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maw [93]
3 years ago
9

If x -9 is a factor of x^2 -5x-36 , what is the other factor ?

Mathematics
1 answer:
faust18 [17]3 years ago
3 0

Answer:

(x + 4) (x - 9)

Step-by-step explanation:

Factor the following:

x^2 - 5 x - 36

The factors of -36 that sum to -5 are 4 and -9. So, x^2 - 5 x - 36 = (x + 4) (x - 9):

Answer: (x + 4) (x - 9)

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A random telephone survey of 1021 adults (aged 18 and older) was conducted by Opinion Research Corporation on behalf of Complete
Wewaii [24]

Answer:

a. See attachment below

b. 613 people

c. Categorical

Step-by-step explanation:

a. View attachment below

b.

Given

Total Number of People Surveyed = 1021

X tax return by professional / Number of People Surveyed = 60%

X tax /1021 = 0.6

X tax = 0.6 * 1021

X tax = 612.6

X tax = 613------ Approximated

So, the number of people used an accountant or professional tax preparer are 613.

c.

The data for preparing a tax return will be considered as categorical as the methods for a person to file his/her tax returns are categorized into four which are:

1.Electronically

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7 0
3 years ago
It would be appreciated if there could be an explanation along the answer
soldi70 [24.7K]

Answer:

i think probably 80°

Step-by-step explanation:

PQ = RS

2x+3 = 4x-3

x = 3

PTQ = RTS

9y-3x-1 = 5x+7y-5

2y-8x = -4

y-4x = -2

y-4(3) = -2

y-12 = -2

y = -2+12

y = 10

so PTQ = 9y-3x-1

9(10)-3(3)-1

90-9-1

80°

8 0
2 years ago
Got a fairly simple looking system of equations, 2k+4y=20, and 3x+6y=30 Don't understand how to prove what values of k provide -
Leya [2.2K]

Answer:

2kx+4y=20 ⇒ kx+2y=10

3x+6y=30 ⇒ x+2y= 10

k is the coefficient of x, so it is the slope of the line

  • when k=1, both equations will be same, then there are many solutions
  • when k=0 there is one solution
  • when k is anything different, then the lines will be parallel, so no solutions
6 0
3 years ago
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