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frozen [14]
2 years ago
6

Let f(x) = 5x^3 -2x and g(x) =3x^3. Find f(x) * g(x) & state the domain

Mathematics
1 answer:
Sedbober [7]2 years ago
6 0

Answer:

f(x) × g(x)  = 15x^6 - 6x^4

Step-by-step explanation:

hello :

f(x) = 5x^3 -2x and g(x) =3x^3.

f(x) × g(x)  = 3x^3(5x^3 -2x) = 15x^6 - 6x^4

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A stadium has 50,000 seats. Seats sell for $25 in section A, $20 in section B, and $15 in section C. The number of seats in sect
Novay_Z [31]

Answers:

section A = 25,000 seats

section B = 14,200 seats

section C = 10,800 seats

Your teacher may want you to leave out the commas from each number.

=============================================================

Work Shown:

  • A = number of seats in section A
  • B = number of seats in section B
  • C = number of seats in section C

A = B+C

A+B+C = 50,000

B+C+B+C = 50,000

2(B+C) = 50,000

B+C = 50,000/2

B+C = 25,000

C = 25,000 - B

25A + 20B + 15C = 1,071,000

25(B+C) + 20B + 15C = 1,071,000

25(25,000) + 20B + 15(25,000 - B) = 1,071,000

625,000 + 20B + 375,000 - 15B = 1,071,000

1,000,000 + 5B = 1,071,000

5B = 1,071,000 - 1,000,000

5B = 71,000

B = (71,000)/5

B = 14,200 is the number of seats in section B

C = 25,000 - B

C = 25,000 - 14,200

C = 10,800 is the number of seats in section C

A = B+C

A = 14,200 + 10,800

A = 25,000 is the number of seats in section A

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

Check:

A+B+C = 25,000+14,200+10,800 = 50,000

5 0
2 years ago
What is the length of the hypotenuse of the triangle when x=7?
Anika [276]

Answer:

c=57.8

Step-by-step explanation:

6*7+4=46

5*7=35

c= 46^2+35^2=57.80138

7 0
3 years ago
A ball is thrown into the air from a height of 4 feet at time t = 0. The function that models this situation is
Aleksandr-060686 [28]

Answer:

B, D, B, D

Step-by-step explanation:

4 0
2 years ago
Will mark Brainliest!!!!
Zinaida [17]

Answer:

  1. Parallel
  2. Neither parallel nor perpendicular ​
  3. Perpendicular

Step-by-step explanation:

<u>Given line m:</u>

  • y = 4/5x - 3

<u>Relationship of line m with following lines:</u>

1.<u> y = 4/5x + 3</u>

  • Same slope, different y-intercept
  • Parallel

2. <u>y = -4/5x + 3</u>

  • Slope are negative, different y-intercept
  • Neither parallel nor perpendicular ​

3. <u>y = - 5/4x + 3</u>

  • Slopes are negative-reciprocal, different y-intercept
  • Perpendicular
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2 years ago
Please helpppp:////!!!
Flauer [41]
I believe the answer is C>=1,499.
3 0
3 years ago
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