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liberstina [14]
1 year ago
5

a list that contains the name the five anthropology students three sociology students in for psychology students. if one name is

selected at random to us in the professor's new study find the probability that the chosen student is an anthropology student

Mathematics
1 answer:
lapo4ka [179]1 year ago
3 0

Probability

There are:

5 anthropology students

3 sociology students

4 psychology students

5 + 3 + 4 = 12 students in total

The probability that one randomly selected student is for anthropology is:

p=\frac{5}{12}

Note we have divided the number of favorable cases by the total cases

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Answer:

you need to have the time traveled in order to get distance.

Step-by-step explanation:

d/t=s. so speed × time = distance

5 0
3 years ago
Read 2 more answers
Assume we cut the last piece of the pie into two sections (1 and 2) along ray BD
earnstyle [38]

Answer:

If we want the greatest portion of pie, then you must choose the section with the greatest angle. Therefore, we must choose Section 2. But if we want the smallest portion of pie, then we must choose Section 1.

Step-by-step explanation:

From statement, we know that measure of the angle ABC is equal to the sum of measures of angles ABD (<em>section 1</em>) and DBC (<em>section 2</em>), that is to say:

m \angle ABC = m\angle ABD + m\angle DBC (1)

If we know that m\angle ABC = 40^{\circ}, m\angle ABD = 2\cdot x + 3 and m\angle DBC = 4\cdot x + 7, then the value of x is:

(2\cdot x + 3)+(4\cdot x + 7) = 40^{\circ}

6\cdot x +10^{\circ} = 40^{\circ}

6\cdot x = 30^{\circ}

x = 5

Then, we check the angles of each section:

Section 1

m\angle ABD = 2\cdot x + 3

m\angle ABD = 13^{\circ}

Section 2

m\angle DBC = 4\cdot x + 7

m\angle DBC = 27^{\circ}

If we want the greatest portion of pie, then you must choose the section with the greatest angle. Therefore, we must choose Section 2. But if we want the smallest portion of pie, then we must choose Section 1.

6 0
3 years ago
David bought three candy bars for $2.45. Assuming that each candy bar is the same price, what is the unit rate for the cost of t
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Answer:

$4.55

Please give me the brainliest!

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6 0
3 years ago
30 students : 2 teachers<br> please help this is due today
tankabanditka [31]

Answer:

It’s a ratio

Step-by-step explanation:

Is that the whole question?

6 0
3 years ago
Line DB bisects ∠ABC, m∠ABD = 4x, and m∠DBC = x + 36. Find m∠ABC. Choose True or False for each statement.
lapo4ka [179]

Since DB bisects ∠ABC and ∠ABC= ∠ABD + ∠DBC, then

∠ABD = ∠DBC, that is

4x = x + 36 ( subtract x from both sides )

3x = 36 ( divide both sides by 3 )

x = 12

∠ABD = 4x = 4× 12 = 48°

∠DBC= x + 36 = 12 + 36 = 48°

∠ABC = 48° + 48° = 96°

Thus statement A is FALSE

statement B is TRUE

statement C is TRUE


4 0
3 years ago
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