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Vika [28.1K]
3 years ago
13

The sum of two numbers is 0. Twice the smaller number subtracted from 3 times the larger number is 10. Let x

Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Step-by-step explanation:

x+y=0

x=-y

or, y=-x

3x-2y=10

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Find the length of RA. A. 42 B. 84 C. 14 D. 7
fiasKO [112]

Answer:

\large \boxed{\mathrm{B. \ 84}}

Step-by-step explanation:

LU bisects RU and UA.

RU=UA

3m+21=6m

Solve for m.

Subtract 3m from both sides.

21=3m

Divide both sides by 3.

7=m

Calculate RA.

RA=3m+21+6m

RA=9m+21

Put m = 7.

RA=9(7)+21

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Answer:

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Step-by-step explanation:

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What is the area of a rectangle with a length of 3in and a with of 5 square root of 2
abruzzese [7]

Answer:

The area of the rectangle = 15√2 in²

Step-by-step explanation:

What is the area of a rectangle with a length of 3in

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FORMULA :

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Then

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Step-by-step explanation:

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