Find the mean, median, mode, and range of this data : 49,49,54,55,52,49,55.

2 answers:

7 0

Mean: 315.8
median : Put the numbers in order from smallest to largest and the middle number is the answer.
Mode: 49
Range:6

ANEK [815]3 years ago

7 0

The mean rounded to the tenths is 51.9

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Yanka [14]

So first you would divide 1950/6 to find the amount for one year of their age.
Then you would multiply that by the ages, which should get you 4 numbers, then you all those numbers together. Try 9750.

3 0

3 years ago

What is the solution set of the equation 6/m +2= m+3/m−1 ?

laiz [17]

Answer:

m = (-3, 2) x = (-1)

Step-by-step explanation:

Just took this K12 test.

5 0

3 years ago

What’s pemdas and how do we use it ?

Gwar [14]

Answer:

pemdas is an order of operation

Step-by-step explanation:

PEMDAS STANDS FOR parentheis, exponents, multiplication, division, addition, and subtraction. it is the order of how you should solve multi step equations EXAMPLE: 1+2x2 FIRST you have to multiply the 2x2 because multiplication comes first in PEMDAS, then you do the addition so 2x2=4+1=5

3 0

3 years ago

HELP FAST PLEASE!!!

Alisiya [41]

Answer:

$y = -0.75x + 9.5$

Step-by-step explanation:

Equation of a circle is given as :

$(x-a)^{2} + (y-b)^2 = r^{2} \\(x-6)^{2} + (y-5)^2 = 4^{2}\\x^{2} - 12x + 36 + y^{2} -10y + 25 = 16\\x^{2} - 12x + y^{2} -10y + 45 = 0\\$

Take the derivative of the above with respect to x

$2x - 12 + 2y dy/dx - 10 dy/dy = 0\\\frac{dx}{dy} = \frac{6 - x}{y-5} \\At (2,8) dy/dx = (6-2)/(8-5) = 4/3\\dy/dx = 4/3\\The slope of the tangent to the circle, m = \frac{-1}{dy/dx} \\m = \frac{-1}{4/3}\\m= -0.75$