Ill give lots of points just help. its a quiZ. I WILL DELETE ALL NOT CORRECT OR IMPROPER ANSWERS! just help pleaseeeeeeeeeeeeeeeeee I lost a lot of points bc ppl wont answer or keep giving wrong answers so i barley have any sorry.
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QUESTION 1. How do these numbers compare?

Drag the correct comparison symbol to the box.
How do these numbers compare?

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2.094 2.702

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QUESTION 2. How do these numbers compare?

Drag the correct comparison symbol to the box.

10.09 10.9
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QUESTION 3. Which numbers make a true statement when placed in the box?

2.766
22.001 22.1
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QUESTION 5. How do these numbers compare?

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24.552 24.522
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QUESTION 6. How do these numbers compare?

Drag the correct comparison symbol to the box.

21.337 21.31
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Thank you for your help! Correct answers only.

Torsion refers to the twisting of a structural member due to the application of torque. Pure torsion occurs when a structural member is subjected to torsional loading only. It is analyzed using assumptions such as linear elasticity, circular cross-sections, and small deformations. The torsion equation relates the applied torque, the polar moment of inertia, and the twist angle of the member. However, this formula has limitations in cases of non-circular cross-sections, material non-linearity, and large deformations.

Torsion is the deformation that occurs in a structural member when torque is applied, causing it to twist. In pure torsion, the member experiences torsional loading without any other external forces or moments acting on it. This idealized scenario allows for simplified analysis and calculations. The assumptions made in pure torsion analysis include linear elasticity, which assumes the material behaves elastically, circular cross-sections, which simplifies the geometry, and small deformations, where the twist angle remains small enough for linear relationships to hold.

To analyze pure torsion, engineers use the torsion equation, also known as the Saint-Venant's torsion equation. This equation relates the applied torque (T), the polar moment of inertia (J), and the twist angle (θ) of the member. The torsion equation is given as T = G * J * (dθ/dr), where G is the shear modulus of elasticity, J is the polar moment of inertia of the cross-section, and (dθ/dr) represents the rate of twist along the length of the member.

However, the torsion equation has its limitations. It assumes circular cross-sections, which may not accurately represent the geometry of some structural members. Non-circular cross-sections require more complex calculations using numerical methods or specialized formulas. Additionally, the torsion equation assumes linear elasticity, disregarding material non-linearity, such as plastic deformation. It also assumes small deformations, neglecting cases where the twist angle becomes significant, requiring the consideration of non-linear relationships. Therefore, in practical applications involving non-circular cross-sections, material non-linearity, or large deformations, more advanced analysis techniques and formulas must be employed.

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Answer:

Death Valley California

C(t) = -0.30 (0)² + 40

C(t) = 40

C(t) = -0.30 (12)² + 40t – 12)2 + 40

65f

Answer:

4.

12: (12, 40)

c(12) = 40

F(12) = 9/5(40) + 32

F(12) = 72 + 32

F(12) = 104 °F

24: (24, -3.2)

c(24) = -3.2

F(24) = 9/5(-3.2) + 32

F(24) = -5.76 + 32

F(24) = -26.24 °F

5. not answered

6. attached below

7. not answered

Answer:

7

Step-by-step explanation:

If m was 1, then it would be

4 +8 = 36, which is not true.

If m was 7, then it would be

28 + 8 = 36, which is true.

If m was 11, then it would be

44 + 8 = 36, which is not true.

If m was 36, then it would be

144 + 8 = 36, which is not true.

Hope that helps!

Answer:

I think the answer is 25 feet

Step-by-step explanation:

5 / 7.25 = .6896551724

.6896551724 x 36.25 = 25

y = 1/2x + 0

but you can also type y = 1/2x or y = 0.5x

Answer:

y=1/2x+0

Step-by-step explanation:

Therefore, the next Saturday that Michelle will have both French and karate classes on the same day is the 15th Saturday of the year.

A pattern is a repeating sequence or design that occurs in a particular way. In mathematics, patterns can refer to sequences of numbers or geometric shapes that follow a specific rule or formula. Patterns can be observed in many areas of math, including algebra, geometry, number theory, and calculus. Identifying and analyzing patterns is an important skill in math and helps us to understand the underlying structure and relationships between numbers, shapes, and functions. Patterns can also help us to make predictions and solve problems more efficiently. In addition to math, patterns can be found in many other fields such as art, music, language, and nature. Recognizing and creating patterns can enhance creativity, critical thinking, and problem-solving skills.

Here,

We can solve this problem by finding the next time that both of Michelle's class schedules coincide.

Let's start by determining the pattern of Michelle's French and karate classes.

French class is every third Saturday, so Michelle attends French class on Saturdays that are evenly divisible by 3: 3, 6, 9, 12, 15, 18, 21, and so on.

Karate class is every other Saturday, so Michelle attends karate class on Saturdays that are every second Saturday, starting with the first Saturday: 1, 3, 5, 7, 9, 11, 13, 15, and so on.

To find the next Saturday that Michelle will have both classes on the same day, we need to find the next Saturday that satisfies both of these patterns.

Starting with the first Saturday, we can list the dates that satisfy each pattern:

French class: 3, 6, 9, 12, 15, 18, 21, ...

Karate class: 1, 3, 5, 7, 9, 11, 13, 15, ...

The first date that appears in both lists is 15. This means that Michelle will have both classes on the same day on the 15th Saturday of the year.

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Answer:

35

Step-by-step explanation:

Law of cosines

c^2=a^2+b^2-2ab(cos(A))

14^2=11^2+8^2-2(11)(8)Cos(A)

A=93.5833

Law of Sines

Sin(A)/a=Sin(B)/a

Sin(93.5833)/11=Sin(B)/8

B=34.7719

Answer:

ok good morning

have a nice day

Step-by-step explanation:

#toxicsquad

Answer:

i think its 7, but you should probably check that...

Answer: 4

Based on the given conditions, formulate

Multiply both the numerator and denominator with the same integer

Convert decimal to fraction

Simplify fraction(s)

Answer: 17

Step-by-step explanation:

Own just a fish: 4

Middle/overlap: 2

Own just a rabbit: 17

Own neither: 1

6-2=4

20-1-2=17

The approximate number of students with Scores between 68 and 83 is 98.Answer: a. 98

The five-number summary for scores on a statistics exam is: 35, 68, 77, 83 and 97. In all, 196 students took this exam About how many students had scores between 68 and 83?

The five-number summary consists of the minimum value, the first quartile, the median, the third quartile, and the maximum value.

The interquartile range is the difference between the third and first quartiles. Interquartile range (IQR) = Q3 – Q1, where Q3 is the third quartile and Q1 is the first quartile. The 5-number summary for scores on a statistics exam is given below:

Minimum value = 35

First quartile Q1 = 68

Median = 77

Third quartile Q3 = 83

Maximum value = 97

The interval 68–83 is the range between Q1 and Q3.

Thus, it is the interquartile range.

The interquartile range is calculated as follows:IQR = Q3 – Q1 = 83 – 68 = 15

The interquartile range of the scores between 68 and 83 is 15. Therefore, the number of students with scores between 68 and 83 is roughly half of the total number of students. 196/2 = 98.

Thus, the approximate number of students with scores between 68 and 83 is 98.Answer: a. 98

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Probability that X = 5:Since, Joe selects only 4 bags of lettuce. X can't be 5.P(X=5) = 0Hence, the probability that X = 0 is 0.3164 and the probability that X = 5 is 0.

The given problem can be solved using the concept of binomial distribution.

In the given question, there are 48 bags of lettuce out of which 12 bags are contaminated with listeria.

Joe selects 4 bags of lettuce. X is the random variable which represents the number of contaminated bags of lettuce selected by Joe. X can take values from 0 to 4. (as Joe selects only 4 bags).

Part A)Number of ways to select 4 bags of lettuce out of 48:This can be solved using the concept of combinations. The formula to calculate the number of combinations is\(:nCr = n! / r!(n-r)!\)Here, n = 48 and r = 4.

Number of ways = 48C4 = 194,580

Part B)Probability that X = 0:This can be calculated using the formula for the binomial distribution :

\(P(X = r) = nCr * p^r * q^(n-r)\)

Here, p = probability of selecting contaminated bag = 12/48 = 0.25q = probability of selecting non-contaminated bag = 1-0.25 = 0.75Also, n = 4 and r = \(0P(X=0) = 4C0 * 0.25^0 * 0.75^4= 0.3164\)

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The evaluated expression is 8.

evaluate the given expression. First, let's break down the expression:

(8¹)⁰ 1 8 ₀

In this expression, we have four parts:

1. (8¹)⁰: This represents 8 raised to the power of 1, which is 8. Then, we have 8 raised to the power of 0. Any nonzero number raised to the power of 0 equals 1.

2. 1: This number is already simplified.

3. 8: This number is also already simplified.

4. ₀: This subscript 0 is typically used to denote the initial value in a sequence or series. However, in this context, it seems irrelevant to the expression and can be ignored.

Combining the simplified parts, we have:

1 * 1 * 8 = 8

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Answer:

2xy+10z-5yz-4x

Step-by-step explanation:

Just put the positives and negatives together. You can't add or subtract any of them because they aren't like terms.

The slope-intercept form of the equation of the line through the given point and parallel to the given line is y=x−14.

In the given question we have to write the slope-intercept form of the equation of the line through the given point and parallel to the given line.

The given points are (–2, –16).

The given equation of line is y = x – 5.

Standard equation of line is y=mx+c.

After comparing to the standard equation.

Slope m(1) = 1

The line passes through (−2,−16), so the point will satisfy the equation y=mx+c. So

−16=−2*1+c

Simlifying

−16=−2+c

Add 2 on both side, we get

c = −16+2

c = −14

As we know that if line is parallel then

m(1)=m(2)

So the value of solpe m = 1

Now the equation of line

y=1*x+(−14)

y=x−14

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The right answer is:

How do you write the slope-intercept form of the equation of the line through the given point and parallel to the given line?

Point (−2,−16), y = x – 5

To derive the demand function from the given utility function and endowment, we need to determine the optimal allocation of goods that maximizes utility. The utility function is U(x, y) = -e^(-x) - e^(-y), and the initial endowment is (1, 0).

To derive the demand function, we need to find the optimal allocation of goods x and y that maximizes the given utility function while satisfying the endowment constraint. We can start by setting up the consumer's problem as a utility maximization subject to the budget constraint. In this case, since there is no price information provided, we assume the goods are not priced and the consumer can freely allocate them.

The consumer's problem can be stated as follows:

Maximize U(x, y) = -e^(-x) - e^(-y) subject to x + y = 1.

To solve this problem, we can use the Lagrangian method. We construct the Lagrangian function L(x, y, λ) = -e^(-x) - e^(-y) + λ(1 - x - y), where λ is the Lagrange multiplier.

Taking partial derivatives of L with respect to x, y, and λ, and setting them equal to zero, we can find the values of x, y, and λ that satisfy the optimality conditions. Solving the equations, we find that x = 1/2, y = 1/2, and λ = 1. These values represent the optimal allocation of goods that maximizes utility given the endowment.

Therefore, the demand function derived from the utility function and endowment is x = 1/2 and y = 1/2. This indicates that the consumer will allocate half of the endowment to each good, resulting in an equal distribution.

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-2.60 Newtons. Is the correct answer. Are u in k12? And If I'm correct please give me brainliest.

Answer:

FOR QUESTION - 2.473 . = -6.859

Positive

(I think)

Step-by-step explanation:

When you multiple negatives you will get a positive.

Answer:

2(x+31)+3x+1=83

2x+62+3x+1=83

5x=83-62-1

5x=20

x=20/5

x=4 3-points made.

4+31=35 3-points made.

Proof:

2*35+3*4+1=83

70+12=1=83

83=83 hope this helps

Answer:

Ava made 4 three point shots and 8 two point shots.

Using the equation for equilibrium output, Y = C + I, we can solve for the initial output level when I = 75:
Y = C + I

Y = 550(0.8Y) + 75
Y = 440Y + 75
Y = 75/(1-440)
Y = 132.35
So the initial equilibrium output is 132.35.
Now, if investment increases by 100, the new level of investment would be I = 75 + 100 = 175. Plugging this into the equation for equilibrium output, we get:
Y = C + I
Y = 550(0.8Y) + 175
Y = 440Y + 175
Y = 175/(1-440)
Y = 313.72
So the new equilibrium output is 313.72. The increase in equilibrium output is the difference between the new and initial equilibrium output levels:
ΔY = 313.72 - 132.35 = 181.37
Therefore, if investment increases by 100, the equilibrium output increases by a total of 181.37.
Based on the information provided, we have a simple economy with no government or foreign sector. The consumption function is given as C = 550 + 0.8Y, and the initial investment (I) is 75. If the investment increases by 100, we need to find the increase in equilibrium output.
In this economy, the equilibrium output (Y) is determined by the equation Y = C + I. After the investment increase, the new investment (I') is 175 (75 + 100). Now, we can find the new equilibrium output (Y') using the updated equation Y' = C + I':
Y' = 550 + 0.8Y' + 175
To solve for Y', we can rearrange the equation:
0.2Y' = 725
Y' = 3625
Now, to find the increase in equilibrium output, we subtract the initial output (Y) from the new output (Y'):
Increase in output = Y' - Y = 3625 - 3250 = 375
So, the equilibrium output increases by a total of 375 when the investment increases by 100.

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Derek needs to make contributions of approximately $21,038.34 per year from his 26th birthday to his 65th birthday in order to accumulate $2,742,310.00 in his retirement account by the time he fully retires.

To determine the amount Derek needs in his retirement account on his 65th birthday, we can use the concept of present value. Since he plans to withdraw $184,036.00 per year, starting from his 66th birthday until his 90th, the cash flows can be treated as an annuity. The interest rate is 5.00%, and the time period is 25 years (from 66 to 90). Using the formula for the present value of an annuity, we can calculate the required amount. The formula is:

PV = PMT * (1 - \((1 + r)^(-n)\)) / r

where PV is the present value, PMT is the annual withdrawal amount, r is the interest rate per period, and n is the number of periods.

Plugging in the values, we get:

PV = $184,036.00 * (1 - \((1 + 0.05)^(-25)\)) / 0.05 ≈ $2,744,607.73

Therefore, Derek needs approximately $2,744,607.73 in his retirement account on his 65th birthday to cover his desired annual withdrawals.

Moving on to the second part, Derek plans to make contributions to his retirement account from his 26th birthday to his 65th birthday. To reach his goal of having $2,742,310.00 in his retirement account after fully retiring, we can calculate the necessary contributions using the formula for the future value of an ordinary annuity:

FV = PMT * \(((1 + r)^n\) - 1) / r

Rearranging the formula, we can solve for the required contributions (PMT):

PMT = FV * (r / (\(((1 + r)^n\) - 1))

Plugging in the values, we get:

PMT = $2,742,310.00 * (\(\frac{0.05} {((1+0.05)^{39}-1 )}\))≈ $21,038.34

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The shortest distance between the given line and plane is 11 units. For the skydiver's differential equation, the constant k is found to be 0.025. The solution to the differential equation, with the initial condition v(0) = 0, is v(t) = 20√(3 - \(e^{-0.025t}\)) m/s. The graph of the solution shows the skydiver's speed increasing and eventually approaching the terminal velocity of 70 m/s.

(a) To find the distance between the line l and the plane P, we can use the formula for the shortest distance between a point and a plane. Let's take a point Q on the line l and find its coordinates in terms of t: Q(t) = (5 - 9t, 2 + 4t, 3 + t). The distance between Q(t) and the plane P is given by the formula:

d = |2(5 - 9t) + 3(2 + 4t) + 6(3 + t) - 33| / √(2² + 3² + 6²)

Simplifying this expression, we get d = 11 units as the shortest distance between the line and the plane.

(b)(i) The given differential equation is dv/dt = (600 - kv²) / 60. Since the skydiver reaches a terminal velocity of 70 m/s, we have dv/dt = 0 when v = 70. Plugging these values into the differential equation, we get 0 = 600 - k(70)². Solving for k, we find k = 0.025.

(ii) To solve the differential equation dv/dt = (600 - 0.025v²) / 60, we can separate variables and integrate both sides. Rearranging the equation, we have:

60 dv / (600 - 0.025v²) = dt

Integrating both sides gives us:

∫60 dv / (600 - 0.025v²) = ∫dt

Using a trigonometric substitution or partial fractions, the integral on the left side can be evaluated, resulting in:

-2arctan(0.05v/√3) = t + C

Simplifying further and applying the initial condition v(0) = 0, we find:

v(t) = 20√(3 - \(e^{-0.025t}\)) m/s.

(iii) The graph of the solution shows that initially, the skydiver's speed increases rapidly, but as time goes on, the rate of increase slows down. Eventually, the speed approaches the terminal velocity of 70 m/s, indicated by the horizontal asymptote in the graph. This behavior is expected as the air resistance force becomes equal in magnitude to the gravitational force, resulting in a constant net force and a terminal velocity.

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Answer:

A. 2x+6 .  B. 10x-20        C. 8x+4         D. 6x-24y

Step-by-step explanation:

there are n(n-1)(n-2)/2 simple paths of nonzero length in a tree with n vertices, where two simple paths are regarded as the same if they have the same edges.

In a tree with n vertices, there are (n-1) edges, since a tree is a connected acyclic graph.

To count the number of simple paths of nonzero length in the tree, we can consider each vertex as a starting point for a path and count the number of possible paths from that vertex.

Starting from any vertex, there are at most (n-1) paths that can be formed by moving to any of the neighboring vertices. From each of these neighboring vertices, there are at most (n-2) paths that can be formed by moving to a new neighboring vertex (excluding the vertex that was just visited).

This process can be continued until there are no more vertices to visit. However, to avoid counting the same path twice, we should only consider paths that do not backtrack on themselves.

Therefore, the total number of simple paths of nonzero length in the tree is the sum of all simple paths that start from each vertex:

(number of paths starting from vertex 1) + (number of paths starting from vertex 2) + ... + (number of paths starting from vertex n)

Using the reasoning above, we can see that the number of paths starting from each vertex is at most (n-1) * (n-2), since each path can visit at most (n-2) additional vertices after the starting vertex, and there are at most (n-1) vertices to choose from as the next vertex on the path.

Therefore, the total number of simple paths of nonzero length in the tree is at most n(n-1)(n-2).

However, we have counted each simple path twice (once in each direction), so the actual number of distinct simple paths of nonzero length is half of this maximum value, which is:

n(n-1)(n-2)/2

So, there are n(n-1)(n-2)/2 simple paths of nonzero length in a tree with n vertices, where two simple paths are regarded as the same if they have the same edges.

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One reason a sample may fail to represent the population of interest is sampling error.

The correct answer is an option (c)

We know that the sampling error is a statistical error that occurs when an analyst does not select a sample which represents the entire population of data.

So, the results found in the sample and the results obtained from the entire population would be different.

This error occurs when the sample used in the study is not representative of the entire population.

A sampling error is nothing but a deviation in the sampled value vs. the true population value.

Even randomized samples might have some degree of sampling error because in randomized samples, sample is only an approximation of the population from which it is drawn.

There are different categories of sampling errors.

- Population-Specific Error

- Selection Error

- Sample Frame Error

- Non-response Error

- Eliminating Sampling Errors

Therefore, One reason a sample may fail to represent the population of interest is sampling error.

The correct answer is an option (c)

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The rate at which the distance between the two cars is increasing two hours later is 52 mi/h.

To determine the rate of change of the distance between the cars, we can use the concept of relative velocity. Since one car is moving south and the other is moving west, their velocities are perpendicular to each other. Thus, we can use the Pythagorean theorem to find the distance between them at any given time.

After two hours, the southbound car would have traveled 48 mi/h * 2 h = 96 miles, and the westbound car would have traveled 20 mi/h * 2 h = 40 miles. Therefore, the distance between the cars is the hypotenuse of a right triangle with sides 96 miles and 40 miles.

Using the Pythagorean theorem, the distance between the cars is √(96^2 + 40^2) = √(9216 + 1600) = √10816 = 104 miles.

Since two hours have passed, the rate at which the distance is increasing is 104 miles / 2 hours = 52 mi/h. Therefore, the distance between the cars is increasing at a rate of 52 mi/h.

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Answer:

16

Step-by-step explanation:

3x-2x=8

x=8

QR=8*2=16