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melisa1 [442]
3 years ago
10

Paul was thinking of a number. Paul divides by 7 then adds 1 to get an answer of 10. Form an equation with x from the informatio

n.
Mathematics
1 answer:
Vitek1552 [10]3 years ago
4 0

Answer:

x/7 + 1 = 10

Step-by-step explanation:

x/7 + 1 = 10

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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
2 years ago
Graph the line whose x-intercept is 8 and whose y-intercept is -9.
eduard

Answer: attached image

7 0
1 year ago
Evatuate expreeion of the valube 5 (9+d) - 6
sammy [17]

Answer:

39 + 5d

Step-by-step explanation:

First multiply 5 by 9 and 5 by d then subtract 6 from 45 (which you get from multiplying 5 by 9) and you get 39 and multiply 5 by d so you get 39 + 5d

7 0
2 years ago
Read 2 more answers
A) SAS
Nataliya [291]
The answer is B. Yes it is a triangle congruent
7 0
3 years ago
3*3*3*3*3^2 write as a single power
e-lub [12.9K]

Answer:

3^6

Step-by-step explanation:

<u>Step 1:  Find the single power of these numbers</u>

<u />3 * 3 * 3 * 3 * 3^2

(3 * 3 * 3 * 3) * 3^2

3^4 * 3^2

3^(^4^+^2^)

3^6

Answer:  3^6

3 0
3 years ago
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