can someone help me with a question of an explanat

posted by .

my question is for math,

I have the problem worked out i just don't remember what the tutor who helped me told me for the explanation of steps i just like to know how they came up with that.

Directions: Solve each literal equation for the indicated variable.

A=1/2h(B+b) (for b) Area of trapezoid
A= h(B+b)/2
2A=h(B+b)
2A/h=B+b
2A/h-B=b


A=(1/2h)(B+b) (for b) Area of trapezoid
A= h(B+b)/2 is another way of writing the same thing
2A=h(B+b) Is what ou get by multiplying both sides of the equation by 2.
2A/h=B+b Is what you get by divifing both sides of the equation by h
2A/h-B=b Is what you get by subtracting B from both sides. This provides an equation for b in terms of A, h and B

I appreciate your help very much thank you this way i can do a couple of more problems similar to this one i appreciated i just couldn't remember the explanations.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math,help

    How or can someone set this up as an equation or what steps do i do?
  2. DrBob222

    On Monday you helped me to understand and answer the one question, but I am not too sure if they want all the calculations that you answered... regretably, I am still a bit lost with these! Below is the question as it is printed: The …
  3. math,help

    Can someone show me how do i multiply the following fractions: (n^2-n-20)/(2n^2) times (n^2+5n)/(n^2-25) When you multiply fractions, you just multiply straight across. So if you have: 1/3 * 1/4 1*1 ---- 3*4 That's 1/12 With that in …
  4. algebra1

    could you walk-through the steps to solving this problem because I am stuck; 3x-5(3x-7)=2(x+9)+45 Let me know if you have a question in any step. 3x-5(3x-7)=2(x+9)+45 3x-15x+35= 2x+18+45 -12x+35 = 2x+63 -35 -35 -12x= 2x +63-35 -12x= …
  5. math 116

    I am taking math 116 , I am to find the solution to the problem 9x-3y=-68 and -2x+y=18 and to give an ordered pair. Now, that you have it where you take 9x from both sides, or is it 3y?
  6. Physics

    A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just above its surface. I started out with the density formula P=M/V, but i kept subbing in other formulas, but …
  7. math

    i was doing the mean theorem for this problem: (x+4)^2 (x-3) on [-4,3] i got to: 3x^2 + 10x-8=7 someone helped me out and told me the answer was (-5 +/- sqrt(70))/(3) but i don't know how to get to there, can someone please explain …
  8. A question for Ms.Sue! :P

    This is just by curiosity: Ms. Sue, have you ever asked a question or do you only answer them as the good tutor you are?
  9. Physics

    I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question?
  10. Science

    I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question?

More Similar Questions