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AlexFokin [52]
3 years ago
7

Does anyone know the answer for the question below.

Mathematics
2 answers:
Korolek [52]3 years ago
8 0

x³ + x² - x - 10 =

= x³ - 2x² + 3x² - 6x + 5x - 10

= x²(x - 2) + 3x(x - 2) + 5(x - 2)

= (x - 2)(x² + 3x + 5)

(x - 2)(x² + 3x + 5)/(x - 2)

= x² + 3x + 5

taurus [48]3 years ago
5 0

Answer: option D is the answer

Step-by-step explanation:

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If h(x) = (f o g)(x) and h(x) = sqrt(x+5), find g(x) if f(x) = sqrt(x+2)
agasfer [191]

Answer:

  • g(x) = x + 3

Step-by-step explanation:

<h3>Given</h3>
  • h(x) = (f ο g)(x)
  • h(x) = \sqrt{x+5}
  • f(x) = \sqrt{x+2}
<h3>To find</h3>
  • g(x)
<h3>Solution</h3>

<u>We know that:</u>

  • (f ο g)(x) = f(g(x))

<u>Substitute x with g(x) and solve for g(x):</u>

  • \sqrt{x+5} = \sqrt{g(x)+2}
  • x + 5 = g(x) + 2
  • x + 3 = g(x)
  • g(x) = x + 3
7 0
3 years ago
A leprechaun places a magic penny under a​ girl's pillow. The next night there are 2 magic pennies under her pillow. Each night
viktelen [127]

Answer:

$665.36

Step-by-step explanation:

2^16 or...

2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2 = 66536 pennies

3 0
3 years ago
HELP NEED HELP !<br><br> 1 + 1 = ?
goldenfox [79]

Answer:

2  ;-;

Step-by-step explanation:

7 0
3 years ago
8/9 + 2/3 + 1/6 = PLeASe HeLp<br><br>A. 11/8<br><br>B. 11/15<br><br>C. 1 13/18<br><br>D. 1 2/9
blondinia [14]

Answer:

C. 1 13/18

Explanation:

7 0
3 years ago
15 points please help!! :)<br> Find the value of x.
andriy [413]

Answer:

Question 4: -11

Question 5: -7

Step-by-step explanation:

Four

Every triangle has 180 degrees.

So all three angles add to 180

<em><u>Equation</u></em>

60 + 80 + x + 51 = 180

<em><u>Solution</u></em>

Combine the like terms on the left. This is the first time I've seen x be a negative value. Almost all of the time it isn't, which should make you wonder.

191 + x = 180    

Subtract 191 from both sides.

191 - 191 + x = 180 - 191

x = - 11

Five

If a triangle is a right triangle and one of the angles is 45, then so is the other one.

<em><u>Proof</u></em>

a + 45 + 90 = 180         Combine like terms on the left

a + 135 = 180                Subtract 135 on both sides.

a + 135-135=180-135    Combine the like terms

a = 45

<em><u>Statement</u></em>

That means 52 + x = 45 and here is another negative answer. Subtract 52 from both sides

52 - 52 + x = 45 - 52    Combine like terms.

x  = - 7

6 0
3 years ago
Read 2 more answers
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