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nikitadnepr [17]

3 years ago

10

Travis performs a dilation of 1/3 on a polygon. He then classifies the image and pre-image as being congruent. Is Travis correct

? Why or why not?

2 answers:

PilotLPTM [1.2K]3 years ago

8 0

Answer:

He is not correct

Dilation changes the lengths of the sides of the polygon

Congruent polygons must have equal sides and equal angle.

Step-by-step explanation:

GuDViN [60]3 years ago

6 0

He is not correct
Dilation changes the lengths of the sides of the polygon

Congruent polygons must have equal sides and equal angle.

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For the following pair of functions, find (f+g)(x) and (f-g)(x).

ch4aika [34]

Given:

The functions are

$f(x)=4x^2+7x-5$

$g(x)=-9x^2+4x-13$

To find:

The functions $(f+g)(x)$ and $(f-g)(x)$ .

Solution:

We know that,

$(f+g)(x)=f(x)+g(x)$

$(f+g)(x)=4x^2+7x-5-9x^2+4x-13$

$(f+g)(x)=(4x^2-9x^2)+(7x+4x)+(-5-13)$

$(f+g)(x)=-5x^2+11x-18$

And,

$(f-g)(x)=f(x)-g(x)$

$(f-g)(x)=(4x^2+7x-5)-(-9x^2+4x-13)$

$(f+g)(x)=4x^2+7x-5+9x^2-4x+13$

$(f+g)(x)=(4x^2+9x^2)+(7x-4x)+(-5+13)$

$(f-g)(x)=13x^2+3x+8$

Therefore, the required functions are $(f+g)(x)=-5x^2+11x-18$

and $(f-g)(x)=13x^2+3x+8$ .

7 0

3 years ago

Please help!!!!!!!!!!!!!?

MariettaO [177]

The answer is A. True

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3 years ago

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Simplify. Express your answer as a single fraction in simplest form.<br> x x<br> 5

lbvjy [14]

Answer:

$\frac{x}{20}$

Step-by-step explanation:

Given

$\frac{x}{4}$ - $\frac{x}{5}$

The LCM of 4 and 5 is 20

= $\frac{5x-4x}{20}$

= $\frac{x}{20}$

5 0

3 years ago

I will mark brainliest

Brilliant_brown [7]

Answer:

the first answer is correct answer

8 0

3 years ago

There are six multiple-choice questions on an exam, each with four possible answers. (a) Determine the number of possible answer

Lubov Fominskaja [6]

Answer:

$Possible\ Answers = 4096$

Step-by-step explanation:

Given

$Questions = 6$

$Options = 4$ each

Required

Determine the number of possible answers

<em>The first question has 4 possible answers</em>

<em>The second has 4 possible answers</em>

<em>The third has 4 possible answers</em>

<em>The fourth question has 4 possible answers</em>

<em>The fifth has 4 possible answers</em>

<em>The sixth question has 4 possible answers</em>

<em />

$Possible\ Answers = 4 * 4 * 4 * 4 * 4 * 4$

$Possible\ Answers = 4^6$

$Possible\ Answers = 4096$

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3 years ago