Which of the following word problems models the expression? Select all that apply. Grace divided cups of popcorn into bags each
2 answers:
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Answer:
see explanation
Step-by-step explanation:
The perimeters of the similar figures have the same ratio as the sides.
ratio of perimeters =
ratio of areas = 11² : 6² , that is 121 : 36
ratio of areas =
Given that,
An equation : -9c² +2c +3 = 0
To find,
Find the value of x.
Solution,
We have, -9c² +2c +3 = 0
We can solve it using the formula as follows :
Here, a = -9, b = 2 and c =3
Put the values,
So, the solution are -0.47 and 0.69.