Is 4 to 7 the same as 7 to 4 explain why it why not

1 answer:

6 0

It’s not the same because if you simplify them there going to end up looking different (the answers) And they get a whole different do you denominator a numerator

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Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent

aliina [53]

Answer:

Variance = 25

Step-by-step explanation:

Standard deviation is the under root of variance.

Variance is the square of standard deviation.

Data:

Mean = 70

Variance = ?

Standard deviation = √variance = 5

Variance = 5²

Variance = 25.

Therefore, the variance is 25.

3 0

4 years ago

Can u guys please answer this question ASAP.

Verizon [17]

Answer: 17 patients stayed for longer than 10 minutes.

Step-by-step explanation:

Let x represent the number of patients that stayed for longer than 10 minutes.

The doctor charges $21.80 for consultations that last less than 10 minutes and $27.50 for those that last longer than 10 minutes. Yesterday the doctor earned $1077.90. If 28 consultations lasted less than 10 minutes, it means that

28 × 21.80 + x × 27.50 = 1077.90

610.4 + 27.5x = 1077.9

27.5x = 1077.9 - 610.4

27.5x = 467.5

x = 467.5/27.5

x = 17

5 0

3 years ago

Read 2 more answers

Given this arithmetic sequence, find d 4,_,_,_,_,179

Margarita [4]

4 + (6-1)d = 179
4 + 5d = 179 
5d = 175 
d = 35