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3 years ago

Whats a linear model?

Mathematics

2 answers:

Olenka [21]3 years ago

7 0

Answer:

A linear model is an equation that describes a relationship between two quantities that show a constant rate of change.

creativ13 [48]3 years ago

4 0

Answer: A linear model is an equation that represents a relationship between two quantities at a constant rate of change.

A linear line can be represented by the equation: y=mx+b. This is also known as the linear equation.

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Given that (2,8) is on the graph of f(x),find the corresponding point for the function -3/4 f(x)

yuradex [85]

Answer:

Corresponding point to (2,8) along -3/4 f(x) = ( -1.5 , -6 )

Explanation:

When a graph f(x) is multiplied by a factor k, the points on the graph also changes by (kx, ky).

Here it is given that (2,8) is on the graph of f(x)

Now we need to find corresponding point to (2,8) along -3/4 f(x)

x - coordinate = $\frac{-3*2}{4} =-1.5$

y - coordinate = $\frac{-3*8}{4} =-6$

So corresponding point to (2,8) along -3/4 f(x) = ( -1.5 , -6 )

8 0

3 years ago

Given: sin(18m-12)=cos(7m+2), find the value of m.

V125BC [204]

Answer:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

Step-by-step explanation:

Solve for m:

-cos(7 m + 2) sin(12 - 18 m) = 0

Multiply both sides by -1:

cos(7 m + 2) sin(12 - 18 m) = 0

Split into two equations:

cos(7 m + 2) = 0 or sin(12 - 18 m) = 0

Take the inverse cosine of both sides:

7 m + 2 = π n_1 + π/2 for n_1 element Z

or sin(12 - 18 m) = 0

Subtract 2 from both sides:

7 m = -2 + π/2 + π n_1 for n_1 element Z

or sin(12 - 18 m) = 0

Divide both sides by 7:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or sin(12 - 18 m) = 0

Take the inverse sine of both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or 12 - 18 m = π n_2 for n_2 element Z

Subtract 12 from both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or -18 m = π n_2 - 12 for n_2 element Z

Divide both sides by -18:

Answer: m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

3 0

3 years ago

Suppose you just received a shipment of ten televisions. two of the televisions are defective. if two televisions are randomly

amid [387]

Try this solution:

1. for probability of both televisions work:

$P_{2w}=\frac{C^2_8}{C^2_{10}}=\frac{7*8}{9*10}=0.6(2)$

2. for probability of at least on is defective (it means, the sum = one is defective and two are defective):

$P_{1d}=\frac{C^1_2C^1_8}{C^2_{10}}=\frac{4*8}{9*10}=0.3(5)$ - for P(1defective);

$P_{2d}=\frac{C^2_2}{C^2_{10}}=\frac{2}{9*10}=0.0(2)$ - for P(2defective);

totaly for at least one is defective:

$P_{at \ least \ 1 \ d}=P_{1d}+P_{2d}=\frac{16}{45} +\frac{1}{45} =0.3(7)$

5 0

3 years ago

Which characteristic best describes the data in the scatterplot?

denis23 [38]

Answer:

A. Negative association

Step-by-step explanation:

The points are going down.

7 0

3 years ago

Read 2 more answers

**Niaja’s cell phone company charges her $4.00 for every 48 text messages. How many text messages can Niaja send per dollar if s

kari74 [83]

B) 12 texts per dollar

48/4 = 12

4 0

3 years ago

Read 2 more answers