posted by .

Solve the formula for the variable given.then use the info to find the value of variable.
Find h if r=2,k=3,and S=50 I really don't know how to answer this kind of questions :(

  • algebra -

    same as before ...

    50 = π(2)(h + 3)
    50/(2π) = h+3
    25/π = h+3
    25/π - 3 = h


Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. pre-algebra

    Rewrite the equation so the variable is alone. Solve to find the value of the variable. 42=-2h Divide both sides by 2. Then change the signs of both sides. That will provide the answer. Possibly in 1 step: Divide by -ve 2
  2. math/algebra

    solve each of the following systems by substitution. 16) 5x -2y = -5 y - 5x = 3 20) 8x -4y = 16 y = 2x - 4 28) 4x -12y = 5 -x + 3y = -1 Step one: Solve on of the equations for one of the variables. y=2x-4 Step two:Substitute the expression …
  3. Math ; please please help.

    1. Explain in detail how to determine the value of the independent variable in a quadratic relation if the value of the dependent variable is known. Please check my answer - You would substitute the value for the dependent variable, …
  4. algebra

    how would i work out the following problems solve each formula in terms of the given variable 1. 5d-2g=9 ;g The formula A=2h(l+w) gives the lateral area a of a rectangular solids with length l, width,w and height h. 2. solve this formula …
  5. Math

    Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. (tan(π/2)+tan((2π)/3)) / (1-tan(π/2)tan((2π)/3)) Answer=__________ Exact value …
  6. Algebra

    Use the formula d=rt to find the value of the missing variable d=42 feet, t=14 seconds then r= ft. second
  7. Algebra 1

    Use the formula d=rt to find the value of the missing variable d= 48 feet, t= 16 seconds r= ?
  8. Statistics

    Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probability: P(x<28) I understand that the means is 28 and the standard deviation is 7. However what I don't …
  9. algebra

    Solve the formula for the variable given.Then use the given information to find the value of the variable. A=2πrw Find r if w=4ft And A=120ft square. Please someone help me with this!!!
  10. Algebra

    There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation would be nice. Thank you tutors. Rewrite each equation so it is in the form ax + b = c or x + d/e = f, where …

More Similar Questions