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2 years ago

What is the image of (-5,-6) after a reflection over the line y=−x?

Mathematics

1 answer:

Nuetrik [128]2 years ago

7 0

Answer:

The image will be the point (6,5)

Step-by-step explanation:

Here, we want to get the image of the point (-5,-6) after the reflection

Mathematically if we reflected a point with the pre-image coordinates (x,y) over the line y = -x; its image becomes (-y, -x)

So, (-5,-6) becomes (6,5)

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Y=4x+3 <br>x+y=-2<br>help me solve this system with any method

OverLord2011 [107]

Answer:

Step-by-step explanation:

I will use substitution

We will substitute the answer for y into the bottom equation

x+(4x+3)=-2

5x+3=-2

5x=-5

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Now solve for y

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Write as an ordered pair

(-1.-1)

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3 years ago

Solve x/5 - 1=7? help please !!

xxTIMURxx [149]

First, add 1 on both sides of the equation to begin to isolate x

x/5 = 8

Now, to isolate x, multiply both sides of the equation by 5/1

$\frac{x}{5}$ · $\frac{5}{1}$ = $\frac{5x}{5}$ = x

x= 7 · 5/1 = 7 · 5 = 35

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Step-by-step explanation:

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2 years ago

Maya bought a new iphone case for $40. Now, it is on sale for $25. Find the percent of change in the

bulgar [2K]

Answer:

Step 1: $15

Step 2: 38%

Step-by-step explanation:

Step 1:

40 - 25 =15.

Therefore, the price would decrease by $15.

Step 2:

40 multiplied by .38 equals 24.80. You would round that up to 25. If you plugged in 37%, it would equal 25.20, which is over the price. Therefore the price decreased by 38%.

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3 years ago