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DiKsa [7]
4 years ago
7

{I WILL GIVE BRAINLIEST] (pls help)

Mathematics
1 answer:
Dmitry_Shevchenko [17]4 years ago
5 0

Answer:

22.5 square feet

Step-by-step explanation:

Hope this helps.

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A group of students are planning a mural at a wall the rectangular wall has dimensions of (6x+7) by (8x+5) and they are planning
zvonat [6]

Answer: 46x^2+73x+15

Step-by-step explanation:

The area of a rectangle can be calculated with the formula:

A=lw

l: the length of the rectangle.

w: the width of the rectangle.

The area of the remaning wall after the mural has been painted, will be the difference of the area of the wall and the area of the mural.

Knowing that the dimensions of the wall are (6x+7) by (8x+5), its area is:

A_w=(6x+7)(8x+5)\\\\A_w=48x^2+30x+56x+35\\\\A_w=48x^2+86x+35

As they are planning that the dimensions of the mural be (x+4) by (2x+5), its area is:

A_m=(x+4)(2x+5)\\\\A_m=2x^2+5x+8x+20\\\\A_m=2x^2+13x+20

Then the area of the remaining wall after the mural has been painted is:

A_{(remaining)}=A_w-A_m\\\\A_{(remaining)}=48x^2+86x+35-(2x^2+13x+20)\\\\A_{(remaining)}=48x^2+86x+35-2x^2-13x-20\\\\A_{(remaining)}=46x^2+73x+15

8 0
4 years ago
What is the answer to 2(-3x - 6)
Zepler [3.9K]
Apply the distributive property:
-6x - 12
8 0
3 years ago
Read 2 more answers
Find the quotient 12÷3/8
bearhunter [10]

Answer:

32

Step-by-step explanation:

To make it a fraction form answer, you multiply the whole number by the denominator and make the result the new numerator. The old numerator becomes the new denominator

 

Thus, the answer to 12 divided by 3/8 in fraction form is:

96 /3

To make the answer to 12 divided by 3/8 in decimal form, you simply divide the numerator by the denominator from the fraction answer above:

96 / 3 = 32

The answer is rounded to the nearest two decimal points if necessary.

96/3 can be simplified to 32/1.

32/1 is an improper fraction and should be written as 32.

Hope this helps <3

3 0
2 years ago
Read 2 more answers
What is the sum of the whole number and the improper fraction?
Wittaler [7]

Answer:

There are no numbers/pictures.

Step-by-step explanation:

5 0
3 years ago
Find the product. (-5a 2)3 · a 5 -15a10 -125a11 15a6 -125a10
alekssr [168]
The correct answer is not up there. its -125a^7
3 0
4 years ago
Read 2 more answers
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