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Vikki [24]
3 years ago
12

Find the quotient of the quantity negative 15 times x to the 2nd power times y to the 6th power plus 50 times x to the 4th power

times y to the 3rd power minus 20 times x to the 2nd power times y all over 5 times x to the 2nd power times y.
Mathematics
1 answer:
AnnZ [28]3 years ago
7 0
So you have: ((-15(x^2)(y^6))+(50(x^4)(y^3))+(20x^2y))/((5x^2)(y))

which simplifies to

(-3y^5)+(10(x^2)(y^2))+4

as there are no like terms and x and y have not been given, this is as far as it can be simplified.
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Answer:

Mary can read one page per two minutes.

Step-by-step explanation:

20 divided by 10 equals two

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PSYCHO15rus [73]

Answer:

Please check the explanation.

Step-by-step explanation:

We know the equation

y = kx

k = y/x

where k is the proportionality constant

so,

First ratio can be calculated as

Miles = 45

Hours = 3/4

The ratio = 45 / (3/4)

                = (45 × 4) / 3

                = 180/3

                = 60

Thus, the proportionality constant = 60

Thus, the remaining ratios can be calculated as:

The Pair (135, Hours)

135/Hours = 60

Hours = 135 / 60

           = 27/12

           = 9/4

           = 2.25

Thus, the pair is (135, 2.25)

The Pair (Miles, 3)

Miles/3 = 60

Miles = 60×3

         = 180

The Pair (90, Hours)

90/Hours = 60

Hours = 90 / 60

          = 3/2

          = 1.5

Thus, the complete table:

Miles           45           135           180             90

Hours           3/4          9/4           3                 3/2

Verification:

Miles / Hour =  45/(3/4) = 60

Miles / Hour = 135 / 2.25 =  60

Miles / Hour = 180 / 3 = 60

Miles / Hour  = 90 / 1.5 =  60      

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