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Keith_Richards [23]

3 years ago

9

Need help with this math question!

1 answer:

In-s [12.5K]3 years ago

5 0

Answer:

<h2>y = 51.2</h2>

Step-by-step explanation:

$\dfrac{y}{32}=\dfrac{16}{10}\qquad\text{cross multiply}\\\\10y=(32)(16)\\\\10y=512\qquad\text{divide both sides by 10}\\\\\dfrac{10y}{10}=\dfrac{512}{10}\\\\y=51.2$

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What is 6(5−8v)+12=−54

zlopas [31]

Answer: v = 2

Step-by-step explanation:

30-48v+12 = -54

-48v = -54-30-12

$\frac{-48v}{-48}$ = $\frac{-96}{-48}$

v = 2

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3 years ago

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Murrr4er [49]

Answer:

It's C

Step-by-step explanation:

It's C because when you find the least common denominator of 3 and 5 it's 15. So then you convert the fractions to get 6/15+5/15=11/15, which leaves 4/15 left.

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2 years ago

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-4m + 5 = -15<br> SHOW YOUR WORK PLEASE!!

Anvisha [2.4K]

Answer:

Step-by-step explanation:

-4m + 5 = -15

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3 years ago

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In the isosceles trapezoid below,<br> X =<br> 5x+ 15°<br> 7x-11°

tangare [24]

Answer:

x = 13°

Step-by-step explanation:

5x+15°=7x-11°

5x-7x = -11°-15°

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6 0

2 years ago

(Ross, 4.78) A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and 2 are black, w

KATRIN_1 [288]

Answer:

Step-by-step explanation:

Given

Jar contains 4 white and 4 black marbles

We randomly select 4 marbles out of which 2 are white and 2 are black

Probability that 2 white and 2 black marbles are selected is

$P=\frac{^4C_2\times ^4C_2}{^8C_4}$

$P=\frac{18}{35}$

The process is continue for n trails until we choose the correct order

i.e. we have to fail in n-1 trails

For exact n selection Probability is given by

$Req.\ Probability=Probability\ of\ failure\ in\ (n-1)\ trials\times Probability\ of\ getting\ exact\ order$

$=\left ( 1-\frac{18}{35}\right )^{n-1}\times \frac{18}{35}$

8 0

3 years ago