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gizmo_the_mogwai [7]
3 years ago
12

Solve: Factor the following polynomial completely -9x^2-30x-25

Mathematics
2 answers:
AnnZ [28]3 years ago
5 0

Answer:-(3x+5)^2

Step-by-step explanation:

Korolek [52]3 years ago
3 0

Answer:

(−3x−5)(3x+5)

Step-by-step explanation:

−9x2−30x−25

−9x2−30x−25

=(−3x−5)(3x+5)

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A pound of beans costs $4.70. Mrs. Patel buys 6.5 pounds of beans. How much dose she pay for the beans ?
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An airplane was cruising at 23,000 feet altitude. Due to turbulence it dropped 4,300 feet.Once the air currents leveled off he w
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-700 feet, aka 700 feet below/away from the original cruising altitude

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3 years ago
Trucks are delivering gravel to a construction site each truck hold 7.5 cubic yards of gravel. The weight of 1 cubic yard of gra
Romashka-Z-Leto [24]
The first thing you must do is to calculate the weight of the gravel (w) that the truck holds (7.5 yards³). So, you have:

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 w=11.1 tons

 The problem says that the gravel will be placed in containers that each hold 3.7 tons of gravel,so, If they need 1 cotainer to place 3.7 tons, how many containers they need to place 11.1 tons?

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7 0
4 years ago
Given right triangle ABC with a=50, and m
kramer

Answer:

A=50 B=40 C=90

Step-by-step explanation:

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3 0
2 years ago
Jesse bought 10 more pencils than erasers. A pencil costs $0.15 and an eraser costs $0.22. He paid a total of $4.46. How many er
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“Jesse bought 10 more pencils than erasers”       means    P = 10 + E

 “A pencil costs $0.15”   means that     $0.15*P was spent on pencils

 “an eraser costs $.22”    means that    $0.22*E was spent on erasers

 “He paid a total of $4.46”    means that   $0.15*P + $0.22*E = $4.46

15*(10+E)   +   22*E    =   446

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                          37E = 296

                              E = 8   Jesse bought 8 erasers

8 0
3 years ago
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