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svetlana [45]
2 years ago
14

Add 3x^2-5+1 +2x^2+9x-6

Mathematics
1 answer:
konstantin123 [22]2 years ago
5 0

Answer:

5x² + 9x - 10

Step-by-step explanation:

To completely simplify this equation, add all like terms.

<u>3x²</u> <em>- 5 + 1</em> + <u>2x²</u> + 9x <em>- 6</em>

= 5x² + 9x - 10

hope this helps :)

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The markup of a computer is $3,237.50. The markup rate is 75%. What is the selling price?
Kaylis [27]

The applicable relation is

... selling price = cost + markup

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... markup = 0.75×cost

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Then the selling price is

... selling price = $4316.67 +$3237.50 = $7,554.17

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If the markup is 75% of the selling price, then we have

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5 0
3 years ago
Once you you know the length of YX, find the length of the lower base, ZX. 14 units 10 + 4 StartRoot 3 EndRoot units 18 units 10
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Given:

Consider the below figure attached with this equation.

To find:

Length of side ZX.

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From the figure it is clear that, WXY is a right angled triangle.

According the 30°-60°-90° theorem, the longer leg (opposite to 60° angle) of the right-angled triangle is \sqrt{3} times of shorter leg (opposite to 30° angle).

In the below figure, WY is longer leg and XY is shorter leg.

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3 years ago
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