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ahrayia [7]
3 years ago
5

Simplify equation please

Mathematics
1 answer:
Scrat [10]3 years ago
4 0
The answer is 4 answer 4
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A regular regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm. What is the area of the pentagon, rounded t
lana [24]

Answer:

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Step-by-step explanation:


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3 years ago
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a pet store has 2 kittens. one kitten weighs 15/16 pounds. the other kitten weighs 12/16 pounds. what is the difference of the w
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5 0
3 years ago
Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x -5 = 0 x - 5 = 9x +
Tpy6a [65]

Answer:

7x2 + 14x = 0

x2 + 3x -5 = 0

x2 - x = 3x + 7  

Step-by-step explanation:

A quadratic equation has the highest power of x to the second power.  It must have x to the second power

7x2 + 14x = 0  quadratic

x3 - 3x2 + 1 = 0   not quadratic  but cubic

5x - 7 = 0  not quadratic  but linear

x2 + 3x -5 = 0   quadratic

x - 5 = 9x + 7  not quadratic but linear

x2 - x = 3x + 7  quadratic

4 0
2 years ago
The longer leg of a 30-60-90 degree triangle is 18 what is the length of the other leg
elixir [45]

Answer:

Step-by-step explanation:

Longer side =18

side opposite to 30=18/2=9

third side=√(18²-9²)=9√3

8 0
3 years ago
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