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Dima020 [189]
3 years ago
10

Which transformation will be equivalent to rotating a figure 90° counterclockwise?

Mathematics
2 answers:
aleksandrvk [35]3 years ago
8 0
I believe it would be A. Reflecting over the x-axis and the y-axis. I hope this helps you please let me know
enyata [817]3 years ago
8 0

Answer:

C) Reflecting over the x-axis and then reflecting over the line y = x.  

Step-by-step explanation:

A rotation 90° counterclockwise will map every point (x, y) to (-y, x).

Since the x- and y-coordinates are switched, this is not a reflection across the x-axis followed by a reflection across the y-axis.

Since the y-coordinate is negated and the x- and y-coordinates are switched, this is not a translation.

Reflecting across the x-axis will negate the y-coordinate, giving us (x, -y).  Following this with a reflection across y=x will switch the coordinates giving us (-y, x).  This is the correct transformation.

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The volume of this cone is 36π cubic units.
kap26 [50]

Answer:

108pi

Step-by-step explanation:

We do not need to know the height and radius, as the formula for the volume of a cone is just a third of the volume of a cylinder. So we have 36pi * 3 or 108pi.

4 0
3 years ago
What is the diameter, in meters of the circular area that gets watered by the sprinkler?
Schach [20]
The answer is 12 m.

Because you're not studying!

Next time do your mom.

3 0
3 years ago
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The equation that models this trip is T= 36x + 60 where T represents the total cost for the group to take the trip and X equals
Archy [21]

We are given

The equation that models this trip is T= 36x + 60

T represents the total cost for the group to take the trip and

X equals the number of people going

we know that

Domain is all possible values of x for which any function is defined

Since, number of people can neither be negative nor in decimals

so, x can not be negative or in decimals

now, we will check each options

option-A:

x=40

This is positive and whole number

so, this can be domain

so, this is TRUE

option-B:

x=60

This is positive and whole number

so, this can be domain

so, this is TRUE

option-C:

0< x< 40

It also includes decimals numbers

and we know that

x can not be in  decimals

so, this is FALSE

option-D:

0< x< 39

It also includes decimals numbers

and we know that

x can not be in  decimals

so, this is FALSE

4 0
3 years ago
Read 2 more answers
Help with number 8 plz and tell me how you did it!
yulyashka [42]
Well, there are 0.25 quarts in a cup so if Krystal makes 18 cups of soup, she can serve 72 guests! because,
0.25 divided by 18 = 72! :)
7 0
3 years ago
On a number line, the distance from zero to -7 is 7 units.
aivan3 [116]

Answer: Option A. |-7| = 7


Solution:

The distance is a positive value, then we must not take in account the sign, and using:

|a| =-a if a<0

with a=-7

|-7| = -(-7)

|-7| = 7

4 0
3 years ago
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