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crimeas [40]
3 years ago
9

Can someone please help!

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0

Answer:

(x, y ) → (- y, - x )

Step-by-step explanation:

Consider the coordinates of corresponding vertices of the 2 triangles, that is

A(1, 7 ) → D(- 7, - 1 )

Note the coordinates of D are the negative reversals of A

Thus (x, y ) → (- y, - x )

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When x=-2, the value of y is
ludmilkaskok [199]

Answer:

emaybe

Step-by-step explanation:

e hopeA train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours? *A train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours? *A train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours? *A train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours? *

5 0
3 years ago
please help me to solve this equation i tried to look it up on multiple websites but they only confused me 9/4-1/(2x)=4/x
Tcecarenko [31]
Solve for x
so assuming that the fractions are
(9/4)-(1/*2x))=4/x then
get all x on one side
add 1/(2x) to both sides
9/4=(4/x)+(1/(2x))
make common denomators with x and 2x
common denomenator is 2x
4/x times 2/2=8/(2x)
9/4=8/(2x)+1/(2x)
add
9/4=9/(2x)
make common denomators with 4 and 2x
common denomator is 4x
9/4 times x/x=9x/(4x)
9/(2x) times 2/2=18/(4x)
9x/(4x)=18/(4x)
multiply both sides by 4x to clear fraction
9x=18
divide both sides by 9
x=2
4 0
3 years ago
Please simplify, 50 points.<br><br> (sin Θ - cos Θ) - (sin Θ + cos Θ)^2
Amanda [17]

Answer:

 

Using x for Θ:  

(sinx - cosx)^2 - (sinx + cosx)^2  

= (sin^2 x - 2sinxcosx + cos^2 x) - (sin^2 x + 2sinxcosx + cos^2 x)  

= - 2 sinx cosx - 2 sinx cosx  

= - 4 sinx cosx  

= - 2sin(2x)  

Step-by-step explanation:

8 0
3 years ago
PLZ HELP!!
valentina_108 [34]

1. The product of 58.25(4) means Lenard will have an additional $233 saved 4 weeks from now.

2. The product of 58.25(–3) means Lenard had $174.75 less 3 weeks ago.

The concept of saving $58.25 per week was adopted by Lenard.

On this note, after every week, Lenard will have $58.25 more than she had the previous week.

In essence, every week from now adds up $58.25 to Lenard's balance and every week ago takes off $58.25 from his current balance.

Read more on products:

brainly.com/question/10873737

3 0
2 years ago
Read 2 more answers
The line segment EF has a midpoint with coordinates M (-2,2). Use the formula to find the coordinates of the other endpoint give
Makovka662 [10]

Answer:

The answer to your question is:   F = (-6, -4)

Step-by-step explanation:

Segment = EF

mpM = (-2, 2)

first point = E = (2, 8)

second point = F = (x, y)

Formula

      Xmp = (x1 + x2) / 2                         Ymp = (y1 + y2) / 2

      x2 = 2xmp - x1                                y2 = 2ymp - y1

Process

     x2 = 2(-2) - 2                                   y2 = 2(2) - 8

     x2 = -4 - 2                                       y2 = 4 - 8

     x2 = -6                                            y2 = -4

                     F = (-6, -4)

8 0
3 years ago
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