Find the missing angle
1 answer:
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Answer:
The unit rate for 65 miles in 2.7 gallons is 24.07 miles per gallon.
Step-by-step explanation:
Given that:
65 miles in 2.7 gallons
We have to find the unit rate.
Unit rate is a rate to compare quantities in which one quantity is 1.
Unit rate =
Unit rate = 24.07 miles per gallon.
Hence,
The unit rate for 65 miles in 2.7 gallons is 24.07 miles per gallon.
Answer:
-1
Step-by-step explanation:
The attached result from a graphing calculator shows the other root to be ...
x = -1
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The "system of equations" consists of one equation for the left side function, and one equation for the right side function. The graphs of the two equations intersect at the point where the left and right parts of the given equation are equal to each other. The graphs intersect at x=-1.
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<em>Additional comment</em>
We prefer to subtract one side of the equation from the other, so we have a single function whose value is 0 at the root of interest. Here, that would be ...
(x^3 +x^2) -(-9x -9) = 0
x^2 +x^2 +9x +9 = 0
We would graph y = x^3 +x^2 +9x +9 and have the graphing calculator identify the x-intercept. This is shown in the second attachment. No "system of equations" is required for this.
