Answer:
£21
Step-by-step explanation:
Cost of 18 drinks = £54
Cost of 1 drink
= Cost of 18 drinks/18
= £54/18
= £3
Cost of 7 drinks
= Cost of 1 drink × 7
= £3 × 7
= £21
Answer:
C
Step-by-step explanation:
Perpendicular lines always have reciprocal slopes. The slope for line L is 2/3 found by converting 2x - 3y = 5 into y = 2/3x - 5/3. This means the line M will have slope -3/2. Find the equation of the line using point slope form.
y--10 = -3/2(x - 2)
y+10 = -3/2x + 3
3/2x +y = -7
Since the leading term cannot have a negative or fraction, multiply the equation by 2.
It becomes 3x + 2y = -14.
It increases then falls, so it is approximately a bell shaped curve.


<h2>Step-by-step explanation :</h2>
Total shared part:
1/4 + 1/8
Taking LCM and adding:
2/8+1/8
Adding gives:
3/8
Answer:
5/36 ; 1/12 ; 2/9 ; yes
Step-by-step explanation:
Given the following :
Roll of two fair dice : green and red
Probability = (number of required outcomes / number of total possible outcomes)
(a) What is the probability of getting a sum of 6?
Number of required outcomes = 5
P(sum of 6) = 5/36
b.) What is the probability of getting a sum of 10?
Number of required outcomes = 3
P(sum of 10) = 3 / 36 = 1/12
c.) What is the probability of getting a sum of 6 or 10?
P(getting a sum of 6) + P(getting a sum of 10)
(5/36) + (1/12) = (5 + 3) / 36
= 8/36 = 2/9
The events are mutually exclusive because each event cannot occur at the same time.