Answer:
m∠ D = 39°
Step-by-step explanation:
sum of interior angles of a triangle= 180
180 - 102 = 78
78 / 2 = 39
Answer:
2
Step-by-step explanation:
∵a+1,2a+1,4a-1 are in A.P.
2(2a+1)=a+1+4a-1
4a+2=5a
5a-4a=2
a=2
Answer:
40
Step-by-step explanation:
410 divided by 10.25 = 40
The percentage error is 10%
Note: <span>Make the rule of three simple
cartoons __ price $
3 --------------- 4.77
8 --------------- y
Solving: (</span><span>directly proportional)
</span>
<span>Product of extremes equals product of means
</span>
Answer:
The price of eight cartoons was