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Blababa [14]
3 years ago
9

7x + 3(5 - 3x) =5 x=?

Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

x=5

Step-by-step explanation:

7x+15-9x=5

-2x+15=5

-2x=-10

x=5

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hope it helps

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4 0
3 years ago
Solve for x.<br> 5x – 4 ≥ 12<br> OR<br> 12x + 5 ≤ -4
VARVARA [1.3K]

Answer:

x≥16/5

Step-by-step explanation:

5x-4≥12

5x≥16

x≥16/5

4 0
3 years ago
How is 8% sales tax like an 8% increase? explain.
olganol [36]
Because tax is an additional charge to the original amount therefor it is simply an increase
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3 years ago
Arrange the following measurements in order from smallest to largest.
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8 0
4 years ago
The length of a rectangle is five more than the width. The perimeter is 130cm. What is the area?
Evgen [1.6K]
<h2>Greetings!</h2>

Answer:

≅ 586.8

Step-by-step explanation:

Take x to be the width, if the length is 5x bigger than the width, then this can be shown by 5x.

The total perimeter is:

(2 * x) + (2 * 5x) because each side has another parallel one.

This means that 2x + 10x = 130

12x = 130

Divide both sides by 12:

\frac{12x}{12} = \frac{130}{12}

x = \frac{65}{6}

So the area = length * width

x * 5x = area

Substitute the values in:

\frac{65}{6} * (5*\frac{65}{6}) = 586.8055... ≅ 586.8

So the approximate area is 586.8


<h2>Hope this helps!</h2>
5 0
3 years ago
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