Complelment adds to 90
let's say the complement is B
A+B=90
4x+2+B=90
minus (4x+2) from both sides
B=88-4x
Answer:
12.25
Step-by-step explanation:
B = 15.25 -0.06x
B = 15.25 -0.06(50)
B = 12.25
Answer: John is 6. Claire is 12.
Step-by-step explanation: 12 * 5 = 60. 6 * 2 = 12. 60 + 12 = 72.
Answer:
b. The system is not in echelon form because the system is not organized in descending "stair step" pattern so that the index of the leading variables increases from the top to bottom.
Step-by-step explanation:
The given linear system has a equation which is not in echelon form. The echelon is a system which divides the data into rigid hierarchal groups. The given linear equation in not in echelon form as the leading variables are increased from top to bottom indicating descending stair step pattern.
Answer:
Option C
Step-by-step explanation:
Assuming P represents the number of outcomes, n the number of competitors and r the number of places to be awarded....
There are 336 different possible ways for the winners to be chosen.
<u><em>Hope that helps!</em></u>