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uysha [10]
3 years ago
8

Need help please?????

Mathematics
1 answer:
Fantom [35]3 years ago
7 0
Its C, sorry for the kinda late answer
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Could someone please help me with this ! <br><br> And also show work
makvit [3.9K]

Answer: C. K= 2.5

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago
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Simplify using the division rule<br> 14,252<br> Trs
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Answer:

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Step-by-step explanation:

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canceling out 7 as it appears on both sides of the fraction line

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Aleks04 [339]
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3 years ago
(x2 - 2)(-5x2 + x) = (x2)(-5x²)+(x2)(x)+(-2)(-5x2) + (-2)(x) is an example of:
KatRina [158]

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FOIL

Step-by-step explanation:

4 0
3 years ago
The first angle of a triangle is 4 times the number of degrees in the second angle. The third angle of the triangle is 12 degree
xenn [34]

Answer:

1st angle: 128°

2nd angle: 32°

3rd angle: 20°

Step-by-step explanation:

You can start by setting up an equation. 180=x+4x+x-12. It sould all add up to 180 because angles of a triangle always add up to 180, and x represents the second triangle (you use the second angle as x because the other two angles elaborate off of this second angle).  Then you solve. Add 12 to 180 and get 192. Then you can add like terms and make it 192=6x (you add the x's together). Lastly divide 192 by 6 and get 32. So the measurement of angle 2 is 32°. Then you multiply 32 by 4 to get the 1st angle measure, being 128. Lastly subtract 12 from 32 and get 20 for angle three. To check you work add the three angle measures you got and see if they =180, if so then you are correct.

5 0
2 years ago
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