Answer:
k=8
Step-by-step explanation:
You can solve this by setting up an equation.
7*(k-5)=21
k-5=3
k=8
Hope this helps!
Answer:
80 hours is needed
Step-by-step explanation:
answer is d
Answer:
m = -1/2
Step-by-step explanation:
m = y1 - y2/x1 - x2
2 - 0/0 - 4
-2/4
Simplify
-1/2
Answer:
85%
Step-by-step explanation:
1. Divide 100 by the maximum amount of students to get the percent value for every student (5% per student)
2. Subtract the number of students you know plays neither sport, leaving you with 17 students.
3. Multiply the remaining students by the percent percent value. 17 * 5 = 85%
(This takes into account that some students are playing both sports.)
8 out of 27 or in other words 8/27
Explanation:
Since 15 play the flute and 2 play the piano, there is a possibility that one of the students out of the 8 plays both intruments.