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AnnZ [28]
3 years ago
12

Find the domain of the graphed function. Help me please);

Mathematics
1 answer:
pogonyaev3 years ago
8 0

The correct answer is B. -4<x<2.

This is because the domain is looking for the values of x that can be used in the function. In the picture below, you will notice that the leftmost point is at x = -4. This is as low as the x value goes. The rightmost point is at x = 2, which is as large as the x value gets. Therefore the domain is between those two numbers.

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How do I factor w^2 + 16?
sdas [7]

Answer:

(w+4) (w-4)

Step-by-step explanation:

3 0
2 years ago
Which equations support the fact that rational numbers are closed under subtraction? Select each correct answer
noname [10]

The rationals being closed under subtraction means that if we start with two rational numbers and subtract them, we get another rational number.  Choice c subtracts two rational numbers but gets the wrong answer, so isn't support for anything.  Choice b is rational too because the square root of 4 is 2.

Answer: b

8 0
3 years ago
Can someone help me with problem please? It’s special right triangle: decimal answers (Round to the nearest tenth)
DochEvi [55]

Answer:

h= 4.6, c=7.1

Step-by-step explanation:

First you need to know in a 30 60 90 triangle the sides ratios are x, 2x and x√3, and for 45 90 45 it is x, x and x√2

so <em>h</em> is 8/√3 and you rationalize the bottom so it becomes 8√3/3. when you solve this and round to nearest hundred it becomes 4.6. for the second one, it is 5√2 and when you solve this and round, it becomes 7.1

8 0
3 years ago
21 marbles out of N are blue; probability of getting a blue one = 30%
MissTica
Probability=\frac{desired}{total}
0.3=\frac{21}{N}
0.3N=21
N=\frac{21}{0.3}
N=70

There are 70 total marbles. 
4 0
3 years ago
Helpppppppppppppppppppp pretty please im very desperate
laila [671]

Answer:

the first one is no it's nonproportional

and the second one it yes its proportional

7 0
2 years ago
Read 2 more answers
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