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Readme [11.4K]
3 years ago
11

Pls help being timed

Mathematics
2 answers:
grandymaker [24]3 years ago
6 0

-7+(9)=2

you can do the opposite of what is given (9-7)

svetoff [14.1K]3 years ago
4 0
D is your answer. Qwertyuiopasdfghjklzxcvbnm
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If x+y/y =13, what is the value of y/x?
Montano1993 [528]
\dfrac{x+y}{y}=13\\\\\dfrac{x}{y}+\dfrac{y}{y}=13\\\\\dfrac{x}{y}+1=13\ \ \ |-1\\\\\dfrac{x}{y}=12\to\dfrac{y}{x}=\dfrac{1}{12}
4 0
3 years ago
Read 2 more answers
Solve |2x|=8<br> Tell me how you got the answer pls
lilavasa [31]

Answer:

4

Step-by-step explanation:

2 x 4 = 8

Absolute value means no symbols so it would just be 2 x something equals 8 which is 4.

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=Factor%3A%20x%5E2-9" id="TexFormula1" title="Factor: x^2-9" alt="Factor: x^2-9" align="absmidd
Bezzdna [24]

Answer:

x²-9=x²-3²=(x+3)(x-3)

Step-by-step explanation:

use formula

a²-b²=(a+b)(a-b)

7 0
2 years ago
Are these lines parallel, perpendicular, or neither? 3y=x+4 and 3x+y=1
REY [17]

Answer:

perpendicular

Step-by-step explanation:

3y = x + 4 in slope intercept form y = 1/3x +4/3

3x + y = 1 in slope intercept form y = -3x +1

the slopes are negative reciprocals of each other so they are perpendicular

5 0
2 years ago
Read 2 more answers
Find the missing side of the right triangle
o-na [289]

Answer:

<h2>1</h2>

Step-by-step explanation:

Use the Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have

leg=3,\ leg=x,\ hypotenuse=\sqrt{10}

Substitute:

3^2+x^2=(\sqrt{10})^2

9+x^2=10             <em>subtract 9 from both sides</em>

9-9+x^2=10-9

x^2=1\to x=\sqrt1\\\\x=1

7 0
3 years ago
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