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Tanzania [10]
3 years ago
13

What is a the positive solution of x^2 - 36 =5x​

Mathematics
1 answer:
Minchanka [31]3 years ago
3 0

Answer:

<h2>x = 9</h2>

Step-by-step explanation:

x^2-36=5x\qquad\text{subtract}\ 5x\ \text{from bot sides}\\\\x^2-5x-36=0\\\\x^2+4x-9x-36=0\qquad\text{distribute}\\\\x(x+4)-9(x+4)=0\\\\(x+4)(x-9)=0\iff x+4=0\ \vee\ x-9=0\\\\x+4=0\qquad\text{subtract 4 from both sides}\\\\x=-40

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If a point is inside a circle, the distance from the center of the circle to that point ____.
Alenkasestr [34]

Answer:

A. is less than the radius.

Step-by-step explanation:

5 0
3 years ago
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16 of the 28 dogs at the shelter are purebred. What percent of the dogs are purebred? Round to a whole number
MArishka [77]

Answer:

57.14%

Step-by-step explanation:

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3 0
3 years ago
Help me please ( i’ll give 20 points for this )
valkas [14]

Answer:

108

Step-by-step explanation:

add 90+68+94, which will give you 252. subtract that from 360 because it‘s a quadrilateral and you will get 108 :)

8 0
3 years ago
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3(2x+1)-2(x+1) is the same as
Dahasolnce [82]

Answer:

4x + 1 and 6x - 2x - 2 + 3

Step-by-step explanation:

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5 0
1 year ago
How o I get the awnser to 9s+3=57 I need help asap im in 8th grade
PIT_PIT [208]
First subtract 3 from both sides of the equal sign. 
9s + 3 = 57
      - 3     -3
9s = 54

Then divide both sides by 9.
9s = 54
/9     /9
s = 6

You can check it by plugging it back into the equation.
9s + 3 = 57
9 * 6  + 3= 57
54 + 3 = 37
57 = 57
Yep! It's correct! :)

Hope that helped. Algebra can be tricky sometimes I know but it's really just balancing equations. 
3 0
3 years ago
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