You plant a tree that is 36 inches tall. After one year, the tree is 43 inches tall. Write an expression which describes the percent of increase in the trees height?

Answers

Answer 1

Answer: 36 - 100%
43 - x %

we multiply by cross -> 36 * x = 100 / 43

we should remove '100%' from new value, because we find only increase.. no new value in percent.

x + 100 = (43 * 100)/36

x = 4300/36 - 100
x = 119+ 16/36 -100
x = 19 +4/9

Answer 2

Answer: $((h_(f)-h_(o)))/(h_(o)) *100$

$((43-36))/(36) *100$

$(7)/(36) *100$

$0.1944*100$

19.44

19.44% increase

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Haru needs to be at school at 8:15.If it takes him 20 minutes to walk to school,15 minutes to eat breakfast,and 12 minutes to get dressed and brush his hair,what time should he get up?

Answers

Answer:

7:28

Step-by-step explanation:

If you want to estimate, 7:30.

20 + 15 + 12= 47 minutes

If it takes him 47 minutes to get ready, then 47 minutes away from 8:15 is 7:28.

What is the volume of a cone that has a height of 7 mm and a radius of 3 mm?Use 3.14 to approximate pi and express your answer in hundredths.

Answers

So we want to know the volume V of a cone with a height h=7 mm and of radius r=3 mm rounded to the nearest hundreth. We need the formula for the volume of a cone: V=(1/3)*pi*r^2*h. Now we simply input the numbers and get: V=65.94 mm^2 and that is rounded to the first hundreth.

What integer represents a credit of $35 if zero represents the original balance?

Answers

Integers are the whole numbers who can take both negative as well as positive values. The integer represents a credit of $35 is +35.

Zero represents the original balance in the account.

Now, the amount of $35 is credited.

Representation:

When the amount of $35 dollar credited then it can be represented with the green color of positive 35 integer in the account.

Thus, the amount is credited should be represented as +35 dollar.

To know more about it, please refer to the link:

brainly.com/question/11082920

it should be -35 because negative interfere represent below zero

3 h 6 min 45 sec+8h 55 mins 20 sec

Answers

3 hours . . . 6 minutes . . . 45 seconds
+ 8 hours . . 55 minutes . . . 20 seconds
________________________________
11 hours . . 61 minutes . . . 65 seconds

But 65 seconds = 1 minute . . . 5 seconds

11 hours . . 62 minutes . . . 5 seconds

But 62 minutes = 1 hour . . . 2 minutes

12 hours . . 2 minutes . . . 5 seconds

I think this is regrouping, but with 60s instead of 10s.

Convert them both to minutes to get: 186 mins and 45 sec + 535 mins and 20 sec

Add to get: 772 mins and 5 sec

A piece of driftwood floats on the surface of the ocean. Due to the wave motion, its height rises and falls relative to the height of the water with no waves. The maximum height of the driftwood is 2 ft, relative to the surface, and its minimum height is −1.5 feet. A storm surge causes the height of the waves to be multiplied by 4.
What is the minimum height of the driftwood in the storm? __________ ft.
What is the distance between the maximum and minimum heights of the driftwood during the storm? ______________ ft.

Answers

Assuming that both the max and min heights of the wave are multiplied by 4, the new max height is 2*4 =8ft, and the min height is -1.5*4 =-6ft.

What is the minimum height of the driftwood in the storm? -6ft.
What is the distance between the maximum and minimum heights of the driftwood during the storm? 8ft-(-6ft)=14 ft.

A square pyramid is shown. What is the surface area? 19.25 cm2
30.625 cm2
49.625 cm2
61.25 cm2

Answers

Given:
square based pyramid = 3.5 cm base
side length = 7 cm

Base Area = (3.5cm)² = 12.25cm²

Surface Area = Base Area + 2sl = 12.25cm² + (2 * 3.5cm* 7cm)
S.A = 12.25 cm² + 49 cm²
S.A = 61.25 cm²

Answer:

The answer is C, 61.25

(Why? Because I do FLVS too! :D And it came on right!)

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