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3 years ago

The average rate of increase per year?

Mathematics

1 answer:

Aliun [14]3 years ago

5 0

Answer:

Average rate of increase will be 0.0466 feet/year

Step-by-step explanation:

We have given that the scientific studies indicate that the ocean level could rise 3.5 feet in 75 years

So rise in level of ocean = 3 feet

Time by which the ocean level rise = 75 years

We have to find the average rate of ocean rise

Average rate of ocean rise is given by $\frac{rise\ in\ level}{total\ time}=\frac{3.5}{75}=0.0466feet/year$

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Estimate. Then find the difference of <br> 627<br> - 253

denis-greek [22]

To estimate, you can round 627 up to 630 and round 253 down to 250.

650-250=380. 380 is your estimate.

The actual answer is 374.

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3 years ago

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How do i turn 24% into a fraction

PolarNik [594]

You can remove the % sign if you divide the number by 100:

$\frac{24}{100}$

This is because % is defined as 1/100, and the name (per-cent) actually meant this originally!
we can also simplify it: let's divide it by 4:

$\frac{6}{25}$

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3 years ago

Suzie sells a box of 8 muffins for $7.60. What is the price per muffin?

svet-max [94.6K]

Answer:

95 cents per Muffin

Step-by-step explanation:

Set up the long division.

8 | 7 6 0

2. Calculate 76 ÷ 8, which is 9 with a remainder of 4.

8 | 7 6 0

7 2

3. Bring down 0, so that 40 is large enough to be divided by 8.

8 | 7 6 0

7 2

4 0

4. Calculate 40 ÷ 8, which is 5.

9 5

8 | 7 6 0

7 2

4 0

5. Therefore, 760 ÷ 8 = 95.

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3 years ago

An amount was shared in the ratio 8:6:9:14:12.The largest share was56.What was the total amount shared?

lutik1710 [3]

Answer:

196

Step-by-step explanation:

Since the largest share was 56 and the largest ratio is 14, then

56 ÷ 14 = 4 ← value of 1 part of the share, thus

8 parts = 8 × 4 = 32

6 parts = 6 × 4 = 24

9 parts = 9 × 4 = 36

14 parts = 14 × 4 = 56

12 parts = 12 × 4 = 48

Total the amounts

total = 32 + 24 + 36 + 56 + 48 = 196

6 0

3 years ago

What is, 7 3/10+6 1/3+2 7/10?

snow_lady [41]

7 3/10 + 6 1/3 + 2 7/10

First change them to improper fractions

73/10 + 19/3 + 27/10

now find the common denominator which would be 30

73/10 = 219 /30

19/3 = 190/30

27/10 = 81 /30

now add (219 + 190 + 81) = 490/30

now divide 490 ÷ 30 = 16 1/3

Your answer is 16 1/3

Hope this helps. :)

6 0

3 years ago

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