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Alex
3 years ago
11

Which number(s) from the set (0 to 10) if any, will solve this equation.

Mathematics
1 answer:
Xelga [282]3 years ago
7 0

You solve this through error and trial.

The is to get two matching numbers at both sides.

<u>X 2x + 3 = 3 (x + 1) - x </u><u> </u><u> </u><u> </u><u>Answer</u>

0 2(0) + 3 = 3 (0 + 1) - 0 3 = 3

1 2(1) + 3 = 3 (1 + 1) - 1 5 = 5

You do this all the way to ten. So far, we know x = 0 and x = 1 is correct

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I NEED HELP PLEASE! :)
Andrej [43]

Answer:

Perpendicular

Step-by-step explanation:

To tell if the lines are perpendicular/parallel, you must look at the slope, but in this case, you must first get y by itself, like so:

3x + 7y = 15

-3x           - 3x

___________

7y = -3x + 15

<em><u>Divide both sides by 7:</u></em>

y = \frac{-3}{7}x + \frac{15}{7}

<em><u>Now the other equation:</u></em>

7x - 3y = 6

-7x         -7x

_________

-3y = -7x + 6

<em><u>Divide both sides by -3:</u></em>

y = \frac{7}{3} x - 2

You can see that the lines are perpendicular because the slopes (\frac{-3}{7} x and \frac{7}{3}) are opposite reciprocals.

5 0
4 years ago
12. What is the sum of angles aº+bº?
BigorU [14]

Answer:

240

Step-by-step explanation:

360-(60+60) = 240

3 0
4 years ago
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Please help, I am literally freaking out.
Anon25 [30]

Y1-y2 over x1- x2 you should be able to figure it out after this formula

8 0
3 years ago
Show all your work?<br><br><br>and please help me out ASAP!!​
RUDIKE [14]
I dont see a problem to solve
7 0
3 years ago
A pan has an original price of $32 but is marked down by 15%. which equation shows the new price of the pan
n200080 [17]
Don't really need an equation for this 
0.15 is 15% 
first 0.15 x 32 / 100 = 4.8

32 - 4.8  = 27.2  is the new price of the pan 
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