3 years ago

What are the most important things to know about Geometry?

Mathematics

1 answer:

sattari [20]3 years ago

8 0

Know that you will have to deal with a lot of shapes, formulas, and calculations that you have to memorize

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How to factorise 15x-10x^3

ivann1987 [24]

The answer is 5x(3-2x^2)

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2 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

olasank [31]

Answer: $a_n=2(5)^{n-2}$

<u>Step-by-step explanation:</u>

The explicit rule for a geometric sequence is: $a_n=a_1(r)^{n-1}\quad \text{where}\ a_1\ \text{is the first term and r is the ratio}$

The information provided is: a₁ = $\dfrac{2}{5}$ and r = 5

$a_n=\dfrac{2}{5}(5)^{n - 1}\\\\.\quad = 2(5)^{n-2}$

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2 years ago

A tea‑drinking Canadian friend of yours claims to have a very refined palate. She tells you that she can tell if, in preparing a

wlad13 [49]

Answer:

Step-by-step explanation:

There are 20 ways to select 3 cups from the 6 cups.

This can be calculated using formula nCr

Where,

n = objects

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Calculating 6C3 using calculator that is 20.

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2 years ago

Explanation about Cardinal number Carolyn relation cardinals

nalin [4]

Answer:

Cardinal Numbers

The cardinality of a group represents the number of objects available in that group.

The number of elements or members in a set is the cardinal number of that set. ...

For example, set A = {1, 3, 6, 9, 10, 12, 18}, the cardinal number of set A is 7.

Step-by-step explanation:

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3 years ago

A wood board 156 centimeters long is cut into three parts .The two longer parts are the same length and are 15 centimeters longe

n200080 [17]

The everyone of two longer parts has 57 cm length and the shortest part has 42 cm length.
less 30cm from 156 and divide the remain amount of 126 into three parts. The answer will be 42 cm, then add 15,15 in longer parts.

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