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3 years ago

What does it mean when a figure is dilated by a scale factor of 1/4

Mathematics

2 answers:

Harlamova29_29 [7]3 years ago

7 0

When a figure is dilated by a scale factor of 1/4 it means it is 1/4 the original size

docker41 [41]3 years ago

3 0

It means the figure is 1/4 the size of the original figure

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A line segment with endpoints A(-2, 1) and B (2, 1) is dilated with a dilation centered at the origin and a scale factor of

lesya692 [45]

Answer:

Step-by-step explanation:

I will assume that the scale factor is 2.5

A'(-5,2.5) True

AB || A'B' True

?? What does ABAB" mean?

A'B' is an enlargement of AB True

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3 years ago

For the real-valued functions, find the composition and specify its domain using interval notation.

Helen [10]

Answer:

Composition: $f(x)\,^o\,h(x)=4\,\sqrt{x+4} -1$

Domain = { $x\,/\,x\geq \,-4$ }

Step-by-step explanation:

Given

$f(x)=4\,x-1\,\,\, and \,\,\, h(x)=\sqrt{x+4}$

The requested composition becomes:

$f(x)\,^o\,h(x)=f(h(x))\\f(x)\,^o\,h(x)=f(\sqrt{x+4} )\\f(x)\,^o\,h(x)=4\,\sqrt{x+4} -1$

Then the Domain consists of all Real x-values for which the function is defined. In this case, the function is defined for all x-values for which the square root is defined, that is all x values for which:

$x+4\geq \,0$ (so the square root is defined in the Real number system)

This means $x\geq \,-4$

The Domain is then all the Real x-values such that $x\geq \,-4$

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3 years ago

Given that the confetti is going to be dropped from 25 feet up and land on a person who is about 6 feet tall, use the correct fo

elena-14-01-66 [18.8K]

I believe the question is saying - Confetti is dropped at x height and a person stands at y high, whats the difference between x and y. If the confetti falls at z speed, how long does the person have to wait until the confetti has fallen, to unsure he does not get hit.

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3 years ago

Read 2 more answers

SOMEONE PLZZZ ANSWER THIS IM VERY BAD AT THIS!!

Furkat [3]

Answer:

Step-by-step explanation:

A. Linear- the add up to 180

B. 3x-5+2x+3+4x+2=180

9x=180

x=20

C. plug x in

ABD- 55, DBK- 82, KBC- 43

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3 years ago

Please solve this equation<br><br><br> 9/6=x/9

Bingel [31]

Answer:

13.5

Step-by-step explanation:

i used nsolve

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3 years ago