Answer:
180
Step-by-step explanation:
If 35% did not wear happy faces, then 100% -35% = 65% did wear happy faces.
Then we have ...
... 117 = 65% × (all children)
... 117/0.65 = all children = 180 . . . . . . divide by 65% = 65/100 = 0.65
There were 180 children in all.
Answer:
D.
Step-by-step explanation:
The pythagorean theorem says that a²+b²=h², therefore h = .
Solution is where the lines intersect. It's is (-2 , 1)
Answer is B.(-2,1)
Answer:
287
Step-by-step explanation:
Reflex angle:
an angle greater than 180° and less than 360°
360-73=287
The original messy expression:
2x + 3 + 5x + 6
Add up all the x's: 2x + 5x = 7x
Add up all the plain numbers: 3 + 6 = 9
Re-write the expression: 7x + 9