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N76 [4]
3 years ago
15

Use the Distributive Property to simplify the expression 7(x−4)7(x−4).

Mathematics
2 answers:
LuckyWell [14K]3 years ago
8 0
It seems like you want to simplify 7(x-4)

If so, then multiply the outer 7 by each term inside (x and -4)
7 times x = 7x
7 times -4 = -28
Add up the results: 7x+(-28) = 7x-28

Therefore, 7(x-4) turns into 7x-28
Schach [20]3 years ago
3 0
7x - 28 = 7x-28 
isolate the variable 
7x-7x= -28+28 
the answer would be zero 
I may be wrong 
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const2013 [10]

Answer:

your answer is D

Step-by-step explanation:

8 0
2 years ago
Shapes A and B are similar.
kari74 [83]

The scale factor from A to B is 5/3 and the value of r is 33/5

<h3>The scale factor from A to B</h3>

From the figure, we have the following corresponding sides

A : B = 5 : 3

Express as fraction

B/A = 3/5

This means that, the scale factor from A to B is 5/3

<h3>The value of r</h3>

From the figure, we have the following corresponding sides

A : B = 11 : r

Express as fraction

B/A = r/11

Recall that:

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So, we have:

3/5 = r/11

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3 0
1 year ago
48. A map is drawn to a scale of 1cm to represent 50km. If the actual distance between two villages is 480km, what is the distan
lana66690 [7]

Set up a ratio:

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Cross multiply:

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Divide both sides by 50:

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The distance on the map is 9.6 cm

5 0
3 years ago
I can’t figure out how to solve this for a. I’ve tried multiple ways but still have not come up with an answer.
abruzzese [7]

Answer:

a = 33

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Which algebraic expression represents the phrase below? five times the sum of a number and eleven, divided by three times the su
Umnica [9.8K]
The phrase has two parts:

Five times the sum of a number and eleven, divided by three times the sum of the number and eight

Let the number be x. Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:

5(x + 11)

Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:

3(x + 8)

So, the overall expression will be:

\frac{5(x+11)}{3(x+8)}
4 0
2 years ago
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