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azamat
3 years ago
9

How many solutions does 0.75(x+40)=0.35(x+20)+0.35(x+20) have?

Mathematics
2 answers:
aev [14]3 years ago
5 0

0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)

is the answer d

Neporo4naja [7]3 years ago
4 0
Only one because there is one variable and the combined coefficients of x are non-zero.
(0.75(x+40)=0.70(x+20), 0.05x=14-30=-16, x=-320)
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no

Step-by-step explanation:

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3 years ago
Convert the following equation into slope- intercept form.<br> -10x+5y=20
SCORPION-xisa [38]

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explanation:

−10x+5y=20

Step 1: Add 10x to both sides.

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Step 2: Divide both sides by 5.

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3 years ago
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Wewaii [24]
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7 0
2 years ago
Convert to a percent.<br><br> A. <br> 53%<br> B. <br> 35%<br> C. <br> 60%<br> D. <br> 30%
adelina 88 [10]

3/5 converted to percentage gives 60%

How do we convert a fraction to a percentage?

First and foremost, the maximum percentage value any number could have is 100% , hence, in order to convert a number or fraction or even  a decimal to percentage, we simply multiply it by 100

3/5 to percent:

In order to convert 3/5 to percentage, we would multiply by 100

3/5=3/5*100

3/5 in percent=300/5

3/5 in percent=60

3/5 in percent =60%

As a result, the correct option is 60%,which is the third option, option C

Find out more about percentage on:brainly.com/question/18488471

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Full question:

Convert 3/5 to a percent.

A.30%

b.35%

c.53%

d.60%

7 0
1 year ago
Evaluate the following expression:<br> 30 = 5(8 – 6 + 1) - (2^2 - 3)^3
grin007 [14]

Answer:

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Step-by-step explanation:

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40=12-27

30=-15

7 0
3 years ago
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