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tia_tia [17]
2 years ago
7

In the figure below, what is the measure of angle x

Mathematics
1 answer:
Pie2 years ago
8 0

Check the picture below.

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What is the surface area of the regular pyramid below? I’ll would be helpful if you guys list down the steps !
meriva

Answer:

The answer to your question is A = 648 u²

Step-by-step explanation:

I attach the solution because it said that I was writing improper words.

6 0
3 years ago
Find a quadratic polynomial with integer coefficients which has x = 2/9, ± SQRT23/9 as its real zeros.
melomori [17]

Answer:

The quadratic polynomial with integer coefficients is y = 81\cdot x^{2}-36\cdot x -19.

Step-by-step explanation:

Statement is incorrectly written. Correct form is described below:

<em>Find a quadratic polynomial with integer coefficients which has the following real zeros: </em>x = \frac{2}{9}\pm \frac{\sqrt{23}}{9}<em>. </em>

Let be r_{1} = \frac{2}{9}+\frac{\sqrt{23}}{9} and r_{2} = \frac{2}{9}-\frac{\sqrt{23}}{9} roots of the quadratic function. By Algebra we know that:

y = (x-r_{1})\cdot (x-r_{2}) = x^{2}-(r_{1}+r_{2})\cdot x +r_{1}\cdot r_{2} (1)

Then, the quadratic polynomial is:

y = x^{2}-\frac{4}{9}\cdot x -\frac{19}{81}

y = 81\cdot x^{2}-36\cdot x -19

The quadratic polynomial with integer coefficients is y = 81\cdot x^{2}-36\cdot x -19.

5 0
3 years ago
Is this relations a function? Justify your answer. ​
n200080 [17]

Answer:

A

Step-by-step explanation:

There need to be more matching points, but there aren't, therefore, its A

4 0
3 years ago
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Help!!! Which of the following situations dose not have the same unit rate as the graph shown
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Answer: i have no idea, but i wish you the best!!!! ;)

Step-by-step explanation:

7 0
2 years ago
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I need help with this please
enyata [817]

Answer:¿Qué es lo contrario de estos estadistas?

Step-by-step explanation:

What is the opposite of these statesment

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