Answer:
x = 
Step-by-step explanation:
Step 1:
3x + 2 = 12 Equation.
Step 2:
3x + 2 − 2 = 12 − 2
3x = 10 Balance the Equation (Subtract 2).
Step 3:
Divide both sides by 3.
Hope this helps :)
Answer:
=2277 Ans.
Step-by-step explanation:
Find the selling price
(a) Cost =600
Profit=13%
Selling price =Cost + profit
=600+
100
600×13
=600+78
=678 Ans.
(b) Cost=2475, loss=8%
Selling price = Cost+ profit/loss
=2475+(−
100
2475×3
)
=2475−198
=2277 Ans.
Answer:
Step-by-step explanation:
Use the Law of Cosines to find the measure of angle A from the lengths of the sides.
A = arccos[(b²+c²-a²)/(2bc)] ≅ 29.9°
B = arccos[(a²+c²-b²)/(2ac)] ≅ 54.8°
C = 180 - A - B = 95.3°
Answer:
90/100
Step-by-step explanation:
You add 18 for every 20 students until you get to 100.