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e-lub [12.9K]
3 years ago
8

Determine the domain of the function f(x)=√9+3x. Explain or show you arrived at your answer

Mathematics
1 answer:
liraira [26]3 years ago
5 0
The domain is [-3,+infinity}
Or
X_>-3


Use the commutative property to reorder the terms, Separate the function into parts to determine the domain of each part, The domain of an even root function are all values of for which the radicand is positive or , The domain of a linear function is the set of all real numbers, Find the intersection
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An equilateral triangle has a perimeter of 60m and a height of 17.3m. what is its area?
Simora [160]

The area of any triangle is            (1/2) x (length of the base) x (height) .

In this problem, we know the triangle's height,
but what is the length of the base ?

The base is the side that the triangle is sitting on.  This particular triangle
is an equilateral one, and its perimeter is 60m.  So each side must be 20m. 
No matter which side the triangle is sitting on, the length of the base is 20m.

           Area = (1/2) x (base) x (height)

           Area = (1/2) x (20m) x (17.3m) =  <em>173 m²</em>


3 0
3 years ago
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Maria is m inches tall. Blaire is 2 inches taller than Maria. If Blaire is 52 inches tall, which equation could be used to find
Setler79 [48]
The answer would be C. m+2=52
7 0
2 years ago
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Question 1/10 points)
lina2011 [118]

the 2nd expression is the answer

5 0
3 years ago
Name a linear pair.
Alja [10]

Answer:

It is C. Linear pairs make a 180 degree turn. Hope this helps!

Step-by-step explanation:

7 0
3 years ago
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How do You supposed to do this i need many method to do it.
defon
I like the substitution method. Which is when you make one equation equal only x or y and plug it into the other equation)

There is also the graphing method. If you graphed it, it might not be quite as accurate (at least on hand, on computer you would be pretty exact)

Then there is the elimination method. You multiply one of the equations by a coefficient so that you can eliminate x or y from the equation. 
4 0
3 years ago
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