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anastassius [24]
2 years ago
5

Let U = {1,2,3,4,5}, A = {1,2,3} and B = {2,3,4}. 1. Describe the relations between each of these sets. Use your own words. 2. D

escribe the relations between these sets using mathematical notation (statements!) 3. We wish to construct a new set S = An B. What is S? (Hint: Aºis the complement of A). 4. Draw a Venn Diagram highlighting S. 5. How many elements does P ({U}) have? Explain why.
Mathematics
1 answer:
kogti [31]2 years ago
4 0

Answer:

1.) A and B are subsets of U

2.) A⊆U and B⊆U

3.)idk

4.)idk

5.) I think its 2  but that might be wrong

Lemme know!

Step-by-step explanation:

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Josh works for a construction company that uses 150 pounds of gravel for each driveway they pour. He can buy a dump truck load w
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Answer:

Josh should by the dump truck with 30,000 pounds of gravel in it

Step-by-step explanation:

the easiest way to find this out is divide 30,000 and 2,500 by 150 and if the answer is a whole number, then you know that is the correct answer.

30,000/150 = 200

2,500/150 = 16.6666666666666

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2 years ago
Which number line correctly shows 4.5 – 2.5? A number line going from 0 to 4.5 in increments of 0.5. An arrow goes from 0 to 4.5
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Answer:

A number line going from 0 to 4.5 in increments of 0.5

Step-by-step explanation:

This solution makes the most sense because 4.5 and 2.5 both have a decimal of 0.5

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2 years ago
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in one week, 128 cell phones were sold. The following week 37 more cell phones were sold than the week before. How many cell pho
Pani-rosa [81]

\large\bf{\underline{Given :}}

  • 128 cellphones were sold in a week
  • 37 more cellphones more were sold than the week before

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎\large\bf{⟹128+37=165}

__________________________________________

\large\bf{\underline{Therefore:}}

\bf{Total\: number\:of\: cellphones\:sold\:in\:two\:weeks}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large{⟹128 + 165}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large{⟹293}

__________________________________________

\large\bf{\underline{Hence}}

  • 293 cellphones were sold in given 2 weeks
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2 years ago
Giuliana has 22 quarters and dollar coins worth a total of $10.75. Which equation can be used to find d, the number of dollar co
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Answer:

Option (3). 0.25(22 - d) + d = 10.75

Step-by-step explanation:

Total number of coins Giuliana has = 22

Let the number dollar coins Giuliana has = d

Number of quarters with Giuliana = (22 - d)

Value of dollar coins and quarters = $10.75

So the equation will be,

Number of dollars coins × $1 + Number of quarters × $0.25 = $10.75

d + 0.25 × (22 - d)  = 10.75

Therefore, to determine the number of dollars with Giuliana equation will be used,

d + 0.25(22 - d) = 10.75

Option (3) will be the answer.

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