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Degger [83]
3 years ago
10

How to solve this equation involving radicals. 8x(x – 6)1/2 + 4(x – 6)3/2 = 0

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0
8x(x - 6)1/2 + 4(x - 6)3/2 = 0
8x(x) - 8x(6)1/2 + 4(x) - 4(6)3/2 = 0
8x² - 48x(1/2) + 4x - 24(3/2) = 0
8x² - 24x + 4x - 36 = 0
8x² - 20x - 36 = 0
x = <u>-(-20) +/- √((-20²) - 4(8)(-36))</u>
                        2(8)
x = <u>20 +/- √(400 + 1152)</u>
                  16
x =<u> 20 +/- √1552</u>
             16
x = <u>20 +/- √(16 × 97)</u>
                16
x = <u>20 +/- √16 √97
</u>               16<u>
</u>x = <u>20 +/- 4 √97
</u>              16
x = <u>20 +/- 4(9.848857802)</u>
                     16
x = <u>20 +/- 39.39543121</u>
                    16
x = <u>20 + 39.39543121</u>        x = <u>20 - 39.39543121</u>
                  16                                        16
x = <u>59.39543121</u>                x = <u>-19.39543121</u>
              16                                         16
x = 3.71221445                  x = -1.212214451
<u />
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Does anyone know how to do this please help me
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Answer:

162°

Step-by-step explanation:

a circle has 360°, or the angle of a whole circle is that

so 45% of 360 =

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3 years ago
Simplify 7-5x-(3+5x)​
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Step-by-step explanation:

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Given: F(x) = x + 2 and G(x) = 3x + 5<br><br> (F*G) (x) =
vovangra [49]

Answer:

\boxed{(f \times g)(x) = 3 {x}^{2}  + 11x + 10}

Given:

f(x) =  x + 2 \\  \\ g(x) =  3x + 5

To Find:

(f \times g)(x) = f(x) \times g(x)

Step-by-step explanation:

=  > f(x) \times g(x) = (x + 2)( 3x + 5) \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   =x( 3x + 5) + 2(3x + 5)  \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   =3 {x}^{2}  + 5x + 6x + 10\\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   =3 {x}^{2}  + 11x + 10

5 0
3 years ago
Read 2 more answers
: Santiago realizó los siguientes movimientos en su Cuenta bancaria: el lunes consignó $300.000, el martes retiró $120.000, el m
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Answer:

Step-by-step explanation:

Los movimientos bancarios de Santiago se representan matemáticamente teniendo en cuenta que consignar es sumar y retirar el restar. Por lo tanto podes expresar los movimientos bancarios de la siguiente manera:

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Al realizar la sumatoria se obtiene:

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En la semana Santiago obtiene en su cuenta bancaria $165.000

8 0
2 years ago
Can someone help me​
Elodia [21]

Answer:

Its a i just took the test

Step-by-step explanation:

7 0
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