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1 year ago

Which of the following is irrational?

Mathematics

2 answers:

garri49 [273]1 year ago

8 0

$\sqrt{2}$

A square root of any number that won't result in a whole number is irrational.

In this case, $\sqrt{2}$ is irrational.

dedylja [7]1 year ago

6 0

Answer:

$\sqrt{2}$

Step-by-step explanation:

the other 3 are perfect squares and have rational answers.

$\sqrt{1.44} =1.2\\\sqrt{1}= 1\\\sqrt{4} =2$

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Cards are dealt, one at a time, from a standard 52-card deck. a if the first 2 cards are both spades, what is the probability th

ratelena [41]

So we already drew two cards and both of them are spades. So that means there are 50 cards and 11 spades left.

Then third card being spades would be 11 / 50

Now there are 10 spades and 49 cards left.
So the probability for fourth card would be 10 / 49

Fifth card would be 9 / 48.

So the probability of next three cards being spades would be
$\dfrac{11}{50}\cdot\dfrac{10}{49}\cdot\dfrac9{48}=\dfrac{33}{3920}\approx\boxed{0.00842}$

Hope this helps.

3 0

3 years ago

If juan worked two hours how many trees did he trim

timama [110]

This doesn't make any sense

8 0

2 years ago

(5x^5) - (80x^3) factoring

elena55 [62]

Answer:

Factoring the term $(5x^5) - (80x^3)$ we get $\mathbf{5x^3(x-4)(x+4)}$

Step-by-step explanation:

We need to factor the term $(5x^5) - (80x^3)$

First we can see that $5x^3$ is common in both terms

So, taking $5x^3$ common:

$(5x^5) - (80x^3)\\=5x^3(x^2-16)$

We can write $x^2-16$ as $(x)^2-(4)^2$

$=5x^3((x)^2-(4)^2)$

Now we can solve $(x)^2-(4)^2$ using the formula: $a^2-b^2=(a+b)(a-b)$

We can write:

$=5x^3((x)^2-(4)^2)\\=5x^3(x-4)(x+4)$

So, factoring the term $(5x^5) - (80x^3)$ we get $\mathbf{5x^3(x-4)(x+4)}$

4 0

2 years ago

A 2-liter container holds more than a 3,000-milliliter container. True or false?

tiny-mole [99]

To consider whether this statement is true or not

⇒ must determine the number of milliliters in a liter

⇒ 1 Liter = 1000 milliliter

To compare both containers, lets set both containers in terms of milliliters

Container 1 --> 2 Liter Capacity --> 2000 milliliter
Container 2 --> 3000 milliliter

By looking at the data

⇒ the 3000-milliliter container holds more than the2-liter container

Thus, the statement: A 2-liter container holds more than a 3,000-milliliter container

⇒ False

Answer: False

Hope that helps!

6 0

1 year ago

Read 2 more answers

Divide. Reduce the answer to lowest terms 2 1/9 ÷ 3 1/3

aleksandrvk [35]

Answer:

I am pretty sure the answer is 19/30

Step-by-step explanation:

If u turn 2 1/9 ÷ 3 1/3 into improper fractions u will get 19/9 Divided by 10/3

Then u do the butterfly. So this would be 9 x 10 =90 and 19 x 3 =57 so this is what it looks like 57/90 and that can be simpflyed into 19/30. Becasue 3 x 19 = 57 and 3 x 30 = 90

4 0

2 years ago