3 years ago

I need help with this plz

Mathematics

1 answer:

Brut [27]3 years ago

7 0

Answer:

I believe that the answer is c but I'm not a hundred percent sure

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Henry knows that the circumference of a circle is 18mc006-1.jpg inches. What is the area of the circle?

lesantik [10]

The complete question is:
Henry knows that the circumference of a circle is 18π inches. What is the area of the circle?

Solution:
Circumference (C) of the circle can be written as:

$C=2 \pi r \\ \\ 18 \pi =2 \pi r \\ \\ r=9$

Using this value of radius, we can find the Area(A) of the circle.

$A= \pi r^{2} \\ \\ 
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Therefore, area of the circle having a circumference of 18π inches will be 81π inches²

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Answer:

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Step-by-step explanation:

578-126=452

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3 years ago

If the interest on investment is $44 when the interest rate is 5%. find the interest when the rate is 8.4%.

kolezko [41]

The interest at 8.4% is:
$44\times\frac{8.4}{5}=73.92$
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4 years ago

What is the volume of this pyramid? • 7560 cm³ • 5040 cm³ • 2520 cm³ • 1728 cm³

gavmur [86]

Answer:

Volume = 2520 cm^3.

Step-by-step explanation:

The volume of a pyramid = 1/3 * area of the base * height.

The base of this pyramid is a triangle and its area

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1/3 * 1/2 * 18 * 24 * 35

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