Mathematics: Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). (3a3 − 5b3) +{ }a3 +{ } b3 = (a3 + b3).

Type the correct answer in each box. use numerals

Ответ:

nina1390

01.01.2022

3a^3-5b^3+xa^3+yb^3=1a^3+1b^3

3z-5v+xz+yv=z+v
3z+xz+yv-5v=1z+v

3z+xz=1z

3+x=1

x=-2

yv-5v=1v

y-5=1

y=6

(3a^3-5b^3)+ -2 a^3 +6 b^3=(a^3+b^3)

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Ответ:

lmimms02

02.05.2021

Mathematics

Let x = the first even number
x + 2 the second
x + 4 the third
x + 6 the fourth
Add together.
x + x + 2 + x + 4 + x + 6 = 92
Combine like terms.
4x + 12 = 92
Subtract 12 from both sides
4x = 80
Divide both sides by 4
x = 20

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Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s).
(3a3 − 5b3) +{ }a3 +{ } b3 = (a3 + b3).

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