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patriot [66]
11 months ago
11

Don’t need an explanation just the answer. Community takes too long lol

Mathematics
1 answer:
Nimfa-mama [501]11 months ago
3 0

SOLUTION

Step 1: Find the area of the wall.

\begin{gathered} A=l\times b \\ A=42\times25.5 \\ A=1071ft^2 \end{gathered}

Step 2: Find the cost of wallpaper per square foot

=\frac{total\text{ cost of wallpaper}}{Area\text{ of the wall}}\begin{gathered} =\frac{771.12}{1071} \\ =0.72\text{ dollars} \end{gathered}

The correct answer is B: $0.72

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Need a lil help plz and thank you
Tpy6a [65]

Answer:

draw line to left  without including -6

Step-by-step explanation:

all answers to x must be less than -6

8 0
2 years ago
Eight is added to a number and the sum is doubled, the result is -11 less than the number. Find
inna [77]
If you don’t know what a number is, you should substitute it for x and make an equation with the information you have been given. This gives:

(x + 8) x 2 = x - 11

Then, solve:

2x + 16 = x - 11

2x = x -27

x = -27

This can then be checked by using the number in the original text.

-27 + 8 = -19

-19 x 2 = -38

-38 is 11 less than -27.

Hope this helps :)
3 0
3 years ago
WhaThe factorization of x2 + 3x – 4 is modeled with algebra tiles.t is the factored form of x2 – x – 2?
Nataly [62]

Answer:

  x^2 -x -2 = (x -2)(x +1)

Step-by-step explanation:

To factor x^2 -x -2, you look for factors of -2 that have a sum of -1:

  -2 = (-1)(2) = (1)(-2) . . . . . the latter pair has a sum of -1

Then these are the constants in the binomial factors:

  x^2 -x -2 = (x +1)(x -2)

_____

<em>Comment on the question</em>

The fact that x^2 +3x -4 is modeled with algebra tiles seems to be irrelevant to the question that is actually asked.

4 0
2 years ago
Using the order of operations, what should be done first to evaluate (-2)³ + 4 ÷ (-15 + 9)(3) - 4?
dybincka [34]

Answer:

-14

Step-by-step explanation:

If you simplify the expression you get -14

8 0
3 years ago
Read 2 more answers
Fill in the number that makes this sentence true 6x9=(6x5)+(6x)
antiseptic1488 [7]
<span>Fill in the number that makes this sentence true 6x9=(6x5)+(6x)           (6x5)</span>
4 0
2 years ago
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