Answer:
4.5
Step-by-step explanation:
Mean = (4+5+6+3)/4 = 4.5 bubbles
Multiply 17x5=85,85+5=90 so aswer is 90
Answer:420
Step-by-step explanation x=90/0.375
Answer:
+ 16
Step-by-step explanation:
x² - 8x = - 10
to complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 4)x + (- 4) = - 10 + (- 4)²
x² - 8x + 16 = - 10 + 16
thus 16 is added to both sides to complete the square
Answer:
60%
Step-by-step explanation:
9/20 is 45%
