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Pachacha [2.7K]

3 years ago

8

The perimeter of a square picture froame is 48 inches. One side length of the frame si 30.48 centimeters, how many centimeters a

re in an inch?

1 answer:

OverLord2011 [107]3 years ago

3 0

4

Step-by-step explanation:

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A building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π meters.

Whitepunk [10]

Answer:

$A=81\pi\ m^{2}$

Step-by-step explanation:

Step 1

Find the radius of the circular cross section

we know that

The circumference is equal to

$C=2\pi r$

we have

$C=18\pi\ m$

substitute and solve for r

$18\pi=2\pi r$

simplify

$18=2 r$

$r=9\ m$

Step 2

Find the area of the circular cross section

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=9\ m$

substitute

$A=\pi (9)^{2}$

$A=81\pi\ m^{2}$

8 0

3 years ago

One T-shirt is sold for every 5 people who attend a concert. What is one way to write the unit rate in words?

liraira [26]

Answer : the answer is 5 people per T-shirt

Step-by-step explanation: because its 5 people per 1 T-shirt

3 0

3 years ago

An angle, θ, is in standard position. The terminal side of the angle passes through the point (4, 5).

lara31 [8.8K]

Answer:

cos Θ = $\frac{4}{\sqrt{41} }$

Step-by-step explanation:

Given the angle passes through (4, 5 ) then the right triangle with sides 4 and 5 has hypotenuse h given by

h² = 4² + 5² = 16 + 25 = 41 ( take the square root of both sides )

h = $\sqrt{41}$

In relation to Θ, 4 is adjacent and 5 is opposite, thus

cos Θ = $\frac{adjacent}{hypotenuse}$ = $\frac{4}{\sqrt{41} }$

5 0

3 years ago

In 2005, the population of a state was 31,006,000. If the population grows at 1. 2% per year, approximately how many years ( fro

Nonamiya [84]

21 years mm. M. N. M

3 0

2 years ago

Read 2 more answers

Susan owns a small business there was a loss of $11 on Monday and a profit of $18 on Tuesday on Wednesday there was a loss of $7

Dmitry [639]

Answer:

B. $8 profit

Step-by-step explanation:

Loss is negative and profit is positive

Monday : -11

Tuesday: +18

Wednesday: -7

Thursday: +8

------------

+8

We have a profit of 8

6 0

3 years ago

Read 2 more answers