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Molodets [167]
2 years ago
6

Solve x2 + 14x = -40 by completing the square.

Mathematics
1 answer:
zalisa [80]2 years ago
6 0

Answer: C x=-4 and -10

Step-by-step explanation:

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3 years ago
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Find the equation of the straight line that passes through the points (1, 10) and (3, 2)
slava [35]

Answer:

y = -4x+14

Step-by-step explanation:

First find the slope

m = (y2-y1)/(x2-x1)

m = (2-10)/(3-1)

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  = -4

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

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Substitute a point into the equation

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8 0
3 years ago
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Please help with this thank you
cluponka [151]
The answer to the question

8 0
3 years ago
Answers: <br> a) 74<br> b) 108<br> c)49<br> d)51
lisabon 2012 [21]

Answer:

51

Step-by-step explanation:

sum of exterior angles = 360

64  + 60 + 69 + 42 + x + x +23 = 360

2x + 258 = 360

2x = 360 - 258

2x = 102

x = 51

5 0
3 years ago
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