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grandymaker [24]
3 years ago
13

Complete the number patterns 1. 1,3,6,10,15,21,__,__ 2. 1,3,7,13,21, __,__

Mathematics
2 answers:
alexdok [17]3 years ago
8 0
28,36 and 31,43 because the first pattern is going by adding one to the rate of change and the other is adding two to the rate of change
sweet-ann [11.9K]3 years ago
5 0
23,26...................
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Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M
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Step-by-step explanation:

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let's subtract the first from the second equation :

x + 2y = 20

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0 y = 5

x + y = 15

x + 5 = 15

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to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

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transforms to

2y = -x + 20

y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

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