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Drupady [299]
2 years ago
15

The table shows the time a patient spends at the dentist and the amount of the bill. A 2-column table with 4 rows. The first col

umn is labeled time spent at the dentist (in hours) with entries 1. 4, 2. 7, 0. 75, 1. 6. The second column is labeled bill amount (in dollars) with entries 235, 867, 156, 215. What is the correlation coefficient for the data in the table? –0. 93 –0. 27 0. 27 0. 93.
Mathematics
1 answer:
Vinvika [58]2 years ago
3 0

The correlation coefficient for the data in the table was found to be 0.93.

The correct option is A.

<h3>What is the correlation coefficient?</h3>

The correlation coefficient focuses on the linear relationship between two variables.

Given

The first column is labeled time spent at the dentist (in hours) with entries 1.4, 2.7, 0.75, 1.6.

The second column is labeled bill amount (in dollars) with entries 235, 867, 156, 215.

The numbers between -1 and 1 should be one of the values related to the bill.

Taking the independent variable or input variable as, the time a patient spends at the dentist and the dependent variable or output variable as the amount of the bill.

Hence, The correlation coefficient for the data in the table was found to be 0.93.

To know more about correlation coefficient click the link given below.

brainly.com/question/26197675

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Hunter-Best [27]

Answer:

86.53

Step-by-step explanation:

Area of Triangle Formula: A = 1/2bh

Pythagorean Theorem: a² + b² = c²

Step 1: Draw altitude and label numbers

If we draw a line down the middle, we can see that we get a perpendicular bisector and that we get 2 right triangles with a hypotenuse of 29 and a leg of 3. We need to find <em>h</em> using Pythagorean Theorem in order to use area formula:

3² + b² = 29²

b² = 29² - 3²

b = √832 = h

Step 2: Plug in known variables into area formula:

A = 1/2(√832)(6)

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A = 86.5332

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3 years ago
Missing product homework 9x2=i<br>i=
FrozenT [24]

Answer:

the answer is 19

Step-by-step explanation:

you have to multiply the two numbers

8 0
3 years ago
HEEEEEEEEEEEEELLLLLLLLLLPPPPPPPPPP
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The answer is B, 5/6, because when you multiply 4 by 5 it is 20, and when you multiply 5 by 6, you get 30, so 20/30. And, 20/30=2/3. I hope I answered your question!
4 0
3 years ago
Peter borrowed a sum of R12 850.00 at the beginning of a year with a certain simple interest rate. After 14 quarters, in a diffe
ladessa [460]

The original annual simple interest rate, rounded to two decimal places, is 3.79%

What is the formula for simple interest?

The simple interest on a loan or deposit is determined as the principal multiplied by the simple interest rate and time

I=PRT

The first loan:

P=12 850.00

R=r(assume it is r)

T=4 years

I=12 850.00*r*4

I=51400r

The second loan was taken after 14 quarters the first was taken out, which is the same as after 3.5 years, hence, the interest on the second loan is only for a half a year

P=3 273.00

R=0.5r( half of the interest on the first loan)

T=0.5 years

I=3 273.00*0.5r*0.5

I= 818.25r

Total interest=51400r+818.25r

Total interest=52218.25r

total interest paid=1 980.00

1 980.00=52218.25r

r=1 980.00/52218.25

r=3.79%

Find out more about simple interest on: brainly.com/question/1115815

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5 0
2 years ago
-3x + 7x-8 = 34 + 9x - 2
zvonat [6]

Answer:

-8

Step-by-step explanation:

First combine like terms:

4x-8=32+9x

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8 0
3 years ago
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