2 years ago

-x = 2y + 1 what is the answer

Mathematics

1 answer:

luda_lava [24]2 years ago

3 0

Answer:

y=-1/2x-1/2

Step-by-step explanation:

it is in slope intercept form

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3 years ago

What is the derivative of cosx

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-sinx + C
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3 years ago

Dashna paid a $20 fee for a booth at an art fair so she could sell her ceramic bowls. She will earn $10 for every ceramic bowl s

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Answer:

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3 years ago

30 kg of tomatoes cost $93. how much would 14 kg cost

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Answer:

$43.4

Step-by-step explanation:

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3 years ago

PLEASE HELP... VERY URGENT... WILL GIVE BRAINLIEST!!!

lakkis [162]

Answer:

Step-by-step explanation:

a) Pythagorean theorem,

altitude² + base² = hypotenuse²

h² + (w² - 1)² = (w² + 1)²

h² = (w² + 1)² - (w² - 1)²

{Compare with (a + b)² - (a -b)² = 4ab where a =w² & b = 1}

h² = 4*w²*1

h² = 4w²

$h=\sqrt{4w^{2}} = \sqrt{2*2*w*w} \\\\\\h = 2w$

b) Area of triangle = $\frac{1}{2}b*h$

$=\dfrac{1}{2}*(w^{2}-1) *2w\\\\= (w^{2}-1)*w = w^{2}*w - 1*w\\\\=w^{3}-w$

c) w =2

Area of triangle = 3w = 3*2 = 6

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2 years ago