I need help with number 16 please.

Mathematics

1 answer:

Ugo [173]2 years ago

8 0

Do it ur self etc so don't ask me

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Which of the following is equal to the rational expression when x*-2 or 3?<br> X^2 +5x+6<br> X^2-X-6

trasher [3.6K]

Answer:

Step-by-step explanation:

x=-2, x=3

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x^2+5x+6=(-2)^2+5(-2)+6=(-2)(-2)-10+6=4-10+6=-6+6=0

x^2+5x+6=3^2+5(3)+6=9+15+6=24+6=30

---------------------------------------------------------------

x^2-x-6=(-2)^2-(-2)-6=4+2-6=6-6=0

x^2-x-6=3^2-3-6=9-3-6=6-6=0

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7 0

2 years ago

❓❗❓❗PLEASE HELP ASAP❓❗❓❗

e-lub [12.9K]

12 is the answer hope it help

6 0

2 years ago

Matt's family rented a car to go on vacation the cost of the rental was $50 plus an additional $0.20 per mile driven his family

bagirrra123 [75]

1) 300miles X $0.20 = $60

2) $50 + $60 = $110

They spent $110 for the car.

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3 years ago

The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t

igomit [66]

<h3>Answer: 78.6</h3>

Work Shown:

$\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}$

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

$\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}$