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tino4ka555 [31]
2 years ago
7

The total area of a picture and its frame can be represented by ^l + 2f h^w + 2f h, where l and w represent the length and width

of the picture, respectively, and f represents the thickness of the frame.
a. Sketch a diagram to represent this scenario.



b. What binomial multiplication represents the area of an 8" # 12" picture and its frame?



c. Multiply the binomials from b., and combine like terms to simplify.



d. What is the total area of an 8" # 12" picture and its frame if the frame is 1.5" thick?
Mathematics
1 answer:
jok3333 [9.3K]2 years ago
6 0

The answers to the question are

b. (l + 2f) (w + 2f)

c. f + 4, f + 6

d.  52.25

a. The diagram is an attachment.

<h3>B. How to solve for the binomial multiplication</h3>

The equation says

(l + 2f) (w + 2f)

We have the lengths of w and l as 8 and 12 respectively. Hence we have

(8 + 2f) (12 + 2f) as the area

c. (8 + 2f) (12 + 2f)

= 96 + 16f + 24f + 4f²

= 4f² + 40 f + 96

We have to factorize this using the quadratic equation calculator

f + 4, f + 6

= f = -4 and f = -6

d. If it is 1.25 thick we would have

1.25 x 2 = 2.5

12 - 2.5 = 9.5

8 - 2.5 = 5.5

Area = l * w

= 5.5 * 9.5

= 52.25

Read mire on binomial multiplication here:

brainly.com/question/20353197

#SPJ1

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