3 years ago

A control variable is:

Mathematics

1 answer:

Alexxandr [17]3 years ago

7 0

Answer:

B: kept the same to make an experiment a faith test

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Simplify the expression. Explain each step. - q•3

Sveta_85 [38]

Answer:

-3q

Step-by-step explanation:

-q is actually -1q so you just divide 3 by -1 and get -3q

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What is the residual for the hamburger with the 3-ounce patty?

Nataly_w [17]

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Step-by-step explanation:

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3 years ago

If i multiply by 5 and subtract 63 i get the same answer if i multiply 3 and subtract 11 is the answer 26

aev [14]

Yes

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26 x 3 - 11 = 67

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3 years ago

Is this righttt???? Huh

oksano4ka [1.4K]

Answer:

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Step-by-step explanation:

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3 years ago

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Find the solution of the system of equations. 10x+10y=40 5x+3y=8

ddd [48]

Answer:

x = -2 & y = 6

Step-by-step explanation:

$10x+10y=40$

$10x+10y+ -10y=40+-10y$

$10x=-10y+40$

$\frac{10x}{10} =\frac{-10y+40}{10}$

$x=-y+4$

$5x+3y=8$

$5(-y+4)+3y=8$

$-2y+20=8$

$-2y+20+-20=8+-20$

$-2y=-12$

$\div2$

$y=6$

$x=-y+4$

$x=-6+4$

$x=-2$

Hope this helps.

7 0

2 years ago