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Eva8 [605]
2 years ago
14

Please answer ASAP!!! :) .-. .-. .-. .-. .-. .-.

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
5 0

Answer:

I highly recommend that it must be the second story

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A wheel has a diameter of 16 inches. How far will the wheel travel after 5 rotations? Use 3.14 to approximate pi. Round your ans
ludmilkaskok [199]

Answer:

251.2 inches

Step-by-step explanation:

C=2πr

C=2x3.14x8

C=50.24

50.24x5=251.2

7 0
3 years ago
Read 2 more answers
Write an equation for the line that passes through the given point and is parallel to the graph of the given equation.
vova2212 [387]

Answer:

\displaystyle 2x - 3y = 6\:OR\:y = \frac{2}{3}x - 2 \\ \\ 3x - 2y = 40\:OR\:y = \frac{3}{2}x - 20

Step-by-step explanation:

2 = ⅔[6] + b

4

\displaystyle -2 = b \\ \\ y = \frac{2}{3}x - 2

If you want it in <em>Standard Form</em>:

y = ⅔x - 2

- ⅔x - ⅔x

_________

−⅔x + y = −2 [We do not want fractions in our standard equation, so multiply by the denominator to get rid it.]

−3[−⅔x + y = −2]

\displaystyle 2x - 3y = 6

_______________________________________________

−5 = 3⁄2[10] + b

15

\displaystyle -20 = b \\ \\ y = \frac{3}{2}x - 20

If you want it in <em>Standard</em><em> </em><em>Form</em>:

y = 3⁄2x - 20

- 3⁄2x - 3⁄2x

__________

−3⁄2x + y = −20 [We do not want fractions in our standard equation, so multiply by the denominator to get rid of it.]

−2[−3⁄2x + y = −20]

\displaystyle 3x - 2y = 40

* Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so ⅔ and 3⁄2 remain the way they are.

I am joyous to assist you anytime.

3 0
3 years ago
Which choice is equivalent to the expression below? √-216
myrzilka [38]
The answer is b.6i/6
8 0
3 years ago
HELP ASAP!!!!!!! PLEASEEEEE
iren [92.7K]

Answer:

B

Step-by-step explanation:

This asks for data from multiple people, and it not just a yes or no question

7 0
3 years ago
Read 2 more answers
It is assumed that the test results for a class follow a normal distribution with a mean of 78 and a standard deviation of 36. I
HACTEHA [7]

Answer:

0.7143

- You know the minimum possible grade of the student

- You want to find out the probability that that grade which is greater than 72 is also greater than 84

- Expect the answer to be 0.7143

- The explanation/steps is given below

- The answer seems (and is) reasonable. You only created a new lower limit.

Step-by-step explanation:

Distribution Type: Normal

Mean: 78

Standard deviation: 36

Range of marks: [78 - 36], [78 + 36]  = [42 to 114]

If you know that a student's grade is greater than 72, what is the probability that it's greater than 84?

In this case, the full probability level is between 72 and the upper limit of 114 (instead of between 42 and 114). First, find the fraction of this probability.

[114 - 72] ÷ [114 - 42]  = 42/72  = 0.5833

So, the probability of a student's mark falling between 72 and 114 is 0.5833.

Now making this a whole interval, 114 - 72 = 42

What fraction of this interval of 42 will bear marks between 84 and 114?

[114 - 84]  = 30

30/42  = 0.7143

Because of the first part of the question "If you know (are sure) that a student's grade is greater than 72...", your answer stops at 0.7143, since 72 was used as the lower limit.

8 0
2 years ago
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