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topjm [15]
3 years ago
14

Evaluate 9÷3[(20-7)-2^2]

Mathematics
1 answer:
german3 years ago
3 0

Answer:

43

Step-by-step explanation:

You will have to use the PEMDAS rule here. so Parntheses goes first, then exponents, then mutiplicaton or division, and finally addition or subtraction.

20-7= 13

-2^2 = (-2 * -2) = 4

9/3 = 3

so... 13*3 = 39+4 =43

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kirza4 [7]

Answer:

see below

Step-by-step explanation:

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7 0
3 years ago
In words, what is this shape and how do you know?<br><br> (the shape is a rectangle)
Sonbull [250]

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Step-by-step explanation:

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3 years ago
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A circle is cut into congruent sections and arranged to form a figure that approximates a parallelogram. Find the approximate he
Solnce55 [7]

Answer:

<h2>The height is 3.43 centimeters, approximately.</h2>

Step-by-step explanation:

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Now, the area of the whole circle is 12.25 \pi \ cm^{2}, if we use the formula of its area, we'll find the radius of the circle

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Notice that each piece works as an isosceles triangle, because each side is the radius, that is, they have the same length. So far, we know the sides of the isosceles triangle and one internal angle.

To find the height of the one piece, we need to use trigonometric reasons, because the height divides a triangle in two equal right triangles.

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6 0
3 years ago
1. An AP Statistics class starts a project to estimate the average number of hours a student at their high school sleeps per nig
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Answer:

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5 0
3 years ago
MN is the midsegment of the trapezoid ABCD. What is the length of segment AB?
vladimir1956 [14]

Dear Student,

Answer to your query is provided below:

The length of segment AB = 8

Explanation to answer is provided by attaching image.

8 0
3 years ago
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