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jb11177
18.03.2021 •
Mathematics
The owner of Wil's Fish Market orders cod and tuna. He wants to buy at least 40 pounds of fish, but cannot spend more than $400. Cod is $5 per pound and tuna is $8 per pound. Let x = amount of cod (in pounds) and y = amount of tuna (in pounds).
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Ответ:
The required measure of angle 3 is 60°.
Step-by-step explanation:
We are given to find the measure of angle 3 from the figure if
m∠5 = 130° and m∠4 = 70°.
Let the measure of angle 3 be x°.
From the figure, we note that
angle 5 is an exterior angle and angles 3 and 4 are two remote interior angles of the triangle.
We know that
the measure of an exterior angle to a triangle is equal to the sum of the measures of two remote interior angles.
So, we get
Thus, the required measure of angle 3 is 60°.