2 years ago

What are solutions to the equation 9x2-7x-4=0

Mathematics

1 answer:

11111nata11111 [884]2 years ago

3 0

Answer:

Step-by-step explanation:

x =(7-√193)/18=-0.383

x =(7+√193)/18= 1.161

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A cylindrical water tank has a radius of 6 feet and a height of 20 feet. A larger tank with the same height has a volume that is

likoan [24]

Answer:

Radius of large cylinder $= 10.39 feet\\$

Step-by-step explanation:

Volume of the larger tank is three times the volume of smaller tank

Volume of smaller tank

$= \pi r^{2} h\\= (3.14) * 6^{2} * 20\\= 2260.8 ft^{3} \\$

Volume of larger tank

$= 3 * 2260.8 ft^3\\= 6782.4 ft^3\\$

Or it can also be written as

$\pi r^{2} h = 6782.4 ft^3\\(3.14) * ( r^2) 20 = 6782.4 ft^3\\r^2 = 108\\r = 10.39$

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

divide the distance by the rate of speed

5/1=5

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2 years ago

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Which is the solution to the equation: 1/3 (9x+2)=4+2/3 (6x+4)

Ne4ueva [31]

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Step-by-step explanation:

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2 years ago

Complete the number sentence to make it true 54.609____54.69

lidiya [134]

Answer:

54.609 < 54.69

Step-by-step explanation:

54.69 is closer to a whole number than 54.609 making it the greater number

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