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Stels [109]
2 years ago
8

Hey!!! So the photo is side ways sorry bout that but I reallyyy need some help

Mathematics
1 answer:
elena55 [62]2 years ago
3 0

Answer:

Step-by-step explanation:

What type math is this?

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A special type of password consists of 3 different letters of the alphabet, and the two different numbers, where each letter and
Phoenix [80]

Answer:

There can be 14,040,000 different passwords

Step-by-step explanation:

Number of permutations to order 3 letters and 2 numbers (total 5)

(AAANN, AANNA,AANAN,...)

= 5! / (3! 2!)

= 120 / (6*2)

= 10

For each permutation, the three distinct (English) letters can be arranged in

26!/(26-3)! = 26!/23! = 26*25*24 = 15600 ways

For each permutation, the two distinct digits can be arranged in

10!/(10-2)! = 10!/8! = 10*9 = 90 ways.

So the total number of distinct passwords is the product of all three permutations,

N = 10 * 15600 * 90 = 14,040,000

7 0
3 years ago
Help please if your good at maths ?
Norma-Jean [14]

Answer:

Year 7 = 75 students

Year 9 = 25 students

Step-by-step explanation:

Year 7 has 3/8 of the total since the circle is divided into 8 sections and has 3 of the 8 sections

3/8 * 200 students = 75

Year 9 has 1/8 of the total since the circle is divided into 8 sections and has 1 of the 8 sections

1/8 * 200 =25

3 0
3 years ago
I need help please <br> (Geometry)
oee [108]

The surface area formula for any sphere is 4(pi)(radius)^2

The radius is half of the diameter.

18.6 / 2 = 9.3

So, plug into the formula and solve.

4(3.14)(9.3)^2 = 1086.3 mm^2

4 0
3 years ago
What is the answer to 6,007,200 in exspanded form
Rzqust [24]
6,000,000 + 7,000+ 200    is your expanded form

hope this helps
4 0
3 years ago
Which of the following options have the same value as 2\%2%2, percent of 909090?
bekas [8.4K]

Answer:

2 percent equals 0.02

so we just multiply that by 909090 so

0.02*909090=18181.8

Hope This Helps!!!

7 0
2 years ago
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