The mutiple of 15 is 60. Factors of 15 include 3 and 5; multiples of 15 include 30, 45, 60, ecetera.
Answer:
x = 3 , X = -3
In x 2 = 9 , you need to get rid of the power of 2 in order to isolate just x This involves finding the square root. √ x 2 = x However there are 2 possible answers to a square root, a positive or a negative answer. x = ± √ 9 x = ± 3
7x+ 5 ! you combine the xs together as well as 7-2 which gives you 5 :)
Answer:
The number of yellow sweets is 28
Step-by-step explanation:
Ratio of red to yellow sweets is 3:7
Total sweet is 40
total ratio is 3 + 7 = 10
To know the total number of yellow sweet, we have
(7/10) × 40
= 0.7 × 40
= 28
|Ω| = 6 - number of all results
A = {1, 3} → |A| = 2 - number of (a) results
P(A) = 2/6 = 1/3