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Alex787 [66]
3 years ago
13

Factor the following Polynomials 9x^2 - 42x + 49

Mathematics
1 answer:
Allisa [31]3 years ago
6 0

Answer:(3x-7) (3x-7)

Step-by-step explanation:

9x2-42x+49

The two by the 9 is power of 2 so the small two above

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A plant 3 inches tall grows an average of 0.5 inches each month. Which equation models the heigh h after x months
anzhelika [568]

Answer:H = 3 + 0.5x

Step-by-step explanation:

This would be H = 3 + 0.5x

5 0
3 years ago
Pleaseeeee help me with this!!
VikaD [51]

Answer:

The correct option is C.

Step-by-step explanation:

The bike shop owner rents out bikes and scooters.

The cost to rent a bike is $15 plus $8 per hour for each hour the bike is rented.

Rent of bike = Fixed rent + Variable rent

The rent function of a bike is

f(x)=15+8t

Where, t is number of hours.

The cost to rent a scooter is $35 plus $5 per  hour for each hour the scooter is rented.

The rent function of a scooter is

f(x)=35+5t

Where, t is number of hours.

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

So by slope intercept form the rate of change of bike is $8 and rate of change of scooter is 5.

8>5

Therefor option C is correct.

4 0
3 years ago
At the bake sale the students earned $48.81. If there were 3 students how much did each student earn
Contact [7]

Answer:

Each student earned $16.27.

Step-by-step explanation:

48.81 / 3 = 16.27

5 0
3 years ago
Read 2 more answers
1. George want to score at least a 90% on his math tests this quarter. So far his test scores are 88, 97 and
Vika [28.1K]

Answer:

Yes you are correct.

Step-by-step explanation:

The best way to check theese types of questions is go back in plug in X with your answer so 88+97+80+90(which is x)=360 then divide by 4 and get 90! So yes you are correct good job!

6 0
3 years ago
Number 17.
agasfer [191]

2x + By = 15

We solve for y to put the equationj in the y = mx + b form in which b is the y-intercept.

By = -2x + 15

y = -2/Bx + 15/B

The y-intercept is 15/B, and we are told the y-intercept is 5.

15/B = 5

15 = 5B

B = 3

Answer: E. 3

3 0
2 years ago
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