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3 years ago

Find the area and perimeter of the figure. I need help on this

Mathematics

2 answers:

Ierofanga [76]3 years ago

7 0

Area: 44 sq.

Perimeter: 30

AREA - 9 * 6 = 54

6 + 4 = 10

54 - 10 = 44 sq

PERIMETER - 9 + 9 + 6 + 6 = 30

kotykmax [81]3 years ago

6 0

Answer:

area=38cm²

perimeter=34cm

Step-by-step explanation:

I found three shapes and got

4·2=8

3·3=9

9·3=21

8+9+21=38cm²

5+6+9+4+3+2+2+3=34

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4 years ago

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konstantin123 [22]

Answer:

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3 years ago

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3 years ago

if 1 gallon of paint covers 400 square feet, about how many gallons of paint are needed to paint the outside of a spherical tank

ollegr [7]

Given:
Diameter if the spherical tank = 20 ft.
Now,
We know,
radius = diameter / 2
= 20 / 2
= 10 ft.
Now,
The area of the spherical tank = $4 \pi r^{2}$

= $4 \pi (10)^{2}$

= $4 * \pi *100$

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Now,
According to the question,
400 ft² needs 1 gallon of paint
1 ft² needs (1 / 400) gallon of paint
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= 3.1416 gallon of paint
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4 years ago

Working together, 5 friends collected 15 5/8 bags of food for the homeless. On average, how many bags of food did each friend co

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125/8 divided by 5/1 (which is equal to 5)

Next, we do Keep Change Flip.

Keep 125/8 the same, change the division to multiplication, and turn the 5/1 to 1/5.

1 * 125 = 125

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Then, we get 125/40 = 3 5/40 BUT WAIT

We can reduce it once more! Divide 40 by 5

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3 years ago