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Sladkaya [172]
3 years ago
7

Please answer this question ASAP! 25 points

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0

Answer:

(2p + r + 7) × (p + 9)

Step-by-step explanation:

Length: 2p + r + 7

Width: p + 9

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3 years ago
Solve for a: a(a-3) =100
marissa [1.9K]
a(a-3) =100\\
a^2-3a-100=0\\
\Delta=(-3)^2-4\cdot1\cdot(-100)=9+400=409\\
\sqrt{\Delta}=\sqr{409}\\
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a_2=\dfrac{-(-3)+\sqrt{409}}{2\cdot1}=\dfrac{3+\sqrt{409}}{2}
5 0
3 years ago
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 42.9%. the differen
fenix001 [56]
Let
 x = number of common cars
 y = number of suvs
 we can write the following system of equations
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 x = 1.429y
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 1.429y-y = 12
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 y = (12) / (1,429-1) = 27.97202797
 then,
 x = 1429 * (27.97202797)
 x = 39.97202797
 answer
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6 0
3 years ago
-29 19/40 as a decimal
Mariulka [41]
19 divided by 40 is .475 so it’s -29.475
7 0
3 years ago
C is between B and D <br> BC = 8x +13<br> CD= 12x -73<br> BD =320 <br> find the value of x
pentagon [3]

Answer:

..

...

Step-by-step explanation:

..

7 0
3 years ago
Read 2 more answers
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