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vodka [1.7K]
3 years ago
5

How to eliminate square roots

Mathematics
2 answers:
konstantin123 [22]3 years ago
7 0
Take the square root on the other side and cancel them and your gonna silver for what you want
Oxana [17]3 years ago
6 0
You can perform any valid operation on one side of an equation, as long as you perform the same operation on the other side as well. Use basic algebraic operations to isolate the square root term on one side of the fraction. Note that when writing square root terms in text, "sqrt" is sometimes used as an abbreviation for "square root." Here's an example: If you have 9 - sqrt(x) = 2[sqrt(x)], add sqrt(x) to both sides to get 9 = 3[sqrt(x)]. Divide both sides by 3 to eliminate the coefficient -- the number in front of the variable term -- and finish isolating the square root term, which gives you 9/3 = sqrt(x) or 3 = sqrt(x).
I hope this helps.(^_^)
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there are 8 rows of chairs in the auditorium.three of the rows are empty. what fraction of the rows are empty?
Phantasy [73]
3/8 of the rows are empty. The three rows that are empty (3) would be in the numerator while the total amount of rows (8) would be in the denominator.
8 0
3 years ago
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-3 +3(n+8)= 2(1 + 6n) - 8
lilavasa [31]

Answer:

3 =n

Step-by-step explanation:

-3 +3(n+8)= 2(1 + 6n) - 8

Distribute

-3 +3n +24 = 2 +12n -8

Combine like terms

21+3n = 12n -6

Subtract 3n from each side

21+3n-3n = 12n-3n -6

21 = 9n -6

Add 6 to each side

21+6 = 9n-6+6

27 = 9n

Divide each side by 9

27/9 = 9n/9

27/9 =n

Divide the top and bottom by 3

3 =n

4 0
3 years ago
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For history class, Joe spent 2 hours writing a 4-page report on ancient Egypt. This weekend, he needs to write a 12-page report
Natalka [10]

Answer:

2hours/4pages

2/4=1/2

1/2=x/12

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12=2x

divide by 2 both sides

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3 0
3 years ago
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Which function will have a y-intercept at –1 and an amplitude of 2?
Angelina_Jolie [31]

Answer:

Options B and D.

Step-by-step explanation:

The general form of sine function

h(x)=A\sin (Bx+C)+D

where, |A| is amplitude, \frac{2\pi}{B} is period, \frac{-C}{B} is phase shift and D is y-intercept.

The general form of cosine function

h(x)=A\cos (Bx+C)+D

where, |A| is amplitude, \frac{2\pi}{B} is period, \frac{-C}{B} is phase shift and D is y-intercept.

In function, f(x)=-\sin x-1

Amplitude : |A|=1

y-intercept : -1

In function, f(x)=-2\sin x-1

Amplitude : |A|=2

y-intercept : -1

In function, f(x)=-\cos x

Amplitude : |A|=1

y-intercept : 0

In function, f(x)=-2\cos x-1

Amplitude : |A|=2

y-intercept : -1

Therefore, the correct options are B and D.

4 0
3 years ago
Read 2 more answers
Level B
Darya [45]
The number has 2 digits - let's call them x and y. The positive difference between the two combinations (lowest-highest and highest-lowest) is always equal to the positive difference of x and y, multiplied by 9.

For example:

76 and 67: 76 - 67 = 9 and ((7-6)*9) = 1*9 = 9
73 and 37: 73 - 37 = 36 and ((7-3)*9) = 4*9 = 36
5 0
3 years ago
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