Yes.....
3x+24=42
3x=42-24
3x=18
x=18/3
.°. x=6
no...
3(x+8)=126
x+8=126/8...
3x+8=42
3x=42-8
3x=34
x=34/3....
4 number.... yes
3x+24=42
3x=42-24
3x=18
x=18/3
.°. x=6
second last yes and last not enough information...
4 Tickets to alaska will cost 3832$. 4 Tickets to Vancouver however will cost 2938$. 3832$ - 2938$ = 894$. They will save 894$
Put the given information into the formula and solve for the variable of interest.
.. V = π*r^2*h
.. 252π = π*r^2*7
.. (252π)/(7π) = r^2
.. 36 = r^2
.. 6 = r
The radius is 6 cm. Selection D is appropriate.
_____
We would prefer that the offered selections had the appropriate cm units attached.
Answer:
1)Common difference=1.3 as 3.1-1.8=1.3 also 1.8-0.5=1.3
2)Method to take out Progression
a+(n-1)d=tn
0.5+(30-1)1.3=tn
0.5+37.7=38.2
3)580.5