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notsponge [240]
3 years ago
8

Divide 63 apples into two groups so the ratio is 2 to 1

Mathematics
1 answer:
GalinKa [24]3 years ago
3 0
1) 2x+1x= 63
2) 3x= 63
3) 3x/3= 63/3
4) x= 21
5) 2(21)+1(21)=63
6) 42+21= 63
The 2 groups would be 42 to 21.
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(x,-2) and (-9,1);slope: -3
amid [387]

Answer:

x= -10

Step-by-step explanation:

The equation is y2-y1 over x2 over x1 so

1-(-2) over -9-(x)=3

1+2=3 over -9-(x)

3/-9-x   times -9-x  = 3  times -9-x

3=3(-9-x)

3=-27-3x

3+27=-3x

30= -3x

-10= 3x

hope it helps man!!! :)

ps may i have brainliest so i can level up

6 0
3 years ago
What is the conditional probability that exactly four heads appear when a fair coin is flipped five times
cestrela7 [59]

Answer:

5/32

Step-by-step explanation:

If a coin if flipped five times with four heads, then it has exactly one tail. The number of way to arrange four heads and one tail are as follows:

T H H H H

H T H H H

H H T H H

H H H T H

H H H H T

Essentially, there are five way because there are five "positions" where the tail could be.

Then, you need to find the total amount of possibilities for flipping a coin five times. Every time you flip it, there are two possibilities- heads and tails. Therefore, for five flips, the total amount of possibilities is

2x2x2x2x2 = 32

You know that

probability= # of desired outcome

                   ----------------------------------  

                      # of total outcomes

So the probablity is 5/32.

8 0
3 years ago
The price of one share of stock in BadInvestment.com plunged 14 points in 4 weeks. Find the average change in stock price per da
mariarad [96]
averge\ change=\frac{number\ of\ points}{number\ of\ days}\\\\
4week=28days\\\\
average\ change=\frac{14}{28}=0,5\frac{stock}{day}\\\\Solution\ is\ 0,5\frac{stock}{day}.
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3 years ago
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Dwayne would have to use 7 gallons im pretty shure.
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