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Math
8*2sq+7*(4+1)= ? Can someone explain to me what to after the parenthesis? I mean in the PEMDAS of operations says that I should multiply. Multiply what and when? By the way the actual problem is a example I got out of my book.
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Math
The problem to solve is: (x+20)(x12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x12 evaluates to x12 Multiplying x+20 by x12 is a classic
asked by Sabrina on September 24, 2010 
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the pressure (p) that a 160pound person's shoe exerts on the ground when walking varies inversely with area (a) of the sole of the shoe. when the shoes have a sole area of 40 sq. in., the pressure is 4 pounds per sq. in. what is
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algebra
Problem Two: 5/9 + (2/9)x = 25/7 + (6/7)x – 2/3 Multiply figures inside parentheses 5/9 + (1 x 2/9x) = 25/7 + (1 x 6/7x) – 2/3 Collect like signs 5/9 + 2/9(6/7x) = 25/7 + (2/3) Multiply like signs 2 x 6 9 7 Reduce like
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how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong? is it x^2 + 12x + 32 ? if it is then the solution is: (x+8)(x+4) because
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fractions
my teacher gave us some fraction problems for homework, but I'm confused about how to go about solving the problem. The problem is what is 2/4 of 8. Can you show me the steps so I can do the rest of the math problems? 2/4 reduces
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chemistry
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need guidance on an algebra problem
20 x+3(y1)=11 2(xy)+8y = 28 multiply out 20 x+3y3=11  Is this correct? 2x+14y = 28 Using the addition method, would you multiply the first problem by 2 and the second by 20? No. In the second multiply out, you should have
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MATH
1. To convert from kilometers (km) to meters (m), multiply by 1000. How many meters are there in 6.2 km? A~6,200M? 2. Multiply.5.75 * 10 (the problem is 10 to the power of 2)A~ 575 3. Multiply.0.8175 * 1, 000 =A~817.5?
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7th grade math
5. Taylor completed the problem below. Describe and correct the error in the problem. 2–4 = –2 • –2 • –2 •–2 =16 (1 point) 1. Taylor changed the negative exponent to a negative base. 2. (0 pts) Taylor did not
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