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omeli [17]
3 years ago
9

What is the circumference of a circle with a diameter of 6.2cm?

Mathematics
1 answer:
tekilochka [14]3 years ago
8 0
The circumference of a circle with a diameter of 6.2cm is 19.48cm. round that to the nearest tenth, and you'll get 19.5cm.
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Use the formula to evaluate the series 1+2+4+8+...a10
valina [46]

Answer:

The sum of the given series is 1023

Step-by-step explanation:

Geometric series states that a series in which a constant ratio is obtained by multiplying the previous term.

Sum of the geometric series is given by:

S_n = \frac{a(1-r^n)}{1-r}

where a is the first term and n is the number of term.

Given the series: 1+2+4+8+.................+a_{10}

This is a geometric series with common ratio(r) = 2

We have to find the sum of the series for 10th term.

⇒ n = 10 and a = 1

then;

S_n = \frac{1(1-2^{10})}{1-2} =\frac{1-1024}{-1} =\frac{-1023}{-1}=1023

Therefore, the sum of the given series is 1023



8 0
3 years ago
In the coordinate plane, three vertices of rectangle abcd are a(0, 0, b(0, a, and d(b, 0. what are the coordinates of point c?
serious [3.7K]
So the point would be c)0,0
3 0
3 years ago
Which of the following equations have no solutions?
azamat

Answer:

A, B & D

Step-by-step explanation:

Because if you subtract one of the constants from both sides then you should only have equal variables. In other words, both sides have to be identical in this situation.

33x-33= 33x + 25

33x = 33x + 58 No matter what you make x, the right will be 58 bigger than the right so there is no solution.

33x+33=33x+25

33x+8= 33x nope no solution

33x+25=33x+25

33x = 33x both sides identical so there is a solution

33x-25 = 33x +25

33x= 33x+50

4 0
3 years ago
Jan plans on running 2,340 miles this year. She plans to run the same number of miles each week. There are 52 weeks in a year.Ho
zimovet [89]
The answer is 45 miles a week
3 0
3 years ago
Read 2 more answers
Pls help me
ikadub [295]

Answer:

113.1

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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