(2x+15) +x=90
- 15 = -15
2x+x= 75
3x= 75
3 = 3
x= 25
Known facts:
- total number of students on the council: 35
- 60% of the council students are boys
Results:
- therefore 40% of the total number of council students are girls.
Calculation:
Therefore there are 14 girls.
Hope that helps!
C=2πr r radius it would be right
Check the picture below, notice those three quadrilaterals.
the square, is really a rectangle and is also a rhombus, but with right-angles and equal sides.
Answer:
true
Step-by-step explanation:
first find the median of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.