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m_a_m_a [10]
3 years ago
11

The length of Marshall's poster is 2 times its width. If the perimeter is 72 inches, what is the area of the poster?

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
8 0
X= width
2x= length
2x+4x=72
6x=72
X=12
2(12)x(12)=24x12
The answer is 288 sq. in.
lesya [120]3 years ago
3 0
x-width\\2x-length\\\\2x+2\cdot2x=72\\2x+4x=72\\6x=72\ \ \ \ |:6\\x=12\\\\2x=2\cdot12=24\\\\Area=24\cdot12=288\ in^2
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Alex_Xolod [135]

Answer:

center = (-2, 6)

radius = 6

Step-by-step explanation:

<u>Equation of a circle</u>

(x-a)^2+(y-b)^2=r^2

(where (a, b) is the center and r is the radius)

Therefore, we need to rewrite the given equation into the standard form of an equation of a circle.

Given equation:

x^2+y^2+4x-12y+4=0

Collect like terms and subtract 4 from both sides:

\implies x^2+4x+y^2-12y=-4

Complete the square for both variables by adding the square of half of the coefficient of x and y to both sides:

\implies x^2+4x+\left(\dfrac{4}{2}\right)^2+y^2-12y+\left(\dfrac{-12}{2}\right)^2=-4+\left(\dfrac{4}{2}\right)^2+\left(\dfrac{-12}{2}\right)^2

\implies x^2+4x+4+y^2-12y+36=-4+4+36

Factor both variables:

\implies (x+2)^2+(y-6)^2=36

Therefore:

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  • radius = √36 = 6
7 0
1 year ago
Vivian red 14 fewer pages than she was assigned to read she read 60 Pages write and solve an equation to find how many pages P V
ValentinkaMS [17]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
There were 600 soldiers in the battle. the ratio of texas soldiers to mexican soldiers was 7:3, how many more texan soldiers wer
KatRina [158]
T : m
7 : 3

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3 years ago
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marishachu [46]

Question

what is 5/6÷2?

Answer:

<h2>0.41 or 5/12 (same value)</h2>

Step-by-step explanation:

5/6 : 2 =

0.83 : 2 =

0.41

Or

5/6 : 2 =

5/6 * 1/2 =

5/12





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3 years ago
Sometimes, lenders allow or require a down payment before they extend you the loan. What would be the advantage to the lender.?
Alona [7]

Answer:

The advantage to the lender would be that he’s getting money & if the person doesn’t pay the rest of the price they at least got some money , and the advantage for the borrower is that they can pay the rest later.

Step-by-step explanation:

6 0
3 years ago
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