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Ahat [919]
2 years ago
7

A music school offers its students 8 different classes each semester. 4 of the classes are in music theory, 3 of the classes are

in music teaching, and 1 of the classes is in the instrument of the student's choice. Students are required to choose 3 classes. What is the probability that a randomly chosen student did not choose any music theory classes? Fill in the blanks for the answer below.
Mathematics
1 answer:
Bond [772]2 years ago
8 0

Answer:

5

Step-by-step explanation:

You might be interested in
PLEASE HELP ASAP!!!!!
evablogger [386]

Answer: x=2.25

Step-by-step explanation:

-3x+10=5x-8

+3x +3x

10=8x-8

+8 +8

18=8x

18/8=8x/8

2.25=x

6 0
3 years ago
Marjorie consumed 1.5 gallons of water in one day. How many milliliters are equal to 1.5 gallons, if 1 liter = 1,000 milliliters
vesna_86 [32]
5.6775 milliliters

Explanation: First ask how many liters are in one gallon(3.79) then split that number in half (1.895)and add to that to 3.79 and your final answer is 5.6775
5 0
3 years ago
18⅔ ÷ ⅔ <br>how many children are there?<br>​
kiruha [24]
The answer is 28

Explanation:


18⅔ ÷ ⅔

= 56/3 ÷ 2/3
= 56/3 x 3/2

= 56/2

=28
4 0
2 years ago
What is the measure of 143°<br> 61°<br> Enter the answer in the box.
Keith_Richards [23]

Answer:

angle CAB=37° angle ABC=82°

5 0
2 years ago
Alex was biking along a 48 mile trail. First half of the time he was biking twice as fast as the second half of the time. If he
nydimaria [60]

Answer:

The speed in the first part is 16 mph.

Step-by-step explanation:

The total distance is 48 miles. The total time is 4 hours.

In the second part of the trip, he was traveling at speed s for distance d for 2 hours.

In the first part of the trip he was traveling at twice the speed, or 2s, for distance 48 - d, for 2 hours.

speed = distance/time

distance = speed * time

First part of trip:

48 - d = 2s * 2

d + 4s = 48   Equation 1

Second part of the trip:

d = s * 2

d = 2s    Equation 2

Equations 1 and 2 form a system of equations in two unknowns, d and s.

d + 4s = 48

d = 2s

Substitute 2s for d in equation 1.

2s + 4s = 48

6s = 48

s = 8

The speed in the second part is 8 mph.

The speed in the first part is 2s = 2(8) = 16.

The speed in the first part is 16 mph.

Check:

d = 2s = 2(8) = 16

48 - d = 48 - 16 = 32

The second part is 16 miles. The first part is 32 miles.

16 miles at 8 mph takes 2 hours.

32 miles at 16 mph takes 2 hours.

2 hours + 2 hours = 4 hours.

Our answer is correct.

Answer: The speed in the first part is 16 mph.

7 0
3 years ago
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