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Lady bird [3.3K]
3 years ago
8

How do you do a dilation?

Mathematics
1 answer:
hoa [83]3 years ago
5 0

Answer:

A dilation is a change in size of a shape

Step-by-step explanation:

to do a dilation you keep the angle measure of the angles of the shape the same while multiplying the length of the sides by the scale factor

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1. Which of the following questions has a constant of
garik1379 [7]

Answer:

In B)  y = x/7 , the constant of proportionality is 7.

Step-by-step explanation:

Two quantities X and Y are said to be in proportion if and only if

X = kY   or, \frac{X}{Y}  = k,

where k =  Proportionality Constant.

Here, 7 is the constant of proportionality. Then,

A .   y = 14x

here, \frac{y}{x}  = 14  ≠ 7

B .   y = x/7

here, \frac{x}{y}  = 7  = constant of proportionality .

C.   y = x

here, \frac{y}{x}  = 1  ≠ 7

4 0
3 years ago
Can someone please help me check my answer!!
NNADVOKAT [17]

Answer:

11, 7, and 1

Step-by-step explanation:

Hi,

Since both f(x) and g(x) have the same values when x equals 11, 7, and 1, you know it's a solution :)

hope this helps

5 0
3 years ago
Given f(x)=-1/7√16-x^2 find f^-1(x)
Vera_Pavlovna [14]

Answer:

f^{-1}(x)=\pm \sqrt{49x^2-16}

Not a function.

Step-by-step explanation:

The given function is;

f(x)=-\frac{1}{7}\sqrt{16-x^2}

Let y=-\frac{1}{7}\sqrt{16-x^2}

Interchange x and y;

x=-\frac{1}{7}\sqrt{16-y^2}

Solve for y;

-7x=\sqrt{16-y^2}

Square both sides

(-7x)^2=(\sqrt{16-y^2})^2

49x^2^2=16-y^2

49x^2^2-16=y^2

y=\pm \sqrt{49x^2-16}

The inverse is

f^{-1}(x)=\pm \sqrt{49x^2-16}

f^{-1}(x)=\pm \sqrt{49x^2-16} is not a function because one x-value maps onto to different y-values.

6 0
3 years ago
PLEASE HELP ME (20 POINTS)
trasher [3.6K]

Answer:

Not always.

Step-by-step explanation:

brainly.com/question/18051242?referrer=fromSearch

5 0
3 years ago
If 7 buses can transport 280 persons how many persons can be carried by 12 buses
skelet666 [1.2K]

Step-by-step explanation:

672 I'm pretty sure cus yea oop-

3 0
2 years ago
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