MATHEMATICS HIGH SCHOOL

Simplify
hurry please !! :)
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Answers

Answer 1
Answer:

Answer:

4 square root of 5

Step-by-step explanation:

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7+ (-5)+(-2)=07+ (5)+(2)=07+(-4)+(-3)=07+(-6)+(-1)=0
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Algebra II : Radical Expressions. Instructions: Rationalize each denominator.

Answers

remember multiplying something by 1 doesn't change the value

also √x times √x=x

rationalize means get rid of the square root at thebottom

basically, if the bottom is x√n then multiply the whole fraction by (x√n)/(√n) to rationalize it, then simlify by finding ones

also remember the thingummy you need for problems 6, 9 and 10
(a-b)(a+b)=a^2-b^2

and remember
\sqrt{ (x)/(y) } = ( √(x) )/( √(y) )



1. ( √(3) )/( √(7) )
multply by ( √(7) )/( √(7) )
( √(21) )/(7)

2.\sqrt{ (1)/(11) } = ( √(1) )/( √(11) ) multply by ( √(11) )/( √(11) )
( √(11) )/(11)


3. 2/(∛3)
multiply by (∛3)/(∛3)
(2∛3)/3

4. \sqrt{ (14x)/(y^(2)) } = ( √(14x) )/( y√(5) ) multply by ( √(5) )/( √(5) )
( √(70x) )/(5y)

5. ∛(4/(9x^2))=(∛4)/(∛(9x^2))
multiply by (∛(9x^2))/(∛(9x^2))
(∛(36x^2))/(9x^2)

6.  multiply top and bottom by (1+√3)/(1+√3)
(8+8√3)/(1^2-(√3)^2)=(8+8√3)/(1-3)=(8+8√3)/ (-2)=-4-4√3

7. so tired, answer is \frac{6 \sqrt[3]{4xy^(2)} }{4x^(2)y^(2)}

8. multiply tp and bottom by (√x-3)/(√x-3)
((-2√x)+6)/(x-9)

9.  multiply by (√a+√b)/(√a+√b)
(a+ √(ab) )/(a+b)

10 multiply top an bottom by ( √(2)+ √(6) )/( √(2)+ √(6) )
result
(12+3 √(12) )/(-8)

Whats the perimeter of a regular nonagon with an apothem of 17 cm and a side length of 12.4 cm.

Answers

Answer:

The perimeter of the regular nonagon is 111.6 cm

Step-by-step explanation:

In this question, we are asked to calculate the perimeter of a regular nonagon given the apothem and the length of its side

Since the polygon is regular, it means the length of its sides are equal.

The polygon we are dealing with here is a nonagon meaning it is a 9 sided polygon

Mathematically, the perimeter is ;

P =n * s

where n is the number of sides and a is the length of one of the side of the polygon

From the question, our s = 12.4 cm

Plugging this into the perimeter equation, we have;

P = 12.4 * 9 = 111.6 cm

W = 4πr
Please man this gotta be 20 characters but I really need an answer I'm sweating

Answers

Answer:

r = (W)/(4 \pi)

Step-by-step explanation:

W = 4πr

We are solving for r. We need r on the left side.

Step 1: Switch sides.

4πr = W

Step 2: Since r is being multiplied by 4π, we divide both sides by 4π.

(4\pi r)/(4 \pi) = (W)/(4 \pi)

Step 3: Simplify the left side.

r = (W)/(4 \pi)

Gustavo created a four-part spinner to represent the four prizes that he had an equal chance of winning: a video game system, a bicycle, a watch, and a gift card. He spun the spinner several times to demonstrate the likelihood of winning a certain prize. What is true about Gustavo’s data collection?
Gustavo used an experiment where the data is qualitative.
Gustavo used an experiment where the data is quantitative.
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Gustavo used a simulation where the data is quantitative.

Answers

Your answer should be C which is the third option

Answer:

The answer is C i just took the test

Step-by-step explanation:

Order the fractions from least to greatest 3/5, 7/8, 5/6

Answers

3/5, 5/6, 7/8
This is the order from least to greatest.

1.0 liter of a gas at standard pressure and pressure is compressed to 473ml. What is the new pressure of the gas?

Answers

If we assume that T does not change, then PV = k. 

If this is true, then P1V1 = P2V2 (Boyle's Law) 

P1 = 1 atm (standard pressure) 
V1 = 1 L 
P2 = ? 
V2 = .473L 

P2 = 2.11 atm
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