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blagie [28]
3 years ago
7

What is the area of this trapezoid?

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0

Answer:

400cm^2

Step-by-step explanation

equation: a+b/2 x h

19+25/2 x 20

44/2 x 20

22 x 20

440 (don't forget unit) and to square because we are finding the area

jenyasd209 [6]3 years ago
7 0

The formula of an area of a trapezoid:

A=\dfrac{base_1+base_2}{2}\cdot height

We have

base_1=25\ cm\\\\base_2=19\ cm\\\\height=20\ cm

Substitute:

A=\dfrac{25+19}{2}\cdot20=\dfrac{44}{2}\cdot20=22\cdot20=440\ cm^2

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Northside Middle School spent $1187.50 on<br> 95 math books. How much did each book<br> cost?
trasher [3.6K]

Answer:

Each book cost $12.50 dollars.

Step-by-step explanation:

1,187.50 / 95 = 12.50

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4 0
3 years ago
How do I find the volume of this?​
lorasvet [3.4K]

Answer:

(64+320π) cm^3

Step-by-step explanation:

The volume of a cube is the length*width*height, so

the volume of this cube is 4*4*4=64 cm^3

The volume of a cylinder is the base*height

The base of a cylinder is the area of a circle, which is π*the radius of the circle squared

The diameter of the circle base is 16, and the radius is half the diameter, so it is 16/2=8.

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Now, multiply the base by the height, 5

64π*5=320πcm^3

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7 0
3 years ago
Find the angle measure of PQR
sineoko [7]

Answer:

<em>64 degrees</em>

Step-by-step explanation:

When you have the SRQ angle, you can easily solve for PQR. Luckily, we're given that QRP and PRS are 32 and 84, respectively. Adding this together gives you 116. 116*2 = 232 and 360-232 = 128, and 128/2 = 64.

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3 years ago
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densk [106]

Answer:

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Step-by-step explanation:

Similar triangles/ratios

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