The pH scale is a measurement system that indicates the concentration of ____________________ in solution.
The pH scale is a measurement system that indicates the concentration of : H+ ions
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Using the formula , where d is the distance in miles, r is the rate, and t is the time in hours, at what rate must you travel to cover 212.5 miles in 2.5 hours? (1 point)71 mph 106 mph 150 mph 85 mph
Weegy: 106 mph (More)
Question
Updated 9/20/2012 6:46:35 AM
d=r*t
212.5=r*2.5
r=212.5/2.5
r=85

You must travel 85 mph to cover 212.5 miles in 2.5 hours.
What is the simplified form of the expression? –(8d – 3w) (1 point)8d + 3w 8d – 3w –8d + 3w –8d – 3w
Question
Updated 6/21/2014 1:18:59 PM
–(8d – 3w) = -8d + 3w
What is the simplified form of the expression 13[62 ÷ (52 – 42) + 9]? a)169 b)585 c)181 d)26
Weegy: 585*9%*6= 315.90 (More)
Question
Updated 6/21/2014 1:18:30 PM
13[62 ÷ (52 – 42) + 9]

= 13[62 ÷ 10 + 9]

= 13[6.2 + 9]

= 13(15.2)

= 197.6 = 197 3/5
Simplify the expression . 4sg over negative 5g
Weegy: The result of (4 (a b))/(6 a) is (2 b)/3. The a cancels out and the 4/6 simplifies to 2/3. (More)
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Updated 9/20/2012 6:34:03 AM
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