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MaRussiya [10]
3 years ago
15

Find the values ofx and y.

Mathematics
1 answer:
Kitty [74]3 years ago
3 0
Where do we find the answer from?
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Solve the following equation, using the Bhaskara formula: x² - 5x + 6 = 0
kramer

    x^2-5x+6=0

    x=\frac{-(-5)\pm\sqrt{(-5)^2-4\times1\times6}}{2\times1}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{25-4\times6}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{25-24}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm\sqrt{1}}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5\pm1}{2}\Leftrightarrow

\Leftrightarrow x=\frac{5-1}{2}\;\;\;\vee\;\;\;x=\frac{5+1}{2}\Leftrightarrow

\Leftrightarrow x=\frac{4}{2}\;\;\;\vee\;\;\;x=\frac{6}{2}\Leftrightarrow

\Leftrightarrow x=2\;\;\;\vee\;\;\;x=3

Answer:  x\in\{2\;;\;3\}

4 0
3 years ago
Read 2 more answers
Solve the equation -3=8x−4y for yy.
Rama09 [41]
-3=4x-4y
-4x-3=-4y
x-.75=y 
6 0
3 years ago
Solve the equation for x.​
Ghella [55]

Answer:

- x/10 = 9

multiply by 10 on both sides

-x = 90

divided by -1 on both sides

x = -90

6 0
2 years ago
((Image Included))
Bas_tet [7]

Answer:

=204.13 inches.

Step-by-step explanation:

Using the side x, we can use sine to find the hypotenuse of the triangle with the angle marked 30°.

Sin 30 =x/hypotenuse.

sin 30 = 27/hyp

hyp= 27/sin 30

=54 inches

We can also find the adjacent as follows.

Cos 30 = adjacent/ 54

Adjacent= 54 cos 30

=46.77 inches

Using the angles marked 45 we can find the hypotenuse of the isosceles triangle.

sin 45= x/hypotenuse

sin 45 =27/hypotenuse

hypotenuse = 27/sin 45

=38.18 inches

The hypotenuse of both the triangles making the isosceles triangle are 38.18 inches long.

Perimeter = 54+ 46.77+27+ 38.18+38.18

=204.13 inches.

6 0
2 years ago
Read 2 more answers
The sales tax for a certain state can be found by multiplying the purchase price by . What is the sales tax on an item that is $
Tamiku [17]
Ok any more details or is that the question?
6 0
2 years ago
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