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Elanso [62]
3 years ago
11

What is the number of moles 100.95

Mathematics
1 answer:
lys-0071 [83]3 years ago
4 0
3 moles i looked it up , I hope this helps :))
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ASAP!!!! 10 POINTS!!!!
S_A_V [24]

Completing the Square

2. Solve the equation by completing the square. Show your work.

x^2 – 30x = –125

Step 1: Add to both sides of the equation. (2 points)

Add 225 both sides of the equation

x^2 – 30x + 225 = –125 + 225

x^2 - 30x + 225 = 100

Step 2: Factor the left side of the equation. Show your work. (2 points)

Hint: It is a perfect square trinomial.


x^2 - 30x + 225 = 100


Factor the left side of the equation:

(x - 15)^2 = 100

Step 3: Take the square root of both sides of the equation from Step 2. (1 point)

√(x - 15)^2 = √100


Step 4: Simplify the radical and solve for x. Show your work. (1 point)

x - 15 = + - 10


x - 15 = 10

x = 25


x - 15 = -10

x = 5


Solutions x = 25, 5

3 0
4 years ago
I don't know which one please help
ch4aika [34]
The answer is (A) 15. 

(6x -10) makes 80 and (6x+10) makes 100

together that equales 180 degrees. since it is a straight line the sum of the the two would have to equal 180. hope this helped :D
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What is the question
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Oliver needed to build 10 chairs to go with a dining room table that he had built. At the start of the second day he had complet
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