Hello,
Adding the 2 equations,
x+y+x-y=k+k ==>2x=2k==>x=k
if x=k, y=k-k=0
solution is (k,0)
Answer:
divide 63 by 3 to get how many copies will be made in 1 min, 63/3= 21
divide 315 to 21 to know how many min it will take= 315/21= 15
It will take 15 min to make 315 copies!
Step-by-step explanation:
Hope this helps!!!
Answer:
89
Step-by-step explanation:
85+92+95+81+92=445 and since there are 5 numbers you're going to divide by 5 so 445/5 which is 89
Here total available flowers are a lily,a rose , a carnation , a daisy, a dahlia and an iris that is 6 .
And florist is going to make a five flower arrangement from the given 6 flowers without selecting a daisy. SO he have a total of 5 flowers available .
Therefore required probability = 5/6
