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Slav-nsk [51]
3 years ago
11

Help please , I need an answer quickly if possible

Mathematics
2 answers:
Semenov [28]3 years ago
6 0

Answer:

The answer is B

RideAnS [48]3 years ago
3 0

Answer:

B.

(f-g)(x) = - 3x^2 -x - 4

Step-by-step explanation:

(f-g)(x) = - 4x^2 -6x -1 - (-x^2 -5x + 3)

(f-g)(x) = - 4x^2 -6x -1 + x^2 + 5x - 3

(f-g)(x) = - 3x^2 -x - 4

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Juanita has 3 rectangular cards that are 8 inches by 9 inches. How can she arrange the cards, without overlapping, to make one l
ivann1987 [24]

Answer:

Step-by-step explanation:

Given  

  • 3 rectangular cards
  • each card is 8 inches by 9 inches

The way that she can arrange the cards, without overlapping, to make one larger polygon with the smallest possible perimeter is that:

Put 3 cards together according to the length

So  the smallest possible perimeter is:

8 + 8 + 8 + 8 + 8 + 8 + 9 + 9 = 66 inches as you can see in the attached photo.

The area of the polygon is equal to the combined area of the 3 cards without overlapping or extending.

Hope it can find you well.

6 0
3 years ago
Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary
Mariulka [41]

Answer: her sales last week was $4300.

Step-by-step explanation:

Let x represent her her sales in a week.

Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. This means that the commission she gets if she makes sales of $x is 0.0825x

She also earns a base salary of $675 per week. The expression for the total earnings for a week in which she made sales of $x would be

0.0825x + 675

if her total earnings for last week were $1,029.75, it means that

0.0825x + 675 = 1029.75

0.0825x = 1029.75 - 675

0.0825x = 1029.75 - 675

0.0825x = 354.75

x = 354.75/0.0825

x = $4300

3 0
3 years ago
If the the area of a bedroom is 90 square feet what is the length and width
Anna [14]
30 x 30........................
6 0
3 years ago
Solve for X:
galben [10]

Answer:

A. -61/9

Step-by-step explanation:

(7x + 28) + (7x +28) = 5x - 5 . . . . . . . given equation

14x +56 = 5x -5 . . . . . . . . . . . . . . . . . collect terms

9x = -61 . . . . . . . . . . . . . . . . . . . . . . . . subtract 5x+56

x = -61/9 . . . . . . . . . . . . . . . . . . . . . . . . divide by the coefficient of x

4 0
3 years ago
Read 2 more answers
You purchase a car using a $20,000 loan with a 5% simple interest rate.
Aliun [14]

Answer: check out MATHPORTAL.com


Step-by-step explanation:


3 0
3 years ago
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