Answer:
Step-by-step explanation:
What is the VALUE OF 3r=10+5 when r=10?
substitute 10 for r in 3r=10+5. We get:
3(10) = 10 + 5, or 30 = 15. This equation is FALSE when r = 10.
You could solve the equation for r, however:
3r=10+5 becomes 3r = 15, and so r = 5. 5 is a solution; 10 is not a solution.
Answer:
c. 4 and 42
Step-by-step explanation:
Given
-- independent variables
---- observations
Required
The numerator and denominator degrees of freedom
The denominator degrees of freedom is:



For the numerator, we have:


Answer:
3x+4y=-11
Step-by-step explanation:
Answer:
5.4 numbers of purple beads and 12.6 numbers of silver beads.
Step-by-step explanation:
Arlene makes a necklace using 14 purple beads for every 6 silver beads. So, she uses purple and silver beads in the ratio 14 : 6 = 7 : 3.
Now, the necklace contains 18 beads, then in the ratio 7 : 3, there will be
numbers of purple beads and (18 - 5.4) = 12.6 numbers of silver beads. (Answer)
The answer is 14
I hope this helps!