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AveGali [126]
3 years ago
8

PLEASE HELP ASAP 20 POINTS THIS IS AN ALGEBRA 2 QUESTION PLEASE ONLY HELP IF SERIOUS

Mathematics
2 answers:
algol133 years ago
8 0

Answer:

A. 40°C B. -10°C per kilometer

Step-by-step explanation:

As the height increase, the temperature decreases.

german3 years ago
4 0

Answer:

Step-by-step explanation:

At height of 0 km above the surface, temperature is 40°C.

:::::

At the height increases, the temperature decreases.

Rate of temperature decrease = 40°/(4 km) = 10°/km

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What is the 20th term in the sequence. f(n) = 9n - 12
Lerok [7]

Answer:

f(20) = 168

Step-by-step explanation:

To find the 20th term, substitute n = 20 into f(n) , that is

f(20) = 9(20) - 12 = 180 - 12 = 168

6 0
3 years ago
maxine took out a loan for $3200 at 8% interest, compounded annually. if she makes yearly payments of $250, will she ever pay of
UkoKoshka [18]

Solution:

As per the problem

Maxine took out a loan for $3200 at 8% interest, compounded annually.

she makes yearly payments of $250.

she will be able to Payoff her loan iff yearly payments made is greater than yearly interest.

Interest payable in first year =3200(1+0.08)-3200=3200*1.08-3200\\

Interest payable in first year=3456-3200=256

This payable interest will goes on increasing year on year.

Hence Maxine will never payoff the loan.

4 0
3 years ago
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Solution<br> n/8+1/2 = -3 1/2
earnstyle [38]

Answer:

n= -32

Step-by-step explanation:

7 0
3 years ago
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Kelly earns $178.50 in interest on an account that earns simple interest at a rate of 4%. If she kept the money in the account f
Otrada [13]

Answer:

  $892.50

Step-by-step explanation:

The amount of interest earned is given by ...

  I = Prt

Filling in the given values, we have ...

  $178.50 = P·0.04·5

Dividing by 0.20 gives ...

  $178.50/0.20 = P = $892.50

The principal amount in Kelly's account is $892.50.

7 0
3 years ago
If 2 coins is flipped 200 time, how many times would youe expect to land on heads​
Art [367]

Answer:

200 times

Step-by-step explanation:

400÷2=200

because the next 200 would be landing on tails

6 0
3 years ago
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