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Nezavi [6.7K]
4 years ago
15

What is this simplified

Mathematics
1 answer:
laila [671]4 years ago
4 0
You can factor both the numerator and denominator:

\frac{x^2 -10x-11}{x^2 - 121} =  \frac{(x-11)(x+1)}{(x-11)(x+11)}

Next, cancel out common factors:

\frac{(x-11)(x+1)}{(x-11)(x+11)} = \frac{x+1}{x+11}

Your answer should be \frac{x+1}{x+11}.
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In rectangle ABCD, AB = 10 cm and BC = 14 cm. If rectangle EFGH is the image after a dilation, which could be its side lengths?
lana [24]

Answer is D

After dilation the image remain same but it is stretched or shrinked to the original size.

That means the ratio of the sides and the angles between the sides remain same .

Here we did dilation of ABCD which made it to EFGH.

Hence the ratio of the corresponding sides of the original rectangle ABCD should remain same even after dilation.

the corresponding sides are : AB and EF

BC and FG

CD and GH

DA and HE

* Let us find ratio of the sides AB and BC

given that AB= 10 and BC= 14

AB/BC= 10/14 = 5 /7 ( 10 and 14 both are multiple of 2 so we reduced them by a factor of 2 )

* the raio of the corresponding sides EF and FG should be same ( 5/7)

in the option D EF= 25 and FG= 35

so EF/FG= 25/35 = 5 /7 ( both are multiple of 5 so we reduced them by the factor of 5 )

Since ratio of the corresponding sides are coming out to be same for the EFGH given in option D it should be the dilation of the ABCD

4 0
3 years ago
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OleMash [197]

Answer:

Jamar should hit the wall opposite to the side of the barrier(if there is a space), which will cause the ball to bounce off the wall at an angle and into Target.

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If y varies directly as x, and y = 25 when x = 5, find y when x = 25.
zimovet [89]
A.125
Because to get from 5 to 25 you need to multiply by 5 so 25 times five equals 125
6 0
3 years ago
Anybody know the answers?
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Answer:

1 adult = 16 students

a = 16x

Step-by-step explanation:

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I just need help on #8.
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What lesson is that?
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