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Murrr4er [49]
3 years ago
15

What is the difference of the polynomials? (m2n2- 7)-(mm+4)

Mathematics
1 answer:
Rasek [7]3 years ago
6 0

Answer:

<em>hope</em><em> </em><em>u</em><em> </em><em>are</em><em> </em><em>searching for</em><em> </em><em>this</em><em>.</em><em>.</em>

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I think this is the answer. i havent done any math for a while.

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What is another way to say 230 mm?
MArishka [77]

Answer:23 cm

Step-by-step explanation:

Because it would equal the same amount because there are 10 mm in a cm

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Find the slope of the line that passes through the points ( -2,3) and (7,-4)
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Step-by-step explanation:

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Find the measure of angle A
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Of the cars sold during the month of July, 89 had air conditioning, 99 had an automatic transmission, and 74 had power steering.
DedPeter [7]

Answer:

There are a total of 23 cars with air conditioning and automatic transmission but not power steering

Step-by-step explanation:

Let A be the cars that have Air conditioning, B the cars that have Automatic transmission and C the cars that have pwoer Steering. Lets denote |D| the cardinality of a set D.

Remember that for 2 sets E and F, we have that

|E \cup F| = |E| + |F| - |E \cap F|

Also,

|E| = |E ∩F| + |E∩F^c|

We now alredy the following:

|A| = 89

|B| = 99

|C| = 74

|A \cap B \cap C| = 5

|(A \cup B \cup C)^c| = 24

|A \ (B U C)| = 24 (This is A minus B and C, in other words, cars that only have Air conditioning).

|B \ (AUC)| = 65

|C \ (AUB)| = 26

|B \cap C| = 11

We want to know |(A∩B) \ C|. Lets calculate it by taking the information given and deducting more things

For example:

99 = |B| = |B ∩ C| + |B∩C^c| = 11 + |B∩C^c|

Therefore, |B∩C^c| = 99-11 = 88

And |A ∩ B ∩ C^c| = |B∩C^c| - |B∩C^c∩A^c| = |B∩C^c| - |B \ (AUC)| = 88-65 = 23.

This means that the amount of cars that have both transmission and air conditioning but now power steering is 23.

3 0
3 years ago
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