Which list shows the order of original appearance on earth, from the earliest to the most recent organism? A. bacteria, lizards, rhinoceros, trilobites B. bacteria, rhinoceros, lizards, trilobites C. trilobites, lizards, rhinoceros, bacteria D. bacteria, trilobites, lizards, rhinoceros

Answers

Answer 1

Answer: The order of original appearance on earth, from the earliest to the most recent organism is D. bacteria, trilobites, lizards, rhinoceros. Bacteria appeared in the Proterozoic era (2500-541 million years ago). Trilobites appeared in the Cambrian period (541-485 million years ago). Lizards appeared in the Jurassic period (201-145 million years ago). Rhinoceros appeared in the Neogene period (23-2.6 million years ago). Thus, the choice D is the right choice.

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What times what equals 120 and When you add the two numbers they equal 26?

how is the number of lines of symmetry for a regular polygon connected to the number of sides of the polygon

Answers

Excluding some quadrilaterals, some polygons like a hexagon or square have the same amount of lines of symmetry as they do sides.

Convert 0.27¯¯¯¯¯ to a rational number in simplest form.(1 point) responses 127 start fraction 1 over 27 end fraction 2799 start fraction 27 over 99 end fraction 27100 start fraction 27 over 100 end fraction 311

Answers

Answer:

.272727.... = .27/(1 - .01) = .27/.99 = 27/99 = 3/11

Final answer:

To convert a repeating decimal to a rational number in simplest form, multiply the decimal by a power of 10 to eliminate the repeating part. Then, divide the result by the appropriate power of 10. For 0.27¯¯¯¯¯, the simplest form is 27/100.

Explanation:

To convert a repeating decimal to a rational number in simplest form, we can use the algebraic technique. Let x be the repeating decimal. Multiply x by a power of 10 so that all the repeating digits are to the left of the decimal point. Subtract x from the result to eliminate the repeating part. Finally, divide the result by the appropriate power of 10 to get the rational number in simplest form.

In this case, 0.27¯¯¯¯¯ is equal to 27¯¯¯¯¯/100¯¯¯¯¯. Now, let's simplify it by dividing both the numerator and denominator by their greatest common divisor, which is 1. The simplified form of 27¯¯¯¯¯/100¯¯¯¯¯ is 27/100.

Learn more about Converting repeating decimals to rational numbers here:

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Find the volume of the square based pyramid.

Answers

A = 1/3 * s^2 * h where s is a side of the base and h is the height.

Finding the height of the pyramid:

$\left((6)/(2) \right )^(\!\!2)+h^(2)=8^(2)\n \n \n 3^(2)+h^(2)=8^(2)\n \n h^(2)=8^(2)-3^(2)\n \n h^(2)=64-9\n \n h^(2)=55\n \n h=√(55)\mathrm{~m}$

Finding the base area:

$S=6^(2)\n \n S=36\mathrm{~m^(2)}$

Formula for the volume of the pyramid:

$V=(S\cdot h)/(3)\n \n \n V=(36\cdot √(55))/(3)\n \n \n V=(\diagup\!\!\!\! 3\cdot 12\cdot √(55))/(\diagup\!\!\!\! 3)\n \n \n \boxed{\begin{array}{c} V=12√(55)\mathrm{~m^(3)} \end{array}}$

Which of the following represents "10 less than n"? 10 - n n - 10 -10n

Answers

The statement can be written in the mathematical form will be 10 - n. Then the correct option is A.

What is Algebra?

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

It simply implies subtracting something from an entity, group, location, etc. Subtracting from a collection or a list of ways is known as subtraction.

The statement is given as "10 less than n".

The statement can be written in mathematical form and will be

⇒ 10 - n

The statement can be written in the mathematical form will be 10 - n.

Then the correct option is A.

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10 less then 'n' is a way of saying take ten away from 'n'.

it represents subtraction

basically n - 10

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Can you take the quantity [ x + y ] and square it ?

Can you take the quantity [ x + 2y ] and square it ?

Then you should have no trouble with the square of (.9x + .8y) .

The square of any binomial (expression with 2 terms) is

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How can i write 4.9 as a improper fraction in simplest form

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4.9= 4/9/10=49/10 is the simplest form since nothing can be divided by both 49 and 10

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