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jeyben [28]
3 years ago
6

The question, “How many ways can 4 students be chosen from a class of 30 students?”, is a(n) _____.

Mathematics
2 answers:
Ahat [919]3 years ago
7 0
The answer to your question is A 
OLga [1]3 years ago
5 0

Answer:  Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Total students in a class = 30

Number of students is to be chosen = 4

So, we will use Combination :

<u>As Combination is the collection of the object irrespective of any arrangement.</u>

So, Number of ways to choose 4 students among the 30 students is given by

^{30}C_4\\\\=27405

Hence, Combination is the required answer.

Therefore, Option 'A' is correct.

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Complete the point slope of the line through (-5,4) and (1,6)​
Vesnalui [34]

Answer:

Step-by-step explanation:

The slope is given by change in the ordinate divided by change in the abscissa.= Y2-Y1/X2-X1

=6-4/1+5= 2/6= 1/3

5 0
3 years ago
Read 2 more answers
If 2^x+4 = 2^3x-1, what is the value of x?
Ronch [10]

Answer:

     x = 5/2

Step-by-step explanation:

2^x+4 = 2^3x-1

x + 4 = 3x - 1

3x - x  = 4 + 1

2x   = 5

     x = 5/2

3 0
3 years ago
The terminal side of an angle, Theta, whose sine value is One-half
Kazeer [188]

Theta has a reference angle of 30° and is in Quadrant I or II.

Sin(theta) = ½

Basic angle: 30

<h3>What is the reference angle?</h3>

The acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle sandwiched between the terminal side and the x-axis.

Angles: 30,

180-30 = 150

Because sin is positive in quadrants 1 and 2.

To learn more about the terminal side  visit:

brainly.com/question/1982296

#SPJ1

4 0
2 years ago
5. Solve v = w - 20 for w.​
slava [35]

v = w - 20

move -20 to the other side

sign changes from -20 to +20

to get w by itself

v+20= w-20+20

Answer:

w= v+20 or w= 20+v

5 0
3 years ago
Read 2 more answers
What is bigger 1/3 or 3/5
raketka [301]

Method\ 1:

\dfrac{1}{3}=\dfrac{1\cdot5}{3\cdot5}=\dfrac{5}{15}\\\\\dfrac{3}{5}=\dfrac{3\cdot3}{5\cdot3}=\dfrac{9}{15}\\\\\dfrac{3}{15} < \dfrac{9}{15}\ therefore\ \dfrac{3}{5}\ is\ bigger


Method\ 2:

\dfrac{1}{3} < \dfrac{1}{2}=\dfrac{1.5}{3}\\\\\dfrac{3}{5} > \dfrac{1}{2}=\dfrac{2.5}{5}\\\\therefore\ \dfrac{3}{5}\ is\ bigger

6 0
3 years ago
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