Neal3Maring Neal3Maring

05-07-2016
Mathematics

contestada

The image of a point after a –90° rotation about the origin is (–4, 7). What are the coordinates of the preimage?.

Respuesta :

andriansp andriansp

11-07-2016

The coordinated of the preimage would be :

x = x cos θ + y sin θ

y = x sin θ + y cos θ

where

x = -4
y = 7
θ = -90

hope this helps

Answer Link

Otras preguntas

These are the questions

tell me three x, y ordered pairs that are a solution for this equation y=4x-2

Can someone please help me with questions 5 and 6 I promise to mark brainlest!!! Thank you!

What is the correlation between salaries and computer skills? * ANSWER FAST *

Which of the following represents the initial reason why NATO was formed? (5 points) To provide for the mutual defense of any member nation against an attack by

What is the definition of physical science?

Colleen is making a fence for her vegetable garden. Her flower garden is 7 feet long and 2 feet wide. She plans to make her vegetable garden the same length, bu

There are 24 muffins in a bakery.If 3/8 of the muffins are blueberry,how many muffins are blueberry?

Write the limit as a definite integral on the interval [a, b], where ci is any point in the ith subinterval. limit interval lim ||δ|| → 0 n 5 ci4 i = 1 δxi [5,

Which information is not necessary to solve this story problem? Mindy had $90 to spend on fruit. She bought 12 apples and 8 melons on Monday. On Wednesday, she

Q&A Education