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tigry1 [53]
2 years ago
5

What is the probability that the sum of two rolled number cubes is 6, given that you

Mathematics
1 answer:
BlackZzzverrR [31]2 years ago
3 0

Answer:

1/3

Step-by-step explanation:

reduce 2/6 by dividing by 2

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They can give them flaws and gave them overcome those flaws! Maybe it causes problems in the long run and they have to fix it to solve those problems?
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3 years ago
The sum of three numbers is 9.The sum of twice the first​ number, 4times the second​ number, and 5times the third number is 25.T
Karo-lina-s [1.5K]

Answer:

x = 6, y = 2, z = 1

Step-by-step explanation:

This is a system of 3 equations with 3 unknowns.  We need to first write the equations given the information and then solve them.

The first equation is the sum of 3 numbers, all unknown, is 9:

x + y + z = 9

The second equation is again a sum:

2x + 4y + 5z = 25

The third equation is the difference of only the first 2 numbers:

6x - y = 34

We will start with that last equation and solve it for y:

-y = -6x + 34 so

y = 6x - 34

Now we will go back to the first 2 equations and sub that 6x-34 in for each y.  The first equation then becomes:

x + 6x - 34 + z = 9 and 7x + z = 43

The second equation then becomes:

2x + 4(6x - 34) + 5z = 25 and 26x + 5z = 161

We will solve those 2 bold equations by addition/elimination:

  7x  +  z  =  43

26x  + 5z = 161

Multiply the first equation through by -5 to get rid of the z's.  That equation then becomes:

 -35x  -  5z  =  -215

  26x  + 5z  =  161

Adding straight down the columns gives you

 -9x  =  -54 so

x = 6

Now we can plug that x value of 6 into any equation that has an x in it:

26(6) + 5z = 161 and

156 + 5z = 161 and

5z = 5 so

z = 1.

We can use the x value only again in the equation we solved for y in the beginning:

y = 6(6) - 34 so

y = 36 - 34 and

y = 2

The solution to this system in coordinate form is

(6, 2, 1)

5 0
3 years ago
if you are making cornbread the recipe calls for 2/3 cup milk you are doubling the recipe how much milk is needed
s2008m [1.1K]

Answer:

1 1/3 cups

Step-by-step explanation:

To double, multiply by 2

2/3 * 2

4/3

Change to a mixed number

3/3 + 1/3

1 1/3 cups

3 0
3 years ago
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What is the dependent variable and what is the independent variable?
nlexa [21]
<span>If an equation shows a relationship between x and y in which the value of y is dependent upon the value of x, y is known as the dependent variable and is sometimes referred to as 'function(x)' or f(x). The final solution of the equation, y, depends on the value of x, the independent variable which can be changed.</span>
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3 years ago
Ellen has 3/4 jar of jelly, after she makes sandwhichs, she has 2/5 jar of jelly left, how much jelly did she use?
Zigmanuir [339]

Answer: 7/20

Step-by-step explanation:

I looked it up

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3 years ago
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