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Alex787 [66]
3 years ago
10

Pls answer this is a khan academy question

Mathematics
1 answer:
inysia [295]3 years ago
7 0

Answer:

  • Oak tree - linear
  • Birch tree - exponential

Step-by-step explanation:

The first table represents a linear function

  • For each 3 years, the rise of branches is ~12

The second table represents an exponential function

  • For each years time, the branches increase ~4 times
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Please help anyone plese lol
Kobotan [32]

Answer:

19.5

Step-by-step explanation:

78÷4

=39÷2

=19.5

The Answer is 19.5

3 0
3 years ago
Read 2 more answers
A tennis team has won 15 out of 20 matches they played this season. How many additional matches must the team win in a row to ra
LuckyWell [14K]
You need to win 30 matches in a row to raise its winning percentage to 90%
7 0
3 years ago
Which of the following can be modeled with an exponential function? Select all that apply.
bogdanovich [222]

Answer: The answers are

(ii) The cost to attend Universal Studios increases by 1% each year,

(iii) An endangered species population is decreasing by 12% each year,

(iv) The population of a town that is growing by 5% each year.

Step-by-step explanation:  We are given five functions and we are to select those which can be modelled with an exponential function.

(i) Here, height is varying with respect to time, so it will be a linear function.

(ii) Here, the cost to attend Universal Studios is increasing by 1% every year, so this will be an exponential function.

(iii) Here, an endangered species population is decreasing by 12% each year.

So, this will also be an exponential function.

(iv) Since we are considering the distance travelled by the bicycle at a constant speed of 25 mph, so this will be a linear function.

(v) Here also the population is growing by 5% each year. So, the function will be exponential.

Thus, the correct answer is second, third and fifth.

3 0
3 years ago
Read 2 more answers
Twenty-two more than a number is 47
Karo-lina-s [1.5K]

Answer:

the number is 25

Step-by-step explanation:

If the number is n, then twenty-two more is n + 22

which equals 47, so n+ 22 = 47

n = 47 - 22 = 25

8 0
3 years ago
Ok I’m actually dumb lol help me please.
mezya [45]

Answer:

x =20

Step-by-step explanation:

As a line is 180 degrees

So 7x + 40 would be 180, which would lead us with the equation:

7x+40=180

=7x =140 (minus both sides by 40)

=x =20 (divide both sides by 7)

3 0
3 years ago
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