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melisa1 [442]
3 years ago
9

A patient's temperature was recorded at 9 a.m., 11 a.m., 4 p.m. and 6 p.m. The first, second, and fourth readings were 112° F, 6

8° F and 85° F, respectively. If the average of the four readings was 84.75° F,
what was the third reading?
Mathematics
1 answer:
lana66690 [7]3 years ago
8 0

Answer:

74°F

Step-by-step explanation:

In order to find the average of a certain amount of numbers, you add those numbers together and divide by how many numbers there are. In this case, you would reverse that method to find the last number. We know that there were four readings, and we have three of them and the average. Multiply the average (84.75) by the number of readings (4), and you get the sum of all the readings (339). Then you subtract each of the readings that you already know to isolate the last reading. 339 - 112 (first reading) = 227, 227 - 68 (second reading) = 159, and 159 - 85 (fourth reading) = 74. Therefore, the third reading must be 74.

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True or False: Credit cards are a closed and secured line of credit. Explain.
kupik [55]

Answer:

The cost of credit is basically the late fees and transfer fees on your credit card. ... May combine elements of closed and open-end credit. Usually higher interest rates and higher fees.

Step-by-step explanation:

4 0
3 years ago
What is the measurement in degrees and radians for the rotation of counter-clockwise 5/3
irga5000 [103]
I am assuming 5/3 refers to 5/3rds of a full revolution.
radians is easier for now so I'll do that first. on full revolution = 2π radians, but you have 1 and 2/3rds revolutions, so that is 2π+2π*(2/3)=10π/3 radian turn
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Final answer:
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4 years ago
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Temka [501]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Which function describes the vertical shift up 2 units and left 2 units to the original function: f(x) = ex
Marrrta [24]

Answer:

g(x) = e^(x + 2) + 2

Step-by-step explanation:

First, let's describe the shifts.

Vertical shift.

For a function f(x), a vertical shift of N units is written as:

g(x) = f(x) + N

If N is positive, then the shift is upwards.

If N is negative, then the shift is downwards.

Horizontal shift.

For a function f(x), a horizontal shift of N units is written as:

g(x) = f(x - N)

If N is positive, the translation is to the right

If N is negative, the translation is to the left.

Now let's solve the question.

f(x) = e^x

First, we have a vertical shift up of 2 units, then:

g(x) = f(x) + 2

Now we have a shift to the left of 2 units:

g(x) = f(x - (-2)) + 2

g(x) = f(x + 2) + 2

Then:

g(x) = e^(x + 2) + 2

3 0
3 years ago
Richard's living room is 8 yards wide and 8 yards long. He wants to install pink carpet that costs $1.00 per square yard. How mu
Katena32 [7]

Area = Length x width

Area = 8 x 8 = 64 square yards

Total cost = area x cost per square yard

Total cost = 64 x 1.00 = $64

4 0
3 years ago
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