Answer:
Step-by-step explanation:
Let the angles be 4x , 5x
4x + 5x = 180 { supplementary}
9x = 180
x = 180/9
x = 20
Larger angle= 5x = 5* 20 = 100
Answer:
300
Step-by-step explanation:
Is means equals and of means multiply
18 = 6% * N
Change to decimal form
18= .06N
Divide by .06 on both sides
18/.06 = .06N/.06
300 = N
The number is 300
Answer:
C. 0.79
Step-by-step explanation: Add yeses and nos together. Total students above average is 70. 55 took prep course. Divdide 55 by 70 and you get 0.79%
Answer:
8x-4y=-4
-3x+4y=5
+
-----------------(adding equation)
5x=9
is a required answer
