Answer:
Step-by-step explanation:
we are given series as
S(infinity)=20-10+5-..
Firstly, we will check type of series
first term=20
second term=-10
third term =5
now, we can find common ratios
we can see that both ratios are equal
so, this is geometric series
we can use sum of infinite terms formula
where a is first term
a=20
r=-0.5
now, we can plug values
Answer:
If its 4 sides need to be equal and 4 angles need to be equal then it is a square.
Step-by-step explanation:
Answer: C. Mount Everest is about 23 times as tall as the Empire State Building
Step-by-step explanation:
The options are:
A.There is no way to compare these heights
B.Mount Everest is about 40 times as tall as the Empire State Building
C.Mount Everest is about 23 times as tall as the Empire State Building
D.The Empire State Building is about 23 times as tall as Mount Everest
Mount Everest = 8.8×10^3 meters = 8800 meters
Empire State Building = 3.8×10^2 = 380 meters
Mount Everest is (8800 / 23) = 33 times as tall as the Empire State Building. Therefore, the correct option is C.
Answer:
$48.
Step-by-step explanation:
60% off
= 120 - 0.60*120
= 120 - 72
= $48.
98.5 multiplied by 13 would be either 1,280.5 or 1,281 depending on where you are expected to round the number to.