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Sav [38]
3 years ago
12

Which set of line segments could create a right triangle?

Mathematics
1 answer:
Maslowich3 years ago
7 0
Its not d it  is b or a

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Let S represent the number of randomly selected adults in a community surveyed to find someone with a certain genetic trait.
baherus [9]
The answer is: C (I took the test)
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3 years ago
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In a sale a clothes shop reduces its prices by 25% a shirt usually costs $34 how much it’s after the sale?
faltersainse [42]

Answer:

$25.5

Step-by-step explanation:

7 0
4 years ago
1) Write an equation for the line.
ValentinkaMS [17]

Answer:

1) y = (-13/6)x + (37/3)

2) -⅔

3) negative

Step-by-step explanation:

1) slope = (1.5-8)/(5-2) = -13/6

y = (-13/6)x + c

x = 2, y = 8

8 = (-13/6)(2) + c

c = 37/3

y = (-13/6)(6) + (37/3) = -⅔

2) y = (-13/6)x + (37/3)

3) since the slope is negative, the association between the variables is negative

4 0
4 years ago
Let <img src="https://tex.z-dn.net/?f=%5Calpha" id="TexFormula1" title="\alpha" alt="\alpha" align="absmiddle" class="latex-form
Margarita [4]

Answer:

|\alpha| = 2

Step-by-step explanation:

Since \alpha and \beta are complex conjugates, let's define them as follows:

\alpha = a+bi

\beta = a-bi

\frac{\alpha}{\beta^2}=\frac{a+bi}{a^2-b^2-2abi} =\frac{(a+bi)*(a^2-b^2+2abi)}{(a^2-b^2-2abi)*(a^2-b^2+2abi)} =\frac{a^3-3ab^2+(3a^2b-b^3)i}{a^4+2a^2b^2+b^4}

Since \frac{\alpha}{\beta^2} is a real number, complex part of above result must be zero.

3a^2b-b^3=0

From to hold above equality, b=0 or b^2=3a^2.

However, since |\alpha-\beta|=2\sqrt 3, b\neq 0

So, b =\sqrt 3 a or b =-\sqrt 3 a

And since \alpha and \beta are complex conjugates, taking plus or minus sign as found above will not affect the result, so let's write the last version of \alpha and \beta as follows:

\alpha = a+\sqrt 3 ai

\beta = a-\sqrt 3 ai

Since |\alpha-\beta|=2\sqrt 3

|a+\sqrt 3 ai-a+\sqrt 3 ai|=2\sqrt 3 ⇒ a = 1

Finally, \alpha = 1+\sqrt 3 i ⇒ |\alpha| = \sqrt{(1^2+\sqrt 3^2)}=2

3 0
3 years ago
The integer that represents 30 degrees below zero
fredd [130]

Answer:

-30?

Step-by-step explanation:


7 0
3 years ago
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