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ioda
3 years ago
7

Plz help I need help

Mathematics
2 answers:
Serhud [2]3 years ago
6 0

Answer:

c

Step-by-step explanation:

the equation is basiclly:

3*1/5x-3*1/7

3/5x-3/7

Nina [5.8K]3 years ago
6 0

Answer:

\frac{3}{5} x-\frac{3}{7}

Step-by-step explanation:

3(\frac{1}{5}x- \frac{1}{7} )

\frac{3}{5} x-\frac{3}{7}

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Step-by-step explanation:

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3 years ago
Solve system by using substitution: 5x + 3y = -4 <br> y - 2x = 6
horrorfan [7]

Answer:

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Step-by-step explanation:

y-2x=6\\y = 2x + 6

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A set of test scores is normally distributed with a mean of 78 and a standard deviation of 4.5. Dwayne scored 87 on the test. Wh
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4 years ago
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In \triangle LMN,△LMN, \angle N \cong \angle M,∠N≅∠M, LM = 14LM=14 and MN = 8MN=8. Find the length of NL.NL.
Black_prince [1.1K]

Answer:

11.5

Step-by-step explanation:

We solve using :

Pythagoras Theorem

LM² = MN² + NL²

NL² = LM² - MN²

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NL =  √(132)

NL = 11.489125293

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Therefore, the length of NL = 11.5

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3 years ago
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Step-by-step explanation:

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