Answer:
12+x=12+4=16
3x+y=3*4+7=12+7=19
4y-10=4*7-10=28-10=18
1/2xy=1/2*4*7=28/2=14
Step-by-step explanation:
Given problem:
What is 9*5;
The formula P*Q = P x Q - 7;
To find 9*5, simply make P = 9 and Q = 5
Input into the equation and solve;
P*Q = P x Q - 7 = 9 x 5 - 7
= 45 - 7
= 38
The solution to this problem is 38.
Answer: 1/3
Explanation: Zach does 1/6 in 30 minutes (1/2 an hour), in an hour Zach can complete 2/6 of his homework. Simplify to 1/3.
Answer:
1.5 or 3/2
Step-by-step explanation:
It would be D because you add the the 3 and the 5 and you get 8