3 years ago

What is the answer to this question

Mathematics

1 answer:

My name is Ann [436]3 years ago

5 0

It would be helpful if the picture showed the entire question

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Let a=3/5 and let b=2/3. Compute a^2b^-3.

Amanda [17]

Answer: 81/100

Step-by-step explanation:

I don't guarantee you I am right but..

first, solve for the exponents after substituting the numbers in

3/5 x 3/5 is 9/25

since b's exponent is negative, you change the fraction into its reciprocal and then do it with the exponent but positive

2/3^-3 to 3/2^3 and 3/2 x 3/2 is 9/4

then you mutiply both numbers to get 9/4 x 9/25 is 81/100

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2 years ago

Determine whether the graphs of y=-7x-4 and -y=7x+4 are parallel, perpendicular, coincident or none of these

horsena [70]

we are given

$y=-7x-4$

$-y=7x+4$

we can multiply -1 on both sides of second equation

$-1*-y=-1(7x+4)$

$y=-7x-4$

we can see that

both equations becomes same

so, they are coincident............Answer

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If you travel 425 miles on 12.6 gallons of gasoline, how many miles per gallon did your car get? Please explain how you figured

oee [108]

Answer:

Step-by-step explanation:

Lets see... Miles per gallon...Miles/gallon...425 miles/12.6 gallons = 33.73 miles/gallon = 33.73 miles per gallon

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