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3 years ago

11

Cecilia is making shorts with 8 belt loop. To make the loops, she needs 8 strips of fabric. Each strip measures 1 1/4 inches wid

e and 7 inches long. What is the area of each strip? Plz help and show me work

1 answer:

Korolek [52]3 years ago

6 0

Well 1/4 times 7 is 1 3/4 and 7 times 1 is 7 so add 1 3/4 and 7 to get 8 3/4 in.^2
hope i helped

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Answer:

Step-by-step explanation:

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3 years ago

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0.74

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3 years ago

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3 0

4 years ago

Read 2 more answers

Misha Larkins [42]

Answer:

convert 3 1/3 to an improper fraction

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9+1 = 10

10/3

multiply the numerator by 4

(10/3) * 4 = 40/3

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5 0

3 years ago

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A square pyramid has a base with side lengths each measuring 40 inches. The pyramid is 21 inches tall, with a slant height of 29

Alchen [17]

Answer

Find out the what is the surface area of the pyramid .

To proof

Formula

Surface area of a square pyramid

$= a^{2} + 2a \sqrt{\frac{a^{2}}{4} +h^{2}$

Where a is the base edge and h be the height .

As given

A square pyramid has a base with side lengths each measuring 40 inches. The pyramid is 21 inches tall, with a slant height of 29 inches.

i.e Base edge = 40 inches

Height = 21 inches

Put values in the above formula

$= 40^{2} + 2\times40\times\sqrt{\frac{40^{2}}{4} +21^{2}$

solving

$= 1600 + 80 \sqrt{\frac{1600}{4} + 441$

$= 1600 + 80\times\sqrt{841}$

$\sqrt{841} = 29$

= 1600 + 80 × 29

= 3920 inches²

Therefore the surface area of the pyramid is 3,920 inches²

Hence proved

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3 years ago

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