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3 years ago

A coin jar contains 10 quarters, 6 dimes, and 8 nickels. Find the probability that a dime is chosen at random

Mathematics

1 answer:

Harrizon [31]3 years ago

4 0

Answer:

6/24 - 1/4

Step-by-step explanation:

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Which expression can be used to check the answer to 56 divided by (negative 14) = n?

allochka39001 [22]

D because n= -14 and were dividing 56

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3 years ago

Write an equation of the line that passes through the points (-1,-2) and (5,1)

Volgvan

Answer:

Y=-1/2x ?

Step-by-step explanation:

There might be an y intercept. First find the slope. (Change in y over change in x) -2-1 over -1-5 then you get -3/-6. You can simplify an get -1/2. That forms an equation of y=-1/2x. That might be part of the answer. You still might need to find the y intercept, and I dont know how really. Hope this helps.

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4 years ago

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nydimaria [60]

Answer:

Hello! Your answer would be, 1. B) $X$ $\geq$ 2. A) Number line

Step-by-step explanation:

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3 years ago

Simplify the expression by arranging the steps in sequence, based on the order of operations.

adoni [48]

Answer:

you would go by pemdas so it would be (63x-7x)24-1/7

hope it helps :)

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3 years ago

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THIS QUESTION IS EASY, I JUST NEED EXPLANATION.

chubhunter [2.5K]

It would help to have the question. But I'll guess

$\sqrt[4]{x^{\frac 3 5}}{\sqrt{x^2}} = ((x^{\frac 3 5})^{\frac 1 4}) }{ x} = x^{\frac 3{20}} x = x \sqrt[20]{x^3}$

2nd choice.

I forgot the explanation because I was so glad to have puzzled out the question.

The fourth root is the same as the 1/4 th power.

If we know x is positive $\sqrt{x^2}=|x|=x$

$\sqrt[4]{x^{\frac 3 5}}{\sqrt{x^2}}$

$= ((x^{\frac 3 5})^{\frac 1 4}) }{ x}$

We multiply the powers: $(a^b)^c=a^{bc}$

$= x^{\frac 3{20}} x$

The one-twentieth power is the twentieth root. We bring the additional factor of x to the front.

$= x \sqrt[20]{x^3}$

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4 years ago

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