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serg [7]
3 years ago
10

1. Write an equation that shows the relationships 64% of y is 40.

Mathematics
2 answers:
qwelly [4]3 years ago
8 0

Step-by-step explanation:

Question 1:

  • 0.64y = 40.

Question 2:

  • 0.45z = 72
  • z = 72 * (1/0.45) = 160.
weqwewe [10]3 years ago
3 0

Answer:

0.64y = 40.

Question 2:

0.45z = 72

z = 72 * (1/0.45) = 160.

Step-by-step explanation:

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6 bills in the deposit were $10 bills.

<u>Step-by-step explanation:</u>

The total number of bills he gave the teller = 24 bills

x + y = 24 ------------(1)

Let,

x be the number of $5 bills.

y be the number of $10 bills.

The total bank deposit made using $5 and $10 bills are $150.

<u>He deposits $5 bills and $10 bills. So, the equation can be framed as : </u>

5x + 10y = 150 --------(2)

The question is asked for how many $10 bills were in the deposit,

Here 'y' is the number of $10 bills.

<u>To solve for y value : </u>

The eq(1) must be multiplied by 5 and subtract eq(2) from eq(1),

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-(<u>5x + 10y = 150</u>)

 <u>-5y = -30      </u>

⇒ y = 30/5

⇒ y = 6

Therefore, there were 6 bills in the deposit that are $10 bills.

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Compare the initial values and the rates of change for Jenna's and Finn's plans. What do they mean in the problem situations? ​
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Step-by-step explanation:

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A rancher has a rectangular 40 acre piece of property fronting a highway. He wants to put a barbed-wire fence along his road fro
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An acre is a surface measure, used in agriculture in several countries.
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 We will use the following conversion:
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 x = (1742400) / (1200)
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 He needs 1452 feet of fence.
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