3 years ago

Solve for x. -x/3 = 2

Mathematics

1 answer:

jonny [76]3 years ago

5 0

X=-6 because yes and yes...NANI?!

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1.(8x+3)(4x-5) 2.(10x-2)(3x+6) please show your work will mark brainliest

ANEK [815]

Answer:

32x^2 - 28x - 15

30x^2 + 54x - 12

Step-by-step explanation:

(8x+3)(4x-5)

Using FOIL

= (8x)(4x) + (8x)(-5) + (3)(4x) + (3)(-5)

= 32x^2 - 40x + 12x - 15

= 32x^2 - 28x - 15

(10x-2)(3x+6)

Using FOIL

= (10x)(3x) + (10x)(6) + (-2)(3x) + (-2)(6)

= 30x^2 + 60x - 6x - 12

= 30x^2 + 54x - 12

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3 years ago

Which of the following is a nonlinear function?

Troyanec [42]

i think its C im half of one hundered % sure its that

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3 years ago

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juin [17]

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2 years ago

If sec theta = - √30 / 3, find cos theta.<br> if sin(-theta) = -0.97, find cos (π/2 - theta).

Cloud [144]

Step-by-step explanation:

$\cos \theta = \frac{1}{ \sec\theta } = - \frac{3}{ \sqrt{30} } = - \frac{3 \sqrt{30} }{30} = - \frac{ \sqrt{30} }{10}$

$\cos( \frac{\pi}{2} - \theta )= \cos \frac{\pi}{2} \cos \theta + \sin \frac{\pi}{2} \sin \theta$

Note that

$\sin( - \theta) = - \sin \theta$

$\cos \frac{\pi}{2} = 0 \: \: \: \: \: \sin \frac{\pi}{2} = 1$

Therefore,

$\cos( \frac{\pi}{2} - \theta ) = 0.97$

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3 years ago

Find the slope of the line using the ordered pairs (-1, -3/4) and (4, -3)

wel

Answer:

- 2.25/3

Step-by-step explanation:

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3 years ago

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