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yan [13]
3 years ago
7

One of the factors of x² - x – 6 is How do i work this out on paper?

Mathematics
2 answers:
rewona [7]3 years ago
4 0
X^2 -x- 6 equals (x-3)(x+2). Just look at the negative six and think, what two numbers give me this? Then, get a pair of what you find, and see if the two numbers added equal to negative one (which comes from the negative "x" as the coefficient is always 1). That's how you get -3 and +2.
Ulleksa [173]3 years ago
3 0
Could you re-write that for me?
I'm not sure I'm understanding it right.

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Marco earns $36.50 per hour show that the relationship between the amount he earns and the number of hours he works is proportio
Korolek [52]

To establish this equation we first need to assign some variables.

Let us assign x as the number of hours he has worked

and assign y as the total amount of money that he has earned

Therefore the equation y=36.50x is the equation that correctly represents how much money he makes regardless of how many hours he works.  Just plug in how many hours you want for x and then solve the equation and you will get how much money he makes in x amount of hours.  This is also proportional because for every hour that he works he gets the same salary of 36.50.  It is proportional because no matter how many hours he works the salary will go up the same amount for each extra hour he works.  The proportion is 36.50 dollars per hour worked.

3 0
3 years ago
Ramón and Merissa are driving to New York City after college. The first 300 miles they spend $12.50 on gas.
Ganezh [65]

Answer:

Step-by-step explanation:

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4 0
3 years ago
Given: 6g+4a=7a<br> prove: g/a=1/2
Likurg_2 [28]

Answer:

Step-by-step explanation:

6g + 4a = 7a

⇔ 6g = 7a - 4a

⇔ 6g = 3a

Divide both side by 6a

⇒ \frac{6g}{6a} =  \frac{3a}{6a} ⇔ \frac{g}{a} = \frac{1}{2}

I hope this will help you.

3 0
3 years ago
A table decreased in price by 3/5. After the reduction it was priced at 40. What was the original price of the table
Andrei [34K]

Answer:

64?

Step-by-step explanation:

3/5= 40

40:5=8

8 x 3=24

24 x 40=64

dunno if it's really correct so....

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3 years ago
If a bus traveled 160 miles in 4 hours, what was the average speed in miles per hour
sashaice [31]
160/4 = 40 mph so that would be the answer simply divide
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2 years ago
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