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galben [10]
3 years ago
13

Given the quadratic equation below, determine which situation it could represent.

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0
Answer: option <span>C. A garage door is 6 feet wider than it is tall. The area of one side of the garage door is 146 square feet.

Justification:

Call x the height of the garage door.

Then, the width is x + 6

And the area of one side is height * width = x (x + 6) = x^2 + 6x

That is equal to 146 feet^2

=> x^2 + 6x = 146
</span>
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5x+5+65+65=

Answer:

x=-27

Step-by-step explanation:

We want to find x right, so everything that does not have x you can move to the other side. 5x=-5-65-65. So that should be your equation so far. Now we know that when there are two negatives it is a negative and you add so -5-65=-70-65=-135. So your equation now should be: 5x=-135. Now we can divide -135 with 5 which gives us... -27! There’s your answer. Hope this was correct!

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3 years ago
What is the best estimate of the sum of the fraction? 31/4 +17/3 +8/18
Bogdan [553]

The best estimate of the sum of the expression given is \rm 13 \dfrac {31}{26}

What is a Fraction ?

A fraction is written as p/q , where q \rm \ne 0

It is asked to determine the sum of the fraction

31/4 + 17/3 + 8/18

Taking the LCM of 4 , 3 , 18

LCM of 4 , 3 ,18 is 36

Therefore

\rm \dfrac{ 31 *9 + 17 *12 + 8 *2}{36 }

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499 / 36

\rm 13 \dfrac {31}{26}

Therefore the best estimate of the sum of the expression given is \rm 13 \dfrac {31}{26}.

To know more about Fraction

brainly.com/question/10354322

#SPJ1

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