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Gennadij [26K]
3 years ago
9

Under a dilation centered at the origin, the vertex, (−2, 4), of a polygon is moved to the point (4, −8) . What is the scale fac

tor of the dilation?
Mathematics
1 answer:
Rudik [331]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

I took the quiz.

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Y is directly proportional to the square of x.
RUDIKE [14]

Answer:

The value of y is 847 for x=11

Step-by-step explanation:

It is given that y is directly proportional to the square of x

This can be written mathematically as:

y \propto  x^2

Removing the proportionality symbol introduces a proportionality constant in the equation which is denoted by k

y = kx^2

Given that "When x is 5, y is 175"

175 = k (5)^2\\175 = k*25\\k = \frac{175}{25}\\k = 7

Putting the value of k

y = 7x^2

Now putting x = 11

y = 7(11)^2\\y = 7 * 121\\y = 847

Hence,

The value of y is 847 for x=11

5 0
3 years ago
35 POINTS
dmitriy555 [2]
If the lines are parallel, they have no solutions because they never touch
3 0
3 years ago
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Find the slope given the two points. (2, -6) and (2, 3)
kifflom [539]

Answer: Undefined

The x coordinates are the same, so a vertical line forms. All vertical lines have undefined slopes.

We can see it through the slope formula

m = (y2-y1)/(x2-x1)

m = (3-(-6))/(2-2)

m = (3+6)/(2-2)

m = 9/0

We cannot divide by zero, so the result is undefined.

5 0
3 years ago
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Select the correct answer.
vovangra [49]

Answer:

B

Step-by-step explanation:

think of the ratios as equivalent fractions. 2 over 14 is NOT equal to 3 over 42.

6 0
3 years ago
Um prêmio está avaliado em 75% de R$ 50.000,00. Qual valor será dado ao premiado?
fredd [130]

Answer:

I don't know the answer to this question

7 0
3 years ago
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