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djyliett [7]
3 years ago
12

HELP ITS MY LAST QUESTION WITH STEP BY STEP

Mathematics
2 answers:
kykrilka [37]3 years ago
8 0

Answer:

To find out how many more Janet has than Andy's we need to add up their final scores:

Janet; 119 + 96 + 145 = 360

Now it's time to add Andy's score up:

Andy; 127 + 74 + 88 = 289

Next we subtract their scores together:

360 - 289 = 71, she won by 71 points more.

Setler [38]3 years ago
8 0

Answer:

71 more points

Step-by-step explanation:

Janet's score is :

119 + 96 + 145 = 360

Andy's score is :

127 + 74 + 88 = 289

Difference = 360-89 = 71

Janet has 71 more points than Andy

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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Step-by-step explanation:

y - 5 = 3(x - 1)

y - 5 = 3x - 3

3x - y = -2.

The standard form is 3x - y = -2.

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Type the correct answer in each box. If necessary, use / for the fraction bar(s).
Eduardwww [97]

Answer:

x=5/6 and y=8/5

(5/6 , 8/5)

Step-by-step explanation:

You can use the elimination method! The point of this method is to add or subtract one equation from the other, multiplying them by constants if necessary, to cancel out one variable so you can solve for the other. Then, you can plug the value you got for your solution into either equation to solve for the other. I'll demonstrate.

Look at the two equations and the coefficients of both variables. You have 12x and -6x -- 6*2=12, so this is perfect. (You could also eliminate the y because 5*3=15, but I'll show you by eliminating the x instead.)

Here's what that looks like:

(-6x+1y=3)2

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So we just multiplied the second equation by 2 on both sides. Let's see how that helps us.

12x+15y=34

-12x+10y=6

If we add the two equations now, x will be canceled out and we can solve for y.

   12x+15y=34

+(-12x+10y=6)

___________

     0x+25y=40

           25y=40

0x=0, so we can get rid of the x. Now, we need to solve for y.

25y=40

y=40/25

You probably know how to simplify fractions, so divide both the numerator and the denominator by 5 to get y=8/5.

Now you can use this value in either equation and solve for x. I'll use the first. (This is called substitution.)

12x+15(8/5)=34

12x+3(8)=34 <-- What I did here is cancel out the 5 in the denominator with 15 to leave 3, because 5*3=15.

12x+24=34

12x=10

x=10/12

x=5/6 (Divide the numerator and denominator by 2.)

You can write your answer as a point, too. (5/6 , 8/5)

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