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3 years ago

6

Which equation shows a linear relationship between the variables stated?

1 answer:

slega [8]3 years ago

8 0

A and B cannot be the answer because they are square equations and not linear. C also is not the answer because you can't make m/a = something

D is the answer because you can divide both sides by I and get equation
V/I=R. Right side is linear therefore that is the answer.

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Move each inequality next to the number line it represents.<br> Number Line<br> Inequality

Art [367]

1. x > -2
2. x ≤ -2
3. x ≥ -2
4. x < -2

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3 years ago

PLEASE HELP AND EXPLAIN!

Neko [114]

Answer:

12 years old.

Step-by-step explanation:

1) 2x+x=18

2) Now solve 2x+x=18

Add alike terms

3x=18

Now divide both sides by 3 (3x/3 and 18/3)

x=6

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3 years ago

You need a 15% acid solution for a certain test, but your supplier only ships 5% solution and 17.5% solution. If you need 20 lit

Nimfa-mama [501]

Answer:

4 liters of 5% and 16 liters of 17.5%

Step-by-step explanation:

Let quantity of 5% be x liters and of 17.5% be y liters

x+y=20 hence y=20-x

Introducing percentages

0.05x+0.175(20-x)=0.15*20

0.05x+3.5-0.175x=3

-0.125x=-0.5

$x=\frac {-0.5}{-0.125}=4$

Therefore, y=20-x=20-4=16

You need 4 liters of 5% and 16 liters of 17.5% to achieve 20 liters of 15% acid solution

6 0

3 years ago

Read 2 more answers

Finish the polynomial by adding one number to make it a perfect square<br><br> x^2+18x+

dsp73

Answer:

81

Step-by-step explanation:

${x}^{2} + 18x + {(( \frac{1}{2})(18)) }^{2}$

${x}^{2} + 18x + {9}^{2}$

${x}^{2} + 18x + 81$

${(x + 9)}^{2}$

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2 years ago

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Answer:

x=80

Step-by-step explanation:

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