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WARRIOR [948]
3 years ago
11

  Brent wants to make a frame for a painting. The painting is square and has area 144 square inches. The framing material costs

​$1.10 per inch. How much will he ​spend? You may assume that the framing material Brent buys will be the exact amount he needs.
Mathematics
2 answers:
stiv31 [10]3 years ago
5 0

Answer:

52.80

Step-by-step explanation:

We can determine the side length of the painting

A = s^2 for a square painting

144 = s^2

Taking the square root of each side

sqrt(144) = sqrt(s^2)

12 = s

We need to find the perimeter for the painting

For a square painting

P =4s

P = 4*12

P = 48

Multiplying by the cost per inch

1.10 * 48 =52.8

oksano4ka [1.4K]3 years ago
4 0

Answer:

$52.80

Step-by-step explanation:

Area = side²

144 = side²

side = 12 in

Perimeter = 4 × side

= 4 × 12 = 48 in

Cost = 48 × 1.10

= 52.80

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Step-by-step explanation:

To solve a quadratic equation by using the completing the square method, the coefficient of the square term i.e x² must be one (1).

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