4 years ago

How can you decide which operation to use to solve a two step equation

1 answer:

4 0

Always use the inverse (opposite) operation. Ex. is 2x+4=10.

First subtract 4, and then divide by 2.

actually reverse of order of operations to solve.

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Marie and Whitney order eggs for $4.35, pancakes for $3.10, and 2 mugs of cocoa for $1.45 each. The tax is $0.85. How much chang

svetlana [45]

Answer:

$3.80

Step-by-step explanation:

$4.35+$3.10+$1.45+$1.45+$0.85=$11.20

$15.00-$11.20=$3.80

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3 years ago

6. It took Todd 9 hours to paint 4 rooms.

Afina-wow [57]

Answer:

5 rooms

Step-by-step explanation:

4 rooms = 9 hours

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3 years ago

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Step-by-step explanation:

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3 years ago

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saul85 [17]

Answer:

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Step-by-step explanation:

This is because of the formula r^2pi since 5^2=25 and 25x3.14 it equal 78.5

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3 years ago

Attachment Mathswatch!!

anygoal [31]

Answer:

y=2x + 2

Step-by-step explanation:

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3 years ago