S ( s + 1)/ 2
so <span>The sum of the first 100 positive numbers
100(100 + 1) / 2
= 50(101)
= 5050</span>
5/12 is the simplest form of 15/36
Answer: D.) 23%
Step-by-step explanation:
There is a 7/30 chance of selecting a green marble.
7/30 as a percent is 23.33333% and D is the closest answer.
Answer:
4.5
Step-by-step explanation:
divide all the equation
look for the lowest common factor which is 2
then multiply out numerators
We know that
area of the composite figure=area of the rectangle+area of semicircle
area of rectangle=b*h
b=10 ft
h=6 ft
area rectangle=10*6----> 60 ft²
area of semicircle=pi*r²/2
r=6/2----> 3 ft
area of semicircle=pi*3²/2-----> 14.13 ft²
area of the composite figure=[60+14.13]-----> 74.13 ft²-----> 74 ft²
the answer is
74 ft²
