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cestrela7 [59]
3 years ago
12

a keycode must contain 2 letters and 3 numbers. the letters may be any letter of the alphabet. the numbers should be any number

from 0 to 9 how many different keycode combinations are there?
Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
THERE ARE AT LEAST TWO KEY CODES

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Jack has some marbles. He has ten more red marbles than blue marbles. He has fewer yellow marbles than blue marbles.
kap26 [50]

Answer:

<u>Jack has at least 15 marbles: 12 red, 2 blue and 1 yellow.</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the problem correctly:

Number of red marbles = 10 more than blue marbles

Number of yellow marbles fewer than blue marbles

2. How many of each color marble could Jack have?

r = Number of red marbles

b = Number of blue marbles

y = Number of yellow marbles

r = b + 10

y < b

If y = 1, then b ≥ 2, and r = b + 10,

fulfilling the three conditions, we have:

<u>y = 1, b = 2, and r = 12</u>

5 0
3 years ago
A certain city covers an area of 42.5 mi? How many square kilometers is this?
klasskru [66]

Answer:

go in creative and count how many blocks there are

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Madison, then a member of the U.S. House of Representatives, altered the Constitution’s text where he thought appropriate. However, several representatives, led by Roger Sherman, objected, saying that Congress had no authority to change the wording of the Constitution. Therefore, Madison’s changes were presented as a list of amendments that would follow Article VII.

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Step-by-step explanation:

6 0
3 years ago
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Through: (4,2), slope = 1/4
sattari [20]

Answer:

y = 1/4x + 1

Step-by-step explanation:

y = 1/4 x + b

take the point and plug it into the formula to solve for b

2 = 1/4 (4) + b

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b = 1

6 0
3 years ago
Is 38/58 in simplest form? Explain why or why not. If not, write it in simplest form
Fofino [41]

Both 38 and 58 are even so they both can be divided by 2,

38/58

19/29

that is in the simplest form

6 0
3 years ago
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9) Nancy starts a race at the start line and she is running 3 meters per second. Juan starts the same race 3 meters ahead of Nan
Travka [436]

Given:

Nancy is running 3 meters per second.

Juan starts the same race 3 meters ahead of Nancy but he is going at 2 meters per second.

To find:

The equations for Nancy and Juan.

Solution:

Let x be the number of seconds.

Nancy is running 3 meters per second. So, the total distance covered by Nancy in the race is

y=3x

Juan starts the same race 3 meters ahead of Nancy but he is going at 2 meters per second. So, the total distance covered by Juan in the race is

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Therefore, the equations of Nancy and Juan are y=3x and y=3+2x respectively.

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