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Brilliant_brown [7]
3 years ago
13

X^2+6x-15=0 solve by completing the square

Mathematics
1 answer:
IgorC [24]3 years ago
8 0

Answer:

x=-3+2\sqrt{6}  , x=-3-2\sqrt{6}

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A hemispherical tank is filled with water and has a diameter of 15 feet. If water weighs 62.4 pounds per cubic foot, what is the
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Answer:

55135 lbs (rounded to the nearest pound)

Step-by-step explanation:

​diameter of tank = 15 ft

Radius = 15/2 =7.5

volume of hemisphere = 2/3 ×π× 7.5³=883.5729

total weight of water = 62.4 × 883.57 = 55134.768

55134.768 rounded to the nearest pound is 55135 lb

♥ Hope this helped ♥

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3 years ago
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The most popular items at a bakery are its raspberry scones and its lemon poppy
Leno4ka [110]

The system r+l = 46 and 15r + 9l = 396 can be used to determine the number of raspberries boxes and lemon seed boxes sold.

Step-by-step explanation:

Given,

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Total boxes sold = 46

Total revenue generated = $396

Let,

r represent the number of raspberries sold

l represent the number of lemon seeds sold

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r+l = 46    Eqn 1

15r + 9l = 396    Eqn 2

The system r+l = 46 and 15r + 9l = 396 can be used to determine the number of raspberries boxes and lemon seed boxes sold.

7 0
3 years ago
In orchestra the ratio of tampons to Viola‘s is 1 to 3.
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Answer:

If the ratio is 1:3 and there are 9 violas, all you have to do is multiply 9 × 3 to get 27.

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3 years ago
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