4 years ago

What happens in a 90° clockwise/270° counterclockwise. rotation?*

2 answers:

8 0

Answer:

When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.

Alexandra [31]4 years ago

8 0

Answer:

The formula is

P (x,y)---->P' (y, -x)

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How to solve (8.76 x 109)(6.52 x 10-3)/13.27 x 105?

SVEN [57.7K]

Use PEMDAS:
P = parenthesis
E = exponents
M = multiplication
D = division
A = addition
S = subtraction

First, start with the parenthesis:
(8.76 * 109)(6.52 * 10 - 3) / 13.27 * 105
(954.84)*(62.2) / 13.27 * 105

Then do ALL multiplication:
59,391.048 / 1,393.35

Now do all division:
42.62

So, your final answer is 42.62

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Inessa05 [86]

Answer:

203 ; 245

Step-by-step explanation: