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natulia [17]
3 years ago
10

I need some help with this, can someone help me?

Mathematics
1 answer:
Lina20 [59]3 years ago
3 0

Answer:

D. Paul can type 3/4 as fast as Jennifer

Step-by-step explanation:

60/80 = 3/4

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Which of the options represents the resulting equation after an equivalent expression for y is substituted into the second equat
Nina [5.8K]

Answer:

Correct choice is D

Step-by-step explanation:

Given the system of two equations:

\left\{\begin{array}{l}4x+y=8\\6x-9y=12\end{array}\right..

Fro mthe first equation

y=8-4x.

Substitute into the second equation 8-4x instead of y:

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Note that 8-4x=-4x+8, then the second equation will take look

6x-9(-4x+8)=12.

6 0
3 years ago
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7. Which pair shows equivalent expressions? A. 3(x+2) = 3x + 6 B. 3x + 2x = x²(x + 2) C. 3x + 2 = 3(x + 2) D. -3(2 + x) = -6x -
Sergio039 [100]
C has equivalent expressions I think
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According to Ms. Hill’s blintz recipe, 2 eggs should be used for every 3/4 cup of sifted flour. At this rate, how many cups of s
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Step-by-step explanation:

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3 years ago
A sample of 92 observations is taken from a process (an infinite population). the sampling distribution of x̄ is approximately n
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6 0
3 years ago
What is 1/4 to a decimal then a percent
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1/4 converted into a percent is 25%

Hopefully this helps!! :)
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3 years ago
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