Math,algebra
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math,correction
can someone correct these for me i'll appreciate it thank. dirctions: solve 3x7=2x+8 my answer: x = 15 directions: solve 2/5x=10 my answer: x = 25 Directions: solve 3(x+1)=2(x8)+3 my answer: x= 3.2 1 looks ok. Show your work
asked by jasmine20 on January 11, 2007 
Algebra
Can you please check my work? You have helped other students I know. Thank you:) Multiply 7(2a2 4) = 14a2 + 28 Multiply 0.5(a + b 5) = 0.5a + 0.5b  2.5 Factor bx  by + bz = b(x  y + z) Combine like terms (simplify) 12x + 4
asked by Sharon (ms. Sue) on November 8, 2011 
Algebra (check my answers)
Please check these answers. Multiply 7(2a2 4) = 14a2 + 28 Multiply 0.5(a + b 5) = 0.5a + 0.5b  2.5 Factor bx  by + bz = b(x  y + z) Combine like terms (simplify) 12x + 4  11y  6x  9  y = 6x  12y  5 Evaluate the
asked by Sharon on November 8, 2011 
math
Multiply and simplify 2/3*13 The answer is 22. Right? if you mean (2/3) * 13 or 2 / (3*13) i believe according to both your answer is wrong Is that (2/3)*13? If so, then (2*13)/3= something other than 22. Or if it is 2/(3*13) = it
asked by KC on August 19, 2007 
math ,hep, plz
can someone help explain this for me please... Problem #1 What values for x must be excluded in the following fraction? (x+5)/(1) Problem #2 what values for x must be excluded in the following fraction? (x3)/((4x5)(x+10)) When
asked by jasort20 on March 18, 2007 
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 
Calculus
solve (Z^2)+5=4/Z^2 how do i solve it?? the answer is +2or2, or, +or i. but i really don't know how to get this answer.i tried to multiply both side by Z^2, but i think it just made it more comlicated and i didn't get the right
asked by Anne on March 12, 2008 
math,algebra
Directions:Multiply (1/2)(3/8) mY ANSWER : .1875 Now how do i turn this into a fraction. numerator multiplied: 3 denominator multiplied 16 3/16 How do you get to that answer because not every single one would be multiplied by
asked by jasmine20 on December 12, 2006 
math,algebra
They may want you to add the fractions and give the answer in forms of a fraction. in that case, you need to convert to common denominators before addineg. In that case 1/3 + 1/5 + 1/10 = (10 + 6 + 3) /30 = 19/30 5/6  3/5 = (25 
asked by drwls on December 6, 2006 
drbob222, math ,algebra
can you explain to me the following problem , ms.sue and others are trying to help me but they are making me more confuse. Is there any short cuts to the following problem. Directions:multiply and write the answer in simplest
asked by jasmine20 on December 16, 2006