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timofeeve [1]
2 years ago
9

Which crustaceans form the base of many food chains

Mathematics
1 answer:
Anettt [7]2 years ago
4 0

Answer:

Step-by-step explanation:

Primary producers — including bacteria, phytoplankton, and algae — form the lowest trophic level, the base of the aquatic food web. ...

Some zooplankton including copepods, rotifers, larval stages of some fish and invertebrates are grazers and drift through the water grazing on phytoplankton.

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3 years ago
One of the legs of a right triangle measures 13 cm and the other leg measures 1 cm. Find the measure of the hypotenuse. If neces
velikii [3]

Answer:

hypotenuse = 13.0 cm

Step-by-step explanation:

Given the dimensions of a right triangle whose legs have measures of 13 cm and 1 cm, we can use the Pythagorean Theorem to find the measure of the triangle's hypotenuse.

The <u>Pythagorean Theorem</u> states that the squared measure of a right triangle's hypotenuse is equal to the sum of the squared lengths of its legs. In other words:

Pythagorean Theorem:   c² = a² + b²

Let c = hypotenuse

     a  =  Leg₁   = 1 cm

    b  =  Leg₂  =  13 cm

Substitute these values into the given formula to find the measure of the hypotenuse, c:

c² = a² + b²

c² = ( 1 )² + (13)²

c² = 1 + 169

c² = 170

Next, take the square root of c² and 170 to isolate c:

\displaystyle\mathsf{\sqrt{c^2}\:=\:\sqrt{170}}

c = 13.04 or 13.0 cm

Therefore, the length of the hypotenuse is 13.0 cm.

3 0
2 years ago
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