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Yuri [45]
3 years ago
11

Please help me with number 2 (15pts)

Mathematics
1 answer:
kipiarov [429]3 years ago
4 0

Answer:

this only iz 8 pts tho ;(

Step-by-step explanation:

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Last season a Major League Baseball player got 160 hits in 200 times at bat. If the player expects to bat 400 times in the entir
zimovet [89]

Answer:

He's expected to hit 320 times.

Step-by-step explanation:

To solve this problem we first need to compute the ratio at which he hit the ball in the last season, to do that we need to divide the number of hits by the number of tries. We have:

ratio = number of hits/ number of tries

ratio = 160/200 = 0.8

Since he's expected to bat 400 times if he maintains the same ratio in this season he'll hit:

number of hits = (number of tries)*ratio

number of hits = 400*0.8 = 320

He's expected to hit 320 times.

8 0
3 years ago
Juan can do 48 jumping jacks in 2 minutes. How many jumping jacks will Juan have completed after 17 minutes?
Serhud [2]

Answer:

384 and a half.

Step-by-step explanation:

Took me a while, but just add 48 for every 2 minutes.

8 0
4 years ago
After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the dish decrease
Crazy boy [7]

Answer:

  0.17

Step-by-step explanation:

The function can be rewritten as ...

  B(t) = 9300·((1/2)^6)^t = 9300·(1/2)^(6t)

In order to multiply the number of bacteria by 1/2, the value of the exponent 6t must be equal to 1:

  6t = 1

  t = 1/6 ≈ 0.166667 ≈ 0.17

The culture loses half its size every 0.17 seconds.

7 0
4 years ago
Which numbers are correctly in scientific notation
Genrish500 [490]

Answer:

All except the second, third, fourth and seventh option.

Step-by-step explanation:

Scientific notation is always a number more than or equal to 1, less than 10 multiplied by 10 to a power. Anything else is considered wrong.

x•10^n while 1<=x<10

7 0
3 years ago
Find the highest common factor of 1080, 1188 and 1815.
defon

Answer:

The highest/greatest common factor of 1080, 1188, and 1815 is 3. :)

5 0
3 years ago
Read 2 more answers
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