ANSWER
EXPLANATION
The complex number shown has coordinates (2,-2)
or
The modulus is
The argument is
The polar form is
The first option is correct.
The formula for the surface area of a cylinder is:
2<span>π</span><span>r</span><span>h </span><span>+ </span><span>2</span><span>π</span><span>r^</span><span>2
If we substitute in the measurements that we know, you get:
2</span><span>
(3.5) (14) + 2</span><span>
(3.5)^2
If we simplify this expression, we get:
98</span><span>
+ 24.5</span><span>
If you simplify once more, you get
122.5</span><span>
or </span><span>≈ 384.85
Therefore, the surface area is 122.5</span>
or about 384.85<span>
</span>
Answer:
The sum is
Step-by-step explanation:
we have
we have
Find the common ratio r
The common ratio is r=6
The formula to calculate the sum in a geometric sequence is equal to
where
n is the number of terms
r is the common ratio
a1 is the first term
we have
substitute
Answer:
3/4
Step-by-step explanation:
divide both 120 nd 160 by 40
Answer:
5
Step-by-step explanation:
First divide each side by 5
so you'll get
2x+4=3
2x=-1
x=-1/2