3 years ago

What number must you add to complete the square for x^2 + 4x = 15 ?

Mathematics

1 answer:

snow_lady [41]3 years ago

8 0

Answer: 4

Step-by-step explanation: Apex answer I just took the test.

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rosijanka [135]

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2 years ago

An aquarium measures 61 cm long, 30.5 cm wide, and 30.5 cm high.If the tank is only filled to 80% capacity with water, how much

LiRa [457]

Answer:

$V=45396.2\ cm^3$

Step-by-step explanation:

Given that,

The dimensions of an aquarium are 61 cm long, 30.5 cm wide, and 30.5 cm high.

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We need to find the water needed for this tank.

The volume of cuboid is given by :

$V=lbh$

As it is filled to 80% capacity, so,

$V=\dfrac{80}{100}\times lbh\\\\=0.8\times 61\times 30.5\times 30.5\\\\V=45396.2\ cm^3$

So, $45396.2\ cm^3$ of water is needed for this tank.

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2 years ago

What is negative 5 squared?

fiasKO [112]

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3 years ago

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BabaBlast [244]

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Step-by-step explanation:

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