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Daniel [21]
4 years ago
5

Question 5 ...............................

Mathematics
1 answer:
Gala2k [10]4 years ago
8 0

Answer:

x² + 4x + 3

Step-by-step explanation:

Supose answer A is true...

Because the division of

{ (x -5) * (x² + 4x + 3) } / (x -5) = (x² + 4x + 3)

.... you should only have to check if

(x -5) * (x² + 4x + 3) = x³ - x² - 17x - 15

That is what to do:

(x -5) * (x² + 4x + 3)

using FOIL method you get...

x³ + 4x² + 3x - 5x² -20x - 15

x³ + (4x² - 5x²) (-20x + 3x) - 15

and this is exactly x³ - x² - 17x - 15

Hence Answer A is correct.

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Complete the following statement to illustrate the additive inverse property. 7/9+(-7/9)=?
geniusboy [140]

Answer:

7/9 + (-7/9) = 0

Step-by-step explanation:

Definition of additive inverse:

Two numbers are additive inverses if their sum is zero.

For example, 2 and -2 are additive inverses since 2 + (-2) = 0.

Now your problem:

7/9 + (-7/9) =

7/9 and -7/9 are additive inverses.

Therefore, their sum is 0.

7/9 + (-7/9) = 0

4 0
3 years ago
Help please I'll give a brainliest!!!
ahrayia [7]
C = 2 * pi * r
C = 2 * pi * 18
C = 36pi or C
6 0
3 years ago
Read 2 more answers
Concert marketing: The college’s performing arts center wanted to investigate why ticket sales for the upcoming season significa
matrenka [14]

Answer:

Correct options are A,B,D:

  • The sample needs to be random, but we don't know if it is.
  • The actual count of community residents who received the concert brochure by mail is too small.  
  • n(1 minus p‐hat) is not greater than 10.

Step-by-step explanation:

Concert marketing: The college’s performing arts center wanted to investigate why ticket sales for the upcoming season significantly decreased from last year’s sales. The marketing staff collected data from a survey of community residents. Out of the 110 people surveyed, only 7 received the concert brochure in the mail.

4 0
3 years ago
What is the slope of the line whose equation is y-4=5/2(x-2)
marishachu [46]

For this case we have that by definition, the equation of the line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have the following equation:

y-4 = \frac {5} {2} (x-2)

Algebraically manipulating we have:

y-4 = \frac {5} {2} x- \frac {5 * 2} {2}\\y-4 = \frac {5} {2} x- \frac {10} {2}\\y-4 = \frac {5} {2} x-5\\y = \frac {5} {2} x-5 + 4\\y = \frac {5} {2} x-1

Thus, the slope of the line is \frac {5} {2}

Answer:

The slope of the line is \frac {5} {2}

5 0
3 years ago
Find the value of y in this equation: 16y = 164
torisob [31]
Well 16/16 cancels out so then if you use the divsion proper then you divide on the other side too, so 164/16 is 10.25. THE answer is 10.25
3 0
4 years ago
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