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mamaluj [8]
3 years ago
10

Find 1*2+2*3+3*4+...100*101

Mathematics
1 answer:
Rzqust [24]3 years ago
5 0

Answer:

What kind of mathematics is this?

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Explain how to determine if you have a direct variation or proportional relationship
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straight line that passes through the origin

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Two variables are said to have a direct variation or proportional relationship if it can be represented by y = kx, where k is a constant.

Comparing this with the equation of a straight line y = mx + b, where m is the slope of the line and b is the y intercept (value of y when x = 0), We can tell if the say that the graph of a direct variation or proportional relationship is a straight line with no y intercept (b = 0, that is it passes through the origin).

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7.5% = 0.075 (divide by 100)

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The measure of the base of a triangle is represented by 4x+3 and the height is 6x represent the area of the triangle as a polyno
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12x^2+9x

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The formula of the area of a triangle is \frac{bh}{2}. Plugging in the given base and height values, you get \frac{(4x+3)(6x)}{2}=\frac{24x^2+18x}{2}=12x^2+9x. Hope this helps!

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