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Salsk061 [2.6K]
2 years ago
12

A survey of the men in a certain town showed that 35% of the men have blond hair and 14% of them have blond hair and blue eyes.

What is the probability that a randomly selected man has blue eyes, given that he has blond hair?
Mathematics
1 answer:
natita [175]2 years ago
7 0
If you are given he has blond hair, so the total probability will be 35%. And among them, he needs to have blue eyes, its probability is 14% among the 35%. So the final probability is 14%/35%=40%.
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Alyssa draws a ray in her notebook. what is the minimum number of points through which the ray is drawn?
Anettt [7]

Answer:

1

Step-by-step explanation:

The correct answer is 1 because a ray starts at a given point and goes off in a certain direction forever, to infinity. This point where the ray starts is called (confusingly) the endpoint.  

7 0
1 year ago
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Julie borrowed $3,500 for 3 years at 7½% simple interest rate. How much interest is that?
Paraphin [41]
A=P(1+rt)

P=3500
t=3yrs.
r=7.5% / 100 = 0.075

A= 3500(1 + (0.075 x 3)) = 4287.5

A= $ 4,287.50
7 0
1 year ago
A helicopter flies 8 km due north from A to B. It then flies 5 km from B to C and returns to A as shown in the figure. Angle ABC
In-s [12.5K]

Please consider the attached graph.

We have been given that a helicopter flies 8 km due north from A to B. It then flies 5 km from B to C and returns to A as shown in the figure. The measure of angle ABC is 150°. We are asked to find the area of triangle ABC.

We will use trigonometric area formula to solve our given problem.

A=\frac{1}{2}a\cdot c\cdot\text{sin}(b), where angle b is angle between sides a and c.

For our given triangle a=5,c=8 and measure of angle b is 150 degrees.

A=\frac{1}{2}(5)\cdot (8)\cdot\text{sin}(150^{\circ})

A=5\cdot 4\cdot(0.5)

A=10

Therefore, the area of the triangle ABC is 10 square kilo-meters and option 'c' is the correct choice.

6 0
1 year ago
Boris chooses three DIFFERENT numbers.
g100num [7]

Answer:

4, 5, 27.

Step-by-step explanation:

Let us find our numbers using given information.

Factors of 20 are: 1,2,4,5,10 and 20.

Let us try by taking number 4 and 5.

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We can see that 3^{3} =27

Now let us find sum of these numbers.

4+5+27=36

Therefore, numbers chosen by Boris will be 4, 5 and 27 as these numbers satisfies our all conditions.


6 0
1 year ago
There are 200 students in the 7th grade class at Brookside Middle School. Of these students, 12% play volleyball and 15% play ba
Phoenix [80]
P(volleyball and baseball) = 4/200 x 100 = 2%
P(either volleyball or baseball) = P(volleyball ∪ baseball) = P(volleyball) + P(baseball) - P(volleyball and baseball) = 12% + 15% - 2% = 25%.

25% play either volleyball or baseball.
4 0
1 year ago
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