4 years ago

Unit Test

Mathematics

1 answer:

natima [27]4 years ago

3 0

Answer:

The density approaches infinity.

Step-by-step explanation:

dont need explanation

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If the length of the shorter leg of a right triangle is 5 cm and the length of the hypotenuse is 8 cm, find the length of the lo

Brilliant_brown [7]

Answer:

The length of the longer leg is 6.24 cm.

Step-by-step explanation:

Here, the length of the hypotenuse = 8 cm

The length of shorten leg ( Base) = 5 cm

Let us assume the length of longer leg (Perpendicular) = k cm

Now, as the given triangle is a right angled triangle.

So, by the PYTHAGORAS THEOREM:

$( Base)^2 + ( Perpendicular)^2 = ( Hypotenuse)^2\\\implies (5)^2 + (k)^2 = (8)^2\\\implies k^2 = 64 - 25 = 39\\\implies k^2 = 39\\k = \sqrt{(39)} = \pm (6.24)$

Now,as k is the length of the side, so it cannot be negative.

⇒ k = 6.24 cm

Hence, the length of the longer leg is 6.24 cm.

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3 years ago

PLEASE HELP 80 POINTS ALGEBRA 2

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Evaluate the following expression when x = -5 and y = 25.

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Answer:

Step-by-step explanation:

In the given expression, substitute -5 for x and 25 for y:

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4 years ago

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