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4 years ago

What is the greatest common factor of 35y^4, 14y^4, and 63y^4 ?

Mathematics

1 answer:

andrezito [222]4 years ago

8 0

Answer:

7y^4

Step-by-step explanation:

35y^4 = 5*7*yyyy

14y^4 = 2*7*yyyy

63y^4= 3*3*7*yyyy

The common factors are 7*yyyy = 7y^4

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4 years ago

Simplify completely quantity 4 x squared minus 7 x plus 3 all over x squared plus 5 x minus 6. quantity 4 x plus 1 over quantity

irinina [24]

Answer:

The answer is (4x - 3)/(x + 6)

Step-by-step explanation:

∵ (4x² - 7x + 3)/(x² + 5x - 6)

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4x² - 7x + 3 = (4x - 3)(x - 1)

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3 years ago

Two planes, A and B, start from the same place and move in different directions, making an angle of 50º between them. The speed

cluponka [151]

Answer: The distance between them is 230.65 miles.

Step-by-step explanation:

Since we have given that

Speed of plane A (b) = 200 miles per hour

Speed of plane B (c) = 300 miles per hour

Angle between them = 50°

So,

We will use the "Cosine formula", we get

$a^2=b^2+c^2-2bc\cos A\\\\a^2=200^2+300^2-2\times 200\times 300\cos 50\textdegree\\\\a^2=40000+90000-120000\cos 50\textdegree\\\\a^2=130000-120000\times 0.64\\\\a^2=130000-76800\\\\a^2=53200\\\\a=\sqrt{53200}\\\\a=230.65\ miles\ per\ hour$

So, distance between the two planes after one hour will be

$Distance=\frac{Speed}{time}=\frac{230.65}{1}=230.65\ miles$

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4 years ago

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