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3 years ago

What is the distance between points H(20, –4), I(-4,3)

Mathematics

1 answer:

Mashcka [7]3 years ago

5 0

Answer:

3446

Step-by-step explanation:

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A) (x,y)->(4x,4y) because the x and y values are multiplied by 4 when dilated. Ex. U(-1,1) was dilated to U’(-4,4). -1 was multiplied by 4 to get -4 for the x value and 1 was multiplied by 4 to get 4 for the y value.

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4 years ago

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Ksju [112]

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3 years ago

Eric worked 13 hours last week at the library and earned $91.00. If he continues at the same hourly pay, how many more hours mus

skelet666 [1.2K]

19 hours

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3 years ago

<img src="https://tex.z-dn.net/?f=205%2C000%3D.07x%2B50.5" id="TexFormula1" title="205,000=.07x+50.5" alt="205,000=.07x+50.5" al

Maksim231197 [3]

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3 years ago

10x - 5y = -25<br> l0x+8y=14

balandron [24]

Greetings,

<em>I hope you and your family are staying safe and healthy! </em>

Answer: x = -1 and y = 3

Step-by-step explanation:

$10x - 5y = -25 \\10x + 8y = 14$

Let's start by solving $10x - 5y = -25$ for $x$

$10x - 5y=-25$

Add 5y to both sides

$10x - 5y + 5y = -25+5y \\10x = 5y - 25$

Now we need to divide both sides by 10

$\frac{10x}{10} = \frac{5y-25}{10}$

$x = \frac{1}{2} y + \frac{-5}{2}$

That's not the answer for x. We are not done yet :)

Now we need to substitute $\frac{1}{2} y + \frac{-5}{2}$ for $x$

$10x + 8y = 14\\10(\frac{1}{2} y + \frac{-5}{2} + 8y = 14$

Now we need to simply both sides

$13y - 25 = 14$

Now we need to add 25 to both sides

$13y - 25 + 25 = 14 + 25 \\13y = 39 \\y = \frac{39}{13} \\y=3$

We have the valuee for y! Now we need to find the value for x

To find the value of x, we need to substitute 3 for y in:

$x = \frac{1}{2} y + \frac{-5}{2} \\x = \frac{1}{2} 3 + \frac{-5}{} \\x = -1$

Therefore,

The answer is x = -1 and y = 3

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3 0

3 years ago

What is the distance between points H(20, –4), I(-4,3)​

What is the distance between points H(20, –4), I(-4,3)