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H equals -4.9t2 plus 20t plus 10 How many seconds will it take for the stone to hit the ground h equals 0 after it is thrown in the air?
We have to trust the equation you give us, telling us that the acceleration of gravity is 9.8,the tossing speed is 20 straight up, and the stone leaves your hand from 10 aboveground.If all of that is true, then H = -4.9 t2 + 20t + 10, and when the stone hits the ground,-4.9 t2 + 20t + 10 = 0Multiply both sides of the equation by -1 :4.9 t2 - 20t - 10 = 0We're not going to be able to factor that ugly thing,so we have to use the quadratic equation:t = [ 20 +/- sqrt(400 + 196) ] / 9.8 = ( 20 +/- 24.413) / 9.8I get 4.532 seconds (rounded)
How do you solve the equation h equals -16t2 plus 64t plus 1224 for h?
-16t2 + 64t + 1224 = 0 Multiply both sides by -1 16t2 - 64t - 1224 = 0 Divide both side by 8 2t2 - 8t - 153 = 0 Cannot be factored so use the formula (-b (+ or -)(root of b2 - 4ac)) / 2a
How do you solve an algebraic equation?
h=20t-5t2+1
If a equals 4 and h equals 5 what is a plus ha?
24
What property is h plus 0 equals h?
comutity property
What is 3 plus h when h equals 100.25?
3 + h = 3 + 100.25 = 103.25
Solve this equation -9h - 6 plus 12h plus 40 equals 22?
The solution to this equation is that h is equal to -4. You can substitute this value for h into the equation to get -4 x -9 - 6 plus 12 x -4 plus 40 equals 22, or 36 - 6 plus - 48 plus 40 equals 22.
What is the complete ionic equation for NaOHaq plus HCIaq equals H2OI plus NaCIaq?
Na+ plus OH- plus H+ equals H2O plus Na+ plus Cl-
Solve for h 5h - 3h plus 9h equals 176?
h=16
S plus r equals h solve for h?
Congratulations! You already have. h = S+r
What is the answer to 8h plus 48 equals 104?
h=7
What is the answer to 4 h plus 7 equals 5?
-0.5
