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QveST [7]
3 years ago
15

Pls help look at the picture

Mathematics
2 answers:
dangina [55]3 years ago
8 0
First answer is 20 .
alina1380 [7]3 years ago
4 0

Answer:

I Don't Understand How It's Suppose To Be Answer But Both Answers Are False.

Step-by-step explanation:

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Find the solution of this system of equations.
Elenna [48]
<span>-4x + y = -25        y = 4x - 25

-6x - 6y = 0            </span>
 
-6x - 6(4x - 25) = 0
-6x - 24x + 150 = 0
-30x + 150 = 0
-30x = -150
x = 5

y = 4(5) - 25
y = 20 - 25
y = -5

(5, -5)
                       
8 0
3 years ago
Jessica rode 9 miles farther than Roger rode. Let r represent the number of miles Roger rode . Write am expression for the numbe
ikadub [295]
R + 9
Expression would be r+9=j
J represents the miles that Jessica rode. Since Jessica rode 9 miles farther, you must add 9 to the amount that roger rode.
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3 years ago
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Solve the inequality 2x - 3 &lt; x 2 ≤ 3x 5. show your work
Digiron [165]
<span>2x − 3 < x + 2  </span>
<span>∴ x − 3 < 2  </span>
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<span>x + 2 ≤ 3x + 5 </span>
<span>∴ 2 ≤ 2x + 5 </span>
<span>∴ -3 ≤ 2x </span>
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3 years ago
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How do I solve number 4 and 5?
topjm [15]

Answer:

Ummm...

Step-by-step explanation:

4 0
3 years ago
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Slove this question c^2-81=0
Firdavs [7]
To solve a square root, get the ^2 on one side and the 81 on the other side.
add 81 to both sides.

c^2 = 81
to clear the power of 2, take the square root of both sides.
c = + - sqrt81
c = + - 9
c = 9 and c = -9
3 0
3 years ago
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