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Sergeu [11.5K]
3 years ago
7

Three coins are tossed onto a table and the numbers of heads is recorded. The number of possible outcomes for this event is

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
5 0

Answer:

4!

Step-by-step explanation:

4 is correct, since there will be no heads, one head and two tails, two heads and one tail, or three heads. Notice that the order is not involved here.

Ivenika [448]3 years ago
4 0
1 coin has 2 sides. Multiply 2 × 3 to get the total number of outcomes.
2 × 3 = 6
There are 3/6 Possible outcomes.
Remember, they are looking for the number of heads, not both.
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In a mathematic test 30 students obtained the following scores
Aleks [24]

Answer:

a) Prepare a frequency table for the data

Step-by-step explanation:

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2 years ago
A school chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers
Vera_Pavlovna [14]

Answer:

a) 15 is the largest number of groups that can be made.

b) There would 6 sixth grade students and 5 seventh grade students in each group.

Step-by-step explanation:

Number of sixth-grade students = 90

Number of seventh-grade students = 75

a) What is the largest number of groups that could be formed?

Since the music director wants to make groups with the same combination of sixth and seventh grade students in each group,

The greatest common factor (GCF) of the number of sixth and seventh grade students would give us the required combination.

Factor of 90 = 2*45 = 2*3*15 = 2*3*3*5

Factor of 75 = 3*25 = 3*5*5

The greatest common factors are 3 and 5

GCF = 3*5 = 15

Therefore, 15 is the largest number of groups that can be made.

b. If that many groups are formed, how many students of each grade level would be in each group?

Sixth grade = 90/15 = 6

Seventh grade = 75/15 = 5

Therefore, there would 6 sixth grade students and 5 seventh grade students in each group.

7 0
3 years ago
What are the solutions to the equation 3(x – 4)(x + 5) = 0?
vesna_86 [32]
First you distribute the 3
(3x-12) (x+5)=0
then you set each equation equal to zero
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then you solve for x
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7 0
3 years ago
Read 2 more answers
Tom, Sam and Matt are counting drum beats.
Rzqust [24]

Question

Tom, Sam, and Matt are counting drum beats.

Tom hits a drum every 2 beats.

Sam hits a drum every 5 beats.

Matt hits a drum every 8 beats.

Tom, Sam, and Matt start hitting their drums at the same time.

How many beats is it before Tom, Sam, and Matt hit their drums at the same time?

— Need help ASAP, with the explanation to the answer if possible. —

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3 0
2 years ago
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IrinaVladis [17]

Answer:

The amount of mango juice needed is 8 quarts

Step-by-step explanation:

To calculate the amount of mango juice needed, we will need to know the amount used the previous week.

Cranberry juice to Mango juice is 3:2 with cranberry used being 4 quarts. Let the quarts of Mango juice used be x

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3/2 = 4/x

1.5 = 4/x

1.5x = 4

x = 4/1.5 quarts

Since they are making 3 times as much punch, the amount of mango juice needed will be 4/1.5 * 3 = 4 * 2 = 8 quarts

8 0
3 years ago
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