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3 years ago

7

An equilateral triangle has side length 10 centimeters. Find its area in square centimeters. HINT: The altitude of an equilatera

l triangle is the perpendicular bisector of its base.

1 answer:

dmitriy555 [2]3 years ago

3 0

30cmsquared hope this helps!!!!!

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Bad White [126]

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3 years ago

Read 2 more answers

tigry1 [53]

The required domain of the inverse function is x ≤ 0. Hence option D is correct.

f(x) = -x^2

<h3>What are functions?</h3>

Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in set of y. x is independent variable while Y is dependent variable.

Inverse of function f(x) = -x^2
y = -x^2
x = √-y
Now,
Inverse function of f(x) is √-x
Its domain is define as less than or equal to zero.

Thus, the required domain of the inverse function is x ≤ 0.

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2 years ago

What is the right choice

never [62]

I think its C but not sure

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3 years ago

I was doing my homework and got confused on this question.

spayn [35]

We will determine the length of the segment DF as follows:

*We have that the triangles are similar, and therefore the following is true:

$\frac{2}{1.34}=\frac{4}{DF}$

Now, we solve for DF:

$\Rightarrow DF=\frac{1.34\cdot4}{2}\Rightarrow DF=2.68$

From this, we have that the length of the segment DF equals 2.68 units.

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1 year ago

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const2013 [10]

Where’s the graph lol

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3 years ago