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3 years ago

9

Heng tried to define a reflection across line r.

1 answer:

Maurinko [17]3 years ago

5 0

Answer:

Any point N on line r maps to itself.

Step-by-step explanation:

Reflection is one of the examples of solid transformation in which a given point, segment, or figure is flipped over a reference point or line to produce its image. The distance of the object to the reference point or line is the same as the distance of its image to the point or line. And both have the same size, but different orientation.

The option that does not fully define a reflection is; any point N on line r maps to itself, because no image of point N is produced after the operation.

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Giving brainliest pls answer

olga2289 [7]

The formula for finding the area of a cone is pi times the radius squared times the height/3. Since we already have the base area, all we need to do is find the height over 3. The height is 6, so 6/3=2. Then 4 pi times 2=8 pi.

The answer is 8pi.

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If f(x) = 4x + 3 and g(x) = 3x, evaluate for X = -1/2

miskamm [114]

Answer:

$f(-\frac{1}{2}) = 1$

$g(-\frac{1}{2} ) = -\frac{3}{2}$

Step-by-step explanation:

Given the function $f(x) = 4x + 3$ and the function $g(x) = 3x$ , to evaluate for $x=-\frac{1}{2}$ , you need to substitute it into each function.

Then, for the function f(x), when $x=-\frac{1}{2}$ , you get:

$f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3$

$f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3$

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$f(-\frac{1}{2}) = -2 + 3$

$f(-\frac{1}{2}) = 1$

For the function g(x), when $x=-\frac{1}{2}$ , you get:

$g(-\frac{1}{2} ) = 3(-\frac{1}{2})$

$g(-\frac{1}{2} ) = -\frac{3}{2}$

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3 years ago

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vesna_86 [32]

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3 years ago

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You are a contractor and charge $90 for a site visit plus an additional $24 per hour for each hour you spend working at the site

ArbitrLikvidat [17]

Answer:

x=29.66hrs

Step-by-step explanation:

Firstly, we can model the equation for the total cost as

Let y be the total cost

Let x be the number of hours

Y=98+24x

Also, given that you have earned $810

We can substitute Y=810 and solve for x

810=98+24x

810-98=24x

712=24x

Dividing both sides by 24

712/24=x

x=29.66hrs

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3 years ago

Yuma is solving the inequality 3x−23≥−5.

Mademuasel [1]

$3x \geqslant 23 - 5 \\ 3x \geqslant 18 \\ x \geqslant 6 \\$

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4 years ago

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