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Elodia [21]
3 years ago
13

**PLEASE HELP 30 POINTS**

Mathematics
1 answer:
kkurt [141]3 years ago
6 0
You can make 10 sets
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Two friends start at the same point. they walk in opposite directions for 3 meters, then turn left and walk another 3 meters. th
vladimir2022 [97]
3^2+3^2=18
√ 18 + √18=2√18 or 6√2 meters
They are 6√2 meters apart or approximately 8.49 meters.
3 0
3 years ago
A random sample has been taken from a population. A statistician, using this sample, needs to decide whether to construct a 90 p
AURORKA [14]

Answer:

Step-by-step explanation: a confidence interval is a range that shows how precise the measurement is. if a statistician decides to construct using 90 percent C I over a 95% C I, it tells you that you have 10% chance of being wrong rather than 5% chance of being wrong while using the 95%. Also a 90 percent confidence interval would be narrower than a 95 percent confidence interval

5 0
3 years ago
Section a of a theater contains 12 rows of 15 seats each section b contains only 10 rows but had the same number of seats as sec
yuradex [85]

Answer:

15 seats

Step-by-step explanation:

It is given that section A of a theater contains 12 rows of 15 seats each.

Now, it is also given that section B contains only 10 rows it has an equal number of seats the same as section A.

As the number of seats in each row of section A is 15, so, the number of seats in each row of section B will be 15 and the same as section A. (Answer)

8 0
3 years ago
The length of a rectangle is 7/6 its width, w. Which expression represents the perimeter of the rectangle?
Hitman42 [59]
If the length is 7/6 the width w then the perimeter is w + (7/6)w + w + (7/6w)
= 2((7/6)w + w) = 2w + (14/6)w = (26/6)w = (13/3)w.
So the answer is the last one.
3 0
4 years ago
The probability that a region prone to hurricanes will be hit by a hurricane in any single year is 0.1 and independent of other
ludmilkaskok [199]

Answer:

0.40951  

Step-by-step explanation:

P(none in five years)   = 1 - 0.1 = 0.9

P(at least one) = 1 - P(none in five years)

= 1 - 0.9^{5}

= 1 - 0.59049

= 0.40951

So the probability of a hurricane hit at least once in the next 5 years is  0.40951  

8 0
3 years ago
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