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alex41 [277]
2 years ago
12

Which expressions are equivalent to -4(-25y + 4 + 50y - 8)? Select all that apply. A - 100 y - 4 -2123y - 5 + 27y - 3) B C (100y

+ 32) - (200y + 16) D -16 - 100y -(-100y + 16 + 200y- 32) E F -300y - 48
Mathematics
1 answer:
Jobisdone [24]2 years ago
8 0

Answer: C (I don't see answers for B nor E)

Step-by-step explanation:

-4(-25y+4+50y-8)\\100y-16-200y+32\\-100y+16

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Which order pair is a solution to the system of linear equations -4+y=8 and x-5y=17?
andreev551 [17]

Hello!

To find this ordered pair, we solve for x and y and put them together in an ordered pair.

-4+y=8

x-5y=17

Let's solve the first equation for y.

y= 12

Now, let's plug 12 into the second equation for y.

x-5(12)=17

x-60=17

x=77

Therefore, our ordered pair is (77,12)

I hope this helps!

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2 years ago
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after 24.0 days, 2.00 milligrams of an original 128.0 milligram sample remain. what is the half-life of the sample?
coldgirl [10]
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6 0
2 years ago
By visual inspection determine the best-fitting regression model for the data plot below
Pie

Answer:

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Step-by-step explanation:

By visual inspection the graph generated by the points plotted is an exponential graph as the graph curves upward. The graph is also continous and differs from either a decreasing or increasing Linear graph, which shows a straight best of fit pattern. Hence, the graph most closely represents an exponential graph from visual examination.

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Answer:

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Step-by-step explanation:

We can use ratios to solve

14 wings      12 wings

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Bond [772]
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