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Mekhanik [1.2K]
3 years ago
12

Yohan Blake ran the 100-meter race in the 2012 Olympics in 9.75 seconds. Compare the speeds if he ran the 200-meter race in 19.5

seconds.
Mathematics
1 answer:
Pavel [41]3 years ago
8 0

Answer:

The speeds are equal.

Step-by-step explanation:

<em>100 meters in 9.75 seconds</em> compared to <em>200 meters in 19.5 seconds</em>.

(100 m)/(9.75 s) = 10.2564 m/s

(200 m)/(19.5 s) = 10.2564 m/s

The speeds are equal.

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The numbers 1-10 are written on note cards and placed in a bag. One card will be drawn from the bag at random..
marusya05 [52]

Answer:

Sample space: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

Yes, both have 50% probability

No, first event has 30% probability and second one has 20% probability

Step-by-step explanation:

As we have a total of 10 note cards, each if a number from 1 to 10 (each card with a different number) and we want to draw one card at random, the sample space is each of the 10 numbers in the note (sample space with 10 elements):

1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

From this 10 numbers, we have a total of 5 odd numbers and 5 even numbers, so the events of selecting an even number and selecting an odd number are equally likely (the probability of both events are 5/10 = 50%)

The numbers from the sample space divisible by 3 are:

3, 6, 9 (so a total of 3 elements, probability of 3/10 = 30%)

The numbers from the sample space divisible by 5 are:

5, 10 (so a total of 2  elements, probability of 2/10 = 20%)

As the probabilities are different, these events are not equally likely

6 0
3 years ago
Add the following numbers. -6 + 5 =
romanna [79]
-6 + 5
= -1.
Regards............
4 0
3 years ago
Read 2 more answers
Jerome bought screen for 59 cents per sq ft. how much did 12 sq ft cost
Gre4nikov [31]

Answer:

$7.08

Step-by-step explanation:

59 cents = 1 sq ft

? = 12 sq ft

To get from the 1 to the 12 we multiply by 12, so we must do the same to the 59 cents.

0.59 * 12 = 7.08

Therefore, the cost of 12 sq ft is $7.08.

Please mark brainliest if possible and have a nice day.

4 0
3 years ago
A corn silo contains 8,250 cubic feet of corn before it is
QveST [7]

Answer:

V=8250-18*c

Step-by-step explanation:

The equation will be:

V=8250-18*c

Where:

  • V is the volume of corn in the silo after loading begins.
  • 8250 is the initial volumen on the silo before the loading begins.
  • 18 is the 18 cubic feet per hour given as rate of loading.
  • c is the number of hour elapsed after loading begins.

To find the volume, V, of the  corn in the silo c hours after loading begins, we substract from the initial volume the quantity of corn loaded and this is 18*c, that is the number of hour elapsed multiplyed by the rate of loading.

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3 years ago
A bus travels for 24 at 54m/s what is the distance
Kamila [148]

Answer:

77760 meters I guess

Step-by-step explanation:

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3 years ago
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