HELP WITH MATH!!!!!!!!!!!!
1 answer:
Answer:
<em>B.) 1.13s; 27.25ft</em>
Step-by-step explanation:
<em>Ok so this is an projectile motion equation...</em>
<em>Haven't done one of these in a while but I could definitely try!</em>
<em>To do this, we need to use this particular equation</em>
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<em>We can substitute values into the equation to get the time it takes to reach the maximum height!</em>
<em>This is the same as...</em>
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<em>We now know that it takes 1.13 seconds for the ball to reach its maximum height!</em>
<em>We can insert that into the original equation and simplify to get this answer:</em>
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<em>Alright so it's not exactly 27.25 but you get the gist.</em>
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Answer:
A.
Step-by-step explanation:
We are given the two points (2,7) and (4,-1). In order to determine the linear equation, we need to find the slope and the y-intercept. First, find the slope <em>m.</em> Let (2,7) be x1 and y1, and let (4,-1) be x2 and y2:
Thus, the slope is -4.
Now, to find the y-intercept, we can use the point-slope form. Recall that the point slope form is:
Where (x1, y1) is a coordinate pair and m is the slope.
Use either of the two coordinate pair. I'm going to use (2,7). Substitute them for x1 and y1, respectively:
This is also slope-intercept form. The answer is A.