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2 years ago

Graph the image of this figure after a dilation with a scale factor of 2 centered at the origin.

Mathematics

1 answer:

pshichka [43]2 years ago

3 0

Answer:

(2,4), (6,4), (2,-2), (6,-2)

Step-by-step explanation:

To dilate a figure multiply 2(x,y)

2(1,2) = (2,4)

2(3,2) = (6,4)

2(1,-1) = (2,-2)

2(3,-1) = (6,-2)

Hope this helps! Ξ

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2 years ago

(a) Find an angle between 0 and 2π that is coterminal with −19π10.

Katarina [22]

Answer:

$\dfrac{\pi}{10}$ .

Step-by-step explanation:

All coterminal angles of an angle $\theta$ are defined as

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So, all coterminal angles of an angle $\theta$ are

$-\dfrac{19\pi}{10}+2n\pi$

For n=1,

$\Rightarrow -\dfrac{19\pi}{10}+2(1)\pi$

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2 years ago

Cole has already taken 7 quizzes during past quarters, and he expects to have 1 quiz during each week of this quarter. Write an

san4es73 [151]

Answer:

y = x + 7

Step-by-step explanation:

x = number of weeks

y = the total number of quizzes y.

Cole has already taken 7 quizzes = + 7

he expects to have 1 quiz during each week of this quarter = 1x

y = 1x + 7

y = x + 7

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3 years ago

Tony’s Electronics is marking down the price of a TV 23% from the original price of $175. Which expression can be used to find t

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Answer:

The sale price is $\$134.75$

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Step-by-step explanation:

we know that

The sale price is equal to subtract the discount price from the original price

The discount price is equal to multiply the original price by the percent discount in decimal form

Let

x ----> the sale price

y ---> discount price

$23\%=23/100=0.23$ ----> percent discount in decimal form

$y=\$175(0.23)=\$40.25$

$x=\$175-y$

substitute

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therefore

the expression is

$175-0.23(175)\\175(1-0.23)\\175(0.77)$

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2 years ago

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