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Tom [10]
3 years ago
14

HELP!! Given the following functions, f(x)=2x²-1 and g(x)=x+3 , find the following and state the domain:

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0

Answer:

jfjufurjfjfjririutkf

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Given parallelogram MNOP, MA = x + 5, AO = y + 2, PA = 3x and AN = 2y
erma4kov [3.2K]

Answer:

The values of x and y are x = 6 and y = 9

Step-by-step explanation:

MNOP is a parallelogram its diagonal MO and PN intersected at point A

In any parallelogram diagonals:

  • Bisect each other
  • Meet each other at their mid-point

In parallelogram MNOP

∵ MO and NP are its diagonal

∵ MO intersect NP at point A

- Point A is the mid-point pf them

∴ MO and NP bisect each other

∴ MA = AO

∴ PA = AN

∵ MA = x + 5

∵ AO = y + 2

- Equate them

∴ x + 5 = y + 2 ⇒ (1)

∵ PA = 3x

∵ AN = 2y

- Equate them

∴ 2y = 3x

- Divide both sides by 2

∴ y = 1.5x ⇒ (2)

Now we have a system of equations to solve it

Substitute y in equation (1) by equation (2)

∴ x + 5 = 1.5x + 2

- Subtract 1.5x from both sides

∴ - 0.5x + 5 = 2

- Subtract 5 from both sides

∴ - 0.5x = -3

- Divide both sides by - 0.5

∴ x = 6

- Substitute the value of x in equation (2) to find y

∵ y = 1.5(6)

∴ y = 9

The values of x and y are x = 6 and y = 9

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3 years ago
If 7 key chains cost $55.65, then 12 key chains cost $
Nimfa-mama [501]
Divide $55.65 by 7 to get the cost of 1 key chain ($7.95). Then multiply the cost of 1 by 12 and get $95.40
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What is the value of 4/15 divided by 2/3
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Answer:

0.5

Step-by-step explanation:

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Soloha48 [4]
Answer: 1682

(45 x 36) + 62
1620 + 62 = 1682


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Simplify (6ab3c)(-abc2).
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Sorry, I know it's a little late.The answer is -6a^2 b^4 c^3
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3 years ago
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