Answer:
b(20) = 60
Step-by-step explanation:
Here, given that ;
b(x) = -2(x-50)
we want to find the value of b(20)
what we need to do is to simply substitute x for 20
That will be:
b(20) = -2(20-50)
b(20) = -2(-30)
b(20) = 60
No it does not the those together would be -48!
Using the formulas for projectile motion, we can find the range of a projectile. Horizontal range of a projectile is (Vo^2(sin2angle))/g. For an initial velocity, Vo=42 ft/s and angle of 50 degrees, the horizontal range of the projectile is 53.95 ft. If the initial velocity is changed to Vo=84 ft/s, the horizontal range is 215.80 ft. This is 161. 85 feet farther from the first projectile.
First way is to first find the sum and then find 37% of it. Second way is another way round, find 37 of 27 3/5 and 37% of 15.9 and then add it.
Lets do it
37%=0.37
- its the result
Second way its
0.37* 27 3/5 + 0.37*15.9=10.212 + 5.888=16.095