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REY [17]
3 years ago
12

The algebra teacher said if you square my age then subtract 23 times my age, the result is 50. How old is he?

Mathematics
2 answers:
viva [34]3 years ago
8 0

Answer:

25

Step-by-step explanation:

Mrrafil [7]3 years ago
8 0

Answer:

She is 25

Step-by-step explanation:

25^2 = 625

23*25 = 575

625 - 575 = 50

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if a lady chargers $2.00 for gas and $3.00 per 1/2 hour of work . What is the amount of money she makes in 4 hours ?
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Answer:

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Step-by-step explanation:

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Hunter-Best [27]

Answer:

The correct option is;

B) -6

Step-by-step explanation:

The given parameters are;

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From the given graph of g(x), we have;

The vertex point of g(x) = (-1, 8)

The line of symmetry is the line x = -1

The image of the reflection of (x, y) over the y-axis is (-x, y)

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The line of symmetry of the image of g(x) following a reflection over the x-axis is the line x = 1

The line (axis) of symmetry of a quadratic function is the line x = -b/(2·a), which is a line that always go through the vertex of the parabola

Where;

a = The coefficient of x²

b = The coefficient of 'x'

For f(x) = 3·x² + b·x + c, a = 3, and b = b

Given that f(x) and the image of g(x) have the same line of symmetry, we have;

The line of symmetry of f(x) is x = 1

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x = -b/(2·a)

x = 1

By substitution, we have;

1 =  -b/(2·a)

∴ -2·a = b

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3 years ago
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Step-by-step explanation:

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