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Oksana_A [137]
2 years ago
10

What's 1+1 ??? enjoy!

Mathematics
1 answer:
Natalija [7]2 years ago
5 0
1+1= -2628474
hope it helps
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A pharmacist has 80 milileters of a 25 percent saline solution. Which expression can be used to find the percentage of the conce
Thepotemich [5.8K]

Answer:


Step-by-step explanation:

Final concentration % = [grams of salt / mililiters of solution] * 100


grams of salt = grams of salt from solution 1 + grams of salt from solution 2


grams of salt from solution 1 = mililiters * %/100 = 80 mililiters * 0.25 g/mililiters = 20 g


grams of salt from solution 2 = mililiters *%/100 = x*0.10 g/mililiters = 0.1x


mililiters of final solution = mililiters from solution 1 + mililiters from solution 2


mililiters of final solution = 80 mililiters + x mililiters


=> Final concentration, %  =  [0,10x + 20 g] / [x + 80 mililiters] * 100


6 0
3 years ago
Simplify 3<br><img src="https://tex.z-dn.net/?f=%203%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title=" 3 {}^{2} " alt=" 3 {}^{2} "
scoundrel [369]

3^2=9 three to the power of two equals nine

6 0
2 years ago
What is the value of x in the equation 3x-5=-18?<br> -56<br> 52<br> 56
anygoal [31]
I’ll teach you how to solve 3x-5=-18
—————————————-
3x-5=-18
Move constant to the right-hand side and change its sign:
3x=-18+5
Calculate the sum:
3x=-13
Divide both sides of the equation by 3:
X=-13/3
Your Answer Is x=-13/3
Plz mark me as brainliest if this helped :)
8 0
2 years ago
|a-i|= the square root of 37
wlad13 [49]

Answer:

well the square root of 37 is 6.083

Step-by-step explanation:

for this problem I use 6 since 6×6=36 then that my ewser 6 because if I go one higher I am going to 37

8 0
3 years ago
Joshua uses his thermometer and finds the boiling point of ethyl alcohol to be 75 degrees Celsius. He looks in a reference book
Elenna [48]

Answer:

6.25%

Step-by-step explanation:

75 - 80 = -5

Absolute value of -5 is positive so -5 = 5

5 ÷ 80 = 0.0625 (1/16)

0.0625 × 100 = 6.25%

Joshua's percent error is 6.25%

6 0
2 years ago
Read 2 more answers
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