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Sergio039 [100]
2 years ago
11

A semicircular window with a RADIUS OF 20 inches is going to be laminated with a sunblock coating that costs 1.50 PER SQUARE INC

H. How much will it cost to coat this window?
A: 200$
B: 942$
C: 1,593$
D: 1,884$
Mathematics
2 answers:
Vikki [24]2 years ago
8 0
We have,
Diameter of a semicircular window is 24 inches. Radius of window is 12 inches.
Lou wants to insert a laminated sun-block coating that costs $1.50 per square inch to apply.
It means we need to find the area of semicircular window. IT is given by :


Cost per square inch is $1.50. So, Lou spend to coat the window with sun-block is

So, Lou spend to coat the window with sun-block is $339.12.
yan [13]2 years ago
3 0

Answer:

B:942$

Step-by-step explanation:

(pi*20^2)/2 is approximately 628.32

628.32*1.5=942.48

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divide 10/8

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5(3-x)-4(2-3x)>2 what is the inequality of x
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F(x) = x2. What is g(x)?
puteri [66]

Answer:

C:  g(x) = 3x^2

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2 years ago
A college student has 700$ in their account she spends $165 from the account on books and then deposits $190 in the account how
adell [148]

Hello,

I hope so far you and your family are staying safe and healthy!

We need to solve this step by step.

The college student has $700 in their account.  But then she spends $165 on books from that money. So we need to Subtract that.

700 - 165 =535

However, later on, she deposits $190 to the same account. So we need to take the remain we had and add it to the new amount.

535 + 190 = 725

Thus,

There are $725 in the account.

I wish you all the best!

~Gary

4 0
3 years ago
Linear, exponential, or neither?
frutty [35]

Answer:

A) Linear

Step-by-step explanation:

For a linear relation, there will be a constant rate of change

For an exponential relationship, there will be a multiplicative rate of change.

For x-values, there is a constant difference of

d = 4 -  - 3 = 11 - 4 = 18 - 11 = 7

For the y-values, there is a constant difference of

b = 1 -  - 3 = 5 - 1 = 9 - 5 = 4

The rate of change of the function represented by the table is

m =  \frac{change \: in \: y}{change \: in \: x}  =  \frac{4}{7}

The equation can be derived as:

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