The LCD of 2/5 + k/4 = 9/10 is 20. Applying this LCD, we get:
8 + 5k = 18. Subtracting 8 from both sides: 5k = 10. Then k = 10/5, or k = 2.
Answer:
D. 3 1/2
Step-by-step explanation:
Sum means addition (+)
Sum of a number, x and 1/2=4
This means the addition of the two numbers
x+1/2=4
Make x the subject of formula
x=4-1/2
Finding the L.C.M
= 8-1/2
x=7/2
x=3 1/2
30, you could just multiply both numbers, but it's also better to list out the factor until both match
She can recieve a salary of $600 per week. If she went with option number two then she would be getting like 500 dollars.
Answer:
X=0 and X=-2
Step-by-step explanation:
Move all terms to one side and set equal to 0. Then set each factor to 0 and solve.
X=0,-2