There is a total of 600 blue, yellow, and red balls in a machine.
1 answer:
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The standard form:
The point-slope form:
m - slope
(x₁, y₁) - point
The formula of a slope:
We have the points (2, -3) and (4, 2). Substitute:
<em>use distributive property</em>
<em>multiply both sides by 2</em>
<em>subtract 6 from both sides</em>
<em>subtract 5x from both sides</em>
<em>change the signs</em>
1.
Answer D.
2.
From secant theorem, we know, that:
and from picture:
So we can calculate:
Answer D.
2.
From secant theorem, we know, that:
and from picture:
So we can calculate: