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3 years ago

6

Tom always keeps his 4 gardens clean. He take 20 minutes to clean a single garden. How much time will it take to clean a four ga

rdens?

1 answer:

juin [17]3 years ago

6 0

20 × 4 = 80 minutes or 1 hour 20 minutes

It will take 80 minutes or 1 hour 20 minutes to clean four gardens.

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Step-by-step explanation:

2x-4x=1

-2x=1

x=-1/2

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2 years ago

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Answer:

x = 6

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Step-by-step explanation:

(Step 1)

Isolate one of the variables in one of the equations. This will allow you to solve by substitution in the following steps.

2x + 3y = 21 <----- Original equation

3y = -2x + 21 <----- Subtract 2x from both sides

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(Step 2)

Substitute the new equation into the untouched equation and isolate the "x" variable.

4x + 3y = 33 <----- Original equation

4x + 3((-2/3)x + 7) = 33 <------ Substitute manipulated equation

4x - 2x + 21 = 33 <------ Multiply 3 by terms in parentheses

2x + 21 = 33 <------ Subtract terms with variables

2x = 12 <----- Subtract 21 from both sides

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(Step 3)

Plug the value of "x" into one of the equations to find the value of "y".

4x + 3y = 33 <----- Original equation

4(6) + 3y = 33 <----- Plug 6 in for "x"

24 + 3y = 33 <----- Multiply

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(Step 4)

Since you now know the value of both variables, you can add them together to find your final answer.

x = 6

y = 3

x + y = ?

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2 years ago

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Answer:

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Step-by-step explanation:

In the given figure of protractor measure the ∠AOC

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