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2 years ago

14

What is the probability that a red marble will be pulled from a bucket of 250 red marbles and 300 blue marbles? Express the answ

er as a reduced fraction.

1 answer:

PolarNik [594]2 years ago

5 0

Answer:

5/11

Step-by-step explanation:

There are 250 red out of 550 total

250 / 550 = 5/11

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Answer: 65°

<u>Step-by-step explanation:</u>

$E=w(t_f-t_o)\\\\E: 10\ cubic\ feet\times \dfrac{1000\ BTU}{1\ cubic\ foot}\times \ 60\%\quad \rightarrow \quad E=6000\ BTU\\\\\\w:50\ gallons\times \dfrac{8\ pounds}{1\ gallon}\quad \rightarrow \quad w=400\ pounds\\\\\\\\E=w(t_f-t_o)\\\\6000=400(t_f-50)\\\\\dfrac{6000}{400}=\dfrac{400(t_f-50)}{400}\\\\.\quad 15=t_f-50\\\\\\.\quad 15=t_f-50\\.\ \underline{+50}\quad \underline{\quad \ +50}\\.\quad 65=t_f$

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3 years ago

How can you find and use absolute value? I can find absolute value by...

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Answer:

Step-by-step explanation: Step 1: Isolate the absolute value expression.

Step2: Set the quantity inside the absolute value notation equal to + and - the quantity on the other side of the equation.

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2 years ago

Write each fraction or mixed number as a decimal.<br> 19/25<br> 311/500<br> 5/8<br> 145/8

DanielleElmas [232]

Answer:

19/25 = 0.76

311/500 = 0.622

5/8 = 0.625

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Step-by-step explanation:

Divide the first number by the second like 145 divided by 18.

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2 years ago

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3 years ago

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In 12 games last season the school baseball team scored 5, 11, 2, 0, 4, 8, 9, 6, 7, 4, 1, and 2 runs. What is the average number

Mashcka [7]

Hello there!

First, we need to put our data set into proper numerical order (least to greatest).

Set: , 1,2,2,4,4,5,6,7,8,9,11

Now, to find the mean, we need to add them all up.

1 + 2 + 2 + 4 + 4 + 5 + 6 + 7 + 8 + 9 + 11 = 59

Then, divide it by how many numbers there are : 12

59 divided by 12 = 4.9166667

Round it to the nearest tenth.

4.9166667 = 4.9

This means the average number of runs scored per game is 4.9 runs.

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3 years ago