Answer:
55
Step-by-step explanation:
JL = JK + KL
84 = 3x+5 + 6x+7
Combine like terms
84 = 9x +12
Subtract 12 from each side
84-12 = 9x+12-12
72 = 9x
Divide by 9
72/9 = 9x/9
8 =x
We want KL
KL = 6x+7
6*8 +7
48+7
55
Answer:
yes its a function because the x side doesnt repeat itself
Step-by-step explanation:
Answer:
Use the equation ?/45.20 = 35\100 and what you get is your answer
Hope this helps
Step-by-step explanation:
Answer:
8 kilos of it is gold, since 2/5 in decimal form is 0.40
12 kilos of it is copper.
Step-by-step explanation:
Multiply 20 times 0.40, you get 8, so 8 kilos of it is gold, while 12 kilos is copper.
T^T