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Mila [183]
2 years ago
9

HELP

Mathematics
1 answer:
Alinara [238K]2 years ago
3 0

Answer:

let Karen's music library be represented by K

let Clarann's music library be represented by C

C = K +18

C +K =40

put C = K +18 into (C +K =40)

K + 18 +K =40

2K +18 = 40

collect like terms

2K =40 -18

2K =22

divide both sides by 2

K =11

since C = K+18

C= 11 +18

C =29

Karen's music library contains 11 playlists while Clarann's music library contains 29 playlists

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Given the function: g(x) = 2x3 – 4x2 – 30x
MariettaO [177]

Answer:

2x(x2-2x-15)

2x(x-5).(x+3)=0

x=0

x=5

x=-3

Step-by-step explanation:

8 0
3 years ago
Check the screenshot for the question. 25 POINTS
svet-max [94.6K]

Answer: Y = -10

Step-by-step explanation:

-x + y = -27

-17 + y = -27

+17 +17

Y = -10

You can also check your work by plugging in the X and Y values and it should equal -27 . So -17 + -10 equals -27.

4 0
3 years ago
XYZ Software employed three different salespeople last year. Person 1
faltersainse [42]

Answer:

Total FUTA : $669.6

Step-by-step explanation:

Given the information

  • Person 1 earned $3900 in the first quarter  
  • Person 2 earned $20100 in the first quarter  
  • Person 3 earned $6900 in the first quarter

As we know, FUTA is short for Federal Unemployment Tax Act, and the FUTA tax rate is 6.2% applied to a maximum cumulative earnings of $7,000.

So in this situation, only person 1 and 2 must pay FUTA tax because ther earning are lower than $7,000.

  • Person 1: 3900 x 6.2% = $241.8
  • Person 3: 6,900 x 6.2% = $427.8

=> Total FUTA : $669.6

7 0
3 years ago
−7x − 13 = −48 Some one pls answer this
Oksanka [162]

Answer:

-7x -13= -48 (add 13 to both sides)

-7x = -35 (divide both sides by -7)

x= 5 (is your answer)

4 0
3 years ago
Read 2 more answers
A baseball is hit with an initial upward velocity of 70 feet per second from a height of 4 feet above the ground. The equation h
Katyanochek1 [597]
To solve you need to set the equation equal to 6 (the height at which the player caught the ball.

6 = -16t^2 + 70t + 4

Next put the equation in standard form by subtracting 6 from both sides

-16t^2 + 70t - 2 = 0

This equation can be simplified by dividing by 2

-8t^2 + 35t - 1 = 0

This equation cannot be factored, but we can use the quadratic formula to find a value for x. Using the equation above we can find the values for a=-8, b = 35 and c = -1.

using the quadratic formula we can solve for x

-b +/- sqrt(b^2 - 4ac)
-------------------------------
       2a

The solutions are

0.03 and 4.35. as 0.03 seems an unrealistic time to hit and catch a baseball we would expect the time to be 4.35 seconds.
8 0
3 years ago
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