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Dima020 [189]
3 years ago
10

What is the probability that a number selected is at random from the numbers 1- 15 is a prime number?

Mathematics
1 answer:
Basile [38]3 years ago
7 0
So there is 15 different outcomes which we want 6 of them 2, 3, 5, 7, 11 all prime numbers so a 6/15 chance we’d pull a prime number
6/15 or 40% chance we’d pull a prime number out of the bag
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The population in the trapezoid-shaped region shown is about 3000 people. How many people are there per square mile?
Anastasy [175]

Answer: \frac{3,000}{A}

Step-by-step explanation:

<h3> Since the figure is not attached, below you can see a general explanation of the procedure to solve the exercise: </h3>

For this exercise you can apply the following formula, which is used to calculate the area of a trapezoid:

A=\frac{h(B+b) }{2}

Where  "B" and "b" are the bases of the trapezoid and "h" is the height.

So, substituting values into the formula and evaluating, you can find the area of  trapezoid-shaped region.

Since the population in the trapezoid-shaped region is about 3,000 people, you can find the number of people per square mile dividing the population by the area of the region.

Then, the following expression represents the number of people per square mile in that region:

\frac{3,000}{A}

7 0
3 years ago
Read 2 more answers
Assume that 10 people, including the husband and wife pair, apply for 4 sales positions. People are hired at random.. . What is
skelet666 [1.2K]
Possible outcomes: 10C4 = 210  ( combinations - we choose 4 of 10 people )
Favorable outcomes: ( 2C1 ) · ( 8C3 ) =  2 · 56 = 112
Probability : 112 / 210 = 0.5333  ( or 53.33 % ).
5 0
3 years ago
TRICK QUESTION
Ahat [919]

Answer:

you go to sleep at night is the correct answer

7 0
2 years ago
Which equation can be used to solve for x in the following diagram?
Olenka [21]

The equation we can use to find the value of x in the diagram given is: B. (5x + 30) + 5x = 90.

<h3>What are Complementary Angles?</h3>

Angles that give a sum of 90 degrees when added are referred to as complementary angles.

The angles, (5x + 30) and 5x are complementary angles, since the sum of both gives a right angle (90 degrees).

Therefore, the equation that we can use to find x in the diagram is: B. (5x + 30) + 5x = 90.

Learn more about complementary angles on:

brainly.com/question/16281260

#SPJ1

8 0
2 years ago
Which of the following statements are true about the graph below? Select all that apply.
Ann [662]

Answer:

The domain of the function is the set of all real numbers; the range of the function is the set of all nonnegative real numbers; the graph has an intercept at (0, 0); and the graph is symmetric with respect to the y-axis.

Step-by-step explanation:

This is not a square root function, this is a quadratic function, which has an x².

The domain, or set of x-values, is all real numbers.  This is because all numbers work for x.

The range, or set of y-values, is the set of all nonnegative real numbers.  This is because all numbers we get for y are positive real numbers.

The graph intersect both the x- and y-axis (x-intercept and y-intercept) at (0, 0).

The graph is decreasing on the interval x<0 and increasing on the interval x>0, not the other way around.

The graph has a minimum at (0, 0), not a maximum.

The graph can be folded in half along the y-axis, so it is symmetric with respect to the y-axis.

6 0
3 years ago
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