Answer:
the two options that are equivalent would be the first option and the fourth option. (2x . 2y = 4xy) (5xyz = 5 . x . y . z)
Step-by-step explanation:
Answer:
22
Step-by-step explanation:
£9.90 = 990p
x is number of 50p stamps
2x* 20 + x* 50 = 990
40x+50x = 990
90x = 990
x = 11
2x = 22
11 50p stamps
22 20p stamps
check:
11*50+22*20 = 550 + 440 = 990
Yes it is x^2 when you multiply x by x
Answer: Annual insurance premium would be $950.40.
Step-by-step explanation:
Since we have given that
Value of house = $198,000
Percentage of its cost is insured = 80%
Value of house is insured is given by

Cost of insurance = $6 per $1000.
So, Annual insurance premium would be

Hence, Annual insurance premium would be $950.40.
The third person to get both a water bottle and pencil would be the 72 person