2 years ago

Find the factors of 9q²-45pq+8q-40p

Mathematics

1 answer:

Elina [12.6K]2 years ago

5 0

Answer:

(x−5y)(9x+8)

Step-by-step explanation:

9x^2−45yx+8x−40y

Do the grouping 9x^2−45yx+8x−40y=(9x^2−45yx)+(8x−40y), and factor out 9x in the first and 8 in the second group.

9x(x−5y)+8(x−5y)

Factor out common term x−5y by using distributive property.

(x−5y)(9x+8)

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Multiply 613 by the reciprocal of −716.

IrinaVladis [17]

=613*-1/716
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Snezhnost [94]

This kind of problems requires to add the working velocities. The total velocity is the sum of the individual velocities.

Anita's velocity = 1 pool/8 hours
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2 years ago

5 + 8n = 7(-7 + 4n) -6

Luba_88 [7]

Answer:

n = 3

Step-by-step explanation:

Given

5 + 8n = 7(- 7 + 4n) - 6 ← distribute parenthesis on right side

5 + 8n = - 49 + 28n - 6 ( subtract 28n from both sides )

5 - 20n = - 55 ( subtract 5 from both sides )

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2 years ago

Carolyn averaged 10.4 miles per hour. At that rate, how far could she ride from 8:00 A.M. to 10:30 A.M.?

Georgia [21]

The answer is 26 miles.

Explanation:

10:30-8:00= 2:30.

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