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1 year ago

What does this symbol mean in math ≈ ?

Mathematics

2 answers:

sergey [27]1 year ago

7 0

It means approximately equal to.

weeeeeb [17]1 year ago

6 0

Approximately equal to symbol
And it’s mostly used in terms of numerical approximations

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Which factoring method would be best to factor x^2 - 9?

Vinil7 [7]

Answer:

D. difference of squares

Step-by-step explanation:

Both of the terms x^2 and 9 are squares, so their difference is the difference of squares. The factorization of that is a "special form" that can be usefully memorized.

a^2 -b^2 = (a -b)(a +b)

x^2 -9 = (x -3)(x +3)

8 0

2 years ago

X-intercept and y-intercepts og y=x^2-3

Rufina [12.5K]

Answer:

Part 1) The y-intercept is the point $(0,-3)$

Part 2) The x-intercepts are the points $(-\sqrt{3},0)\ and\ (\sqrt{3},0)$

Step-by-step explanation:

we have

$y=x^{2}-3$

This is a vertical parabola open upward

step 1

Find the y-intercept

we know that

The y-intercept is the value of y when the value of x is equal to zero

For x=0

$y=(0)^{2}-3$

$y=-3$

The y-intercept is the point (0,-3)

step 2

Find the x-intercepts

we know that

The x-intercept is the value of x when the value of y is equal to zero

For y=0

$x^{2}-3=0$

solve for x

Adds 3 both sides

$x^{2}-3+3=0+3$

$x^{2}=3$

take square root both sides

$x=(+/-)\sqrt{3}$

The x-intercepts are the points $(-\sqrt{3},0)\ and\ (\sqrt{3},0)$

3 0

2 years ago

What is 26,576.96 rounded to the nearest hundredth?

Alex Ar [27]

Answer:

26,577

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Which decimal number is represented by the shaded portion of the model?

ioda

Answer:

0.9 or .9

Step-by-step explanation:

9 out 10 are shaded

In percentage, 90%

In fraction 9/10

4 0

2 years ago

Read 2 more answers

1. After a workout class, Lenia's heart rate

andreev551 [17]

Answer:

102

Step-by-step explanation:

17 beats * 6 minutes = 102

7 0

2 years ago