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PilotLPTM [1.2K]
3 years ago
9

How many 3-digit numbers exist, whose digits are distinct even numbers.

Mathematics
2 answers:
My name is Ann [436]3 years ago
6 0

Answer:

48

Step-by-step explanation:

Easy dubs

KIM [24]3 years ago
4 0

Answer:

48

Step-by-step explanation:

To solve this question will demand use of permutation :

Now, we have 5 single digit even numbers which are 0,2,4,6,8

Now, the hundredth place will be able to hold any digit except 0 because if it is done otherwise, it will make it a two digit number.

Also, the tens digit can now hold four digits as one digit is already placed in hundredth place.

Likewise, the unit digit can now hold any of the remaining three digits.

From the fundamental principle of counting, the required number of three digit numbers is :

4 x 4 x 3 = 48

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4x+12=0 how do you solve
Olenka [21]
Here is how you solve 
4x+12-12=0-12
4x=-12
x=-3
3 0
3 years ago
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I need help with this by answering the questions please this due tonight at 11:59 pleaseeee help!!!’ Helppp I need this bad
dusya [7]

Explanation:

a) The more like a cube or a ball the figure is, the smaller its surface area.

b) Solids with smaller surface area have nearly the same dimension in every direction.

c) Solids with larger surface area have a very high ratio between the largest dimension and the smallest dimension. The flatter or more string-like the figure is, the larger its area.

8 0
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A number n increased by 4 is -19
MrRa [10]

Answer:

n=23

Step-by-step explanation:

4-23=19

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3 years ago
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Need help please exams tomorrow
Romashka [77]

<u>Answer:</u>

  • The value of x is 14.

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

<u>We know that:</u>

  • ΔABC ≅ ΔEFG
  • 21 x 2/3 = x

<u>Work:</u>

  • 21 x 2/3 = x
  • => 7 x 3 x 2/3 = x
  • => 7 x 2 = x
  • => 14 = x

Hence, <u>the value of x is 14.</u>

Hoped this helped.

7 0
2 years ago
I Need The Answer Plz!!! Geometry Is Hard!!!
Scorpion4ik [409]

Answer:

B. 10

Step-by-step explanation:

First, we need to recognize that the two triangles are similar (the triangle with a leg value of 21 and the triangle with a leg value of 4 and hypotenuse x)

Let's first label the leg of the second triangle as y.

Then, we can set up this equation

\frac{21}{y} =\frac{y}{4}

Cross multiplying gives us

84=y^2

So, y=sqrt(84) or 2 sqrt(21).

Now, using the pythagorean theorem, we get

4^2+2sqrt(21)^2=x^2

100=x^2

x=10

4 0
3 years ago
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