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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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If someone could please explain to me how to do/work these out that would be great!
Ganezh [65]

Answer:

Place both coordinates for the first question on a graph and draw a line. The answer is the coordinate that falls on that line.

Step-by-step explanation:

7 0
3 years ago
Which expression is equivalent to 4 square root 3^3 <br> A 3 3/4<br> B 3 4/3<br> C 4^1<br> D 4^3
posledela
A
B
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6 0
2 years ago
Find the real solutions of the equation by graphing
Vlada [557]

Answer:

C. 0, 1.29, -0.65

Step-by-step explanation:

The real solutions of the equation 19x^3-12x^2-16x=0  is where the graph of y=19x^3-12x^2-16x intersects the x-axis.

This means that we need to graph y=19x^3-12x^2-16x using a graphing software.

From the graph shown in the attachment x=0, x=1.29, and x=-0.65  are the  real solutions.

The correct choice is C

8 0
3 years ago
279,936 cubic inches to cubic feet
Otrada [13]

Answer:

162

Step-by-step explanation:

Divide the value by 1728 and you get your answer of 162. Hope this was helpful. :)

3 0
3 years ago
Read 2 more answers
The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inche
Amiraneli [1.4K]

<u>Answer</u>

The first student was right.

The length of the long side is at least 13 inches.

<u>Explanation</u>

The perimeter of any figure is the distance all round.

Perimeter of a rectangle = 2(l+w). Where l is length and w is the width.

2(l + w) ≥ 30

2{(x-3) + 2} ≥ 30

2(x-3+2) = 30

2(x - 1) ≥ 30

x - 1 ≥ 15

x ≥ 16

When x = 16,

l = 16-3

  = 13 inches

The length of the long side is 13 inches. The first student was right.

8 0
3 years ago
Read 2 more answers
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