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EleoNora [17]
3 years ago
9

Polygon ABCD is translated to create polygon A’B’C’D’. Point A is located at (1,5) and point A’ is located at (-2,3). Which expr

ession defines the transformation of any point (x,y) to (x’,y’) on the polygons?
Mathematics
2 answers:
Tatiana [17]3 years ago
8 0

Answer:

The translation is 3 units left and 2 units down

Step-by-step explanation:

we know that

Point A is located at (1,5) and point A’ is located at (-2,3)

so

The rule of the translation is

(x,y) -----> (x+a,y+b)

(1,5) ----> (-2,3)

Find the values  of a and b

1+a=-2 ----> a=-2-1 ----> a=-3

5+b=3 ----> b=3-5 ----> b=-2

so

The rule of the translation is

(x,y) -----> (x-3,y-2)

That means -----> The translation is 3 units left and 2 units down

Romashka [77]3 years ago
3 0

Answer:

x’ = x - 3

y’ = y - 2

Step-by-step explanation:

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padilas [110]

Answer:

b. The paint will not fill the tray by 5.22 in3.

Step-by-step explanation:

The computation is shown below:

First we have to determine the volume of tray by using the following equation

V = L \times W \times H

Now transform this from dimensions to inches

Now  putting the values,

V = 10\times12\times (5\times(\frac{1}{2.54})) \\\\As\ 5 cm = 5 \times (\frac{1}{2.54})

the volume would be equivalent to the

236.22 inches^3

Now 1 gallon is 231 inches^3

So, the remaining would be

= 236.22 - 231

= 5.22^3

Therefore the correct option is b.

Hence, all the other options are wrong

7 0
3 years ago
Line segment BC will be reflected over line m to form line segment BC. Which of the following statements must be true?
Len [333]

Answer:

<u>Option A</u>

Step-by-step explanation:

To reflect line segment BC over line m, BB' will be perpendicular to the line m

and line m bisector of BB'.

<u>So, the correct answer is option A</u>

A) Line m is the perpendicular bisector of line segment BB' and the line segment CC'

<u>Option b is wrong</u> , it is impossible for the line B'C' to be perpendicular to line BC. B'C' is the image of BC.

<u>Both option c and d is wrong</u> because the perpendicular distance from b to the line m not equal to the perpendicular distance from c to the line m.

7 0
3 years ago
In which measurement situations would the most appropriate unit of measurement be feet?
nikklg [1K]
The answer would be the distances that are not too large and not too small

A.legnth and width of a ball room
this would work because the next measurement is 1  mils and ball rooms are not that big


B. width of an eyelash. that is rediculously small so this is wrong

C. distanc from chicaco to san fransisco
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D. height of a door
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answer is A and D
5 0
3 years ago
Choose all options that apply. Which of the following are equal to 20%? | a) .25 b) 1/5 Oc) 1/10 d) .20
zloy xaker [14]

Answer:

b. and d.

Step-by-step explanation:

20 =  \frac{20}{100}  \\ 0.25  =  \frac{25}{100} \\  \frac{1}{5}  =  \frac{20}{100} \\  \frac{1}{10}  =  \frac{10}{100}  \\ 0.20 =  \frac{20}{100}

4 0
3 years ago
Complete the following statement: f(3)=_____
Lesechka [4]
Using this equation, f(3) = 23.

In order to find the value of f(3), we need to take the f(x) equation and put 3 everywhere we see x. Then we follow the order of operations to solve. So, let's start with the original. 

f(x) = 2x^2 + 5sqrt(x - 2) 

Now place 3 in for each x. 

f(3) = 2(3)^2 + 5sqrt(3 - 2)

Now square the 3.

f(3) = 2(9) + 5 sqrt(3 - 2)

Do the subtraction inside of the parenthesis. 

f(3) = 2(9) + 5sqrt(1)

Take the square root

f(3) = 2(9) + 5(1)

Multiply. 

f(3) = 18 + 5

And add. 

f(3) = 23
4 0
4 years ago
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