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2 years ago

What is 39189 rounded to the nearest thousands

Mathematics

2 answers:

Finger [1]2 years ago

6 0

39000

hope this helps

lora16 [44]2 years ago

3 0

40000 because the 9 is over 5 and when it's over 5 the next number goes up

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Answer:3

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2 years ago

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The two trapezoids in the graph below are similar. Which sequence of transformations proves that the trapezoids are similar?

Hoochie [10]

The answer is B.

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What is true regarding two adjacent arcs created by two intersecting diameters?

Juli2301 [7.4K]

Given:

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To find:

The correct statement regarding two adjacent arcs created by two intersecting diameters.

Solution:

We know that, two diameter intersect each other at origin and measure of arc is equal to the corresponding angle generated by the intersection of diameters.

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2 years ago

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stiv31 [10]

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Step-by-step explanation:

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3 years ago

An old house in Pomona, CA is inhabited by a variety of ghosts. Ghost appearances occur in the house according to a Poisson proc

shutvik [7]

Answer:

The probability is 0.503

Step-by-step explanation:

If the ghost appearances occur in the house according to a Poisson process with mean m, the time between appearances follows a exponential distribution with mean 1/m. so, the probability that the next ghost appearance happens before x hours is equal to:

$P(X\leq x)=1-e^{-xm}$

Then, replacing m by 1.4 ghosts per hour we get:

$P(X\leq x)=1-e^{-1.4x}$

Additionally, The exponential distribution have a memoryless property, so if it is now 1:00 p.m. and we want the probability that ghost appear before 1:30 p.m., we need to find the difference in hours from 1:00 p.m and 1:30 p.m. no matter that the last ghost appearance was at 12:35 p.m.

Therefore, there are 0.5 hours between 1:00 p.m. and 1:30 p.m, so the probability that the 7th ghost will appear before 1:30 p.m is calculated as:

$P(x\leq 0.5)=1-e^{-1.4*0.5} =0.503$

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3 years ago