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3 years ago

11

Need help.with this problem

1 answer:

spayn [35]3 years ago

3 0

Answer:

Step-by-step explanation:

A(2,2) B(-2,1) and C( 3,-3)

reflection over the the y-axis of (x, y) becomes ( -x, y)

A'( -2,2), B'( 2, 1) and C'( -3,-3)

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If a 12-sided regular polygon rotates about its center, at which angle of rotation will the image of the polygon coincide with t

lawyer [7]

In your question where as ask to find which angel of rotation will image of the polygon coincide with the pre-image if a 12 sided regular polygon rotates about its center. I think the angle is 30 degrees because the polygon has total of 360 degree then divide it to 12 then you will came up with a 30

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4 years ago

Bo is buying a board game that usually costs BB dollars. The game is on sale, and the price has been reduced by 18\%18%.

valentinak56 [21]

Answer:

You didn't provide any choices but.....

Step-by-step explanation:

with N representing the cost of the game

N - .18(N)

6 0

4 years ago

Help answer and EXPLAIN STEP BY STEP

pychu [463]

15. $(-k^{3} -5k^{2} + 1) - (6k^{3}-k^{2} -2)$

Step 1: Distribute the subtraction sign to all the numbers in the second set of parentheses...

$(-k^{3} -5k^{2} + 1) - (6k^{3}-k^{2} -2)$

$-k^{3} -5k^{2} +1 - 6k^{3} +k^{2} +2$

Step 2: Combine like terms ( $k^{2}$ 's go with $k^{2}$ 's)

$-k^{3} -5k^{2} + 1 - 6k^{3}+k^{2} +2$

$-5k^{2} +k^{2}$

$-4k^{2}$

$-k^{3} -4k^{2} + 1 - 6k^{3}+2$

Step 3: Combine like terms ( $k^{3}$ 's go with $k^{3}$ 's)

$-k^{3} -4k^{2} + 1 - 6k^{3}+2$

$-k^{3} + (- 6k^{3})$

$-7k^{3}$

$-7k^{3} -4k^{2} + 1 +2$

Step 4: Combine like terms (normal numbers go with normal numbers)

$-7k^{3} -4k^{2} + 1 +2$

1 + 2

3

$-7k^{3} -4k^{2} + 3$

You were correct!

16. $49m^2 - 84mn + 36n^2$

I don't really know how to explain this one but I got: (7m-6n)(7m-6n)

7 0

4 years ago

The total cost for 9 bracelets including shiping is $72.00

nikdorinn [45]

Answer it depends

Step-by-step explanation: how much are there a pice or how much are all 9 . 72-9= 63

But the cost of 1 bracelet is $7

4 0

3 years ago

Write “ The difference between n and 16 is 5” is in algebraic equation. Then find the solution.

IceJOKER [234]

The different between n and 15 is 5 in an algebraic expression would be n-16=5
the solution would be n=21

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3 years ago