3 years ago

Felicity is planting a garden. Should she measure the perimeter or area to find how much dirt she needs to cover the garden?

1 answer:

4 0

She wants to fill the garden with dirt so she should measure the area. If she were building a fence outside the garden then she'd measure the perimeter.

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Change to standard form 2.57x10^-4

katrin2010 [14]

It's the mean of (2.57 x 10) minus 4
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How many triangles can be made if two sides are 4 inches and the angle between them is 90°?

Tcecarenko [31]

2 triangles can be made

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At a real estate agency, an agent sold a house for $336000. The commission rate is 5.5% for the real estate agency and the co

Romashka-Z-Leto [24]

Answer: no did

Step-by-step explanation:

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3 years ago

A 120° sector of a circle has an area of 67 cm². To the nearest centimeter what is the diameter of the circle?

qaws [65]

Answer:

degree = 120°

A =67 cm²

d=?

note : diameter= 2×radius

area of a circle = πr²

67=22/7 ×r²

67×7=22r²

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r²=469/22

r²=21.32

r=4.62

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I hope it helps :)

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3 years ago

How many integers between 360 and 630 are there such that they have odd number of divisors?

Kryger [21]

Answer:

Step-by-step explanation:

Concept to Know: "A number is a perfect square if and only if it has odd number of positive divisors "

Find all the squared values that lies between 360 and 630

360< 19², 20², 21², 22², 23², 24², 25² < 630

19², 20², 21², 22², 23², 24², and 25² are all the squared values that lies between 360 and 630. There are seven of those squared numbers so the answer is 7.

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