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Tema [17]
2 years ago
8

What is the distance ab rounded to the nearest tenth when a=(-1,2) and b=(1,-2). ​

Mathematics
1 answer:
Tom [10]2 years ago
7 0

Answer:

it gives you the formula, so all you have to do is plug in the coordinates

Step-by-step explanation:

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Volume of a triangular prism
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The formula is the area of the base times the height.<span>

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3 years ago
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What is the relationship between a rotation and a reflection? Sketch a diagram that supports your explanation.
SSSSS [86.1K]

Answer with Step-by-step explanation:

Relationship between rotation and reflection:

In reflection, the pre-image gets flips across the same line.

whereas in rotation, the pre-image get spin around a point.

Rotations can be represented as two reflections i.e. the composition of reflections over two intersecting lines is always equal to rotation of that object.

In rotation, the object will get turned, this is turning some degree either clockwise or anti-clockwise.

Hence, rotation requires spinning and reflection requires flipping.

6 0
3 years ago
Find the expansion of cos x about the point x=0
ycow [4]

Answer:

Cos x = 1 - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{1!} + ...

Step-by-step explanation:

We use Taylor series expansion to answer this question.

We have to find the expansion of cos x at x = 0

f(x) = cos x, f'(x) = -sin x, f''(x) = -cos x, f'''(x) = sin x, f''''(x) = cos x

Now we evaluate them at x = 0.

f(0) = 1, f'(0) = 0, f''(0) = -1, f'''(0) = 0, f''''(0) = 1

Now, by Taylor series expansion we have

f(x) = f(a) + f'(a)(x-a) + \frac{f''(a)(x-a)^2}{2!} + \frac{f'''(a)(x-a)^3}{3!} + \frac{f''''(a)(x-a)^4}{4!} + ...

Putting a = 0 and all the values from above in the expansion, we get,

Cos x = 1 - \frac{x^2}{2!} + \frac{x^4}{4!} - \frac{x^6}{1!} + ...

8 0
3 years ago
Which is a correct definition of perpendicular lines?
djyliett [7]
It would be B: a set of points that extends infinitely in two directions
4 0
2 years ago
Bob the wizard makes magical brooms . He charges 125 gold pieces for each magical broom he makes for his customers. He also char
ivann1987 [24]
Answer: f(x)=125g+50

Explanation: He is charging $125 for each gold piece so you would multiply “g” and 125.
You would add 50 as a one time fee so you add 50.
7 0
3 years ago
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