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Sonja [21]
3 years ago
8

How do I find the mean change in elevation of. A snowboarder. Who descends a 1200 foot hill in 3 minutes

Mathematics
1 answer:
iren [92.7K]3 years ago
6 0
To find the change in elevation all you need to do is divide 3 from 1200
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Y = 7/8u + 9, solve for u
vivado [14]

Answer:

u=\frac{8y-72}{7}

Step-by-step explanation:

Flip the equation.

\frac{7}{8}u+9=y

Add -9 to both sides

\frac{7}{8}u+9(-9)=y(-9)

\frac{7}{8}u=y-9

Divide both sides by 7/8

u=\frac{8y-72}{7}

hope this helps

3 0
4 years ago
Help please!!!!!!!!!!!!!!!!!!!!!!!
Artist 52 [7]

9514 1404 393

Answer:

  a) $336

  b) $1036

Step-by-step explanation:

a) The interest is computed using the formula ...

  I = Prt

where P is the amount invested at rate r for t years.

  I = $700·0.08·6 = $336

The interest earned is $336.

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b) The balance of the account is the sum of the original amount and the interest earned:

  balance = $700 +336 = $1036

The balance of the account is $1036.

5 0
3 years ago
A bag has 4 red marbles,5 blue, 3 green and 1 yellow. what is the probability of pulling a red marble.
Hitman42 [59]

Answer:

4/13 is the answer

total = 4+3+5+1= 13

let a be the event of getting red marbles= total is 4

probability=4/13

6 0
2 years ago
Read 2 more answers
8 times the square of a nonzero number is equal to 96 times the number. What is the number?
Bingel [31]
8x^2 = 96x
8x^2 - 96x = 0
8x(x - 12) = 0

8x = 0....x = 0

x - 12 = 0
x = 12

ur number is 12

5 0
4 years ago
Read 2 more answers
Please help me i’ll give u a brainliest
S_A_V [24]

Answer:

8.94 inches

Step-by-step explanation:

Solve for hypotenuse.

5 0
3 years ago
Read 2 more answers
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