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Inga [223]
3 years ago
9

It's 1:00 p.M. And I've driven 120 miles. At 3:00 p.M. I will have driven 208 miles. What is my speed?

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0

Answer:

44 miles/hour

Step-by-step explanation: since speed = distance/time

                                                                   = 88miles/2hours

                                                                   =44miles/hour


statuscvo [17]3 years ago
5 0

From 1 pm to 3 pm is 2 hours.

208 miles - 120 mile = 88 miles


You drove 88 miles in 2 hours.


Speed = miles driven /  time driven:

88 / 2 = 44 miles per hour


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5.241 divided by 3 please help me​
SOVA2 [1]

Hey Mate!

Your answer is

1.747

Tell me if this helps!<3

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The answer I got is (-6,-2) the x value is -6
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Please can someone solve this
Crazy boy [7]

Answer:

200.86

Step-by-step explanation:

Using the formulas:

A=πr2

C=2πr

Solving for A:

A=C2

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I hope this helps.

4 0
2 years ago
stefan is three years younger than his sister katie. The sum of Stefans age three years ago and 2/3 of katies age at that time i
sammy [17]

If x is the age of S

And y is the age of K

So we have x=y+3

And the second equation is x-3 + 2/3)y = 12

We have to solve the system

x-y=3

x+2/3y=15

we find x=10.2 and y=7.2

<span>so Katie is 7 </span>

3 0
3 years ago
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The yearly Penn rock-paper-scissors tournament has come down to the final series between Zach and Shaya. They play a best-of-thi
Zepler [3.9K]

Answer:

p=41.79%

Step-by-step explanation:

First let us remember the calculation of a probability:

p=\frac{number of favorable outcomes}{total number of possible outcomes}

In this case let's calculate the number of possibilities of winning the tournament when either one of them, Zach(Z) or Shaya(S), wins the first game (number of favorable outcomes). That is:

Given that Z or S won the first game, the player has another 6 possibilities of winning among 12 remaining games, which is a combination:

number of favorable outcomes = 12C6 = 924

Therefore, the winner of the first game has 924 opportunities of winning 6 other games among 12 games and be the tournament winner.

Now, we must find the number of total possible outcomes, which we may analize as it follows:

Assuming that the first winner Z or S loses the tournament we have several outcomes:

1. After winning the first game, the player doesn't win again, then we have 0 possbilities among 7 other games, this is because the next player would win the tournament winning 7 games in a row. We then have the combination 7C0.

2. The player wins just one more game, but doesn't win again. Now we have 1 possibility among 8 games, given that the other player would win the other 7 games. We then have the combination 8C1.

3. The player wins just two more games, but doesn't win again,  now we have 2 possibilities among 9 games, given that the other player would win the other 7 games. We then have the combination 9C2.

And so on until we reach the outcome where the player wins 5 more games, but doesn't win again,  then we have 5 possibilities among 12 games, given that the other player would win the other 7 games. We then have the combination 12C5.

Now, we must also consider all the outcomes where the first winner wins the tournament, that is the first combination we calculated: 12C6

Therefore we obtain the following:

total number of possible outcomes = 7C0+8C1+9C2+10C3+11C4+12C5+12C6

total number of possible outcomes = 2,211

We have now the elements to calculate the probability:

p=\frac{924}{2,211}=0.4179

Hence, the probability that the winner of the first game wins the tournament is 41.79%

7 0
3 years ago
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