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RSB [31]
3 years ago
8

LetA,B,CandDbe the following sets:A={red, blue, green, purple}B={red, red, green}C={red,{green}, red,{red, green},{green, green,

red}}D={blue, blue, blue, green, green, purple}Let the universal set forA,B,C,Dbe defined by:U={red, blue, purple, green}⋃P({red, blue, purple, green})Provide the answer to the following questions about the above sets. Justify your answers unless otherwisespecified.9(a) IsB⊆A? g
Mathematics
1 answer:
MAVERICK [17]3 years ago
6 0

Answer:

No it is not

Step-by-step explanation:

B is a subset of A but not all the elements in Set A are in B hence they don't contain equal elements

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Find the surface area.
denpristay [2]

Step-by-step explanation:

a rectangular prism (like this brick) has the same basic structure as a cube (like a die) : it has 6 sides.

while a die has 6 equal sides, a rectangular prism has 3 pairs of equal sides :

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left and right

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all we have to do is calculate the areas of the 6 rectangles and add them up. that's it.

your remember, the area of a rectangle is

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in our case we have

top and bottom : 2.5×11.5 × 2 = 28.75×2 = 57.5 in²

left and right : 2.5×5 × 2 = 12.5×2 = 25 in²

front and back : 11.5×5 × 2 = 57.5×2 = 115 in²

so, the total surface area of the whole block is

57.5 + 25 + 115 = 197.5 in²

5 0
2 years ago
Mr Taylor brought back 180 Euros to the UK. The exchange rate was €1.2 to £1. How much did he get in £ sterling?
Firdavs [7]
You need to divide 180 by 1.2 
8 0
3 years ago
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Joe has fraction 5 over 6 pound of bird seed. He needs Fraction 1 over 3. pound to feed the birds daily. Which of the rectangle
Studentka2010 [4]
I divided the two fractions & drew a model.

\frac{5}{6}/ \frac{1}{3} = 2.5

So we know that the bird seed will last 2.5 days.

Knowing this, we can go with:

B. Rectangle model divided into six equal sections, five sections are labeled five-sixths and two sections are labeled one-third, equaling two and one-half days.

Let me know if you find any problems with my answer.


9 0
3 years ago
9 - (-2) = __ a0 <br><br> solve the equation
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The answer is 11

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6 0
4 years ago
What is 22% of 50???????????
miss Akunina [59]
22% of 50 is 11.
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