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Alja [10]
3 years ago
8

if you have a geometric series in sigma notation , how do you find the common ratio without expanding the series ?

Mathematics
1 answer:
ozzi3 years ago
5 0
Is there any multiple choice?
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craig like to collect vinyl records.last year he had 10 records in his collection.now he has 12 records.what is the percent incr
EleoNora [17]

Answer:

The percent increase is 20%.

Step-by-step explanation:

It's fairly simple.

Multiply 10 by (100/10) which is 10 to get 100.

Multiply 12 by 10 to get 120.

120 - 100 = 20

3 0
3 years ago
Adding integers with integer tiles
KIM [24]
C.) -1.
Explanation: 4 + -5 = -1. When you have a negative number plus a positive you subtract. Then take the highest numbers positive or negative symbol. Hope that helps.
3 0
3 years ago
A Ferris wheel rotates 9π/8 radians prior to making a stop. The total height of the Ferris wheel is 246 ft. How far around did t
WARRIOR [948]

Answer:

The ferris wheel travelled 434.717 ft.

Step-by-step explanation:

Assuming that the ferris wheel is a perfect circle, then it's height is the same as the diameter of the circle, therefore it's radius is:

radius = height/2 = 246/2 = 123 ft

The distance travelled by the ferris wheel is the same as the length of the arc created by a angle of (9pi/8). The length of an arc is given by:

length = r*(angle in radians)

length = 123*(9pi/8)

length = 434.717 ft

The ferris wheel travelled 434.717 ft.

5 0
3 years ago
James buys x books at a used-book sale. Enter an inequality that can be used to find the number of books James buys (x) when the
den301095 [7]

2x<15

Step-by-step explanation:

2×15=30 if he spends less than he would have to be below 15 please give brainliest

4 0
2 years ago
What is 16×500×60=? i need help
pychu [463]

Answer:

480000

Step-by-step explanation:

6 0
3 years ago
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