3 years ago

Find the difference 9/3x - 4/2x^2

Mathematics

1 answer:

anastassius [24]3 years ago

6 0

Answer:

its A

Step-by-step explanation:

9/3 - 4/2 is 1. and then x-x^2 is x so its 1/x

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What is the midpoint between -2-3i and 3+9i

Svetlanka [38]

Answer:

1/2 + 3i is the midpoint between -2-3i and 3+9i.

Step-by-step explanation:

Given the complex number

-2-3i

3+9i

The formula to find the midpoint of two complex number (a + bi) and (c + di) is:

$M=\frac{\left(a+c\right)}{2}+\frac{\left(b+d\right)i}{2}$

$M=\frac{\left(-2+3\right)}{2}+\frac{\left(-3+\left(9\right)\right)i}{2}$

$M=\frac{-2+3+\left(-3+9\right)i}{2}$

$M=\frac{1+6i}{2}$

$M=\frac{1}{2}+3i$

Therefore, 1/2 + 3i is the midpoint between -2-3i and 3+9i.

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3 years ago

Find ,H assuming the triangles formed are similar.

Murljashka [212]

Answer:

Step-by-step explanation:

if you divide 20 by 8, then you get 2.5. multiply that by six, and you get your answer.

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3 years ago

Find the total cost of 5 bales of hay at $2.75 per bale and 2 bags of potatoes at $2.90 per bag.

Elan Coil [88]

Answer: $19.55

Step-by-step explanation:

2.75 * 5 = 13.75.
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ElenaW [278]

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Step-by-step explanation:

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Alexxandr [17]

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