3 years ago

Which best describes how empirical probability is determined?

1 answer:

8 0

Answer:

Empirical probability is the relative frequency of occurrence of an event and is determined by actual observations of an experiment.

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A car travels 143km in 2hours 45minutes .Find its speed in km / hour

grin007 [14]

Answer:

52 km/hr

Step-by-step explanation:

Speed equals distance over time.

2 hours 45 minutes = 2.75 hours

S = 143/2.75

S = 52

The car’s speed is 52 kilometers per hour.

7 0

3 years ago

andriy [413]

Answer:

a) 1/10

b) 110

Step-by-step explanation:

A) we start by getting the total number of rolls

That would be;

11 + 22 + 7 + 8 + 13 + 19 = 80

The frequency of getting a 4 is 8

The probability that the next roll will be a 4 is;

8/80 = 1/10

b) Firstly, we get the probability of getting a 2

We have this as:

22/80

So for 400 rolls, the number of 2’s will be;

22/80 * 400

= 22 * 5 = 110

8 0

3 years ago

Which is true about multiplying integers?

____ [38]

The answer is C
negative times negative is equals to positive

3 0

3 years ago

Read 2 more answers

Find the width of rectangle if it's area is (3x^2 + 9xy + 6y^2 ) square centimeters .

Juli2301 [7.4K]

Given:
Length = 3x + 6y cm
Area = 3x² + 9xy + 6y²

Because Area = Width * Length, therefore
Width = Area/Length
= (3x² + 9xy + 6y²)/(3x + 6y).

Width = $Width= \frac{3( x^{2} +3xy+2 y^{2}) }{3(x+2y)}$
$Width=\frac{(x+y)(x+2y)}{x+2y} =x+y$

Answer: x+y

5 0

3 years ago

6,476 divided by 12 plz help me:(

jeyben [28]

It would be 539.666 but if you round up 540

6 0

3 years ago