Answer:
143
Step-by-step explanation:
lets make a fraction:
so
91 oil changes/7days
lets take "x" as the unknown # of oil changes:
so
x/11
91/7=x/11
we can cross multiply:
91*11=7*x
1001=7x
143=x
so 143 oil changes in 11 days
Hope this helps!
Answer: 37.5
1/2 in decimal from is 0.50 or 0.5
Answer: x= -1
y= -2
Step-by-step explanation:
-4x+3y= -2
y=x-1
-------------------
-4x+3(x-1)= -2
-4x+3x-3= -2
-x=1
x= -1
y=-1-1
y=-2
Answer:
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
Answer:
true.
Step-by-step explanation:
hope this helps, i looked it up :)