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Over [174]
4 years ago
14

Why does 225.60 × 0.25 equal 56

Mathematics
2 answers:
Angelina_Jolie [31]4 years ago
3 0
It equals that because when you multiply a whole number by a decimal then the answer will always be smaller then the whole number.
Nataliya [291]4 years ago
3 0
Well first of all, 225.6 * 0.25 does NOT equal 56. It equal 56.4
Second of all, even if it did equal 56... our number system has been defined so that 225.6 * 0.25 just works out to 56.4... there's not really a reason it does equal 56.4
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Answer: a) 0.9332, b) 0.8944

Step-by-step explanation: the probability value attached to a z score is gotten by using a z distribution table.

The z score is gotten by making use of the formulae below

Z = x - u / σ

Where x = sample mean, u = population mean and σ = population standard deviation.

a)

For our question, u = 38, σ = 12, we are to look for the z score at z ≤ 56, that's x = 56

By substituting the parameters, we have that

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To get the probabilistic value, we check the normal distribution table.

The table I'm using will be giving me probabilistic value towards the left of the area.

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bearhunter [10]

The measure of the other side of a quadrilateral is 3\sqrt{13} cm.

In the given quadrilateral one side is unknown we need to find the unknown side.

By dividing the given quadrilateral into a rectangle and a triangle we can find the other side.

<h3>What is Pythagoras theorem?</h3>

The Pythagoras theorem states that if a triangle is right-angled, then the square of the hypotenuse is equal to the sum of the squares of the other two sides. That is, c^{2}=a^{2}+b^{2}.

Now, x^{2} =9^{2}+6^{2}=81+36=17

⇒x=\sqrt{13 \times 9} =3\sqrt{13}

Therefore, the measure of the other side of a quadrilateral is 3\sqrt{13} cm.

To learn more about Pythagoras' theorem visit:

brainly.com/question/343682.

#SPJ1

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