3 years ago

What is 3x - y = 17 x + y = -5

Mathematics

1 answer:

Virty [35]3 years ago

3 0

Answer:

{x,y}={6,1}

Step-by-step explanation:

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Which expression is equivalent to 5a/4-b/8

earnstyle [38]

Answer:

(10a-b)/8

Step-by-step explanation:

LCM(4,8) is 8

Rewrite each fraction using common denominator = 8

5a/4 is 10a/8

10a/8 - b/8 = (10a-b)/8

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Alyssa took a math test for 20 questions and she answered 16 questions correctly in order to get an a she needs to answer at lea

Elenna [48]

Answer:

She did not qualify the exam.

Step-by-step explanation:

Given data

Total no of question in a test = 20

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Percentage of question answered correctly

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3 years ago

What is the solution of -6x+15=-3

drek231 [11]

The answer to your problem is x=3

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3 years ago

Read 2 more answers

PLS HELP TIMED HW WILL GIVE BRAINLEIST

pochemuha

Answer:

4.8

Step-by-step explanation:

$V_{sphere} = \frac{4}{3} \pi r^3$

$144\pi= \frac{4}{3} \pi r^3$

$r^3 = \frac {3 \times 144\pi}{4\pi}$

$r^3 = 3 \times 36$

$r^3 = 108$

$r = \sqrt[3]{108} \\ \\ r = 4.7622031559 \\ \\ r \approx \: 4.8 \:$

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2 years ago