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posledela
3 years ago
13

bank a charges a monthly service fee of $5.00 and per check fee of $0.15 while bank b charges a monthly service fee of $2.50 and

a per check fee of $0.35 which of these numbers of monthly checks will cause bank a to change less in fees than bank b

Mathematics
2 answers:
ahrayia [7]3 years ago
8 0
Bank A

f-final cost
c-number of cheques

f = 5 + 0.15c \\  \\ f = 5 + 0.15(13) \\ f = 5 + 1.95 \\ f = 6.95
Bank B

f = 2.5 + 0.35c \\ f = 2.5 + 0.35(13) \\ f = 2.5 + 4.55 \\ f = 7.05
At the thirteenth cheque, bank a is cheaper than bank b


a-red
b-blue

Ymorist [56]3 years ago
4 0

Answer: 19

Step-by-step explanation:

A p e x

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an instructor grades on a curve by assuming that grades on a test are normally distributed. If the average grade is 80 and the s
sweet [91]

Step-by-step explanation:

According to normal distribution curves following a bell curve formula, it is followed that

34% of people will lie between Mean point and one positive standard deviation

34% of people will lie between Mean point and one negative standard deviation

14% of people will lie between Mean point and two positive standard deviation

14% of people will lie between Mean point and two negative standard deviation

2% of people will lie between Mean point and three positive standard deviation

2% of people will lie between Mean point and three negative standard deviation

Now following this principle, we are given that mean score is 80 and standard deviation is 8, hence the interval for grades would be;

Grade A ; Score greater than 96

Grade B : Score greater than 88 and less than or equal to 96

Grade C : Score greater than 80 and less than or equal to 88

Grade D : Score greater than 72 and less than or equal to 80

Grade E : Score greater than 64 and less than or equal to 72

Grade F : Score less than 64

3 0
3 years ago
What is the value of f(4) in f(x)=3x-6
vodka [1.7K]
F(4) value is 6.
I believe it would work like this:
f(x) is being turned into f(4), so 4 would equal x. Put 4 into the equation 3x-6, and you get 12-6, which gives you 6. So the value of f(4) is 6. I hope this helps!
3 0
3 years ago
Which of the following is equivalent to (Cd) to the fifth power
Rina8888 [55]

Answer:

The 3rd option is correct.

Step-by-step explanation:

This is because of an exponent rule that goes:

(xy)^z = x^z(y^z)

The whole thing gets raised to the power. Therefore only the 3rd one works (ps. if you can mark as brainliest that would be amazing, but if not that's fine)

5 0
2 years ago
Which formula finds the probability that a point on the grid below will be in the blue area? A grid contains 20 squares. 10 squa
Natali5045456 [20]

The formula that finds the probability that a point on the grid below will be in the blue area is represented by the option:

P (blue) = StartFraction number of blue squares over the total number of squares EndFraction.

The probability = 1/2.

The probability of an event defines the chance of the occurrence of that event. It is given by the ratio of the total number of outcomes favorable to the event to the total number of outcomes in the experiment.

If we suppose an event to be A, the total number of possible outcomes favorable to A be n, and the total number of outcomes in the experiment be S, then the probability of event A can be given as:

P(A) = n/S.

In the question, we are asked to find the formula that defines the probability that a point on the grid will be in the blue area, where the grid contains 20 squares, 10 of them being shaded blue.

We take the event that the chosen point is in the blue area as A.

The total number of outcomes favorable to this event A can be given by n, which will be equal to the number of blue squares = 10

The total number of outcomes in the experiment can be given by S, which will be equal to the number of squares = 20.

Now, the formula for the probability of event A can be written as

P(A) = n/S = 10/20 = 1/2.

The formula that finds the probability that a point on the grid below will be in the blue area is represented by the option:

P (blue) = StartFraction number of blue squares over the total number of squares EndFraction.

Learn more about the Probability of an event at

brainly.com/question/7965468

#SPJ10

4 0
2 years ago
What is the area of the given circle in Terms of Pi?
weeeeeb [17]
I think it would be 27.38ᴹ2
3 0
3 years ago
Read 2 more answers
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