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Salsk061 [2.6K]
3 years ago
14

John buys two types of tree saplings. One starts out at 40 cm and will grow 10 cm every three months. The other sapling starts a

t 20 cm and will grow 10 cm every two months. After how many months will they be the same height, and how tall will they be?
Mathematics
1 answer:
Anika [276]3 years ago
8 0

Answer: theyll be the same at 12 months

y=10/3x+40

y=5x+20

Step-by-step explanation:

whats the answer to problem one

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In gym class, sue is shooting basketball free throws. she is shooting three sets of twenty shots each. in her first two attempts
xeze [42]

In order to achieve an average of 12 successful shots she has to score 36 times in total. So, she has to score 5 times in the 3rd set. 
13 + 18 + 5 = 36

In order to achieve an average of 16 successful shots she has to score 48 times in total. So, she has to score 17 times in the 3rd set. 
13 + 18 + 17 = 48

Express your answer in the form of a compound inequality using the variable F to represent a successful basketball free throw:
5 <= F <= 17

3 0
3 years ago
With both taps open, Blake can fill his kitchen sink in 6 minutes. When full, the sink drains in 10 minutes. How long will it ta
exis [7]

The time to fill the sink if Blake forgets to put in the stopper would be 15 mins.

Step-by-step explanation:

Given that,

The kitchen sink can fill in: 6 mins

The sink can drain in: 10 mins

We have to find the time to fill the sink if Blake forgets to put in the stopper. For that,

Lets say, the full tank = 1

Filling rate = \frac{x}{6}

Drainage rate = \frac{x}{10}

Hence, the time to fill the tank would be:

\frac{x}{6}  - \frac{x}{10}  = 1

30.\frac{x}{6}  - 30.\frac{x}{10}  = 30.1  (Multiply by LCM)

5x - 3x = 30

2x = 30

x = 15

Hence, the time to fill the sink if Blake forgets to put in the stopper would be 15 mins.

6 0
3 years ago
The sum of 2 numbers is 45. The larger number is 17 more than the smaller number. What are the numbers
gayaneshka [121]

Answer:

the numbers are 31 and 14

Step-by-step explanation:

since the larger number is 17 more than the smaller number,

larger number= x

smaller number= x-17

x-17+x=45

2x=45+17

2x=62

x=31

x-17=31-17

3 0
3 years ago
Round 71.916476787 to 1 decimal place.
jasenka [17]

Answer:

71.9

Step-by-step explanation:

Whenever you want to round a number to a particular digit, look only at the digit immediately to its right. For example, if you want to round to the nearest tenth, look to the right of the tenths place: This would be the hundredths place digit. Then, if it is 5 or higher, you get to add one to the tenths digit.

6 0
3 years ago
Read 2 more answers
Can someone help me? thanks!
masha68 [24]
So you know that 1 cubic foot is equal to 80 pounds. So, the first point would be (1,80). 
You can find the other points by multiply 80 by a number, and when I did that, I got (2,160) and (3,240) too.

I hope this helps :)
6 0
3 years ago
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