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r-ruslan [8.4K]
3 years ago
13

Answer the question below. The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. What is the

perimeter of the carpet? a0 feet
Mathematics
2 answers:
schepotkina [342]3 years ago
8 0
The perimeter of the carpet is determined by its dimensions so the dimensions of the room are irrelevant to the question.

P=2(x+y) where x and y are the dimensions, here x and y equal 9 and 12 ft so

P=2(9+12)

P=2(21)

P=42 ft
Anarel [89]3 years ago
7 0
The perimeter of the carpet is 42 ft. to find this answer you just take 9 multiply it 2 since it is a rectangle, and add it to 12times 2. this will give you perimeter. hope I helped you learn!!! brainliest would be much appreciated because I am trying to rank up!!!!
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mojhsa [17]
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3 years ago
A math teacher gets a starting salary of $30,000. IF she gets a 1.5% increase in salary each year, what will her total income be
kolezko [41]
No it is not base e.  It is 1.015.

An increase of 1.5 % =  1.015 

Year            1,             2,                       3,.........................., 30.
               30000, 3000(1.015),  30000(1.015)²,........... 30000(1.015)²⁹

Her Total Income is sum over the thirty 30 year period:

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5 0
2 years ago
Write an algebraic expression for the given quantity. Let x represent the unknown value.
Lelechka [254]

Answer:

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7 0
2 years ago
X + 4 is prime x2 – 9 can be factored using the formula.
Anna71 [15]

We are given two binomials: x+4 , x^2-9.

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Now, we can apply difference of the squares formula to factor it.

We know a^2 -b^2 = (a-b) (a+b).

Therefore,  x^2 - 3^2 can be factored as (x-3) (x+3).

So, x^2-9 is not a prime binomial because it can be factored as (x-3) (x+3).

3 0
3 years ago
Read 2 more answers
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Setler79 [48]
Cost as a function of hours is:

c(h)=52.5h+75
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3 years ago
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