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riadik2000 [5.3K]
3 years ago
15

What is the distance between point A (-3, 3) and Point B (-2, 7)?

Mathematics
2 answers:
Ivahew [28]3 years ago
7 0
To find the distance between 2 points, you have to use the distance formula: \sqrt{(x_{2}- x_{1})^{2} +( y_{2}- y_{1})^2     }. Fill in your numbers, and you got this: √((-2) - (-3))² + (7 - 3)², which equals about 4.123.

Answer: about 4.123
Archy [21]3 years ago
4 0
4 units. Plot the two point and connect them with a line. You can now make a right triangle. The line you plotted is the hypotonuse. Use the pythagorean theorem to find the distance between A and B is 4 units.
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39 is what percent of 96
ra1l [238]

Answer:

40.625%

Step-by-step explanation:

This is a very simple question.

We have to understand converting word equations to algebraic ones.

"is" means "="

"of" means "*"

So, we can write:

39 = what percent * 96

Now, we let "what percent" be "p" and solve the equation for p:

39 = P * 96

So,

39 = P * 96\\39=96P\\P=\frac{39}{96}\\P=0.40625

Converting this decimal to percentage means multiplying by 100, so we have:

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= 40.625%

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Step-by-step explanation:

1. Shifting cos(x) right or left, top or down, as the graph in the question has the same illustration of  cos(x). Consider

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2. find a and b by using two sample points from the graph: (0, 0) and (\pi, -4)

0 = a.cos(0) + b  => a + b = 0\\ -4 = a.cos(\pi) + b => b-a=-4\\\left \{ {{2b=-4} \atop {2a=4}} \right.\\a = 2, b=-2\\

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Step-by-step explanation:


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