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4 years ago

14

What makes up the biosphere?

1 answer:

algol [13]4 years ago

6 0

Composed of the parts of the earth where life exists. It includes the dark enviroment of the oceans deep trenches,the rainforests and high mountaintops. Bacteria,protozoa and up to 30 million species of animals, plants and fungi are included in the biosphere.

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12 pts needing help with this physics question

miskamm [114]

Answer:

the second one i believe. (the water exerts an external force on the fish in the opposite direction, pushing the fish forward.)

Explanation:

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3 years ago

What is each end of magnet A called?

leonid [27]

Answer: The ends of a magnet are called the poles. Each magnet has a north pole and south pole.

$\textit{\textbf{Spymore}}$

4 0

3 years ago

Read 2 more answers

What factor has the greatest impact on flexibility?

hjlf

That would be c. :) :) :)

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3 years ago

Which object has the greatest inertia? *

____ [38]

One with greater mass (8kg)

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4 years ago

Read 2 more answers

A furniture shop refinishes chairs. Employees use one of two methods to refinish each chair. Method I takes 0.5 hours and the ma

satela [25.4K]

Answer:

method I = 88 chairs

method II = 62 chairs

Explanation:

This problem can be modeled by a system of two linear equations.

Define x as the number of chairs refinished by method I and y by method II

The sum of hours spent on both methods should equal 199 and the sum of total material cost should equal $1226, therefore:

$0.5x + 2.5y = 199$

$9x+7y = 1226$

Multiplying the first equation by -18 and adding it to the second equation we can solve for the value of y:

$9x+7y +(-9x - 45)= 1226+(-3582)\\y=\frac{2356}{38} = 62\\$

We can now apply the value of y found to the first equation and solve for x:

$0.5x+2.5*62 = 199\\x=\frac{199 - (2.5*62)}{0.5} = 88$

Therefore, they should refinish 88 chairs with method I and 62 chairs with method II

4 0

3 years ago