3 years ago

40 pts!! Simplify the expression in the picture.

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

8 0

i cant read what it says'

tino4ka555 [31]3 years ago

4 0

Answer:

D. (27x^6y^9) / x^9.

Step-by-step explanation:

(3x^2y^3 / z^3 )^3

= 3^3 x^(2*3)y(3*3) / z^(3^3)

= 27 x^6y^9 / x^9.

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1) Find x, if 1/3 of x is 14

BartSMP [9]

"of" means multiply and "is" means equal

1. $\frac{1}{3}$ x = 14

x = 14(3) multiply both sides by 3 to isolate "x"

x = 42

2. $\frac{1}{5}$ x = 14

x = 14(5) multiply both sides by 5 to isolate "x"

x = 70

3. $\frac{2}{5}$ x = 14

2x = 14(5) multiply both sides by 5

2x = 70

x = 35 divide both sides by 2 to isolate "x"

4. $\frac{7}{8}$ x = 14

7x = 14(8) multiply both sides by 8

7x = 112

x = 16 divide both sides by 7 to isolate "x"

Answers: 42, 70, 35, 16

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2 years ago

Solve the system by substitution. 6x + 3y = -6 2x + y = -2

Mariana [72]

Solutions

First Lets solve for this equation $6x + 3y = -6
$

$6x + 3y = -6
$

$6x+3(-2-2x)=-6

 
$

$-6=-6$

Therefore this given equation is a dependent system.

Solve for $2x + y = -2$

$2x+y=-2$

$y=-2-2x

 

 
$

There are too many solutions to these equations.

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3 years ago

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In an inequality between two numbers, -0.8 is located below the other number on the vertical number line. Which condition would

BigorU [14]

The answer is B. If -0.8 was below the other number, the other number would be above it.

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2 years ago

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What is 45% of 10000

marshall27 [118]

Answer: