9514 1404 393
Answer:
{2.96, 12.66}
Step-by-step explanation:
A graph shows the rocket will be 600 feet up after 2.96 seconds, and again at 12.66 seconds.
__
You can solve the equation h = 600 to find the times.
-16t^2 +250t = 600
-16(t^2 -15.625t) = 600
-16(t^2 -15.625t +7.8125²) = 600 -16(7.8125²)
-16(t -7.8125)² = -376.5625
t -7.8125 = √(376.5625/16) ≈ ±4.8513
t = 7.8125 ± 4.8513 ≈ {2.9612, 12.6638}
The rocket will be 600 ft above the ground 2.96 and 12.66 seconds after launch.
Answer:
option d
Step-by-step explanation:
The cross section of the rectangular prism is parallel to the base.
So, the length and width is congruent to the base. So, same length and width
I believe the slope is 0 because it they are both horizontal lines? I may be wrong though.
Answer:
Part 1) The draw in the attached figure
Part 2) 
Step-by-step explanation:
Part 1) Draw the described circle
The draw in the attached figure
Part 2) What is the measure of angle ABD
step 1
Find the measure of arc AD
Remember that
----> by complete circle
substitute the given values


step 2
Find the measure of angle ABD
we know that
The measurement of the external angle is the half-difference of the arches that comprise
In this problem
The measure of angle ABD is an external angle
so
![m\angle ABD=\frac{1}{2} [arc\ AD-arc\ AC]](https://tex.z-dn.net/?f=m%5Cangle%20ABD%3D%5Cfrac%7B1%7D%7B2%7D%20%5Barc%5C%20AD-arc%5C%20AC%5D)
substitute the given values
![m\angle ABD=\frac{1}{2} [168^o-68^o]=50^o](https://tex.z-dn.net/?f=m%5Cangle%20ABD%3D%5Cfrac%7B1%7D%7B2%7D%20%5B168%5Eo-68%5Eo%5D%3D50%5Eo)