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3 years ago

I dont unsterstand irrational numbers

Mathematics

2 answers:

Sonbull [250]3 years ago

6 0

Answer:

Irrational number does not terminate and do not repeat. I hope this can make you understand what does irrational number is. Hope it helps you

Step-by-step explanation:

elixir [45]3 years ago

4 0

An irrational number cannot be expressed as a ratio between two numbers and it cannot be written as a simple fraction because there is not a finite number of numbers when written as a decimal. Instead, the numbers in the decimal would go on forever, without repeating.

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Ellen has a bag with 3 red marbles and 2 blue marbles in it. She is going to randomly draw a marble from the bag 300 times, putt

sweet [91]

Answer:

No. of times Ellen draws a blue marble = 120

Step-by-step explanation:

No. of red marbles = 3

No. of blue marbles = 2

$\text{Probability of drawing a blue marble = }\frac{\text{No. of possible outcomes}}{\text{Total no. of outcomes}}\\\\P(B)=\frac{2}{5}\\\\No. of draws (n) = 300\\\text{So, total probability = }n\times P(B)\\\\=100\times \frac{2}{5}=120.$

So, the required probability is 120.

7 0

3 years ago

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A climber who is 6 feet tall, casts a shadow that is 20 feet tall, at the same time that a tree casts a shadow which is 90 feet

Sergio039 [100]

The tree is 76ft. long

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3 years ago

What is the value of x in this proportion?

astra-53 [7]

Answer:

(a) x=−20 1/2

Step-by-step explanation:

Multiply by the product of the denominators and solve the resulting linear equation in the usual way.

$\dfrac{2}{7}=\dfrac{-5}{x+3}\\\\2(x+3)=-5(7)\qquad\text{multiply by $7(x+3)$}\\\\2x+6=-35\qquad\text{simplify}\\\\2x=-41\qquad\text{subtract 6}\\\\\boxed{x=-20\dfrac{1}{2}}\qquad\text{divide by 2}$

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2 years ago

I need help ASAP!

sertanlavr [38]

Sin (x) = 12/13 this is because sine is opposite divided by hypotenuse.
cos (x) = 5/13 this is because cosine is adjacent divided by hypotenuse.
tan (x) = 12/5 this is because tangent is opposite divided by adjacent.

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3 years ago

A number has the digits 1, 9 and 5 to the nearest 100 the number rounds to 600. What is the number?

mars1129 [50]

Answer:

Step-by-step explanation:

the closest number to 600 out of every combo

195

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3 years ago

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I dont unsterstand irrational numbers​

I dont unsterstand irrational numbers