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Ksju [112]
4 years ago
8

Which value of x satisfies both -9x+4y=8 and -3y-y=4

Mathematics
1 answer:
NNADVOKAT [17]4 years ago
7 0
Here x should be -4/3 to satisfy both equations.
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The container that holds the water for the football team is 2/9 full. After pouring in 12 gallons of water, it is 2/3 full. How
Luden [163]

Answer:

27 gallons

Step-by-step explanation:

Our equation is: \frac{2x}{9} +12 = \frac{2x}{3}

What do we need to find: x

We need to first find x, so lets find x first.

12 =  \frac{2x}{3}  -  \frac{2x}{9}

=> 12 = \frac{6x}{9} - \frac{2x}{9}

=> 12 = \frac{4x}{9}

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Lets go back to our equation.

\frac{2(27)}{9} +12 = \frac{2(27)}{3}

We are going to simplify this before solving this. We are going to get:\frac{54}{9} +12 = \frac{54}{3}

=> 18 = 18

Therefore, we found x and we checked that our x value is correct. Now, we need to find how many gallons can the container can hold.

\frac{3x}{3} = a                                                           [a = gallons can the container hold]

=> x = a

Basically that means the container can hold 27 gallons of water.

Please give me brainliest if this is helpful ;D

4 0
3 years ago
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The length of a rectangle is 5 m more than twice the width of the rectangle . Length = Width =​
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Answer:

42

Step-by-step explanation:

L=2W+5

LW=42

(2W+5)W=42

2W^2+5W-42=0

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2W-7=0

2W=7

W=3.5 ANS.

L=2*3.5+5=7+5=12 ANS.

PROOF:

3.5*12=42

42=42

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Answer:

3, 4, Point R to Point Q, and depression from Point Q to Point R

Step-by-step explanation:

......

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3 years ago
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