A jar contains 75 marbles. 2/5 of the marbles are black. What fraction of the marbles are black, using 75 as the denominator
2 answers:
Answer:
Step-by-step explanation:
Given : A jar contains 75 marbles.
2/5 of the marbles are black.
To Find : What fraction of the marbles are black, using 75 as the denominator
Solution:
Total marbles = 75
2/5 of the marbles are black.
No. of black marbles =
=
So, fraction of the marbles are black, using 75 as the denominator =
You might be interested in
Answer:
Step-by-step explanation:
(1, 3) ⇒ x₁ = 1, y₁ = 3
(7, 2) ⇒ x₂ = 7, y₂ = 2
So the slope:
The ratio of the distance between the foci and the length of the <em>major</em> axis is called eccentricity.
<h3>Definitions of dimensions in ellipses</h3>
Dimensionally speaking, an ellipse is characterized by three variables:
- Length of the <em>major</em> semiaxis (
).
- Length of the <em>minor</em> semiaxis (
).
- Distance between the foci and the center of the ellipse (
).
And there is the following relationship:
(1)
Another variable that measure how "similar" is an ellipse to a circle is the eccentricity (), which is defined by the following formula:
,
(2)
The greater the eccentricity, the more similar the ellipse to a circle.
Therefore, the ratio of the distance between the foci and the length of the <em>major</em> axis is called eccentricity.
To learn more on ellipses, we kindly invite to check this verified question: brainly.com/question/19507943