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maksim [4K]
3 years ago
13

A letter that represents an unknown number

Mathematics
2 answers:
poizon [28]3 years ago
8 0
<span>The word variable represents an unknown number.

Hope this helped.</span>
garik1379 [7]3 years ago
4 0
A variable ex: 8+x=10 x is the variable
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suppose the size of each cube is doubles and the size of the large box is doubled. How many of these new cubes will fit in that
WITCHER [35]

Answer:

5

Step-by-step explanation:

5 + 10

7 0
3 years ago
Add the following lengths: 12'11" + 11'3" ‾‾‾‾‾‾ ' "
solong [7]

Answer:

12'11" + 11'3" = 24'2".

Hope this helps!

Davinia.

4 0
3 years ago
is it possible to find a side length that would be perfect for a square with an area of 45 square units?
Cerrena [4.2K]

If a square has an area of 45 square units its side has a length of

s=\sqrt{45} = 3 \sqrt{5}

units.  Is that a perfect length?  I don't know, but I know it's perfect for a square whose area is 45.


5 0
3 years ago
assume these situations are proportional. write and solve by usinmg a proportion. Everardo paid $1.12 for a dozen eggs at his lo
Bingel [31]
12 eggs for $1.12
3 eggs for $?
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The cost of 3 eggs is $0.28
8 0
3 years ago
What is the answer to x-9=-15+7x
jenyasd209 [6]

Answer:

x=1/4

Step-by-step explanation:

x-9=-15+7x (add x to both sides)

-9=-15+8x (Add 15 to both sides)

6=8x (divide by 8 from both sides)

.75=x in fraction 1/4

x=1/4

4 0
3 years ago
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