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Lynna [10]
3 years ago
5

A builder needs 30 centimeter lengths of lumber to reinforce a stud wall. How many can he cut from a piece that is five meters l

ong? Write how you can figure it out.​
Mathematics
1 answer:
agasfer [191]3 years ago
6 0

Answer:

16

Step-by-step explanation:

5m is equivalent to 500cm

500 ÷ 30 = 16.6666666667

= 16

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Jerry has been staying up late at night to get in some extra study time. He hopes to get accepted into his favorite college and
svet-max [94.6K]
(Answer coming from someone who’s stressed himself)
Upset stomach.
When you’re stressed, you have a higher heart rate, difficulty sleeping, and feeling exhausted the whole day.
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3 years ago
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Alaina evaluated 1718+120 and got an answer of 1838. Which statement is true about her answer?
Setler79 [48]

Answer:

Her answer is not correct because the sum cannot be less than either addend.

The correct answer is \frac{179}{180}

Step-by-step explanation:

Given:

The expression to add is given as:

\frac{17}{18}+\frac{1}{20}

Alaina got the answer as \frac{18}{38}

Let us first try to add the fractions and arrive at the answer.

Taking LCD of 18 and 20, we get LCD = 180

Now, making denominators of each fraction equal to 180 and changing the numerators accordingly.

=\frac{17\times 10}{18\times 10}+\frac{1\times 9}{20\times 9}\\=\frac{170}{180}+\frac{9}{180}\\=\frac{170+9}{180}=\frac{179}{180}

Therefore, the result of Alaina is not correct because she got an answer which is less than the fraction \frac{17}{18}. But when we add two fractions, the result must be greater than either of the addend.

Therefore, her answer is not correct because the sum cannot be less than either addend.

5 0
3 years ago
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*will give brainliest*
andriy [413]
I think the answer is one solution
3 0
2 years ago
Suppose that 13 inches of wire cost 39 cent how much would 8 inches cost
Feliz [49]

Answer:

24 cent

Step-by-step explanation:

If 13 inches of wire cost 39 cent.

We have to calculate how much 1 inch of wire would cost first, before determining the cost of 8 inches of wire.

If 13 inches of wire costs 39cents, Then 1 inch of wire would cost 3 cent.

That is 39/13, which gives 3.

If 1 inch of wire cost 3 cents. Two inches of wire would cost 6 cents we 3 inches of wire costs 9 cents.

To get the cost of 8 inches of wire, we therefore multiply 8 by 3, which gives 24.

8 inches of wire costs 24 cents.

7 0
3 years ago
The number of fish in a lake is decreasing by 400 every year, as described by the function below.
Jlenok [28]

Using the recursive function given, it is found that f(5) = 6600.

The function given is:

f(n + 1) = f(n) - 400

f(1) = 8200

To find f(5), we keep applying the function until n + 1 = 5, hence:

f(2) is f(1) subtracted by 400

f(2) = f(1) - 400 = 8200 - 400 = 7800

f(3) is f(2) subtracted by 400

f(3) = f(2) - 400 = 7800 - 400 = 7400

f(4) is f(3) subtracted by 400

f(4) = f(3) - 400 = 7400 - 400 = 7000

f(5) is f(4) subtracted by 400

f(5) = f(4) - 400 = 7000 - 400 = 6600

Hence, the result is f(5) = 6600.

A similar problem is given at brainly.com/question/21245344

4 0
2 years ago
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