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Andre45 [30]
3 years ago
15

What is the volume of this sphere?

Mathematics
1 answer:
PIT_PIT [208]3 years ago
7 0
12 cubic feet!! this may be it
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??? Anyone know how to answer this question
True [87]
Answer: 35 additional teachers are needed

-------------------------------------------------
-------------------------------------------------

Explanation:

We have 2470 students and the ratio of students to teachers is 26:1. This means that for every teacher, there are 26 students. Put another way, we can set up this ratio

2470/x = 26/1

where x is the number of teachers. Cross multiply and solve for x

2470/x = 26/1
2470*1 = 26*x
2470 = 26x
26x = 2470
26x/26 = 2470/26
x = 95

So we have 95 teachers currently

-------------

Let y be the new number of teachers needed to bring the ratio down to 19:1

Using a similar idea as done above, we would have this ratio

2470/y = 19/1

Let's solve for y
2470/y = 19/1
2470*1 = 19*y
2470 = 19y
19y = 2470
19y/19 = 2470/19
y = 130

So we'll need 130 teachers to have the ratio be 19:1

The difference of the values is y - x = 130 - 95 = 35, which is the final answer. This is the additional amount of teachers needed.
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3 years ago
What color will the paper appear? <br> Explain why?
Ray Of Light [21]
White cause isrs normal
4 0
3 years ago
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What is the Square root of -3
zavuch27 [327]
The square root of -3 is 1.73205081
3 0
3 years ago
Use the right triangle shown to answer the question.
Burka [1]

Answer:45

Step-by-step explanation:

8 0
2 years ago
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Solve a triangle when A=15° B=113° and b=7?
JulsSmile [24]

Let us draw a triangle ABC with A=15° ,B=113° and b=7.

Please see the attached image.

We know that the sum of interior angles of a triangle is 180 degrees. Thus, we have

A+B+C=180\\&#10;\\&#10;15+113+C= 180\\&#10;\\&#10;C=62^{\circ}

Apply Sine rule in the triangle ABC, we get

\frac{a}{\sin 15}= \frac{7}{\sin 113}\\&#10;\\&#10;a=\frac{7 \sin 15}{\sin 113}\\&#10;\\&#10;a=1.97\\&#10;\\&#10;\text{Again apply sine rule, we get}\\&#10;\\&#10;\frac{c}{\sin 62}= \frac{7}{\sin 113}\\&#10;\\&#10;c=\frac{7 \sin 62}{\sin 113}\\&#10;\\&#10;c=6.71

Therefore, we have

a=1.97\\&#10;c=6.71\\&#10;C=62^{\circ}


4 0
3 years ago
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