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Mathematics

2 answers:

yan [13]3 years ago

3 0

Answer:

Step-by-step explanation:

ratelena [41]3 years ago

3 0

Answer: don't know sorry

Step-by-step explanation:

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After Germany was defeated in 1945, the country was divided by the Allies. Choose ALL true statements about the "Iron Curtain" f

umka2103 [35]

It’s b and don’t open the link above they take you’re information

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3 years ago

Pizza Perfection sold 93 pizzas on Monday, 67 pizzas on Tuesday, 78 pizzas on Wednesday, 44 pizzas on Thursday, and 123 pizzas o

olga_2 [115]

Okay,
So we know how many pizzas they sold throughout the week, we add those together.
93
67
78
44
<u> 123</u>
405

You divide "405" by the amount of numbers there are.

so "5" into "405"
5 goes into 40 8 times
now we have 5 into 5 which goes 1 time.
Our answer is a solid 81.

To check our work, we can multiply 81 by 5.
5*1=5
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405.

A. 81 is your answer

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3 years ago

Read 2 more answers

If the set U = {all positive integers} and set A = {x|x ∈ U and x is an odd positive integer}, which describes the complement of

dlinn [17]

Answer: Choice D) set of even integers

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

Explanation:

U = universal set = {all positive integers} = {1, 2, 3, 4, 5, ...}

A = {stuff in set U that is odd} = {1, 3, 5, 7, 9, ...}

$A^c$ = {stuff in set U but NOT from set A} = {2, 4, 6, 8, ...}

$A^c$ = {set of even numbers from set U}

In set theory, the complement is simply the complete opposite. If the number 7 is found in set A for instance, then 7 is not going to live in the complement $A^c$

The opposite of the odd numbers is the set of even numbers.

Therefore, we go for <u>choice D</u> as our final answer.

Side note: if we union set A with its complement $A^c$ then we get the universal set as a result. $A \cup A^c = \text{universal set} = \text{set of all positive integers}$