Answer:
C.
Step-by-step explanation:
Multiply both sides by 15, which gives you r≥-75
Since the graph has to go in the direction of numbers greater than -75, that would be -74, -73, -72, etc. So, it is C.
Answer:
0.6804
Step-by-step explanation:
Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.
Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3
Required probability
= Prob that atleast four of 6 times good serve
=
=
Formula used:
P(X=r) =
Answer:
<h3>The change in the scale factor is

ft</h3>
Step-by-step explanation:
Given that Sienna planned a trapezoid-shaped garden.
And She decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft.
Let Old length of the top be 32 ft
Let New length of the top be 24 ft


ft
<h3>∴ the change in the scale factor is

ft</h3>