So change from 50 to 35
first find change
50-35=15
50=100%
15=x%
percent means parts out of 100
15 out of 50=x/100
15/50=x/100
30/100=x/100
30=x
the answer is 30% change
Answer:
Area of triangle = 1/2 base x height
OR
Area = 1/2 bh
Step-by-step explanation:
Answer:
6.71cm
Step-by-step explanation:
length of chord = 2× √( radius^2 - distance^2) Pythagoras theorem
= 2 × √(4.5^2 - 3^2)
= 2 × √11.25 = 6.71cm
Your answer is c because you would subtract 6x in the first equation then divide by two and you will bed the third equation so C
Graphing quadratic formulas is not always exact. Completing the square will be exact.