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rodikova [14]
3 years ago
7

Zack used these steps to solve this equation: Three-fourths y + 5 = negative three-fourths y minus 9. Step 1: StartFraction 6 Ov

er 4 EndFraction y + 5 = negative 9. Step 2: StartFraction 6 Over 4 EndFraction y = negative 14. Step 3: (StartFraction 6 Over 4 EndFraction) StartFraction 6 Over 4 EndFraction y = negative 14 (StartFraction 6 Over 4 EndFraction). Step 4: y = negative 21. When Zack checked his solution, it didn’t work. What was his mistake? In step 1, he should have used the multiplication property of equality. In step 2, he should have a constant of – 4 on the right side. In step 3, he should have divided both sides by StartFraction 6 Over 4 Endfraction. In step 4, the answer should be positive.
Mathematics
2 answers:
frez [133]3 years ago
5 0

Answer:

C

Step-by-step explanation:

ur welcome

Darya [45]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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Lady_Fox [76]

Answer:

The absolute value equation to represent the scenario is |x - 250| = 25. Also, the minimum amounts and maximum amounts that the artist received for her products is $225 and $275 respectively.

What is an equation?

An equation is an expression that shows the relationship between two or more variables and numbers.

Let x represent the amount the artist can receive for the goods, hence:

|x - 250| = 25

x - 250 = 25 or -(x - 250) = 25

x = 275 or x = 225

The absolute value equation to represent the scenario is |x - 250| = 25. Also, the minimum amounts and maximum amounts that the artist received for her products is $225 and $275 respectively.

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2 years ago
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Natasha_Volkova [10]

Answer: 56-(7+5)

Step-by-step explanation:

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(7+5 is in parentheses because if not, you would have 56-7+5 and get 54).

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3 years ago
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Nikitich [7]

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The answer is choice B.

4 0
4 years ago
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On average during the summer, a 30,000 cubic foot house costs $7 per day to cool, while a 25,000 cubic foot house costs $6.50 pe
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Step-by-step explanation:

The cost of cooling 30000 cubic foot house = $7

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