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3 years ago

13

Paul and his best friend found some money in an envelope. They split the money evenly, each getting $21. How much money did they

find?

1 answer:

Elena-2011 [213]3 years ago

3 0

Answer:

42

Step-by-step explanation: if they split the money evenly than all you have to do is add 21 plus 21

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The volume of a single layer in a rectangular prism is 18 cubic centimeters. There are 5 layers in this rectangular prism. What

sweet [91]

Answer: $90cm^3$

Step-by-step explanation:

A rectangular prism is a three-dimensional solid.

A rectangular prism has six faces (each one of these faces are rectangles), eight vertices and twelve edges.

You know that this rectangular prism has 5 layers and the volume of one of these layers is 18 cubic centimeters ( $18cm^3$ ).

Assuming that all these layers are equal, the volume of this rectangular prism can be calculated with:

$V_{prism}=5*V_1$

Where $V_1$ is the volume of one layer.

Substituting, you get:

$V_{prism}=(5)(18cm^3)\\\\V_{prism}=90cm^3$

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3 years ago

Seven less than two times a number is 29.

Alexxx [7]

2x-7=29

"Seven less than" => minus 7.
"Two times <u>a number</u>" => 2x (x is the unknown number)
"is twenty-nine" => =29
Putting it all together,

-7 + 2x = 29
or
2x-7=29
(if you were wondering x is equal to 18)

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The base of 14-foot ladder is 6 feet from a building. If the ladder reaches the flat roof, how tall is the building?

nordsb [41]

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2 years ago

Hey there whats 1-100-100-1223-1030 :)

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Step-by-step explanation:

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