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oksano4ka [1.4K]
2 years ago
11

One teacher wants to give each student 4/3 slices of pizza. If the teacher has 20 slices of pizza, then how many students will s

he be able to hand out pizza to
Mathematics
1 answer:
Nimfa-mama [501]2 years ago
3 0

Answer:

15 Students

Step-by-step explanation:

You would do 20 divided by 4/3 to make the amount of pizza. So, 20 times 3/4 is 60/4. You can simplify that to 15.

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If you have 440 red and blue buttons predict how many would be red.
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Answer:

maybe 220/440?  

Step-by-step explanation:

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2 years ago
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I want a way to solve this question​
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Estimate the area under the curve f(x) = x2 + 1 from x = 0 to x = 6 by using three circumscribed (over the curve) rectangles. An
BaLLatris [955]
1) split the range in three identical invervals of size [6 - 0] / 3 = 2

2) form three rectangles

2a) First rectangle: base 2, height f(2) = 2^2 + 1 = 5

     area 1 = base * height = 2 * 5 = 10

2b) second rectangle: base 2, height f(2+2) = 4^2 + 1 = 17

     area 2 = 2 * 17 = 34

2c) third rectangle: base 2 height f(4+2) = 6^2 + 1 = 37

     area 3 = 2*37 = 74

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3 0
2 years ago
The standard formula for the volume of a cone is V=πr2h3. If the cone is scaled proportionally by a factor of k, its volume beco
DaniilM [7]

The volume of a cone with base radius <em>r </em>and height <em>h</em> is

V = \frac 1 3 \pi r^2 h

What happens when we scale by <em>k </em>?

Let <em>V'</em> be the volume of a cone with radius <em>rk</em> and height <em>hk</em>

V' = \frac 1 3 \pi (rk)^2 (hk) = \frac 1 3 \pi r^2 k^2 h k = k^3 (\frac 1 3 \pi r^2 h) = k^3 V

8 0
3 years ago
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The ratio 2/8 could represent which of the following?
d1i1m1o1n [39]

Answer:

<u>C) 2parts that are one eight each.</u>

Step-by-step explanation:

The reason I chose <u>C)</u> as the correct answer is becasue I evaluated it with the steps below.

A) - 8 parts that are one fourth each.

  <u>This cannot be correct because it would surpase the 2/8ths (would be over).</u>

B) - 4 parts that are one-half each.

  <u>This cannot be correct because it would surpass the 2/8ths (would be over).</u>

C) - 2parts that are one eight each.

  <u>This can be correct because 2 parts have 1/8th. 1/8 + 1/8 = 2/8.</u>

D) - 2parts that are one fourth each.

  This cannot be correct because the denominator is not 8, it is 4 meaning it wouldn't fit into the format the question asked for (which was 2/8).

<u>This makes the correct answer C).</u>

<u></u>

  I hope this helps you understand and helps you in your question.

8 0
3 years ago
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