/4

The additive inverse of any number is such a number added to the given number to get zero.

Let the additive inverse of the given number be "x", hence:

-10 1/4 + x = 0

x = 0 - (-10 1/4)

x = 10 1/4

x = 41/4

Hence the additive inverse of the number -10 1/4 is +41/4

need help pleaseee !!!

need help pleaseee !!!

Answers

(-1,2.5), (0,5), (1,10), (2,20)

A 12 1/2 mile stretch of road needs repaving . A company bids on the repaving project saying they could replace 2 1/4 miles of road per week. How many weeks will the company take to completely replace the stretch of road?

Answers

2 1/4 miles => 1 week

1 mile => 1 ÷ 9/4

( 9/4 is an improper fraction of 2 1/4 )

12 1/2 miles => ( 1 ÷ 9/4 ) × 25/2

= 50/9

= 5 5/9 weeks

( 25/2 is an improper fraction of 12 1/2 )

Therefore, it will take 5 5/9 weeks for the company to replace the stretch of road.

( you can round it off to 6 weeks if the qn specify to give to the nearest whole number )

10 Per Question :), Algebra 2

10 Per Question :), Algebra 2
10 Per Question :), Algebra 2
10 Per Question :), Algebra 2
10 Per Question :), Algebra 2
10 Per Question :), Algebra 2

Answers

The value of the expression is 16x(x+1) / 10x² -14x -12

What is algebraic expression?

In mathematics, an algebraic expression is an expression built up from constant algebraic numbers, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number)

The given expression is

16/(x-2)  ÷ 4/(x+1) + 6/x

Simplify this to have

16 / (x-2) ÷ (10x + 6) / (x+1)(x)

this implies that 16/(x-2) * (x+1)(x)/(10x +6)

16(x² + x)/(x-2)(10x+6)

Therefore the value of the expression is

16x(x+1) / 10x² -14x -12

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The spinner below shows 5 equally sized slices. Mal spun the dial 1000 times and got the following results.
Outcome White Grey Black
Number of Spins 389 406 205
Fill in the table below. Round your answers to the nearest thousandth.

Answers

The experimental probability that the next spin falls in a black region is given as follows:

0.205 = 20.5%.

How to calculate a probability?

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.

205 out of the previous 1000 trials fell in the black region, hence the experimental probability is given as follows:

p = 205/1000

p = 0.205.

p = 20.5%.

Missing Information

The problem asks for the experimental probability that the next spin falls in a black region.

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In a recent survey of 36 people, 18 said that their favorite color of car was blue.
What percent of the people surveyed liked blue cars? Explain your answer with every step you took to get to it.

Answers

Answer: The percentage of people surveyed who liked blue cars is 50%.

Step-by-step explanation:

Total number of people partaking in survey= 36

number of people who like blue cars= 18

therefore, fraction of people who liked blue cars= \(\frac{18}{36}\)

hence, percentage of people who liked blue cars= (18/36)*100 %

                                                                                  = 50%  

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Answer:

Percentage of people who like blue-coloured cars is 50%

Number of people who were surveyed=36

Number of people who like blue-colored cars=18

Therefore, Percentage of people who like blue cars= (Number of people who like blue cars/ Number of people who were surveyed)*100

=(18/36)*100

=50%

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Need answer ASAP ROCKY!!
The triangle with vertices at L (-2,5), E ( 1,4), and D(2,-2) is 4 units left, 3 units up, and then reflected over the line y=4 to form the image L'E'D. Which vertex of the image is the greatest distance from the origin?

Answers

Answer:

L'(6,8)

Step-by-step explanation:

If i had to take a guess what i would is subtract 4 from each x number and add 3 to each y number and then reflect over the line y=4 so then that would give me each distance. And by the looks it seems L'(6,8) is the farthest from he origin (0,0)

Applying Cardano's formulas, calculate the zeros of the cubics:

\( {x}^{3} \: + \: 21x \: + \: 342\) ;
\( {y}^{3} \: + \: 6y \: + \: 2\) ;
\( {y}^{3} \: + \: 3y \: + \: 2\)

Thanks in advance! ^^
Gracias de antemano! ^^

Answers

The zeros of the cubic equation x³ + 21x + 342 are approximately 0.5957, -11.5378, and 11.9421.

The zeros of the cubic equation y³ + 6y + 2 are approximately -0.7937, 1.1968, and -0.4031.
The zeros of the cubic equation y³ + 3y + 2 are approximately -0.7937, 1.1968, and -0.4031.

We have,

1.

x³ + 21x + 342:

p = 0

q = 342

Δ = -(4(0)³ + 27(342)²) = -370728

u = ∛((-342/2) + √(-370728/108)) = ∛((-171) + √(-3421)) ≈ 6.6286

v = ∛((-342/2) - √(-370728/108)) = ∛((-171) - sqrt(-3421)) ≈ -6.0329

x₁ = 6.6286 + (-6.0329) ≈ 0.5957

x₂ = -(6.6286 + (-6.0329))/2 + (6.6286 - (-6.0329)) x √(3)/2 ≈ -11.5378

x₃ = -(6.6286 + (-6.0329))/2 - (6.6286 - (-6.0329)) x √(3)/2 ≈ 11.9421

2.

y³ + 6y + 2:

p = 0

q = 2

Δ = -(4(0)³ + 27(2)²) = -216

u = ∛((-2/2) + √(-216/108)) = ∛((-1) + √(-2)) ≈ 0.7937

v = ∛((-2/2) - √(-216/108)) = ∛((-1) - √(-2)) ≈ -1.5874

y₁ = 0.7937 + (-1.5874) ≈ -0.7937

y₂ = -(0.7937 + (-1.5874))/2 + (0.7937 - (-1.5874)) x √(3)/2 ≈ 1.1968

y₃ = -(0.7937 + (-1.5874))/2 - (0.7937 - (-1.5874)) x √(3)/2 ≈ -0.4031

3.

y³ + 3y + 2:

p = 0

q = 2

Δ = -(4(0)³ + 27(2)²) = -216

u = ∛((-2/2) + √(-216/108)) = ∛((-1) + √(-2)) ≈ 0.7937

v = ∛((-2/2) - √(-216/108)) = ∛((-1) - √(-2)) ≈ -1.5874

y₁ = 0.7937 + (-1.5874) ≈ -0.7937

y₂ = -(0.7937 + (-1.5874))/2 + (0.7937 - (-1.5874)) x √(3)/2 ≈ 1.1968

y₃ = -(0.7937 + (-1.5874))/2 - (0.7937 - (-1.5874)) x √(3)/2 ≈ -0.4031

Therefore,

The zeros of the cubic equation x³ + 21x + 342 are approximately 0.5957, -11.5378, and 11.9421.

The zeros of the cubic equation y³ + 6y + 2 are approximately -0.7937, 1.1968, and -0.4031.
The zeros of the cubic equation y³ + 3y + 2 are approximately -0.7937, 1.1968, and -0.4031.

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Which function has the same range as f (x) = negative 2 StartRoot x minus 3 EndRoot + 8?

Answers

g(x) = -2√x + 8 is the function that has the same range as f(x) = -2√(x - 3) + 8. Both functions have the range of y ≤ 8

The function that has the same range as f(x) = -2√(x - 3) + 8 is g(x) = -2√x + 8. Both functions have the range of y ≤ 8.There are a few steps involved in determining which function has the same range as f(x) = -2√(x - 3) + 8. The range of a function refers to all the possible output values that the function can produce.Let's begin by examining the original function:f(x) = -2√(x - 3) + 8The square root symbol (√) implies that x-3 must be greater than or equal to 0. If x-3 is negative, then the function would produce an imaginary result.

Let's solve for x when f(x) = 0:0 = -2√(x - 3) + 8-8 = -2√(x - 3)4 = √(x - 3)16 = x - 3x = 19This tells us that the x-value that produces an output of 0 is x = 19. To determine the range, we need to find the maximum and minimum output values. We can use a graphing calculator or sketch a graph to determine the shape of the function and the range.The shape of the function suggests that the range is y ≤ 8, which means that the maximum value of the function is 8. This tells us that any function with the same maximum output value of 8 will have the same range as f(x).

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17. Geometry The figure shown is a rectangle. The green shape in the figure is a square. The blue anc white shapes are rectangles, and the area of the blue rectangle is 24 square inches.
a. Write an expression for the area of the entire figure that includes an exponent. Then find the area.
b. Find the dimensions of the entire figure.

17. Geometry The figure shown is a rectangle. The green shape in the figure is a square. The blue anc

Answers

The expression for the area that includes an exponent is 6² + (6 × 2) + 24

Area of the entire figure is 72 square inches

The dimension of the entire figure is 9 inches by 8 inches

Calculating the area of a figure

From the question, we are to write an expression for the area of the entire figure

Area of the entire figure = Area of green shape + Area of white shape + Area of blue shape

Area of the entire figure = 6² + (6 × 2) + 24 square inches

The expression is 6² + (6 × 2) + 24

Thus,

Evaluating

Area of the entire figure = 6² + (6 × 2) + 24

Area of the entire figure = 36 + 12 + 24

Area of the entire figure = 72 square inches

b. The dimension of the entire figure

Width of the entire figure = Length of the green square + Width of the white rectangle

Width of the entire figure = 6 inches + 2 inches

Width of the entire figure = 8 inches

Then,

Length of the entire figure = Length of the white rectangle + Width of the blue rectangle

First, we will determine the width of the blue rectangle

Using the formula,

Area = l  × w

Where l is the length

and w is the width

24 = (2 + 6) × w

24 = 8 × w

w = 24/8

w = 3 inches

Therefore,

Length of the entire figure = 6 inches + 3 inches

Length of the entire figure = 9 inches

Hence, the dimension is 9 inches by 8 inches

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Which of the following exponential regression equations best fits the data shown below?
(-4,0.05), (-3, 0.20), (-2, 0.75)

Answers

The exponential regression equation is y = 11.37 * 3.87ˣ

How to determine the exponential regression equation

From the question, we have the following parameters that can be used in our computation:

(-4,0.05), (-3, 0.20), (-2, 0.75)

To calculate the exponential regression equation that best fits the data shown, we use a graphing tool

An exponential function is represented as

y = abˣ

From the graphing tool, we have

a = 11.37

b = 3.87

substitute the known values in the above equation, so, we have the following representation

y = 11.37 * 3.87ˣ

Hence, the exponential regression equation is y = 11.37 * 3.87ˣ

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Consider the polynomial function h(x)=3x^7+x^4+5x^3-80h(x)=3x 7 +x 4 +5x 3 −80h, left parenthesis, x, right parenthesis, equals, 3, x, start superscript, 7, end superscript, plus, x, start superscript, 4, end superscript, plus, 5, x, cubed, minus, 80. What is the end behavior of the graph of h\h h, space? Choose 1 answer: Choose 1 answer:

Answers

Answer: It would be

As x -> positive infinity, h(x)-> positive infinity, and as x->negative infinity, h(x)-> negative infinity.

Answer:

D

Step-by-step explanation:

Select the correct answer. Rewrite the following expression.​

Select the correct answer. Rewrite the following expression.

Answers

The solution of the expression, \(x^{\frac{9}{7} }\) is \(\sqrt[7]{x^{9} }\).

How to solve an expression?

An expression is a combination of numbers, variables, functions such as addition, subtraction, multiplication or division etc.

Therefore, let's rewrite the expression to it's equivalent expression.

An equivalent expression is an expression that has the same value or worth as another expression, but does not look the same.

Therefore, using indices rule

\(x^{\frac{9}{7} }\) = \(\sqrt[7]{x^{9} }\)

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A 2 meter television camera at ground level is filming the lift-off of a space shuttle at a point 750 meters from the launch pad. The camera’s angle of elevation to the shuttle is 32° at this specific time . Find the height of the shuttle.

Answers

To find the height of the shuttle, we can use trigonometry and the concept of similar triangles. The height of the shuttle is approximately 468.675 meters.

Let's assume that the height of the shuttle is represented by 'h' meters. From the information given, we know that the distance between the camera and the launch pad is 750 meters, and the angle of elevation from the camera to the shuttle is 32 degrees.

Using trigonometry, we can set up the following equation:

tan(32°) = h / 750

To find the value of h, we can rearrange the equation:

h = tan(32°) * 750

Using a calculator, we can find the value of tan(32°) ≈ 0.6249.

Now we can calculate the height of the shuttle:

h ≈ 0.6249 * 750

h ≈ 468.675 meters

Therefore, the height of the shuttle is approximately 468.675 meters.

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Which expression is equivalent to 2(8n)^4

Which expression is equivalent to 2(8n)^4

Answers

Answer:

2. 8n. 8n. 8n. 8n

Step-by-step explanation:

\(2 {(8n)}^{4} = 2. 8n. 8n. 8n. 8n\)

Equivalent expressions are expressions with equal value.

The equivalent expression of \(\mathbf{2\cdot(8n)^4}\) is \(\mathbf{2\cdot(8n)\cdot(8n)\cdot(8n)\cdot(8n)}\)

The expression is given as:

\(\mathbf{2\cdot(8n)^4}\)

Apply law of indices

\(\mathbf{2\cdot(8n)^4 = 2\cdot(8n)\cdot(8n)\cdot(8n)\cdot(8n)}\)

The above equation means that:

\(\mathbf{2\cdot(8n)\cdot(8n)\cdot(8n)\cdot(8n)}\) is equivalent to \(\mathbf{2\cdot(8n)^4}\)

Hence, the correct option is (d) \(\mathbf{2\cdot(8n)\cdot(8n)\cdot(8n)\cdot(8n)}\)

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Find y if the distance between
points P and R is 25 and point R
is located in the first quadrant.
p= (3,-18) r=(10,y)

Find y if the distance betweenpoints P and R is 25 and point Ris located in the first quadrant.p= (3,-18)

Answers

Answer:

y = 6

Step-by-step explanation:

\(\sqrt{(10-3)^2 + (y+18)^2} = 25 \\ 49 + y^2 + 324 + 36y = 625 \\\)

y^2 + 36y - 252 = 0

(y-6)(y+42) = 0

y = 6 (accettable)

y = -42 (not accettable)

What is 2/5 + 3/4=? Simplified Adding and Subtracting Fractions.

Answers

Answer: 1.15

Step-by-step explanation:

23/20 = 1 3/20 = 1.15

Isabel wants to start saving more money so that she can purchase new clothes for college. She has $200 and will add $5 to her savings every day.

Which equation models Isabel's savings, where n represents each day?

Answers

Answer:

y = 5n + 200

Step-by-step explanation:

y = mx + b

$5 will be added every day, so 5 is the m and n is the x.

$200 is an extra cost that doesn't repeat, so it's the b.

Please help. The question is in the attached image

Please help. The question is in the attached image

Answers

∠G+∠H+∠J=180 and ∠K+∠L+∠M=180 from the angle sum property of triangle, ∠H=∠L (3rd Angle Theorem) and ∆GHJ≅∆KLM from ASA congruency theorem.

In the given question we have to prove ∆GHJ congrurnce ∆KLM.

Given that: ∠G≅∠K, ∠J≅∠M, \(\over{HJ}\) ≅ \(\over{LM}\).

As given that;

∠G≅∠K

∠J≅∠M

\(\over{HJ}\) ≅ \(\over{LM}\)

So from the angle sum property of triangle

∠G+∠H+∠J=180................(1)

∠K+∠L+∠M=180.................(2)

Now equation equation 1 and 2

∠G+∠H+∠J=∠K+∠L+∠M

As we know that ∠G=∠K, ∠J=∠M

So now the expression is

∠G+∠H+∠J=∠G+∠L+∠J

After solving ∠H=∠L (3rd Angle Theorem)

Since, ∠H=∠L, HJ=LM and ∠G=∠K, so from the theorem Angle Side Angle(ASA) congruency,

∆GHJ≅∆KLM

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4/7
of a square is painted green.5/6 of the remainder is painted red. If the green
part is 36 cm² more than the red. find the area of the square.

Answers

Answer:

168

Step-by-step explanation:

Let the area of the square be \(x\).

\(\frac{4}{7}x-\frac{5}{6}\left(\frac{3}{7}x \right)=36 \\ \\ \frac{4}{7}x-\frac{5}{14}x=36 \\ \\ \frac{8}{14}x-\frac{5}{14}x=36 \\ \\ \frac{3}{14}x=36 \\ \\ \frac{1}{14}x=12 \\ \\ x=168\)

Which lists the fractions and in order from least to greatest?
9/5,13/8,1 3/4

Which lists the fractions and in order from least to greatest?9/5,13/8,1 3/4

Answers

Answer:

A

Step-by-step explanation:

13/8, 1 3/4, 9/5

Answer: Hi! Your Answer Is A: 13/8, 1 3/4, 9/5! Please Mark The Person Above Me Brainliest Don't Forget Thank You! :D

Step-by-step explanation: Hi! Your answer is A but please Mark The Person Above Me  Brainliest ! :D

A stone is dropped from the upper observation deck of a tower, 950 m above the ground. (Assume g = 9.8 m/s2.)
(a) Find the distance (in meters) of the stone above ground level at time t.
(b) How long does it take the stone to reach the ground? (Round your answer to two decimal places.)
(c) With what velocity does it strike the ground? (Round your answer to one decimal place.)
(d) If the stone is thrown downward with a speed of 8 m/s, how long does it take to reach the ground? (Round your answer to two decimal places.)

Answers

a) The distance of the stone above ground level at time t :

d(t)= -4.9t² + 950

b) It takes 13.92 seconds the stone to reach the ground

c)  With 136.42 m/s velocity the stone strikes the ground.

d) If the stone is thrown downward with a speed of 8 m/s, it will take 13.13 seconds to reach the ground

Here, a  stone is dropped from the upper observation deck of a tower, 950 m above the ground.

(a)  the distance of the stone above ground level at time t would be,

d(t)  = 0.5 (-9.8) t² + v(0) t + d(0)

      = (-4.9)t² + 0t + 950

      = -4.9t² + 950

(b) Now we find the time the stone takes to reach the ground.

i.e., the value of 't' when d = 0

Substituting d(t) = 0 in the above equation.

-4.9t² + 950 = 0

t² = (-950) / (-4.9)

t² = 193.88

t = 13.92 seconds

(c) We need to find the velocity the stone takes to strike the ground

i.e., the velocity when t  = 13.92 seconds

v(t) = v(0) + gt      

v(13.92) = 0 + (9.8)(13.92)

v = 136.42 m/s

(d) here, v(0) = -8 m/s  

Velocity is negative because stone is being thrown downward.

d(t) = 0

(-4.9)t² + v(0) t + d(0) = 0

(-4.9)t² -8t + 950 = 0

Using the quadratic formula we solve above equation for,

t = -14.76, 13.13

We can disregard the negative solution

So, we get t = 13.13 seconds.

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