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ss7ja [257]
3 years ago
9

What is 3.405 written in expanded form

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0
Not sure which expanded form you need it in. There's also expanded exponential form let me know if you need more assistance

Arlecino [84]3 years ago
3 0
3 + .4+.005 is the expanded form
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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
Show steps for <br> x+7=19
marishachu [46]

Answer:

x=12

Step-by-step explanation:

x+7=19

   -7   -7

x=12

7 0
3 years ago
Read 2 more answers
NEED HELP ASAP 2 questions WORTH 50
ch4aika [34]

Answer:

The first question tan(24) = x/12 because tan(x) = opposite/adjacent

so x in radians ≈ -25.618....

x in degrees ≈ 5.342....

For the second question tan(72) = x/20

x in radians ≈ -5.248....

x in degrees ≈ 61.553....

3 0
2 years ago
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ITTTTSSSS TTTTTIIIMMMEDDD!!!Graph the function y = x3 + 3x2 – x – 3. Which lists all of the turning points of the graph?
Aleks04 [339]
I cannot do turning points.
Also, if this is from a test, it can be removed.

But here is a graph of the function.


7 0
3 years ago
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34) Which equation is equivalent to: 3r=78+14 ?
Julli [10]
It’s B. (Note: The image below isn’t mine but I can assure you it is B)

8 0
2 years ago
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