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Gnom [1K]
3 years ago
12

Last year, 31 2 acres of strawberry fields produced approximately 14,700 pounds of strawberries. This year the number of acres p

lanted with strawberries increased to 5 acres. Use proportional reasoning to estimate the farm's income from the sale of strawberries this year.
Mathematics
1 answer:
USPshnik [31]3 years ago
5 0

So in 5 acres of land produces 21,000 pounds of strawberries.

Step-by-step explanation:

Step 1:

Last year, 3\frac{1}{2} acres i.e 3.5 acres produced 14,700 pounds of strawberries. So we need to determine how many strawberries were produced per acre.

To do this we divide the total number of strawberries produced by the number of acres it was produced in.

The number of strawberries produced per acre= \frac{14,700}{3.5} = 4,200 pounds.

Step 2:

To determine the number of strawberries in 5 acres of land, we multiply the number of strawberries per acre by the number of acres.

The number of strawberries produced in 5 acres= 5(4,200) = 21,000 pounds.

So in 5 acres of land produces 21,000 pounds of strawberries.

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Please help! Thanks!
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4] Which perfect square root is close to \sqrt{39}?

          Well we know that 7 times 7 is 49, and 6 times 6 is 36, so our answer will be between  \sqrt{36} and \sqrt{49}

          The closer root is \sqrt{36}, so we can approximate that the square root of 39 is around <u><em>6.2</em></u>.

5] We can do a similar step-by-step here.

4 times 4 is 16, and 5 times 5 is 20.

           This gives us \sqrt{16} and \sqrt{20}

Well, they are both equal distance from \sqrt{18} (2), so we can do this:

          We know it'll be between 4 and 5 (the number plot in the answer lets us know that too)

          4 times 4 is 16

          4.1 times 4.1 is around 16.8

          4.2 times 4.2 is about 17.64

          4.3 times 4.3 is 18.49

Now that we have an 18, we can stop going and see which one is closer.

          18 - 18.49 = -0.49

          18 - 17.64 = 0.36

4.2 times 4.2 is closer, so we can approzimate that \sqrt{18} is around 4.2

- See attachment for number line plot

Note] Hope this helps! Upon using a calculator I can confirm these answers are correct :D

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

It makes 2x^2-20-206=0

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Step-by-step explanation:

It is in the following attachment                          

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