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photoshop1234 [79]
3 years ago
5

Which is the "The sum of 4 times a number and 7" as an algebraic expression?

Mathematics
2 answers:
IrinaK [193]3 years ago
8 0
The Answer is A because you are multiplying 4 into the a number (x) and 7 in the parentheses
ZanzabumX [31]3 years ago
8 0
ITs a because u is timing the number that is reduce
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Step-by-step explanation:

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3 years ago
A rectangular prism with a volume of 2 cubic units is filled with cubes with side lengths of 1/4​ unit. How many 1/4 unit cubes
34kurt

Answer:

128

Step-by-step explanation:

Method A.

The volume of the prism is 2 cubic units.

Each cube has side length of 1/4 unit.

The volume of each cube is (1/4)^3 cubic unit.

The volume of each cube is 1/64 cubic unit.

To find the number of cubes that fit in the prism, we divide the volume of the prism by the volume of one cube.

(2 cubic units)/(1/64 cubic units) =

= 2/(1/64)

= 2 * 64

= 128

Method B.

Imagine that the prism has side lengths 1 unit, 1 unit, and 2 units (which does result in a 2 cubic unit volume.) Since each cube has side length 1/4 unit, then you can fit 4 cubes by 4 cubes by 8 cubes in the prism. Then the number of cubes is: 4 * 4 * 8 = 128

4 0
2 years ago
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LUCKY_DIMON [66]
First, isolate the x:

5x-2x= 2-3

Then solve!

3x= -1
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Hope this helps!
4 0
3 years ago
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snow_lady [41]
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3 years ago
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Answer:

Step-by-step explanation:

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