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SSSSS [86.1K]
3 years ago
11

PLEAAAAAAASE HELP MIDTERM!! GOTTA GET RIGHT!

Mathematics
1 answer:
Zanzabum3 years ago
8 0
Just add up the two functions
(f+g)(x)=(7x^3-2x-12)+(-3x^3-8x^2+10x)
(f+g)(x)=4x^3-8x^2+8x-12
unfortunately you choice isn't correct. it's the fourth choice
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The roller on a computer printer makes 2200 revolutions per minute. what is its angular velocity?
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(2200 rev/min) x (360 deg/rev) x ( min/60 sec) = 13,200 degrees per second

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8 0
3 years ago
Point B has coordinates ​(2​,1​). The​ x-coordinate of point A is negative 1. The distance between point A and point B is 5 unit
Gwar [14]

Answer:

A = (-1,5) or  (-1,-3)

Step-by-step explanation:

A = (-1,y)    B = (2,1)

 

(Distance from A to B) = √[(-1-2)² + (y-1)²] = 5

                                    =√[9 + y² - 2y + 1] = 5

Squaring on both sides

                                     =  y² - 2y + 10 = 25

                                       =y² - 2y -15 = 0

                                      = (y-5)(y+3) = 0

                                         y = 5 or -3

Therefore, A = (-1,5) or  (-1,-3)

6 0
3 years ago
Read 2 more answers
Is 14/15 bigger than 4/5
liraira [26]

Answer:

Yes

Step-by-step explanation:

Multiply 4/5 so that they have a common denominator.

14/15 > 12/15 (4/5)

8 0
3 years ago
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Answer:

x= 1 :))

Step-by-step explanation:

6 0
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san4es73 [151]

Answer:

125/1000 and no hes not correct

Step-by-step explanation:

6 0
3 years ago
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