It's was 55°F outside until the temperature increased 20°F. Which number is the additive inverse of the temperature increase?
2 answers:
we know that
If two numbers have a sum of zero, then we say they are <u>additive inverses</u>
Let
x--------> the additive inverse of the increased of temperature
y--------> the increased of temperature
we know that
---------> equation
in this problem we have
substitute the value of y in the equation
Solve for x
therefore
<u>the answer is</u>
the additive inverse of the temperature increase is
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Using the slope concept, it is found that the angle of elevation to the top of the bridges is of 57.7º.
<h3>What is a slope?</h3>The slope is given by the <u>vertical change divided by the horizontal change</u>.
It's also the tangent of the angle of depression.
In this problem:
- The horizontal change is of 60 m.
- The vertical change is of 100 - 5 = 95 m.
Hence:
The angle of elevation to the top of the bridges is of 57.7º.
More can be learned about the slope concept at brainly.com/question/18090623