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zavuch27 [327]
3 years ago
10

Carmina bought 20 pizzas for her party an hour after the party started 2/7 of the pizzas had been eaten how many pizzas have bee

n eaten make an equation to solve a word problem.
Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer:

pizzas eaten =2/7 x 20

5 5/7 pizzas have been eaten

Step-by-step explanation:

pizzas eaten = 2/7 x 20

40 / 7 = 5 5/7

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3 years ago
Find X, and the two angle measures.
Snowcat [4.5K]

Answer:

x = -4

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Step-by-step explanation:

Straight angles by definition have a total measure of 180°.

This means that m<LMP and m<NMP are 180° together.

Therefore m<LMP + m<NMP = 180°.

[substitution property]

(-16x + 13)° + (-20x + 23)° = 180°

[associative property of addition]

(-36x + 36)° = 180°

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–36 –36

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÷-36 ÷-36

x = -4

_________________

Since m<LMP = (-16x + 13)°.

Using substitution with x = -4:

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Since m<NMP = (-20x + 23)°.

Using substitution with x = -4:

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This is true because 77° + 103° = 180°.

5 0
3 years ago
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