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3 years ago

1. Which property is illustrated by 12.+.3+3.12.x ? identity distributive associative commutative

Mathematics

1 answer:

podryga [215]3 years ago

5 0

I can only guess that you meant to write

12 + 3 = 3 + 12

which would be the commutative property of addition.

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7x + 2y = 7 -14x + 2y = -11 Solve by substitution

kvasek [131]

Answer:

x = 6/7, y = 1/2

Step-by-step explanation:

7x + 2y = 7

-14x + 2y = -11

1) 7x + 2y = 7

2y = 7 - 7x

2) -14x + 2y = -11

-14x + 7 - 7x = -11

- 21x = -11-7

- 21x = - 18

x = 18/21 = 6/7

3) 2y = 7 - 7x = 7 - 7*(6/7) = 7 - 6 = 1

2y = 1

y = 1/2

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3 years ago

A shipping container is in the shape of a right rectangular prism with a length of 2 feet, a width of 1.5 feet, and a height of

Anastaziya [24]

Answer:

5 pounds

Step-by-step explanation:

the volume of the container = 2*1.5*3.5= 10.5cubic foot.

Density of the content = 0.49 pound per cubic foot.

As already know,

Density = mass/ volume.

therefore, mass = density * volume.

mass of the content = 0.49 * 10.5 =5 pounds approximately

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3 years ago

Is it even an option on my Penn Foster Exam?

Anton [14]

Lel nope gotta take it

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4 years ago

The answer to a system is a(n) A) point B) line C) two points D) equation

love history [14]

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3 years ago

Read 2 more answers

Help me! Answer in pic not correct !

sladkih [1.3K]

Answer:

$Q'=(4,1)\\R'=(6,-5)\\S'=(3,-4)\\T'=(1,-1)$

Step-by-step explanation:

First we have to find the coordinates of the original ordered pairs then we will do the translation.

$Q=(1,3)\\R=(3,-3)\\S=(0,-2)\\T=(-2,1)$

Now we will add 3 to every x value and add a -2 to every y value.

$Q=(1_{+3},3_{+(-2)})\\R=(3_{+3},-3_{+(-2)})\\S=(0_{+3},-2_{+(-2)})\\T=(-2_{+3},1_{+(-2)})$

When you do that you will get the new prime points.

$Q'=(4,1)\\R'=(6,-5)\\S'=(3,-4)\\T'=(1,-1)$

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3 years ago