He has 87 nickels (divide 435 by 5).
According to my calculation it should be C: x= 1 and y = - 4
NOTE: I had it right on my online class.
Answer:
1 13/28
Step-by-step explanation:
3×4/28 + 5×4/28. it 28 because the lcm of 4 and 7 is 28
21/28+20/28=41/28=1 13/28
Answer:
24
Step-by-step explanation:
because i have done this problem before that is the answer
Answer:
sin(a)=20/29
cos(a)=21/29