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OLEGan [10]
2 years ago
14

The sum of two numbers is 1. The difference of the numbers is 9. What are 5 points

Mathematics
1 answer:
Svetradugi [14.3K]2 years ago
7 0

Answer:

The numbers are 5 and -4

Step-by-step explanation:

let the numbers be =x and y

x+y=1—eqn 1

x-y=9—eqn 2

Add both equations

2x=10

x=5

Plug x=5 into eqn 2

5-y=9

5-9=y

y=-4

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Drag steps of the solution into order to solve for x in the equation 8(x+7)=104
Nadusha1986 [10]
Hello!

The first step to solving this equation would be to distribute the 8 to x+7 to simplify the equation:
(8*x)+(8*7)=104
8x+56=104

The second step would be to then subtract 56 from both sides to isolate 8x:
8x+56-56=104-56
8x=48

Finally, the last step would be to divide both sides by 8 to solve for x:
8x/8=48/8
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Your final answer would be x=6

Hope this helps, and Happy New Year!
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The following stem-and-leaf plots compare the ages of 30 actors and 30 actresses at the time they won the Oscar award for Best A
stealth61 [152]

The image of the stem-and-leaf plots is in the attachment.

Answer: (a) 31 years; (b) 59 years; (c) 56 years

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For example, the first row of the table in the attachment, indicate a "stem" 2 and the first number of a "leaf" is 1, so the actress has 21 years.

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