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4 years ago

Simplify -11 sqrt 112.

Mathematics

1 answer:

9966 [12]4 years ago

4 0

The answer should be -44√7 because:
1. √112 is √16 times √7
2. √16 is 4
3. -11(4√7)=-44√7

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Answer:

Step-by-step explanation:

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3 years ago

How many x-intercepts does the graph of y = 4x^2-12x+9 have?

Marianna [84]

Answer:

(3/2,0)

Step-by-step explanation:

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3 years ago

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Laurie is moving a dresser with a mass of 250 kg. She does 126 J of work with a force of 14 N. How far does she move the dresser

grandymaker [24]

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7 0

3 years ago

A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 15 ft by 25 ft and the

AlladinOne [14]

Answer: Option 'a' is correct.

Step-by-step explanation:

Since we have given that

Dimensions of the room is given by

15 ft by 25 ft

Let x be the width around the rug.

So, new length = 15-2x

new breadth = 25-2x

Since Area of the rug = 264 sq. ft

So, it becomes,

$\text{Area of rug}=Length\times breadth\\\\264=(15-2x)(25-2x)\\\\264=375-30x-50x+4x^2\\\\264=375-80x+4x^2\\\\4x^2-80x+375-264=0\\\\4x^2-80x+111=0\\\\x=\dfrac{3}{2}\ or\ x=\dfrac{37}{2}\\\\x=1.5\ ft$

Hence, Option 'a' is correct.

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3 years ago

Find m Note that m 57.

RSB [31]

Answer:

51*

Step-by-step explanation

I believe this correct only because 51 + <B + <A=180*

Because of that we will make <B equal to <C

Hope this helps!

6 0

3 years ago