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crimeas [40]
2 years ago
15

What is x in the equation 2x+5=31

Mathematics
2 answers:
GREYUIT [131]2 years ago
6 0

Answer:

2x+5=31

2x=31-5

2x/2=26/2

x=13

zmey [24]2 years ago
6 0

Answer:

X = 13

Step-by-step explanation:

2x+5=31 \\ 2x = 31 - 5 \\ x =  \frac{31 - 5}{2}  \\ x =  \frac{26}{2}  \\ x = 13

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Which statement could be used to explain why the function h(x) =3 has an inverse relation that is also a function
kobusy [5.1K]

Correct Question is:

Which statement could be used to explain why the function h(x) = x3 has an inverse relation that is also a function?

1. The graph of h(x) passes the vertical line test.

2. The graph of the inverse of h(x) is a vertical line.

3. The graph of the inverse of h(x) passes the horizontal line test.

4. The graph of h(x) passes the horizontal line test.

Step-by-step explanation:

Answer is Option 2: The graph of the inverse of h(x) is a vertical line.

A given expression in x i.e. y = f(x) will be a function if and only if there exists only one value of y that is true for every value of x. We will do the vertical line test for verification if the inverse of a function is a

If we plot f(x) and draw a straight line parallel to y-axis from a point x belonging to its domain and this line meets the curve at only one point then f(x) will be a function. This test is called vertical line test.

So if the graph of inverse of h(x) passes the vertical line test then the inverse of h(x) is also a function.

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3 years ago
1/4 of what is 1/5?
liraira [26]

Answer:

9/20

Step-by-step explanation:

6 0
3 years ago
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4.4

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0.4

Explanation: I'm not completely sure

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Your answer is to the question 16,4
<span>Form of the equation: y = mx + b
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And you are given that m = -1.2
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4 years ago
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