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lions [1.4K]
3 years ago
13

Find the solution set. |x|= 9 A. { } B. {-3 , 3} C. { -9, 9} D. {-81, 81}

Mathematics
2 answers:
Vilka [71]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

it dosn't matter if x = a negative. It's asking for absolute value.

Hope this helped! Please mark brainliest!! Thanks!!

Ierofanga [76]3 years ago
4 0

Answer:

C. { -9, 9}

Step-by-step explanation:

An absolute value equation has 2 solutions, a positive and a negative

|x|= 9

x= +9  and x = -9

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Simplify 11^4/11^8.<br><br> 1/11^12<br> 1/11^4<br> 11^4<br> 11^12
AnnZ [28]
Supa dupa easy

remember
x^-m=1/(x^m) and
(x^m)/(x^n)=x^(m-n)
so
(11^4)/(11^8)=11^(4-8)=11^-4=1/(11^4)

2nd option
7 0
4 years ago
Razionalisacion de denominadores 3 v3 tres sobre raiz cuadrada de 3
Fiesta28 [93]

Answer:

√3

Step-by-step explanation:

Spanish

Racionalización de denominadores 3 / v3 tres sobre raíz cuadrada de 3

da

Usando el método de índices

3 / √3 = 3¹ / 3¹ / ²

= 3¹ / 3⁰.⁵

= 3¹⁻¹ / ²

= 3 ¹ / ²

= √3

Esto también se puede resolver multiplicando tanto el numerador como el denominador por √3

3 / √3 * √3 / √3

= 3√3 / √3 * 3

= 3√3 / √9

= 3√3 / 3

Los tres se cancelan y nos queda √3

English

Rationalization of denominators 3 /v3 three over square root of 3

gives

Using the method of indices

3 / √3 = 3¹/ 3¹/²

= 3¹/ 3⁰.⁵

= 3¹⁻¹/²

=3 ¹/²

=√3

This can also be solved multiplying both the numerator and the denominator by √3

3 / √3 * √3/√3

= 3√3/ √3*3

= 3√3/ √9

= 3√3/ 3

The three are cancelled and we are left with √3

6 0
3 years ago
John takes out a personal loan for $5,000 at an annual interest rate 7.5%, compounded monthly. He plans to pay off the loan (inc
myrzilka [38]

Answer:

155.53

Step-by-step explanation:

I know where this question is from hahaha

6 0
3 years ago
A gift box in the shape of a cube has a volume of 216 cm cubed What is the area of the base of the box?
Illusion [34]
Cube
Solve for surface area
A≈216
6 0
4 years ago
Read 2 more answers
Annie and her friends are playing a game called doubles. In the game, a player rolls two dice at the same time. The outcome of e
KatRina [158]
There are 6 possible outcomes for die A and 6 possible outcomes for die B.
Each of the 6 outcomes of die A can be combined with each of the 6 outcomes of die B. Therefore the total number of possible outcomes for each roll is given by:
6\times6=36
3 0
4 years ago
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