Answer:
rotational symmetry: 2
reflectional symmetry: 0
Step-by-step explanation:
I took the test
Using the Fundamental Counting Theorem, it is found that 80 different scores are possible if everyone gets at least one point.
<h3>What is the Fundamental Counting Theorem?</h3>
It is a theorem that states that if there are n things, each with 
ways to be done, each thing independent of the other, the number of ways they can be done is:
There are 4 darts, and for each dart 3 possible scores, hence:
Hence the number of possible scores, removing the one score with zero points on all four rounds, is:
N = 3 x 3 x 3 x 3 - 1 = 80.
More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866
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Answer:
Mean= 13.38
Median= 15
Step-by-step explanation:
The mean can be calculated by getting the sun of the 8 scores and then dividing it by the number of students
Mean= 7 + 18 + 18 + 15 + 17 + 10 + 15 + 7/8
= 107/8
= 13.38
The median can be calculated by first rearranging the numbers from the lowest to the highest and then calculating the average of the two middle numbers
7 , 7, 10, 15, 15, 17, 18, 18
Median = 15+15/2
= 30/2
= 15
Hence the mean is 13.38 and the median is 15
Answer:
-7x + 4y - 5
Step-by-step explanation:
Apply the multiplicative property: Multiply every term inside the parentheses by -1. We get:
-7x + 4y - 5
Answer:
Ivan got £90 more than tanya.
Step-by-step explanation:
£150/(4+1)
=£150/5
=£30
Ivan: £30 x 4=£120
Tanya: £30 x 1=£30
Ivan - Tnaya=£120 - £30=£90
Hope it helps.
