3 years ago

Help with some homework please

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

8 0

Sorry I don’t get this one anymore ???

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7+4u=70-3u<br> What is U

ruslelena [56]

$7+4u=70-3u \\ 7+4u+3u=70-3u+3u \\ 7+7u=70 \\ 7-7+7u=70-7 \\ 7u=63 \\ 7u/7=63/7 \\ u=9$
u=9 is your answer.
Hope this helps!

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3 years ago

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The perimeter of a rectangle is 15x + 17y. If the length is 7/2x + 7y then find the width of the rectangle.

EastWind [94]

Answer:

84 c. –25 6. 119 7. –28 36 8a. 4 b. 52 LESSON EI.B: ANSWERS 709 Topic EI .... The length is 11 inches, and the width is 7 inches. ... 15x – 10 = 2x + 6 1 5 10. x = 1 11. y = 8x – 5 12. x = y + 8 8 49. .... 5xy 3 – 17x 2y + 8xy + 16x 3y – 7x 10. x 3y 2z – 10x 2y + 14x 2z + 3xy 2 – 25xz 2 LESSON ... 2 > y > –5 F a 4x 3 y 5 4y 3 x 22.

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If f(x)=1/9x-2 what is f^-1(x)

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3 years ago

I DONT WANT HOW TO DO IT JUST THE ANSWER- DO BOTH

leva [86]

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a) 1200

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