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Feliz [49]
3 years ago
6

3x^2+4x-4 X-Factor Method

Mathematics
1 answer:
AlexFokin [52]3 years ago
6 0

Answer:

(3x - 2)(x + 2)

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62.71 would be the answer
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Chris and his brother leave the same point and run in opposite directions on a straight road. After running for 3 Hours they are
ikadub [295]
<span>Chris' average speed is 3.5mph: Lets take Chris' brother speed = B then Chris speed = (B+ 1) mph-------given in the question and: The average speed for covering 18 miles= chris' average speed + his brother's average speed = (B+ 1) + B since Speed = Distance covered / time taken then average speed for 18 miles can also be found by: 18 miles/3 hours = 6 miles per hour then we have; (B+ 1) + B = 6mph (B +1) = (6-B) B+B = 6-1=5 2B=5 B=5/2=2.5 mph (this is Chris' brother average speed) Hence Chris' average speed is = B+1= 2.5+1= 3.5mph</span>
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3 years ago
Find a number which decreased by 12 equals 3 times it’s opposite
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Answer:

The number is 3.

Step-by-step explanation:

To find : A number which decreased by 12 equals 3 times it’s opposite ?

Solution :

Let the number be 'x'.

It's opposite is '-x'.

A number which decreased by 12 equals 3 times it’s opposite

i.e. x - 12 = 3(-x)

Solving the equation,

x-12=-3x

x+3x=12

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x=\frac{12}{4}

x=3

Therefore, the number is 3.

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I need help with this question
mariarad [96]

Answer:

133

Step-by-step explanation:

Answer is 133

6 0
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Read 2 more answers
Help please. If answer is good i'll mark brainliest ;)
Mariulka [41]

You can't cheat you can't ask someone for help and ask for answers ;-;

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