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Bogdan [553]
3 years ago
13

Can you find the mean for these two questions:

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

1) Mean Absolute Deviation = 1.75


2) Mean = 244

lisabon 2012 [21]3 years ago
4 0
1: 5
2: 244

To find the mean add up all the numbers so
: 2+2+5+6+8+4+8+5=40. The divide by the amount of numbers there are 8 numbers so 40/8=5.
To find the median just put the numbers in order
131,154,204,207,244,244,263,274,276,288,289
then cross them out until your in the middle
 So 244
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5x+3y&gt;_ 9 <br> ^<br> This sign is supposed to be greater than Or equal to. Sorry.
Andre45 [30]
It’s saying the equation is going to be equal to.

HOPE THIS HELPS
5 0
3 years ago
Somebody please help! And show your work!
VARVARA [1.3K]

a= 34 degrees

b= 28 degrees

c= 62 degrees

Step-by-step explanation:

First you know that b is 1/2 of 56 degrees or 28.

The triangle with the a in it is isoceles because the two sides are both radii.

In the triangle the top angle = 112 because it is a centeral angle to the 112 arc.

Angle a and opposite to a are equal and then have to be 34 degrees to equal 180.

We know two arc lengths are 112 and 56 and the one with angle a has to be 34x2 or 68.

a whole circle equals 360.

360-56-68-112 = 124

Angle c = 1/2 of 124, or 62 degrees

6 0
3 years ago
Using the given points and line, determine the slope of the line. (-3, 0) and (2, 7)
Nuetrik [128]

Slope for (x₁, y₁) and (x₂, y₂):      (-3, 0) and (2, 7)

Slope:      (y₂ -y₁) / (x₂ -x₁)

Slope:      ( 7 - 0) / (2 - -3)  =  7/(2 + 3) 

<span>Slope    = 7/5
</span>
4 0
2 years ago
What is the best estimate of the sum of the fractions? StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction
sergey [27]

Answer:

The answer is B

Step-by-step explanation:

none

3 0
3 years ago
Read 2 more answers
Find the surface area of a pyramid with a square base with dimensions 100 mm by 100 mm and height of 75 mm.
Reil [10]

To solve for the surface area of the pyramid, we make use of the formula:

A= l w + l [sqrt ((w / 2)^2 + h^2)] + w [sqrt ((l / 2)^2 + h^2))

where,

l and w are the base of the pyramid = 100 mm

h is the height of the pyramid = 75 mm

 

Substituting the given values into the equation:

A= 100 * 100 + 100 [sqrt ((100 / 2)^2 + 75^2)] + 100 [sqrt ((100 / 2)^2 + 75^2))

A = 10,000 + 100 (sqrt 2575) + 100 (sqrt 2575)

A = 20,148.90 mm^2

 

Therefore the surface area of the pyramid is about 20,149 mm^2.

8 0
3 years ago
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