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larisa [96]
3 years ago
11

ok so im trying to pass and im starting to lose my mind i know its simple but i cant rember the steps

Mathematics
1 answer:
almond37 [142]3 years ago
7 0
First, we have to calculate for slope,
m = y2-y1 / x2-x1
m = -4 + 37 / 1 + 10
m = 33 /11
m = 3

Now, we know, y-y1 = m(x - x1)
y + 4 = 3(x - 1)
y + 4 = 3x - 3
y = 3x - 7

In short, Your Answer would be: y = 3x -7

Hope this helps!
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A small company that manufactures snowboards uses the relation below to model its profit. In the model,
amm1812

Answer:

a)   x₁ = 14

     x₂ = - 6

b) x = 4

c) P(max ) = 4000000 $

Step-by-step explanation:

To find the axis of symmetry we solve the equation

a) -4x² + 32x + 336 = 0

4x²  - 32x  - 336  = 0       or    x² - 8x - 84 = 0

x₁,₂ = [ -b ± √b² -4ac ]/2a

x₁,₂ = [ 8  ±√(64) + 336 ]/2

x₁,₂ = [ 8  ± √400 ]/2

x₁,₂ =( 8 ± 20 )/2

x₁  = 14

x₂ = -6

a) Axis of symmetry must go through the middle point between the roots

x = 4 is the axis of symmetry

c) P = -4x² + 32x + 336

Taking derivatives on both sides of the equation we get

P´(x) = - 8x + 32  ⇒  P´(x) = 0     - 8x + 32

x = 32/8

x = 4    Company has to sell  4 ( 4000 snowboard)

to get  a profit :

P = - 4*(4)² + 32*(4) + 336

P(max) = -64  + 128 + 336

P(max) = 400           or  400* 10000 =  4000000

     

8 0
3 years ago
(2a-3)(b-a)-3a(3a+b)
ozzi

Answer: -ab - 11a^2 - 3b + 3a

Step-by-step explanation:

i think this is what you're wanting? if not just comment what you need and i'll retry it!

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Answer:

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Step-by-step explanation:

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Percentile = (8 / 10) * 100%

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= 80%

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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