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saveliy_v [14]
3 years ago
13

« 13. Given that R= {a,b,c}, S = {b, c, d}

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0

Answer:

R= {a,b,c}

S = {b, c, d}

T = {c, d, e},

Step-by-step explanation:

R U S U T. ={a,b,c}U{b, c, d}U{c, d, e},={a,b,c,d,e}

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PLEASE HURRY I WILL DO ANYTHING (not anything but give brain list)
Sergeeva-Olga [200]

The cost of the sheets is less for the second example, the second example is the better deal.

Consider the first example:

Here, A brand of sheets is on sale for “Buy one get one at 50% off”. If each sheet costs $18.00.

So, the value of the first sheet will be $18,

And since the other sheet is at 50% off .

That is it will be half of the original value

= 50/100 * 18

=9

Therefore, the cost of two sheets

=$18 + $9

= $27.

So, Six sheets will cost

=$27+$27+$27

= $81

Cost of six sheets will be $81

Now, consider the second example

In the second example sheets are 30% off.

So, 30% of 18

= $6.

Subtract that value from 18 and you will get $12.

So, cost of one sheet =  $12.

cost of 6 sheet

=  $12×6

= $72  

In the first example, Six sheets costs $81, while in the second example six sheets cost $72.

Since the cost is less for the second example. So, the second example is the better deal.

4 0
2 years ago
Can someone answer this for me? Please
svetoff [14.1K]
1. Is two minutes because you can see that the rate stays the same until that point.
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3 0
2 years ago
Martin runs a 5 kilometer race in 25 minutes. What is his unit rate?
SOVA2 [1]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Solve. 3(x+1)-2x=-6
RideAnS [48]
D.)  x = - 9


C.) x = 0

Hope that helps, Good luck! (:



4 0
3 years ago
HELP! will give brainlest or whatever its called... Triangle ABC has vertices A(–2, 3), B(0, 3), and C(–1, –1). Find the coordin
Tomtit [17]

Answers:

A ' = (-2, -3)

B ' = (0, -3)

C ' = (-1, 1)

=======================================================

Explanation:

To apply an x axis reflection, we simply change the sign of the y coordinate from positive to negative, or vice versa. The x coordinate stays as is.

Algebraically, the reflection rule used can be written as (x,y) \to (x,-y)

Applying this rule to the three given points will mean....

  • Point A = (-2, 3) becomes A ' = (-2, -3)
  • Point B = (0, 3) becomes B ' = (0, -3)
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The diagram is provided below.

Side note: Any points on the x axis will stay where they are. That isn't the case here, but its for any future problem where it may come up. This only applies to x axis reflections.

4 0
3 years ago
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