Answer:
172
Step-by-step explanation:
The formula for the missing term of a geometric sequence is the square root of x times y.
Answer:
1.5seconds
Step-by-step explanation:
When the ball hits the ground, the height is equal to zero. So find t when H=0:
H=16t²+8t+80
0=16t²+8t+80
0=2t²+t+10
0=(2t-3)(t+2)
So (2t-3)=0, or (t+2)=0
So t=1.5 or t=-2. Time can't be negative though, so we take our answer as 1.5seconds
Answer:
The weighted mean of the number of t-shirts sold per week is 5.6.
Step-by-step explanation:
Given : The data below represents the number of T-shirts sold per week by a student who started his own online t-shirt business.
T-Shirt Sold per Week(
) Frequency(
)
2 1
4 4
6 7
8 3
To find : The weighted mean of the number of t-shirts sold per week ?
Solution :
The formula of weighted mean is

Substituting the values in the formula,




Therefore, The weighted mean of the number of t-shirts sold per week is 5.6.
Answer:
It decreases.
Step-by-step explanation:
$4.28 will go up because it is greater.