2 years ago

Solve. (3x)^2 - 7y^2 when x = 3 and y = 2

Mathematics

2 answers:

aleksandr82 [10.1K]2 years ago

7 0

81-28-53 the answer is 53

Dennis_Churaev [7]2 years ago

4 0

The answer is 53. you can substitute x and y in equation

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2(w – 3y + 4) + w – 5

melisa1 [442]

Answer: It should be 3w - 6y + 3

Step-by-step explanation:

-Solve:

$2(w-3y+4)+w-5$

-Use Distributive Property:

$2(w-3y+4)+w-5$

$2w-6y+8+w-5$

-Then, combine like terms:

$2w-6y+8+w-5$

$3w-6y+3$

Result:

$3w-6y+3$

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If an object dropped from the height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds. When

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3 years ago

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A store has 40% off sale on headphones. With this discount, the price of one pair of headphones is $36.00

Nataliya [291]

40 % off means we pay 60 % (must total 100%)

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