algebra 1
Josh hit a baseball straight up into the air. The equation below describes the height of the ball (h), in meters, as a function of time (t) in seconds. h(t) = -9.8t² + 30t + 1.5 What is the height of the ball after 3 seconds? i keep getting -195.9
algebra 1
not it is 71.6 right
algebra 1
is it 145.1
algebra 1
The formula for the height of a falling object is shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h = –4.9t² + k If a rock is dropped from a building that is 1...
Physics Grade 11
The normal force is always perpendicular to the surface. So if the box is on a horizontal surface the Normal force it will be equal to the weith of it (mass *gravity) N= m*g N=117.6N the friction force always oposses to the movement and it will be equal to the horizontal compo...
Math
Simplify the expression. 9p - 2q - 3 + 10q - 4r + 12
ENG
I'm trying to write a paragraph with levels of generality for English. Here's what I have so far... I need help with grammar and punctuation... also does it make sense ? In the city of Carson, California there is a small house on Mesa Boulevard that is shared among fiv...
Math question
How many gallons of organge juice are in a full size family jug? I think 1 gallon?
accounting
What is the value of the following future amount? a)RM800 to be received 10 years from now discounted back to present at 10%.
accounting
What is the present value of RM6, 500 to be received 10 years from today if our discount rate is 10%?
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