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valentinak56 [21]
4 years ago
6

–2n(5 + n – 8 – 3n how to do this

Mathematics
1 answer:
Sliva [168]4 years ago
8 0
-10n-2n^2+16n+6n^2

4n^2+6n
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According to the synthetic division below, which of the following statements
jek_recluse [69]

Answer:

A, B, D

Step-by-step explanation:

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3 years ago
Which rational number is one tick mark to the left of -3/4<br> on the number line above?
abruzzese [7]

Answer:

Put it in between the 0 and -1. Put it on the last line closer to the -1 but not on the -1.

Step-by-step explanation:

This is because 3/4 in general is less than one.

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3 years ago
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Alex asks several households how many cars they have. The number of cars in the households is shown.
alexgriva [62]

Answer:

The median is 1.5

The median is spread.

Step-by-step explanation:

0, 0, 1, 1, 1, 2, 2, 2, 2, 3

count from the outside to the middle, you have 2 and 1.

You then do (2+1) divided by 2, and that is your median.

The median is 1.5, it is SPREAD because there was no middle, there were 2 numbers that were needed in order to get the answer.

8 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 30% pure antifreeze and the second brand is 55% pure antif
Phantasy [73]

Answer:

  • 64 gallons 30%
  • 96 gallons 55%

Step-by-step explanation:

The amount of each brand can be found by writing and solving an equation that makes use of the given relations.

<h3>Setup</h3>

Let x represent the quantity of 55% pure antifreeze needed in the mixture. Then the quantity of the 30% brand is (160-x). The amount of pure antifreeze in the mixture is ...

  0.55x +0.30(160 -x) = 0.45(160)

<h3>Solution</h3>

Subtracting 0.30(160), we have ...

  x(0.55 -0.30) = 160(0.45 -0.30)

  x = 24/0.25 = 96 . . . . . simplify, divide by the coefficient of x

96 gallons of the 55% brand, and 64 gallons of the 30% brand must be used.

__

Read more about mixture problems here:

brainly.com/question/26751698

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2 years ago
An airplane flew across the Pacific Ocean. The table
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1hr= 550 miles

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4 years ago
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