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Lostsunrise [7]
3 years ago
9

QUICK ALGEBRA 2 HELP PLEASE. NEEDED ASAP! 3 Q'S!

Mathematics
1 answer:
Goshia [24]3 years ago
7 0
 1.              x -    4
x - 6|x² - 10x + 24
     - (x² -  6x)
               -4x + 24
             - (4x + 24)
                          0
The answer is C.

2. A. 9x² + 12x - 3
        3(x²) + 3(4x) - 3(1)
        3(x² + 4x - 1)

    B. 9x² + 3x - 5
        Not Factored

    C. 6x² + 10x - 4
        2(3x²) + 2(5x) - 2(2)
        2(3x² + 5x - 2)
        2(3x² + 6x - x - 2)
        2(3x(x) + 3x(2) - 1(x) - 1(2))
        2(3x(x + 2) - 1(x + 2))
        2(3x - 1)(x + 2)

    D. 6x² + 7x - 6
         Not Factored

The answer is C.

3.                  3x³ - 4x² + 3x - 6
   x + 2|3x⁴ + 2x³ - 5x² + 0x - 4
         - (3x⁴ + 6x³)
                     -4x³ - 5x²
                  - (-4x³ - 8x²)
                               3x² + 0x
                            - (3x² + 6x)
                                       -6x - 4 
                                    - (-6x - 12)
                                                8
The answer is A.
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nlexa [21]

<u>Answer:</u>

  • x = 3

<u>Step-by-step explanation:</u>

  • -3(-3x - 7) = 48
  • => 9x + 21 = 48
  • => 9x = 48 - 21
  • => 9x = 27
  • => x = 3

<u>Conclusion: </u>

Therefore, the answer is 'x = 3'.

Hoped this helped

BrainiacUser1357

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3 years ago
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What is the regular price of the jacket?
fomenos
Hello There!

It would be $60

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Anna007 [38]

Answer:

y=26, x=-3

Step-by-step explanation:

3x+y=17

3x+y-y=17-y

3x=17-y

Divide both sides by 3

Simplify

\frac{17-y}{3}+2y=49

\frac{17-y}{3}\cdot \:3+2y\cdot \:3=49\cdot \:3

17-y+6y=147

17+5y=147

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There are 15 marbles in a bag. Three marbles are red, two marbles are blue, four marbles are green, and six marbles are yellow.
Vesnalui [34]

Answer:

6/15 is probability

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The monthly electrical utility bills of all customers for the Far East Power and Light Company are known to be normally distribu
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Answer:  0.9996

Step-by-step explanation:

Given : The monthly electrical utility bills of all customers for the Far East Power and Light Company are known to be normally distributed with  a mean \mu=$\ 87.00

Standard deviation : \sigma=$\ 36.00

Sample size : n=100

Let X be the random variable that represents the electricity utility bill for a randomly selected month .

z-score : z=\dfrac{X-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For X = $75.00

z=\dfrac{75.00-87.00}{\dfrac{36}{\sqrt{100}}}\approx-3.33

Now, the probability that the average bill for those sampled will exceed $75.00 will be :-

P(X>75)=P(z>-3.33)=1-P(z\leq-3.33)\\\\=1-  0.0004342=0.9995658\approx0.9996

Hence, the probability that the average bill for those sampled will exceed $75.00 =0.9996

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