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3 years ago

What is the coefficient of b in the expression b+10? Explain

Mathematics

1 answer:

MariettaO [177]3 years ago

4 0

Hello!

A coefficient is a constant multiplied by a variable. As you can see, b is not being multiplied by a number we can see. The thing is, it still has a coefficient. Isn't 1b the same thing as b? This would mean our coefficient would be 1.

I hope this helps!

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Given h(x) = –2 +5, find h(5).

77julia77 [94]

Answer:

h(5) = 15

Step-by-step explanation:

h(x) = -2 + 5

h(5) = -2(5) + 5(5)

h(5) = -10 + 25

h(5) = 15

3 0

3 years ago

Divide. Plssssss I forgot how

Nikitich [7]

Answer:

1/21

Step-by-step explanation:

=> $\frac{1}{7} / 3$

=> $\frac{1}{7} * \frac{1}{3}$

=> $\frac{1*1}{7*3}$

=> 1/21

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3 years ago

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g100num [7]

The slope of the line representing the linear graph is a rate of 3.2 meters per second.

<h3 /><h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the slope of the line and m is the y intercept.

Let y represent the distance in meters and x represent the time in seconds. Hence:

Using the points (20, 64) and (60, 192)

$Slope = \frac{y_2-y_1}{x_2-x_1} =\frac{192-64}{60-20} =3.2$

The slope of the line representing the linear graph is a rate of 3.2 meters per second.

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5 0

3 years ago

Explain how to determine if the following relation is a function.

solong [7]

Answer:

The given relation is not a function

Step-by-step explanation:

The relation becomes a function if every x-value has only one y-value

A function is a relation in which each input (x) has only one output (y)

<em>To test the graph is a function or not, draw a vertical line intersects the graph in different positions, if the line cuts the graph in just one point in all positions, then the graph represents a function.</em>

<em />

From the given figure

∵ The endpoint of the diameter of the semi-circle are (0, -2), (0, 2)

→ The x-coordinate = 0 has two values of y = -2, 2

∴ At x = 0, y = -2 and 2

∴ Not every x has only one y

∴ The given relation is not a function

<em>If you draw a vertical line intersects the semi-circle in different positions, it will intersect the semi-circle in 2 points, So the graph does not represent a function </em>

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3 years ago

Find the value of X such that the data set has the given mean. 99, 123, 105, 114, 107, X; mean 108

Ulleksa [173]

Answer:

The value of x is 100

Step-by-step explanation:

* Lets revise how to find the missing number of the given Mean

- Add up the numbers you know.

- Set up your equation by adding the sum of the numbers plus “x”

- Divide the sum by the number of numbers given.

- Equate them by the value of the mean

- Solving for "x"

- Check the Answer

* Now lets solve the problem

- The numbers are 99 , 123 , 105 , 114 , 107

- The sum of the numbers = 99 + 123 + 105 + 114 + 107 = 548

- The equation is ⇒ (548 + x)/6 = 108 ⇒ × 6 both sides

∴ 548 + x = 648 ⇒ subtract 548 from both sides

∴ x = 100

* Now lets check the answer

- The mean = (99 + 123 + 105 + 114 + 107 + 100)/6 = 648/6 = 108

∴ The answer x = 100 is correct

* The value of x is 100

8 0

3 years ago

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