Which set of ratios is equivalent to 4:5?
1 answer:
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That's a nice story. It's mostly true, but the standard form of a line and the form of a line between two points each avoid a direct expression of the slope.
The standard form for a line is
Either both not both <em>a</em> and <em>b</em> may be zero. When <em>b</em> is zero there's no slope, but it's a perfectly good line.
The line through (a,b) and (c,d) is
Again, we have no slope when a=c but a perfectly good equation and line.
Answer:
91
Step-by-step explanation:
the formula for the area of a triangle is<em> bh1/2 =A </em>
b =12 h =7
12 x 7 = 84
84 divided by half (or multiplied by 0.5) = 42
the triangle is 42
and the square is...
7 x 7 =49
49 +42 = 91
91
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