Answer:the answer is D) 5(30 - 5) + 40; 165 stars
Step-by-step explanation:because you multiply the number of levels between Level 30 and Level 5 by 5 stars per level. Add the number of stars needed in Level 5.
5(30 - 5) + 40
5(25) + 40
165 stars
Toothpaste and food coloring
5 of seven are not minivans - > 5/7
5/7*161=115
<span>The volume of the cylinder: V=r²π*H
V=7.5ft²
r=3ft
H=?
7.5=3²*π*H
7.5=28.274H⇒H=7.5/28.2740
H=0.265ft
</span><span>
The water level will be 0.265ft.</span>
Answer:
D
Step-by-step explanation:
We calculate the z-score for each
Mathematically;
z-score = (x-mean)/SD
z1 = (1.9-2.1)/0.2 = -1
z2 = (2.3-2.1)/0.2 = 1
So the proportion we want to calculate is;
P(-1<x<1)
We use the standard score table for this ;
P(-1<x<1) = P(x<1) -P(x<-1) = 0.68269 which is approximately 68%