Answer:
3.81 s
Step-by-step explanation:
Let's consider the following formula that represents the journey of a falling object.
d = 3 t + 5 t²
where,
- d is the distance measured in feet
- t is the time measured in seconds
We can find the time that it will take to travel 84 feet by replacing d = 84 in the equation.
84 = 3 t + 5 t²
5 t² + 3 t - 84 = 0
We have a = 5, b = 3 and c = -84. We apply the second grade solving formula.
x₁ = 3.81 and x₂ = -4.41
Since the time cannot be negative, the answer is t = 3.81 s
Y=-2sin((2
<span>/7)x)
y = asin(bx+c)+d and t</span>he period is given by the equation T = 2
/b
where T is the period of the function. "a" changes the amplitude only (vertical stretch). ""c" is the left/right phase shift. "d" moves the whole graph up or down.
The coefficient of x in (2
/7)x is 2 pi/7 which would also be equal to b.
T = 2
/(2
/7) = 7
√78 is equal to 8.8, so it rounded up it would be placed on the nine on the number line.
-√15 is equal to -3.8 so I would put it at the 3 marker.
The circumference of a circle is pi(d) so if you multiply pi(4) = 3.141592654(4) you would get 12.5663706144
Answer:
105 points
Step-by-step explanation:
Let's call the scores of Team A and B 16x and 21x respectively. Since 16x = 80, that means x = 5, making Team B's score 21 * 5 = 105.