118 Answered Questions for the topic radicals

4d

#### Rationalize the denominator (√2+√5)/(√3-√7).

Rationalize the denominator (√2+√5)/(√3-√7).I got this as the answer, - (√2+√5)(√3+√7)/(4). Is this correct or do I have to multiply it using the foil method and get this? -(√6+√14+√15+√35))/(4)....
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6d

#### Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

Consider y = −√x. Is y a function of x? Why or why not? Is it true that |y| is always less than x? Show that it is or give a counter example.

03/16/19

#### Why is mercury a "fancy proton"?

I remember that one of my old organic chemistry profs referred to mercury as being a "fancy proton". I think it was in the context of oxymercuration reduction.
What might have been his rationale...
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03/09/19

#### Divide the complex numbers. Write the answer in the form a + bi.

Divide the complex numbers. Write the answer in the form a + bi.
A.
B.
C.
D.

09/11/18

#### How do you write a surd as an exponential with a different base? How do you get from √128 to 2^(7/2)?

Hello!
The question in my textbook asks me to find m when √128 = 2^m
I used an app to solve the question and writing “√128 as an exponential with a base of 2“ was one of the steps
Please...
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08/15/18

#### The skid marks from a car involved in an accident measured 85ft. To the nearest tenth, what was the speed of the car before the brakes were applied?

Miles per hour

08/14/18

#### An airplane dropped a flare from a height of 3640 feet above a lake. How many seconds did it take for the flare to reach the water?

How many seconds

08/14/18

#### The skid marks from a car involved in an accident measured 61 feet. To the nearest tenth, what was the speed of the car before the brakes were applied?

To the nearest tenth

06/14/18

#### A baseball diamond is in the shape of a square. The distance from home plate to first base is 27.6 m. What is the distance from home plate to 2nd base?

I looked in the answer key and it said it was 39.03m and I am really confused.

06/03/18

#### Can you explain to me, in the simplest terms possible, how to solve 3√8 - √18 + 3√72 - √75?

Explain this to me how you'd explain it to a five-year-old who isn't quite a prodigy but isn't completely mentally deficient, either. It'd be greatly appreciated.

05/03/18

#### System Of equations read the description

y = √x + 7 + 2
y = √ 3 - x
Note x + 7 is under the square root symbol
Note 3 - x is under the square root symbol
PLEASE HELP

05/03/18

#### systems of equations

y = x + 8
y = - 12/x
Need help with this problem. The solution of this system of equations

05/03/18

#### √3x + 1 - 3 = 7 How is this solved?

Note 3x + 1 are the only numbers inside the square root
I don't understand i really need the help

05/03/18

#### (1 - √5)(2 - √5) Simplified

√ = square root symbol
also I am not entirley sure how to simplify this
could use the help

04/28/18

#### what is the √8/√3+1 *best way i can write it*

i need to solve the square root of 8 over the square root of 3 plus 1.

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