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Bogdan [553]
3 years ago
11

1. is acute. 2. is isosceles. 3. is right. Which two statements contradict each other?

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0
1. is acute. 2. is isosceles. 3. is right. Which two statements contradict each other?
1. An acute triangle is a triangle with each angles acute it mean less than 90°.3. If The triangle is right, it mean one of angle equal 90 degree.
So ,1 and 3 at's impossible.
1 and 2 it's possible, for example equilateral triangle.
2 and 3 possible
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Answer both questions for seventeen points and i’ll name you brainliest!! Type the correct answer in each box. Use numerals inst
Elden [556K]

\bf -2(bx-5)=16\implies bx-5=\cfrac{16}{-2}\implies bx-5=-8\implies bx=-8+5 \\\\\\ bx=-3\implies \boxed{x=\cfrac{-3}{b}} \\\\[-0.35em] ~\dotfill\\\\ b=3\qquad \qquad x=\cfrac{-3}{\underset{b}{3}}\implies \boxed{b=-1}

4 0
3 years ago
A sample was done, collecting the data below. Calculate the standard deviation, to one decimal place.
Lilit [14]

Using it's formula, it is found that the standard deviation of the data-set is of 8.9.

<h3>How the standard deviation of a data-set is found?</h3>
  • The standard deviation of a data-set is given by the <u>square root of the sum of the differences squared between each observation and the mean, divided by the number of values</u>.
  • The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.

In this problem, the data-set is: {6, 7, 5, 22, 26}.

The mean is:

M = \frac{6 + 7 + 5 + 22 + 26}{5} = 13.2

Hence, the <em>standard deviation</em> is:

S = \sqrt{\frac{(6-13.2)^2+(7-13.2)^2+(5-13.2)^2+(22-13.2)^2+(26-13.2)^2}{5}} = 8.9

You can learn more about the standard deviation at brainly.com/question/12180602

4 0
3 years ago
7k − 5k + 8 = −4
Orlov [11]

Answer:

-6

Step-by-step explanation:

7k − 5k + 8 = −4

2k+8=-4

    -8  -8

2k=-12

/2   /2

k=-6

<u><em>Check!</em></u>

7(-6)-5(-6)+8

-4=-4

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Your answer would be b 


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How do you write and solve one step inequalities
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I honestly don't know I just want points


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