3 years ago

Z is twelve less than the sum of x and y

Mathematics

2 answers:

Furkat [3]3 years ago

7 0

X+y-12=z
EXPLANATION:

Kaylis [27]3 years ago

7 0

Answer:

z= (x+y) -12

Step-by-step explanation:

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Find the missing side of the right triangle. Round to the nearest 10th if necessary:

denpristay [2]

M=12.2
(7^2)+(10^2)=149
the square root of 149 is 12.2

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Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per

Hitman42 [59]

plane 1 travels 395 miles in 1 hour

plane 2 travels 422 miles in 1 hour

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to have 2451 miles between then, they'd need to travel

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so in 3 hours, they'll be 2451 miles apart

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3 years ago

4 is the _____ of 4n

murzikaleks [220]

Answer:

4 is the coefficient of 4n

Step-by-step explanation:

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2 years ago

What value of x makes the following equation true?<br> 15+3x=3(2−2x)

Alinara [238K]

Answer:

$\boxed {x = -1}$

Step-by-step explanation:

Solve for the value of $x$ :

$15 + 3x = 3(2 - 2x)$

-Use <u>Distributive Property</u>:

$15 + 3x = 3(2 - 2x)$

$15 + 3x = 6 - 6x$

-Take $6x$ and add it to $3x$ :

$15 + 3x + 6x = 6 + 6x - 6x$

$15 + 9x = 6$

-Subtract both sides by $15$ :

$15 - 15 + 9x = 6 - 15$

$9x = -9$

-Divide both sides by $9$ :

$\frac{9x}{9} = \frac{-9}{9}$

$\boxed {x = -1}$

Therefore, the value of $x$ is $-1$ .

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Can anyone tell me if these answers are right?

k0ka [10]

Answer:

Ummm. 1 & 3 look good double check 2

Step-by-step explanation:

HELPFUL?

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