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cupoosta [38]
3 years ago
9

What’s is this one ????

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

\begin{array}{lll}1.&x+12.7=-25.5&\text{given}\\2.&x+12.7-12.7=-25.2-12.7& \text{subtraction property of equality}\\3.&x+0=-37.9&\text{additive inverse/simplification}\\4.&x=-37.9&\text{identity property of addition}\end{array}

Step-by-step explanation:

Solve the equation x+12.7=-25.2

1.  x+12.7=-25.2 - given

2. Subtract 12.7 from both sides:

x+12.7-12.7=-25.2-12.7 - subtraction property of equality

3. Since 12.7-12.7=0 and -25.2-12.7=-37.9, we have

x+0=-37.9 - additive inverse/simplification

4. Since x+0=x, we have

x=-37.9 - identity property of addition.

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5x5

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There is 12/15 of a pizza left. How many 3/10 pieces can be made from the leftover pizza
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8/3

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The school production of​ 'Our Town' was a big success. For opening​ night, 392 tickets were sold. Students paid ​$3.00 ​each, w
elixir [45]

Answer:

<u>239 students and 153 non-students attended to the school production of "Our Town"</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Number of tickets of the school production sold = 392

Student ticket cost = US$ 3

Non-students ticket cost = US$ 5

Total collected = US$ 1,482

2. How many students and how many​ non-students attended?

For answering the question we will use the following equation:

x = Number of students that attended the school production

392 - x = Number of non-students that attended the school production

3x + (392 - x) * 5 = 1,482

3x + 1,960 - 5x = 1,482

-2x = 1.482 - 1,960

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<u>239 students and 153 non-students attended to the school production of "Our Town"</u>

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