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GrogVix [38]
2 years ago
12

You pick 5 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have

written the first 5 digits of your phone number? Assume there are no repeats of digits in your phone number
Mathematics
1 answer:
Tanzania [10]2 years ago
4 0

Answer:

Probability is : 1/30240= 0.000033068

Step-by-step explanation:

You pick 5 digits (0-9) at random without replacement, and write them in the order picked.

The probability that you have written the first 5 digits of your phone number is -

As there are no repeats, the choice to choose from decreases at each step making it 10,9,8,7,6.

(1/10)(1/9)(1/8)(1/7)(1/6)=1/30240= 0.000033068

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Based only on the information given in the diagram, it is guaranteed that JKL ~ WXY.
Alika [10]

Answer:

Option A True

Step-by-step explanation:

we know that

The sum of the internal angles of  the triangle is equal to 180\°

<u>In the triangle JKL</u>

m∠L=180\°-90\°-27\°=63\°

so

The measurements of the angles of triangle JKL are 27\°-90\°-63\°

<u>In the triangle WXY</u>

m∠W=180\°-90\°-63\°=27\°

so

The measurements of the angles of triangle WXY are 27\°-90\°-63\°

therefore

Triangle JKL and triangle WXY are similar by AAA ( The AAA postulate states that if you can prove that all three angles of two triangles are congruent, you can prove the two triangles are similar)

6 0
2 years ago
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strojnjashka [21]

Answer:

B is the answer!!!

Step-by-step explanation:

the tape diagram shows this

5 0
3 years ago
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The height of one solid limestone square peer amid is 24 m. A similar solid limestone square peer med has a height of 30 m. The
aliya0001 [1]
I think what you meant here is that the limestone is in a shape of a square pyramid. Knowing the shape, we must also know the formula for its volume:

V=s²h/3, where
s is the side of the square base
h is the vertical height of the pyramid

First, you find the area of the base s² from the known volume of the larger pyramid.

16,000 = s²(30)/3
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Then, assuming both pyramids have equal areas of bases, we can use this value for the smaller pyramid. We can determine its volume to be
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4 0
2 years ago
Three more than three times a number is one less than two times the number what is the number
Yanka [14]
In the given question, there are several information's of immense importance. using these information's the correct and the required answer can be determined. It is given that an unknown number has to be found from the information's provided.
Let us assume the unknown number = x
Then
3x + 3 = 2x -1
3x - 2x = -1 -3
x = -4
So the unknown number is -4.
It should be remembered that these are trick questions and it is important to go through each lines very carefully to understand the inner meaning.
4 0
3 years ago
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PLEASE HELP ME!!! ILL GIVE BRAINLIESTS IF RIGHT!
AVprozaik [17]

Answer:

B

Step-by-step explanation:

When you look at the model, you see that the bottom of the shape is square. So looking at the flat model, which one is thhe one with a square as a base. B does.

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