Answer:
399.84
Step-by-step explanation:
408.00 x .98 (2% reduction from 100) = 399.84
Answer:
15
Step-by-step explanation:
pythag theorum

= 21
First, simplify

to

/ Your problem should look like:

= 21
Second, multiply both sides by 8. / Your problem should look like: -7k = 167
Third, divide both sides by -7. / Your problem should look like: k =
Fourth, simplify

to

/ Your problem should look like: k =
Fifth, simplify

to 24. / Your problem should look like: k = -24
Answer:
k = -24
Answer:
A
Step-by-step explanation:
I think I am not sure I just started to do this in school...
Answer:
calcium =1x40=40
chlorine=2x35=70
40+70=110
ca=40/110×100=36.36
when we approximate it become 36.4
thanks