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Artemon [7]
3 years ago
5

Find the reciprocal or multiplicative inverse of 0.1

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0
To find the inverse whatever is your x you would divide one for example if the reciprocal of 5 is one fifth ( 1/5 or 0.2) so for this the answer is 10 because you would divide 1/0.1 it equal 10
Marina CMI [18]3 years ago
3 0
10/1 or 10 is the answer bbbbbbbbb bbbb
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Given the following three points, find by hand the quadratic function they represent.
RideAnS [48]

Answer:

The equation is;

f(x) = -2·x² + 5·x - 1

Step-by-step explanation:

The general form of a quadratic equation  or function f(x) is, f(x) = y = a·x² + b·x + c

Given that the points representing the quadratic function are;

(-1, -8), (0, -1), (1, 2) which  are of the form (x, y)

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When x = 0, y = -1, we have;

-1 = a·(0)² + b·(0) + c = c

c = -1.......................................(2)

When x = 1, y = 2, which gives;

2 = a·(1)² + b·(1) + c = a + b + c

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Adding equation (1) to equation (3), we have;

-8 + 2 = a - b + c + a + b + c

-8 + 2 = 2·a + 2·c

From equation (2) c = -1, we get;

-8 + 2 = -6 = 2·a + 2·c = 2·a + 2 × (-1)

-6 = 2·a - 2

-4 = 2·a

a = -2

From equation (3), we have

2 = a + b + c

Substituting the values of a, and c gives;

2 = -2 + b - 1

b = 2 + 2 + 1 = 5

b = 5

The equation is therefore;

f(x) = -2·x² + 5·x - 1.

3 0
3 years ago
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