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Pepsi [2]
3 years ago
12

Which of the following describes a situation in which the total distance a baseball player travels is zero meters from his start

ing point?
Mathematics
1 answer:
galina1969 [7]3 years ago
3 0
If he stands still maybe?
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Solve 2/3 x - 4 = -2
marta [7]

Answer:

- 9

Step-by-step explanation:

2/3 x - 4 = -2

2/3 x = -2+4

x = 6 * (-3/2)

9 = -9

7 0
3 years ago
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A car increases, then decreases, its speed. Which table could represent the speed of the car?
lakkis [162]

Answer:

B is answer

Step-by-step explanation:

3 0
2 years ago
A chemist is mixing two solutions, solution A and solution B Solution A is 15% water and solution Bis 20% water. She already has
slavikrds [6]

Answer:

15 mL of the solution with 20% water will be needed.

Step-by-step explanation:

Use the inverse relationship

10 mL * (18-15)% = x mL * (20-18)%

x = 10 mL * (3/2) = 15 mL

4 0
3 years ago
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It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long doe
lina2011 [118]

Answer:

Time taken by the un powered raft to cover this distance is T = 192.12 hr

Step-by-step explanation:

Let speed of boat = u \frac{km}{hr}

Speed of current = v \frac{km}{hr}

Let distance between A & B = 100 km

Time taken in downstream = 32 hours

32 = \frac{100}{u +v}

u + v = \frac{100}{32}

u + v = 3.125 ------ (1)

Time taken in upstream = 48 hours

48 = \frac{100}{u -v}

u -v = \frac{100}{48}

u - v = 2.084 ------- (2)

By solving equation (1) & (2)

u = 2.6045 \frac{km}{hr}

v = 0.5205 \frac{km}{hr}

Now the time taken by the un powered raft to cover this distance

T = \frac{100}{v}

Because un powered raft travel with the speed of the current.

T = \frac{100}{0.5205}

T = 192.12 hr

Therefore the  time taken by the un powered raft to cover this distance is

T = 192.12 hr

3 0
3 years ago
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Megan has practiced the piano for 7.5 hours over the course of this week. She practices on Tuesdays, Thursdays, and Saturdays. H
gulaghasi [49]

Answer:

150

Step-by-step explanation:

you have three days and 7.5 so decide 7.5 by 3 it equals 2.5 which in minutes is 150

7 0
2 years ago
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