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dangina [55]
3 years ago
14

(3y^2+4y+4)-(7y^2+3y-6)

Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

plz mark brainliest if it helps

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If PQ = 6x - q and PR = 15x - 29, then QR =?
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\begin{gathered} PQ=6x-1 \\ PR=15x-29 \\ QR=? \\ QR=PR-PQ \\ QR=15x-29-(6x-1) \\ QR=15x-29-6x+1 \\ QR=9x-28 \\ 2PQ=PR \\ 2(6x-1)=15x-29 \\ 12x-2=15x-29 \\ 12x-15x=-29+2 \\ -3x=-27 \\ x=\frac{27}{3} \\ x=9 \\ QR=9(9)-28 \\ QR=81-28 \\ QR=53 \\ \text{The value of QR is 53} \end{gathered}

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3 years ago
What is 4and2/14 as an improper fraction in lowest terms
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6 0
3 years ago
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15 × u= 135<br> ---------------
NARA [144]

Answer:

15u = 135

Divide both sides by 15

u = 135/15 = 9

U is equal to 9

Hope this helps!

8 0
3 years ago
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Hello, I need help with this, you can put the operation <br><br> (1/2) +7 + (- 2) + (- 3/2) +2
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-2 and+2 =0
1/2 -3/2= -2/2 or -1
7-1=6
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