2 years ago

What is 2 times the square root of 9 minus the square root of 4 expressed in simplified form?

Mathematics

2 answers:

Leokris [45]2 years ago

8 0

Well I believe it's b

Gre4nikov [31]2 years ago

7 0

Answer:

1) B

2) D

3) D

4) C

Step-by-step explanation:

Q1) 2*sqrt(9)-sqrt(4)=4

Q2) 14*sqrt(5)+9*sqrt(5)=51.4295634825

Q2) 23*sqrt(5)=51.4295634825

Q3) sqrt(5)*sqrt(7)+2*sqrt(35)=17.7482393493

Q3) 3*sqrt(35)=17.7482393493

Q4) 7*sqrt(3)*sqrt(5)-2*sqrt(15)=19.364916731

Q4) 5*sqrt(15)=19.364916731

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Answer:

x = $3, or x = $11

Step-by-step explanation:

The equation given is $P(x)=-2(x-3)(x-11)$

where

P(x) is the profit, and
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<u>We want app prices (x's) when profit (P(x)) is 0, so plugging in into the equation:</u>

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So, x = 3, or 11

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3 years ago

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Answer: 720.3

Step-by-step explanation:

First you divide 6.4 by 9.8 then you divide by 470.40 to get 720.3

Hope this helps

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3 years ago

An electrician has a piece of wire that is 18 feet long. He cuts off 14% of the wire. Then he cuts the remaining pieces of wire

Ronch [10]

Answer:

the 3 pieces are 5.16ft each and the 14% that he cut off is 2.52 ft

Step-by-step explanation:

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What’s that even mean

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The first option

Step-by-step explanation:

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