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allochka39001 [22]
3 years ago
8

A race is 10 km long markers will be placed at the beginning and the end of the race course and I each 500 m Mark how many marke

rs are needed to mark the course for the race?
Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
6 0
20 Markers are needed to mark the course for the race
Alinara [238K]3 years ago
3 0
There are 20 marks needed!
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Sorry for asking so much;(
Bingel [31]
Length of line RS is probably 20 because it’s not smaller than the line it’s parallel to but it’s not equal either so the answer has to be c unless there’s a d that’s between 10-20
8 0
3 years ago
Read 2 more answers
Help I’ll give Brainly
Temka [501]

Answer:

probability = area of shaded region / total area

P = π (y²-x²) /πy²

P = y²-x²/y²

Option D is correct ...

mark me as brainliest ❤️

3 0
3 years ago
Find the sum of the convergent series. (round your answer to four decimal places. ) [infinity] (sin(9))n n = 1
Alexus [3.1K]

The sum of the convergent series \sum_{n=1}^{\infty}~(sin(1))^n is 5.31

For given question,

We have been given a series \sum_{n=1}^{\infty}~(sin(1))^n

\sum_{n=1}^{\infty}~(sin(1))^n=sin(1)+(sin(1))^2+...+(sin(1))^n

We need to find the sum of given convergent series.

Given series is a geometric series with ratio r = sin(1)

The first term of the given geometric series is a_1=sin(1)

So, the sum is,

= \frac{a_1}{1-r}

= sin(1) / [1 - sin(1)]

This means, the series converges to sin(1) / [1 - sin(1)]

\sum_{n=1}^{\infty}~(sin(1))^n

= \frac{sin(1)}{1-sin(1)}

= \frac{0.8415}{1-0.8415}

= \frac{0.8415}{0.1585}

= 5.31

Therefore, the sum of the convergent series \sum_{n=1}^{\infty}~(sin(1))^n is 5.31

Learn more about the convergent series here:

brainly.com/question/15415793

#SPJ4

7 0
1 year ago
9. Geometry Which expression represents the perimeter of the figure?
Andreas93 [3]
Perimeter is just the addition of the side lengths so add them together:
5c+6 + 2c+5 = 7c+11
Option D.
8 0
3 years ago
A farmer plants the same amount every day, adding up to 1 3/4 acres at the end of the year. If the year is 1/2 over, how many ac
Zepler [3.9K]
Answer:
7/8 Acre

First, convert the mixed number 1 3/4 into an improper fraction. This will be 7/4. Now, divide this by two because the year is half over. Doing this you get 7/8.
4 0
2 years ago
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