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valina [46]
1 year ago
6

Translate pre-image coordinates Help me with 4 and 6 please!!

Mathematics
1 answer:
Alecsey [184]1 year ago
8 0

4. Because there is already a rule that they gave us, we can apply it to each point to find the post image coordinates.

The rules are (x-13) and (y+21).

We can substitute each point's x and y coordinates into the x and y values in the rules.

A: (3, -5) --> after substituting, (3-13), (-5+21)

simplify: (-10, 16)

B: (10, -8) --> after substituting, (10-13), (-8+21)

simplify: (-3, 13)

C: (12, -13) --> after substituting, (12-13), (-13+21)

simplify: (-1, 8)

D: (5, -10) --> after substituting, (5-13), (-10+21)

simplify: (-8, 11)

Final Coordinates:

A'= (-10, 16)

B'= (-3, 13)

C'= (-1, 8)

D'= (-8, 11)

6. We can apply the same concept as problem 4, but we have to make our own rules. We know that we have to translate to the right 14 units and up 13 units. Going to the right 14 units is adding 14 to x, so our rule is (x+14). Going up 13 units is adding 13 to y, so our rule is (y+13). A rule to use when you're not sure whether it's x, y, positive or negative is this:

When the problem says,

right: add to x

left: subtract from x

up: add to y

down: subtract from y

Now that we have our rules, we can solve. Use the same method as problem 4, and substitute our original points into the rules to get our new points.

A: (-12, 3) --> after substituting, (-12+14), (3+13)

simplify: (2, 16)

B: (-6, 3) --> after substituting, (-6+14), (3+13)

simplify: (8, 16)

C: (-12, 9) --> after substituting, (-12+14), (9+13)

simplify: (2, 22)

Final Coordinates:

A'= (2, 16)

B'= (8, 16)

C'= (2, 22)

hope this helped! comment if something doesn't make sense and i'll try to explain as best as i can. have a nice day!

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andriy [413]

28. The ratio of games they won to total games played = 12: 14 = 6: 7.

29. Max's pay rate is 9.50 dollars per hour.

30. The value of n is 9.

Step-by-step explanation:

Step 1; Heather's team won 12 games out of 14. To find the ratio of games won to the total number of games we divide the number of games won to the number of games played.

The ratio of games won to games played = 12: 14, dividing both sides by 2 we simplify the ratio. So the simplified ratio is 6: 7.

Step 2; Max earns $380 for working 40 hours. So to find how much he earns an hour we divide the total money earned in n hours divided by n number of hours.

Money earned per hour = \frac{380}{40} = $9.50. So Max's pay rate per hour is $9.50.

Step 3; The given proportion is

\frac{n}{12} = \frac{18}{24}, to solve this we keep n on the left-hand side while we multiply the 12 on to the other side

n = \frac{18}{24} × 12 = \frac{3}{4} × 12 = \frac{36}{4} = 9.

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3 years ago
Match the term with the definition
katrin2010 [14]

Answer:

Plane: C) A flat surface that extends infinitively and has no depth; it has length and width

Perpendicular Lines: B) Two lines that intersect at 90° angles

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I hope this helps

this is 100% correct

plz mark me brainliest

3 0
3 years ago
I neeed help asap please
jekas [21]

With what I can help

8 0
3 years ago
Which expression is equivalent to 15 plus 3 x?
Dmitrij [34]

Answer:

3(5+x)

Step-by-step explanation:

Another expression that can equal 15+3x is 3(5+x)

<u>Use Distributive Property:</u>

3(5+x)

=15 + 3x.

I wish you the best of luck, and hopefully this is an option on your homework!

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3 years ago
Help fast don’t understand
maksim [4K]

Answer:

its the second one

Step-by-step explanation:

those coords make it so its a 5x6 rectangle (area of 30)

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