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3 years ago

14

16x squares + 7x squared

1 answer:

anyanavicka [17]3 years ago

5 0

Answer:

23x^2

Step-by-step explanation:

When adding variables, if they have the same exponent then all that needs to be done is add the constants. In this case both have x^2 so the answer is 23x^2. Hope this helps! :)

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Answers for both boxes please :)

NISA [10]

Answer: (-2;8)

$\left \{ {{3x+3y=18} \atop {2x+y=4}} \right. \\\\\left \{ {{x+y=6} \atop {2x+y=4}} \right. \\\\=>\left \{ {{x=4-6} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {y=6-(-2)=8}} \right.$

Step-by-step explanation:

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2 years ago

What is the volume of a cereal box that measures 2 inches by 7 inches by 11 inches?

Juliette [100K]

Answer:

154 in^3

Step-by-step explanation:

to find a volume of a rectangular prism all you have to do is multiply the length, width and height

so for this

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2 years ago

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aksik [14]

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10. An expression is shown.

dolphi86 [110]

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Step-by-step explanation:

simplify

0.5n+0.3-0.75n-0.45

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9 months ago

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iVinArrow [24]

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Step-by-step explanation:

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2 years ago

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