2 years ago

Solve 9x² - 6x + 1 = 0 using the Quadratic Formula.

Mathematics

1 answer:

andrezito [222]2 years ago

7 0

Answer:1/3 i dont know if this is right i just kindly copied the guy on top

Step-by-step explanation:

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Help:) Factor f(x) = 4x^3+ 23x^2- 70x + 16 into linear factors given that - 8 is a zero of f(x).

Charra [1.4K]

Answer:

(x + 8)(x - 2)(4x - 1)

Step-by-step explanation:

Given that x = - 8 is a zero then (x + 8) is a factor

Divide f(x) by (x + 8) using Synthetic division

- 8 | 4 23 - 70 16

↓ - 32 72 - 16

---------------------------------

4 - 9 2 0

Quotient = 4x² - 9x + 2 = (x - 2)(4x - 1)

Thus

f(x) = (x + 8)(x - 2)(4x - 1)

8 0

3 years ago

An angle of 90° measures (___) Pi radians.<br><br>An angle of -pi/5 radians measures ____?<br><br>°.

a_sh-v [17]

$\huge \bf༆ Answer ༄$

Conversion from degree to radian ~

$\boxed{ \sf{ \frac{\pi}{180} \times \theta }}$

$\sf \dfrac{\pi}{180 } \times 90$

$\sf \dfrac{\pi}{2} \: \: rad$

Conversion from radians to degree ~

$\boxed{ \sf{ \frac{180}{\pi} \times \theta}}$

$\sf \dfrac{180}{\pi} \times - \dfrac{ \pi}{5}$

$\sf - 36 \degree$

4 0

2 years ago

Find the area of the rectangle

Jobisdone [24]

Answer:

19 1/2

Step-by-step explanation:

7 0

2 years ago

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Simplify (7^5)^3 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

AVprozaik [17]

Answer:

4747561509943

5 0

3 years ago

Set up a proportion do so for X in the following similar triangles

NISA [10]

Answer:

x = 64

Step-by-step explanation:

The triangles are similar, so we'll set up a proportion:

=> $\frac{2}{15} =\frac{8}{x-4}$

Cross Multiplying

=> 2(x-4) = 15 x 8

=> 2x-8 = 120

=> 2x = 120+8

=> 2x = 128

Dividing both sides by 2

=> x = 64

7 0

2 years ago