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nordsb [41]
3 years ago
12

20 POINTS a ball rebounds 1/2 of the height from which it is dropped. Assume the ball is dropped 128 feet from the top of a scho

ol and keeps bouncing. How far will the ball have traveled up and down when it strikes the ground for the fifth time?
Mathematics
1 answer:
scZoUnD [109]3 years ago
7 0
Hiii hdjsjskeidiehegeheiisdi d
You might be interested in
Jerry is a judge. He hears 5 cases in 2 3/8 hours. How many cases does he hear per hour
Serggg [28]

Answer:

Jerry does 2.11 cases per hour (Rounded to 2 decimal places). As we cannot do 0.11 cases. We can say Jerry does 2 cases per hour.

Step-by-step explanation:

to find the number of cases per hour, we have to divide the number of cases by number of hours taken for those cases,

Number of cases per hour = \frac{5cases}{2\frac{3}{8} hours}

                                             =\frac{5}{\frac{19}{8} } \\ cases per hour

                                             =\frac{5*8}{19} cases per hour

                                             =\frac{40}{19} cases per hour

                                              =2.11 cases per hour (Rounded to 2 decimal places)

As we cannot do 0.11 cases. We can say Jerry does 2 cases per hour.

4 0
4 years ago
Find a recurrence relation for the number of permutations of a set with n elements
Diano4ka-milaya [45]

Answer:

here

Step-by-step explanation:

here

u can see in pictures

5 0
3 years ago
Calcula el 23 % de 175
weqwewe [10]

Answer:40.25

Step-by-step explanation:

23% of 175

23/100 x 175

(23 x 175)/100

4025/100=40.25

5 0
4 years ago
Each week, Rosario drives to an ice-skating rink that is 60 miles away. The round-trip takes 2.75 hours. If he averages 55 miles
vazorg [7]

Answer:

The answer to your question is x = 4d/t - S1

Step-by-step explanation:

Data

total time = t = 2.75 hours

Initial speed = S1 = 55 mi/h

Final speed = x

distance = d = 60 mi

Formula

speed = distance / time

Average speed = (Initial speed + final speed)/2  or

                          = (S1 + x)/2

Substitution

                             (S1 + x)/2 = 2(d) / t

Solve for x

                             x = (2d/t)2 - S1

Simplification and result

                              x = 4d/t - S1

3 0
3 years ago
For which equation is a = 4 not the solution?<br><br> 9 a = 36<br> 5 a = 54<br> 8 a = 32
Shalnov [3]
The correct answer is 5a = 54
5 0
3 years ago
Read 2 more answers
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