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vampirchik [111]
3 years ago
9

21. Andre grew a plant for a science experiment. At the end of his

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0

Answer:

100.8÷3.6=28

he grew the plant for 28 days

kotegsom [21]3 years ago
4 0

Answer:

he answer is 140 minutes to plant 14 saplings.

Step-by-step explanation:

30 divided by 3=10

so it takes 10 minutes to plant one sapling.

10x14=140 so this is how you get your answer. im 99% sure

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Read 2 more answers
Determine A:B:C, if A:B= 2:3 and B:C =4: 5​
cestrela7 [59]
I’m confused what we are suppose to do
6 0
3 years ago
Please simplify n-2/n^2-4
Doss [256]

Answer:

\frac{1}{ {n}   +   {2}}

Step-by-step explanation:

\frac{n - 2}{ {n}^{2}  - 4}  \\  \\  =  \frac{n - 2}{ {n}^{2}  -  {2}^{2} } \\  \\  = \frac{n - 2}{ ({n}   +   {2})({n}  -  {2})} \\  \\  =  \frac{1}{ {n}   +   {2}} \\

8 0
3 years ago
marys age is 2 upon 3 that of peters age. two years ago marys age was 1 upon 2 of whats peters age will be in 5years time. how o
Nitella [24]

Answer:

the Peter age be 27

Step-by-step explanation:

Let assume peter be

And, then mary is 2p ÷ 3

So

The equation would be  

2p ÷ 3  - 2 = 1 ÷ 2 (p + 5)

4p - 12 = 3p + 15

p = 27

So Peter age be 27

And, the mary age is

= 2 (27) ÷ 3

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Hence, the Peter age be 27

4 0
2 years ago
Vanessa wants to earn an 85% grade in her Statistics class. She has one quiz left to take. On the first 4 quizzes, she received
grandymaker [24]

Answer: They would have to score an 88%

Step-by-step explanation:

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2.) 337 divided by 4 is 84.25%

3.) If you add 88 to 337 and divide by 5, you get 85%

6 0
3 years ago
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