Eight times the difference of y and nine


Answer 1

Eight times the difference of y and nine will be 8(y - 9).

It should be noted that eight times the difference of y and nine simply means that one has to subtract 9 from y and then multiply the difference by 8.

Therefore, eight times the difference of y and nine will be 8(y - 9).

In conclusion, the correct option is 8(y - 9).

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Answer 2



Step-by-step explanation:

you first solve 8-9, and then multiply is by 8.

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Karen earns $54.60 for working 6 hours. If the amount she earns varies directly with thenumber of hours she works, how many hours would she need to work to earn an
additional $260?



Karen earns $54.60 for working 6 hours.

Amount she earns varies directly with the  number of hours she works.

She need to work to earn an  additional $260.

To find:

Number of hours she need to work to earn an  additional $260.


Let the amount of earnings be A and number of hours be t.

According to question,

A\propto t

A=kt     ...(i)

where, k is constant of proportionality.

Karen earns $54.60 for working 6 hours.


Divide both sides by 6.



Put k=9.1 in (i).


Substitute A=260 in the above equation.


Divide both sides by 9.1.



t\approx 29

Therefore, she need to work extra about 29 hours to earn an  additional $260.

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sin(2x) = 2 sin x cos x \n \n cos(2x) = cos^2 x - sin^2 x
After Substituting:
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Renting a car costs $30 per day, or $600 per month. Renting daily is cheaper for a few days, but after how many days are the two options equal (after which renting monthly is cheaper)?



after 20 days it will be equal

Step-by-step explanation:

i dont have step by step but the problome is 30x20=600

A circle has a center (2, 4). prove that if the radius of the circle is less than 5, then the circle does not intersect the line y=x-6.


Draw a coordinate system, Draw a circle with radius 5 with center part (2,4). Now draw a line of y=x-6 with -6 being the y intercept and see what you get


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Step-by-step explanation:


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= -2a-5a+5b+b-7-4

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Ashley Traveled 10 miles north, then 8 miles east, then 9 miles south on her boat


what’s the rest of the question...?