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3 years ago

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The masses of two similar objects are 24kg and 81 kg respectfully. If the surface area of the larger one is 540cm2, find the sur

face area of the smaller one.

1 answer:

Dmitry_Shevchenko [17]3 years ago

6 0

Answer:

Step-by-step explanation:

hope that image helps

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The circumference of a circle is 5 Pi cm. What is the area of the circle?

Ber [7]

Answer:

6.25 pi cm^2

Step-by-step explanation:

The formula for circumference is

C = 2*pi*r

We know the circumference is 5 pi

5 pi = 2 * pi *r

Divide each side by pi

5 pi/pi = 2 * pi *r/pi

5 = 2r

Divide by 2

5/2 = 2r/2

2.5 = r

We need to find the area of the circle

The area is given by

A = pi * r^2

= pi * (2/5)^2

= pi *6.25

= 6.25 pi cm^2

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3 years ago

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A right triangle has a height of 20 cm and a base of 10 cm. What is the area of the triangle? (A = 1/2 bh)

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Answer:

100 because its way too ez

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3 years ago

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When a business buys a fast food franchise, it is buying the recipes used at every restaurant with the same name. For example, a

den301095 [7]

Answer:

1 cup

Step-by-step explanation:

1/4= 6/24

1/3= 8/24 --------

1/6= 4/24 -------- 24/24 = 1

1/8= 3/24

1/8= 3/24

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3 years ago

What is the value of h in the triangle

Naya [18.7K]

Answer:

I think the answer is 7.2

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3 years ago

I need help understanding how to get the answer.

const2013 [10]

Answer:

-157.87

Step-by-step explanation:

1) the rules are:

$log_a(bc)=log_ab+log_ac;$

and

$log_ab^c=c*log_ab.$

2) according to the rules above:

$log_7(yz^8)=log_7y+8log_7z=-6.19-8*18.96=-157.87.$

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3 years ago