3 years ago

A bag with

1 answer:

4 0

Since you have 8 marbles of a color other than white, and only two white marbles your chance of getting a white marble at random is 2/10.

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MrRa [10]

Ella bought 8 keychains. She spent 4 dollars on each KeyChain. Hope this helps

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3 years ago

ra1l [238]

Answer: $12\ \text{min}$

Step-by-step explanation:

Given

It takes 20 min and 30 min for a person and his friend to paint a wall individually i.e.

In 1 min they cover $\frac{1}{20}$ part and $\frac{1}{30}$ part of wall respectively.

If the work together, 1 minute work is

$\Rightarrow \dfrac{1}{20}+\dfrac{1}{30}\\\\\Rightarrow \dfrac{3+2}{60}\\\\\Rightarrow \dfrac{5}{60}$

Time required will be reciprocal of it

$\Rightarrow \dfrac{60}{5}=12\ \text{min}$

3 0

3 years ago

telo118 [61]

Answer:

Step-by-step explanation:

<u>Multiplying a positive and a negative</u> number will gives us a negative number

-412 *212 = - 87,344

8 0

3 years ago

Rina8888 [55]

She done better at the 2nd test because she only got 4 wrong but on the first test she got 6 wrong.

7 0

3 years ago

Vilka [71]

She will get 3 because if you multiply 1/8 and 3 you will get an answer of 3/8

4 0

3 years ago