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Lesechka [4]
4 years ago
5

the coordinates of a quadrilateral are (5,8), (7,10), (9,12) and (11,14). after a transformation, the sign of the x-coordinate a

nd the sign of the y- coordinate for each ordered pair have changed. which type of transformation occurred?
Mathematics
2 answers:
adelina 88 [10]4 years ago
8 0

Answer:

a reflect across x=y

Step-by-step explanation:

-Dominant- [34]4 years ago
5 0

I know the answer but I don’t know how to word this correctly. But the coordinates went from the first quadrant to the third quadrant. Meaning that the coordinates either reflected over the y-axis then over the x-axis, or the coordinates reflected over the x-axis then over the y-axis.

Hope this helps!

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Element X decays radioactively with a half life of 8 minutes. If there are 480 grams of
Vaselesa [24]

Answer:

40.8 minutes

Step-by-step explanation:

Element X decays radioactively with a half life of 8 minutes. If there are 480 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 14 grams?

The formula to find how long it would take which is the time elapsed is given as:

t = t½ × In(Nt/No)/-In2

t = ?

t½ = 8 minutes

Nt = Amount after the time of decay = 14 grams

No = Original Amount of substances = 480 grams

t = 8 × In(14/480)/-In2

t = 40.796285388407 minutes

Approximately to the nearest tenth = 40.8 minutes

Therefore, it would take the element X, 40.8 minutes to decay to 14 grams

6 0
3 years ago
• How many 5 inch pieces of wood can<br> you cut* from a board that is 4 feet<br> long
riadik2000 [5.3K]

Answer:

9

Step-by-step explanation:

To find the answer, first convert 4 ft. to inches. 4 ft.= 48 in. Now, you divide 48÷5. 48÷5=9 3/5, or 9.6, but you can't cut <em>a sixth of a board</em>. Therefore, the answer is 9.

Hope this helps!

3 0
3 years ago
Read 2 more answers
The polyhedron name and the surface area
Mars2501 [29]

Answer:EERR

Step-by-step explanation:

EERR

3 0
3 years ago
allyson can pay for her gym membership on a monthly basis, but if she pays for an entire years membership in advance, she'll rec
vodka [1.7K]

Let 'x' represent the monthly membership fee for the gyp.

Since 1 year = 12 month for 1 year Alyson will pay 12x dollars.

But if she pay in advance 12x dollars she will receive $50 discount and pay $514:

12x - 50 = 514

 

x = $47

The monthly membership fee is $47.






                                        hope it helps

3 0
3 years ago
A square picture frame with each side length represented by 3x -
sergey [27]

Answer:

C. X=6

Step-by-step explanation:

Length of one side =52/4= 13

3X-5= 13

3x = 13+5

X= 18/3

X= 6

5 0
3 years ago
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