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3 years ago

Help me with this pls

Mathematics

2 answers:

3241004551 [841]3 years ago

6 0

Answer:

4x+5x=180

Step-by-step explanation:

to find x they must both add up to 180

Ne4ueva [31]3 years ago

3 0

Answer:

The answer should be C) 4x + 5x = 180

Step-by-step explanation:

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150, 155, 163, 168, 172, 177, 186, 190, 205

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3 years ago

What is the slope of the line shown below? A. 2 B. -1/2 C. -8/5 D. -2

fiasKO [112]

D -2 is correct answer

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3 years ago

consider there are three machines. All of the machines can produce 1000 pins at a time. Therate of producing a faulty pin from M

blondinia [14]

Answer:

0.03333

Step-by-step explanation:

Given that there are three machines. All of the machines can produce 1000 pins at a time.

Chance for any machine is thus equaly likely = 1/3

The rate of producing a faulty pin from Machine 1 be 10%, from Machine 2 be 20% andfrom Machine3 be 5%.

Machine I II III total

Faulty 0.10 0.20 0.05

Prob 0.3333 0.3333 0.3334 1

Faulty*prob 0.03333 0.06666 0.16665 0.26664

Thus probability that a produced pin will be faulty and it will be from the firstmachine

= 0.03333

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3 years ago

There are 3,072 books in the school library. There are 96 sixth graders. If the sixth graders teamed up to read all the books, h

Semenov [28]

The only thing you should do is to divide 3,072 by 96 and the answer is 32.
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I hope this is helpful
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7 0

3 years ago

Two quantities vary inversely. If the value of the first is 15 when the value of the second is 18, find the value of the second

vovikov84 [41]

Answer:

The value of second quantity is 27

Step-by-step explanation:

Inverse variation can be represented by the equation xy=k or $y = \frac{k}{x}$ i.e,

y varies inversely as x , if there is some nonzero constant k such that, xy =k or $y = \frac{k}{x}$ where x≠0 and y≠0.

Given: Two quantities vary inversely.

Let x be the first quantity and y be the second quantity if they vary inversely.

then, by definition of inverse variation;

$y = \frac{k}{x}$ .....[1]

Substitute the value of x=15 and y=18 to solve for k;

$18= \frac{k}{15}$

Multiply both sides by 15 we have;

$15\times 18=15 \times \frac{k}{15}$

Simplify:

k=270

now, find the second quantity y using same method when x=10.

then;

after substituting the value of x=10 and k=270 in [1] ;

$y = \frac{270}{10}$

Simplify:

y= 27

Therefore, the second quantity value i.e,y = 27

7 0

3 years ago

Read 2 more answers