3 years ago

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/

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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
$C(20,4)=\dfrac{20!}{4!16!}=\dfrac{17\cdot18\cdot19\cdot20}{2\cdot3\cdot4}=4845$

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3 years ago

Read 2 more answers

12.4. Measure of Dispersion 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:

Step(i):-

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

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

Step(ii):-

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

Final answer:-

The standard deviation = 3.16227

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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

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3 years ago

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Answer:

176.

Step-by-step explanation:

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