Answer:
Slope (m) =
Step-by-step explanation:
X = 4 – 1 = 3
Y = 4 – 2 = 2
Equation of the line:
y = 0.66666666666667x + 1.3333333333333
or
When x=0, y = 1.3333333333333
When y=0, x = -2
How to work out a magic square
1 answer:
Do you just need the 3 by 3? Then see attached.
To see how to make other ODD magic squares 1728.com/magicsq1.htm
To see how to make EVEN (divisible by 4) magic squares 1728.com/magicsq2.htm
To see how to make EVEN magic squares (NOT divisible by 4) 1728.com/magicsq3.htm
I think that should answer yor question.
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Answer:
75cm^2
Step-by-step explanation:
Check attachment
<u>Note: this answer assumes the equation of the line can be put in slope-intercept form. </u>
Answer:
Step-by-step explanation:
1) First, find the slope of y + 7 = -2 (x - 6). We can see that it's already in point-slope form, or format. Remember that the number in place of the
is the slope. Therefore, -2 is the slope of that equation.
What we need is the slope that is perpendicular to that, though. So, find the opposite reciprocal of -2. To do this, change its sign, convert it into a fraction (), and flip its numerators and denominators. Therefore, the perpendicular slope would be
.
2) Now that we have a slope and a point the line passes through, we can write an equation using the point-slope formula, . In order to write an equation, the
,
, and
have to be substitute for with real values.
The represents the slope. We already calculated that in the last step, so put
in place of the
. The
and
represent the x and y values of a point the line passes through. We know that the line has to pass through (6, -3), so substitute 6 for
and -3 for
:
Therefore, (again, assuming that the line can be put in point-slope form) the answer is .