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Derrick253
11.01.2021 •
Mathematics
What is the value of h(a) if h(x)=x to the power of two+4x-7
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Ответ:
Step-by-step explanation:
Using tangent ratio:
As per the statement:
In the given right angle triangle.
First find x:
Using tangent ratio:
⇒x = 7 units
We have to find the value of y:
Using Pythagoras theorem;
Substitute the given values we have;
⇒![y^2 = 49+49 = 98](/tpl/images/0327/4741/83894.png)
⇒![y = \sqrt{98} = \sqrt{49 \cdot 2} = \sqrt{7^2 \cdot 2}](/tpl/images/0327/4741/afe5d.png)
⇒
units
Therefore, the value of y is,
units