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KATRIN_1 [288]
2 years ago
11

Someone Help me solve these by substitution please !

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
8 0
I think the answer is:

X=3

Y=-2
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2 POS
Lostsunrise [7]

Answer:

A. x=0

Step-by-step explanation:

x+20+10x=20+9x

cancel equal terms

x+10x+9x

add x to 10x

11x=9x

move variable to left

11x-9x=0

subtract 11x to 9x

2x=0

divide Both sides by 2

x=0

4 0
3 years ago
Physics what does above horizontal line mean
Illusion [34]
A line in the horizon meaning a straigh flat line, its counterpart is a vertical line which is up and down. If you look at an x/y line, the x line is the horizon line 
8 0
3 years ago
A recipe for cake needs ¾ of a cup of milk. You are making ½ of the recipe. How much milk do you need?
belka [17]

Answer:

3/8 cups

Step-by-step explanation:

divide 3/4 by two

4 0
3 years ago
Ax+by=cx+dy <br> Solve for X.<br> Please give step by step instructions!
leonid [27]
X= y(d-b) over a-c would be the answer
6 0
3 years ago
Shawna, Ryan, and Dominic ate a whole pizza. Shawna ate 1
mafiozo [28]

Answer:

\frac{1}{6}

Step-by-step explanation:

You need to add the amount Shawna & Ryan ate together, then subtract it from 1 to find the amount of pizza that was left for Dominic to eat.

\frac{1}{3} + \frac{1}{2} = ?

Make all the denominators the same to add fractions.

\frac{1}{3}  is \frac{2}{6}

\frac{1}{2}  is \frac{3}{6}

\frac{2}{6} +  \frac{3}{6} = \frac{5}{6}

1 -  \frac{5}{6} = \frac{1}{6}

4 0
2 years ago
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