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gayaneshka [121]
3 years ago
10

Determine the value of the expression 60-(9 / 3)^2+15

Mathematics
1 answer:
V125BC [204]3 years ago
3 0

Answer:

its 66 :)

Step-by-step explanation:

I used a calculator:D

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The seamstress can cut 36, 15-inch pieces of ribbon from 5 rolls of 9 foot long ribbon.
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Henry just got a job at the mall. His job pays an hourly rate of $10.25.
nadezda [96]

Answer:

A. He will have to work 40 hours to buy the headphones

B.  1200 ≤ 10.25x ≤ 2000    where x is # of hrs worked

He can work anywhere between 118 and 196 hours.

Step-by-step explanation:

A. Divide 399.95 by 10.25 to get 39.01 hours. But since you cant work 0.01 of an hour, you have to round up to the next hour

B. You want to make more than or equal to 1200, so put that in the inequality. You want to make less or equal to 2000, so you put that in the inequality. In the middle, you put 10.25 an hour multiplied by the number of hours, which is a variable.

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To solve for the highest number on the spectrum, you do 10.25x = 2000, and x equals 195.12, but since you cant work 0.12 of an hour, it rounds up to 196 hours.

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1 year ago
Which equation could be used to find the height of the flagpole
Sauron [17]
X = height of pole (in meters)

With respect to the 50 degree angle, the side x is the opposite leg. It is the leg furthest from the reference angle. The hypotenuse is 5 meters. 

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x = 5*sin(50)

------------------

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cos(angle) = adjacent/hypotenuse
cos(40) = x/5
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x = 5*cos(40)

This expression is listed. The answer is choice B

4 0
2 years ago
Use synthetic division to solve (x^3+1)/(x-1). What is the quotient?
Sav [38]

Answer:

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Step-by-step explanation:

See below for the tableau. The quotient is x^2 +x +1.

___

The remainder is 2.

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