Answer:
22%
Step-by-step explanation:
So First we subtract 90 and 70 = 20
Then we divide 20 by 90 = which gives us approximately 0.22 then we turn that into a percent by moving the decimal point 2x to the right.
So In conclusion, the percent decrease is 22%
Remember the formula is:
amount of change ÷ by the original amount
For this case we have the following quadratic equation:
Where:
According to the quadratic formula we have:
Substituting:
We have two roots:
Answer:
Answer:
8 units
Step-by-step explanation:
mid point of hypotenuse of right angled isosceles triangle is equidistant from three vertices.
length of altitude=16/2=8