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svetlana [45]
3 years ago
7

Raul has 50 coupon books to sell. he must sell at least 10 coupon books to win a prize. the amount of money raul makes from sell

ing x coupon books is represented by a function. f(x)=20xf(x)=20x what is the practical domain of the function? all integers from 10 to 50, inclusive all multiples of 20 between 0 and 1000, inclusive all real numbers all integers from 0 to 50, inclusive
Mathematics
1 answer:
Lana71 [14]3 years ago
6 0
I believe that the answer is: A all integers from 10 to 50 , inclusive
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What is the difference between 4x and x4? Evaluate both of these expressions when X=2
Bezzdna [24]
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
defon

Answer:  84

<u>Step-by-step explanation:</u>

Set up a proportion as follows: \dfrac{\text{students that practice everyday}}{\text{total students}}

\dfrac{7}{12}=\dfrac{x}{144}

Cross multiply: 12x = 7 × 144

Divide by 12:         x = 7 × 12

Simplify:                x = 84

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3 years ago
Find two positive numbers whose difference is 27 and whose product is 874.​
zalisa [80]
46 and 19. 46 x 19 = 874 and 46 - 19 = 27
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Melissa, Juan, Sara, and Marsha.

Hope this helps! :)
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