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Yuri [45]
3 years ago
6

How many potential phone numbers can be created from the last seven digits (XXX – XXXX) if each digit can be any number 0-9?

Mathematics
1 answer:
dem82 [27]3 years ago
7 0

Answer:

10,000,000

Step-by-step explanation:

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What is the slope intercept form of the equation of the line?
beks73 [17]

Answer:

The slope-intercept form of the equation of the line is:

y = 2/3x + 2

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

  • m is the slope
  • b is the y-intercept

Given the points

  • (0, 2)
  • (3, 4)

(x₁, y₁) = (0, 2)

(x₂, y₂) = (3, 4)

Using the formula

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [4 - 2] / [3 - 0]

               = 2 / 3

Thus, the slope of the line = m = 2/3

We know that the value of the y-intercept can be determined by setting x = 0 and determining the corresponding value of y.

From the graph, it is clear

at x = 0, y = 2

Thus, the y-intercept b = 2

now substituting m = 2/3 and b = 2 in the slope-intercept form

y = mx+b

y = 2/3x + 2

Therefore, the slope-intercept form of the equation of the line is:

y = 2/3x + 2

5 0
3 years ago
Hello! Does anybody know what questions to expect for the algebra 1 module 4 dba? I have a dba tomorrow and just want to be as p
Sophie [7]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Consider the equation y = (x + 2)^2 – 3. What is the length of the focal width of the parabola?
likoan [24]

Answer:

The length of the focal width of the parabola is 1.

Step-by-step explanation:

Suppose we have a parabola with the following equation:

(x - h)^2 = 4p(y - k)

The centre is at point (h,k).

The length of the focal width is of |4p|.

In this question:

We want to place in the general format. So

y = (x+2)^2 - 3

(x+2)^2 = 1(y + 3)

Comparing, we have that 4p = 1. So the length of the focal width of the parabola is 1.

6 0
3 years ago
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[(9
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((9-3)+2(3+4))-((5x3)-5+6)
6 + 14 - 14
6
4 0
3 years ago
Help with the CORRECT answer pretty please
lilavasa [31]
The answer would be (3,-1)
7 0
4 years ago
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