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solmaris [256]
2 years ago
8

PLEASEE HELPPP! what is the measure of

Mathematics
1 answer:
Debora [2.8K]2 years ago
5 0

Answer:

x=12

Step-by-step explanation:

Im not sure which measure you're talking about, but I'll show you what I did here:

A triangle = 180 degrees.

4x + 8x + 4x =16x

-8 - 1 - 3 = -12

180 = 16x - 12        -Add 12 to both sides

192 = 16x               -divide by 16 to get x by itself

12 = x

Angle A = 88 degrees (8 times 12 then subtract 8)

Angle B = 47 degrees (4 times 12 then subtract 1)

Angle C = 45 degrees (4 times 12 then subtract 3)

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Required information Section 01.02 Exercise 14 - Effects of changing data values on mean, median, and standard deviation There a
Nutka1998 [239]

Answer:

  • Mean will Increase .
  • Median remains unchanged.
  • Standard deviation will increase.

Step-by-step explanation:

We are given that there are 14 employees in a particular division of a company and their salaries have a mean of $70,000, a median of $55,000, and a standard deviation of $20,000.

And also the largest number on the list is $100,000 but By accident, this number is changed to $1,000,000.

Now we have to analyse the Effect of this change in data values on mean, median, and standard deviation.

  • Mean will get affected because $1,000,000 is a very huge value as compared to $100,000 and is considered to be an outlier and we know that mean is affected by outliers as mean will change to $134285.7143 after replacing $100,000 with $1,000,000 .
  • Median will not get affected as median the middle most value in the data set and since $1,000,000 is considered to be an outlier so median remain unchanged at $55,000 .
  • Standard Deviation will also get affected as due to outlier value in the data set the numerator value will increase very much and due to which standard deviation will also increase.
5 0
3 years ago
When I double my number and add eight , I get my number plus twelve. What is my number?
Butoxors [25]
Your answer is 2 as if you double 2 you get 4 and add 8 oh get 12
8 0
3 years ago
If the perimeter of the following triangle is 7x-2, what is the length of the unknown side?
Alinara [238K]

7x-2-(3x-9)-(x+7)

=7x-2-3x+9-x-7

=7x-3x-x-2+9-7

=3x

4 0
3 years ago
Please help. Will be rewarded 20 points!
zalisa [80]

Answer:

$200

Step-by-step explanation:

2.5 % commission on sales

he sold 8000

his commission will be sales * 2.5%

commission = 8000 * .025

                     = 200

8 0
3 years ago
Read 2 more answers
In rectangle ABCD with side AD = 6 cm, point M is the midpoint of side
SpyIntel [72]
The triangle that is formed by AMB is a 45 45 90 triangle, so meaning the legs are equal. so in can be concluded that AD = MD, since M is the midpoint of CD, then CD = 2AD
CD = 2(6) = 12 cm

so the perimeter is of the rectangle ABCD is
P = 2l + 2w
P = 2(6) + 2(12)
P = 12 + 24
P = 26 cm
7 0
3 years ago
Read 2 more answers
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