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Lera25 [3.4K]
3 years ago
13

How many four letter passwords can be created if no repetition is allowed?

Mathematics
1 answer:
Shkiper50 [21]3 years ago
8 0

Answer:

840

Step-by-step explanation:

7*6*5*4=840

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What is the value of 7/9 x 2/3 ?
Elan Coil [88]

Answer:

42/81 or 0.5185185

Step-by-step explanation:

7/9 × 2/3

The hcf of 9 and 3 is 9

7/9 × 2/3

2/3 × 3= 6/9

7/9× 6/9 = 42/81 or 0.5185185

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3 years ago
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Write the equation of the line that passes through the given points (-6, 0) and (0, 3)
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Answer:

Step-by-step explanation:

Put (-6,0) and (0,3) into a table of values

form of the equation: mx+b

x -6 0

y 0 3

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equation: y=0.5x+3

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IgorLugansk [536]
3x² + 8x - 3 = (3x - 1) (x + 3)
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3 years ago
Which expression is equivalent to 2(a + 2b) - a - 2b?
Free_Kalibri [48]

The correct answer is D) a+2b.

Hope it helps!

4 0
3 years ago
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Kevin bought a membership to a golf club. He pays $250 per month and $18 every time he plays a round of golf. Write an equation
Arturiano [62]
Hi there!

Let's solve this problem step by step!

The cost of 1 round of golf is $18
and therefore the total cost for all of the tickets is $18 × 
the amount of golf plays, mathematically $18 × g, hence 18g

The membership cost of 1 month is $250
and therefore the total cost for all of the tickets is $250 × 
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Now we can set up the equation. The only thing we need to do is adding up the individual functions.

Answer:
C = 250m + 18g
4 0
3 years ago
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