Answer:

Step-by-step explanation:
we know that
The area of the bedspread that is red is equal to the area of rectangle minus the area of the circle
step 1
Find the area of rectangle
The area is equal to

step 2
Find the area of the circle

we have
----> the radius is half the diameter
assume

substitute


step 3
Find the area of the bedspread that is red
Find the difference of the areas

First add 22 to -13 which would be 9
Then subtract 14 from 9 which would be -5
So the answer is -5
Answer:
A bird drops a stick to the ground from a height of 80 feet. The equation 0=−16x2+64x+80 gives the number of seconds that have passed when it hits the ground. After about how many seconds did the stick hit the ground?
Step-by-step explanation:
h = -16t^2 + 80 Stick hits the ground when h = 0:
0 = -16t^2 + 80
16t^2 = 80
t^2 = 80/16 = 5
t = POSITIVE root 5 (due to the real world nature of the problem)
t approximately 2.236 seconds.
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Graph is a downward opening parabola with h-intercept of 80, t-intercept(s) of sqrt(5), - sqrt(5)
Symmetric about h-axis, though I would only graph on the right side of the h-axis since
that is where t >= 0.
I might be wrong.
I guess that in total all the angles equal to 180, that being said...
m∠BAC = 79
If we are simplifying, ⅜ ab³a⁴ is
⅜a^5b³. when multiplying like bases you add exponents
second is xy²/2. when dividing like bases you subtract exponents