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Andrej [43]
3 years ago
8

X+2y=2 (x - 2y = -2 Solve the following system of equations

Mathematics
1 answer:
coldgirl [10]3 years ago
5 0

Answer:

3

Step-by-step explanation:

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2 years ago
Human blood has an approximate pH of 7.3. Which substance is more basic than human blood?
ratelena [41]


so, 7 is neutral anything past 7 is considered basic.

answer: <em>a water and ammonia solution with a pH of 11 (very basic).</em>

<em />any number under 7 is acidic and of course there are different degrees of acidic just like there are different degrees of basicity.   

______________________________________________________________

- stomach's digestive juices, would be considered very acidic

-apple juice is also acidic but not as acidic  like stomach juices.

- grape juice, is becoming less acidic.

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Hopefully this helped and good luck.

5 0
3 years ago
Please please please help me
Leviafan [203]
The correct answer is 17 what i did was plug in 17 where ever you see x so x2 would be 17x2 an then plus the 5 gives u 39 3x 17x3=51 51+10=61 now add the totals 61 plus 39 gives u 100
8 0
3 years ago
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Given (x – 7)2 = 36, select the values of x.
Aneli [31]
Regroup
2(x-7)=36
Divide both sides by two
X-7= 36/2
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X-7=18
Add 7 to both sides
X=18+7
Simplify 18+7 to 25
X = 25
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EASY 7TH GRADE MATH, WILL GET BRAINLIEST
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Step-by-step explanation:

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