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madam [21]
3 years ago
5

Classify the following triangle.

Mathematics
2 answers:
PtichkaEL [24]3 years ago
7 0

Answer:

Isosceles obtuse Triangle

Leno4ka [110]3 years ago
5 0
Isosceles obtuse triangle

Explanation:
Isosceles - all sides are different lengths
Obtuse - angle over 90 degrees but under 189 degrees
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Hi can u help please thanks
faltersainse [42]

The first one is the answer/

8 0
3 years ago
a professor must randomly select 4 students to participate in a mock debate. There are 20 students in his class. In how many dif
Feliz [49]
If the order doesn't matter the it's
C(20,4)=\dfrac{20!}{4!16!}=\dfrac{17\cdot18\cdot19\cdot20}{2\cdot3\cdot4}=4845
6 0
3 years ago
Read 2 more answers
12.4. Measure of Dispersion<br>2076 Q.No. 15 Find the standard deviation of: 4, 6, 8, 10, 12.​
Alenkinab [10]

Answer:

Standard deviation of given data = 3.16227

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given sample size 'n' = 5

Given data  4, 6,8,10,12

Mean = \frac{4+6+8+10+12}{5} = 8

Mean of the sample x⁻ = 8

Standard deviation of the sample

                  S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}

<u><em>Step(ii)</em></u>:-

Given data

x          :         4      6       8       10      12

x-x⁻      :      4 - 8   6-8   8-8    10-8    12-8

(x-x⁻)   :        -4      -2     0          2        4

(x-x⁻)²  :        16     4       0         4        16  

 

  S.D = \sqrt{\frac{Sum(x-x^{-} )^{2} }{n-1}}

  S.D = \sqrt{\frac{16+4+0+4+16}{4}}

 S.D = √10 = 3.16227

<u><em> Final answer</em></u>:-

The standard deviation = 3.16227

8 0
2 years ago
Write the equation of the line thay passes through the point (2,-1) and has a slope of -3​
disa [49]

Answer:

Y = -3x - 1

Step-by-step explanation:

Y= mx + b

M is the slope

Y is the y intercept

3 0
3 years ago
This one might not look familiar yet, but it's very similar to the distance problems you've already seen.
Debora [2.8K]

Answer:

176.

Step-by-step explanation:

5 0
2 years ago
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