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crimeas [40]
3 years ago
14

A student has two identical sheets of paper. he crumples one up into a small ball. if he drops the sheet of paper and the ball o

f paper off a building at the same time, which will reach the ground first and why?
Mathematics
2 answers:
Anna [14]3 years ago
8 0
The small ball will because air resistance has less effect on it than it does on the piece of paper.  Physics 101 here.  I love Physics!
Vilka [71]3 years ago
5 0
The air resistance acting on the un-crumbled sheet is greater.
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Answer:

Cost for 35 songs:  1(35)+11=46

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Step-by-step explanation:

6 0
3 years ago
You draw a card at random from a deck that contains 333 black cards and 777 red cards. What is \text{P(draw a black card})P(draw
enot [183]

Answer:

The probability of picking a black card at random, from a deck with 3 black cards and 7 red ones is 0.3.

Step-by-step explanation:

We will assume that we have 3 black cards and 7 black cards, for a total of 10 cards. Since we are taking one card at random, we can assume that each card is equally likely to be drawn. We have the following event A: The drawn card is a black. We will find the probability of A as counting the number of outcomes that make A to occur and divide it by the total number of possibilities. We are drawing one card, so we have 10 possibilities to be picked. Out of those 10, only 3 cards are black, hence we have 3 possibilites of picking a black card.

Then,

P(A) = 3/10 = 0.3.

6 0
3 years ago
0.3643 in scientific notation
lord [1]
3.643 x 10^-1 would be the answer
7 0
3 years ago
Read 2 more answers
Describe the error in the picture?
Veseljchak [2.6K]

Answer:

it says 2 for $10 when you can easily get 2 for $7.60

Step-by-step explanation:

6 0
3 years ago
Please answer correctly.
Murljashka [212]

In order to find the amount left after both sisters ate the cereal, we have to add the amount of cereal the two sisters ate.

Katrina ate 1 3/4 and her sister ate 7/8.

(1 3/4 + 7/8)

(you put a parentheses around it so that you add the two first before subtracting it from the original amount)

Then, we would subtract it from the original amount: 12 1/2.

-> The equation would be: 12 1/2 - (1 3/4 - 7/8).

3 0
3 years ago
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