Nickels is 0,05 of dolar - n
dimes is 0,1 o dolar -d
quarters is 0,25 of dolar -q
dimes =2nickels
d=2n
quarters=2dimes
q=2d=4n
12,5=n(0,05)+2n(0,1)+4n(0,25)
12,5=0,05n+0,2n+n
12,5=1,25n
n=10
q=4n=40
There are 40 quarters
Answer:
0.47
Step-by-step explanation:
- 4.2/9 is 4.66 repeating
- Hundredth means anything after the 6
- Which means 7
- So answer is 0.47
If x=-1 => y-2=5=> y=7,x=-1
If x=0=> y+0=5=> y=5,x=0
If x=3=> y+6=5=> y=-1,x=3
Answer:
-28
Step-by-step explanation:
Plugging in -6 as x we get 5(-6) + 2, which simplifies to -30 + 2 or -28.
Bring u outside the bracket so u (32 -v + 8u)
