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3 years ago

Simplify the following ratios:

Mathematics

1 answer:

jenyasd209 [6]3 years ago

6 0

A) 3:4
b) 2:7
c) 3.5
d) 2:3

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Solve for substitution x-2y+z=-11 3x+2y-z=7 -x+2y+4z=-9

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Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

After substituting the given values we have

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Therefore, unit rate miles per day is, 3

Step-by-step explanation:

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3 years ago

Zeke began with $2 and earned $3 for each chore he completed. Drew began with $6 and earned $1 for each chore he completed. How

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Answer:

they would have to do 2 chores each. they will each have eight dollars

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The value of a car decreases by 15% for each year the car is leased. If the original price of

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Answer:

Around 7830 dollars

Step-by-step explanation

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2 years ago

What are the greatest commom factor of 2x2x3x5 and 2x3x3x5

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Answer:

$\huge \bold \purple{answer}$

The greatest common factor of 2x2x3x5 and 2x3x3x5 is 2x3x5

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Yo! Solving linear equations with integers! These are just some practice exercises I need help with! So they should probably be

drek231 [11]

Answer:

Step-by-step explanation:

<h3>Solving linear equation with one variable:</h3>

1) -4 + 3x = 4x - 8

Add 4 to both sides

-4 + 3x + 4 = 4x - 8 + 4

3x = 4x - 4

Subtract 4x from both sides,

3x - 4x = -4x + 4x - 4

-x = -4

$\sf \boxed{\bf x = 4}$

2) -5x - 8 = 2

Add 8 to both sides

-5x - 8 + 8 = 2 + 8

-5x = 10

Divide both sides by (-5)

$\sf \dfrac{-5}{-5}x =\dfrac{10}{-5}$

$\sf \boxed{\bf x = -2}$

3) 12r - 14 = 5(2-r)

12r - 14 = 5*2 - 5*r

12r - 14 = 10 - 5r

Add 14 to both sides

12r - 14 + 14 = 10 - 5r + 14

12r = 24 - 5r

Add 5r to both sides

12r + 5r = 24

17r = 24

Divide both sides by 17

r = 24/17

4) 3x - 8 = -(17 + 2x)

3x - 8 = -17 - 2x

Add 8 to both sides

3x - 8 + 8 = -17 - 2x + 8

3x = -9 - 2x

Add 2x to both sides

3x + 2x = -9

5x = -9

Divide both sides by 5

$\sf \dfrac{5}{5}x=\dfrac{-9}{5}\\\\\boxed{x = \dfrac{-9}{5}}$

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