2 years ago

Choose the letter of the correct answer

Mathematics

1 answer:

Sati [7]2 years ago

3 0

B. Reflexive property

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there are 15 cards numbered 1 through 15 . What is the probability that you choose a 5 or a 9? THANK YOU!!

Katarina [22]

2/15 since there are two cards out of 15

Hope this helped:)

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3 years ago

What is the squair root of 9/49

adelina 88 [10]

Answer:

3/7

Step-by-step explanation:

To find the square root of a fraction, find the square root of the numerator and denominator individually

So, √9 = 3

√49 = 7

Put them back as a fraction = 3/7

Hope this helps

Please mark brainiest

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2 years ago

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A reflection ____ transforms a line segment into a line segment of the same length

irina1246 [14]

I hope this helps!!!!!!!!

8 0

2 years ago

1/b+x=3b/2x^2 - 1/x<br>btw ^2 means square<br><br>

AlekseyPX

Answer:

$x = \frac{ - 3b}{4} \: or \: b$

Step-by-step explanation:

$\frac{1}{b + x} = \frac{3b}{2 {x}^{2} } - \frac{1}{x}$

$= > \frac{1}{b + x} = \frac{3b - 2x}{2 {x}^{2} }$

$= > 2 {x}^{2} = (b + x)(3b - 2x)$

$= > 2 {x}^{2} = 3 {b}^{2} - 2bx + 3bx - 2 {x}^{2}$

$= > 2 {b}^{2} = 3 {b}^{2} + bx - 2 {x}^{2}$

$= > 3 {b}^{2} + bx - 4 {x}^{2} = 0$

$= > 3 {b}^{2} + 4bx - 3bx - 4 {x}^{2} = 0$

$= > b(3b + 4x) - x(3b + 4x) = 0$

$= > (3b + 4x)(b - x) = 0$

Hence,

$x = \frac{ - 3b}{4} \: or \: b$

8 0

3 years ago

Given a∥b , and c is not parallel to a or b, which statements must be true?

Lana71 [14]

because A & B are parallel

3=7 and 1=8 are true

the first 2 are the only ones that are true

7 0

3 years ago

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