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2 years ago

Please help me with question 8

Mathematics

1 answer:

Allushta [10]2 years ago

5 0

Answer:

$\red{ \rule{1pt}{500000pt}}$ $\red{ \rule{1pt}{500000pt}}$

Step-by-step explanation:

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An airplane is at 32,000 feet above sea level

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Answer:

is that the question because I'm not sure

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3 years ago

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Round 20.92 to the nearest ten

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Answer:

20.9

Step-by-step explanation:

20.93

=20.9

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3 years ago

F(x) = x2 – 3x + 18 What is the discriminant of f

Setler [38]

Answer:

-63

Step-by-step explanation:

To find the discriminant, you just need to apply the square root part of the quadratic formula:

Sqrt (b^2 - 4ac)

Sqrt (9 - 4 x 1 x 18)

Sqrt (-63)

The number inside of the square root would be the discriminant.

A negative discriminant means that the quadratic would result in imaginary solutions.

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3 years ago

Geometry

xenn [34]

Answer: 58 feet

Step-by-step explanation:

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3 years ago

The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain riv

Gelneren [198K]

Answer:

$v_2 \approx 1.12246\ m.s^{-1}$

$v_{10}\approx 1.4678\ m.s^{-1}$

$v_{100}\approx 1.4678\ m.s^{-1}$

Step-by-step explanation:

Mass of particles that a river can transport, $m\propto\ v^6$

where:

v = velocity of river flow

When $v=1\ m.s$

then the mass transported, $m \propto 1^6$

When mass is twice:

$v=\sqrt[6]{2}$

$v_2 \approx 1.12246\ m.s^{-1}$

When mass is 10 times:

$v=\sqrt[6]{10}$

$v_{10}\approx 1.4678\ m.s^{-1}$

When mass is 100 times:

$v=\sqrt[6]{100}$

$v_{100}\approx 1.4678\ m.s^{-1}$

7 0

3 years ago