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anastassius [24]
2 years ago
15

A tree 5 ft tall grows an average of 8 in. each year. Write an equation to model the tree's height h in inches after y years.

Mathematics
1 answer:
WINSTONCH [101]2 years ago
4 0
5 + (8*y) = h 

This was the best I could think of, please let me know if I'm wrong.
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The 18th term of an arithmetic sequence is 49 and the first term is 15.
Tju [1.3M]

Answer:

33

Step-by-step explanation:

49-15=34

34/17=2

For this sequence, you can write this function:

f(x)=15+2(x-1)

Check:

f(18)=15+2(18-1)

f(18)=15+2(17)

f(18)=15+34

f(18)=49

So:

f(10)=15+2(10-1)

f(10)=15+2(9)

f(10)=15+18

f(10)=33

5 0
3 years ago
Milo bought 12 nails for $6. Use the unit rate of cost per nail to complete the table of values for the proportional relationshi
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3 years ago
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Cylinder B is proportional to Cylinder A.
Anarel [89]

Answer:

scale factor=3/2

Step-by-step explanation:

scale factor=6/4=3/2

6 0
2 years ago
If your cell phone bill was $67.85 and there is a 7.5% late fee how much will your bill be?
dedylja [7]

67.85 \times .075 = 5.08875 \\ 67.85 + 5.08875 = 72.94
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Identify is this is percent increase or percent decrease, then calculate percentage
vlabodo [156]

<em>Last year the chess club had 30 members. This year the club has 24 members. </em>

Last year, the chess club had 30 members. This year, the club has 24 members. Since this year had less than last year ( 30 > 24), the percent will be decreasing.

To find the percent decrease, you have to use the following formula.

\frac{Difference}{Original} \times 100

Difference refers to the difference between the two numbers, 24 and 30. The difference between 24 and 30 is 6. Original refers to the original number, which is last year's amount of members in the chess group. Therefore, original = 30.

Substitute the numbers into the formula.

\frac{Difference}{Original} =\frac{6}{30} =0.2

To convert the decimal to a fraction, multiply the decimal by 100.

0.2 \times 100 = 20 \%

The answer is the number of chess members decreased by 20%.

____

Since I started off by identifying whether it was decreasing or increasing, I did the work a bit differently. When finding the difference, you would usually subtract 30 from 24, which results in -6. Above I used 6, but if you used -6, you would end up with a result of -20%, which means it decreased by 20%. They bot end up with the same result, but you don't always have to first identify whether it's decreasing or increasing.

____

3 0
3 years ago
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