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olasank [31]
3 years ago
5

Solve 2y - 5 over 3 = 4y - 1 over 2

Mathematics
1 answer:
ololo11 [35]3 years ago
4 0
\frac{2y - 5}{3} = \frac{4y - 1}{2}
3(4y - 1) = 2(2y - 5)
3(4y) - 3(1) = 2(2y) - 2(5)
12y - 3 = 4y - 10
8y - 3 = -10
8y = -7
\frac{8y}{8} = \frac{-7}{8}
y = -0.875
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Answer:

a = \frac{b^2-d}{4c}

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Step-by-step explanation:

Order of Operations: BPEMDAS

<u>Question 1</u>

Step 1: Write out discriminant

d = b² - 4ac

Step 2: Subtract b² on both sides

d - b² = -4ac

Step 3: Divide both sides by -1

b² - d = 4ac

Step 4: Divide both sides by 4c

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<u>Question 2</u>

Step 1: Write out equation

2/3(x - 18y) = 6y

Step 2: Distribute parenthesis

2/3x - 12y = 6y

Step 3: Isolate <em>x </em>by adding 12y on both sides

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Step 4: Divide both sides by 2/3

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7 0
3 years ago
How do I write this?
den301095 [7]

Answer:

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Step-by-step explanation:

Add 452 ; 452+

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You add in the parentheses so that you're adding 452 to the difference of the two other numbers instead of to 783.

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3 years ago
A shelter kept track of the number of dogs adopted each day for three weeks. Use the table to find the statistical measures.
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Step-by-step explanation:

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Step-by-step explanation:

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Therefore ranking them from least to most:

- 4 - (5) \\  - 5 - ( - 4) \\  - 4 - ( - 5) \\ 4 - ( - 5)

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