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sveta [45]
3 years ago
11

Why are the soulution to the proportions 50/x = 10/20 and 10/50= 20/x

Mathematics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

Step-by-step explanation:

You should croos multiply to get 10x = 50 (20) which is 10x = 1000 then divide each side by 10. What do you get for x?

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Use the x-intercept method to find all real solutions of the equation. -9x^3-72x^2+36=3x^3+x^2-3x+8
larisa86 [58]

-9x^3-72x^2+36=3x^3+x^2-3x+8                     Add 9x^3 to both sides.

-72x^2 + 36 = 3x^3 + 9x^3 + x^2 - 3x + 8       Add 72x^2 to both sides

36 = 12x^3 +   73x^2 - 3x + 8                           Subtract 36 from both sides.

0 = 12x^3 + 73x^2 - 3x - 28      

It does factor, but it is not very nice.

(x + 6.06)(x - 6.09)(x + 0.632)

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8 0
3 years ago
Tim and Luke start a lawn-mowing business and buy a lawnmower for $325. They plan to charge $25 to mow one lawn. Which inequalit
bonufazy [111]

lawnmower = 325 USD

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5 0
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Ket [755]

Answer:

Option 4 is the right answer.

Step-by-step explanation:

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Which is the graph of g(x) = [x + 3]?
KiRa [710]

Answer:

(0,3)

..........................

8 0
3 years ago
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