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zheka24 [161]
2 years ago
10

Evaluate the given expression. 5 P 2

Mathematics
1 answer:
Mamont248 [21]2 years ago
7 0

Answer:

20

Step-by-step explanation:

nPr = n!/(n-r)!

5P2 = 5!/(5-2)!

= 5!/3!

= 5×4×3!/3!

= 5×4

= 20

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Mary pays $24.00 for 5 pounds of apples. At the same price, how much would she pay
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4 0
3 years ago
Determine algebraically all points where the graphs of XY equal 10 and Y equals X +3 intersect
Gelneren [198K]
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6 0
3 years ago
The sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age, how old is Mel?
olga55 [171]

Answer:

Age of Mel is 25 years.

Step-by-step explanation:

It is given that,the sum of Ali and Mel's age is 39. If Mel is 3 years younger than twice Ali's age.

Let 'x' be the Ali's age  and 'y' be the Mel's age

<u>To find the value of x and y</u>

sum of Ali and Mel's age is 39

⇒ x + y = 39    ------(1)

  Mel is 3 years younger than twice Ali's age

⇒ y = 2x - 3   -------(2)

⇒  2x - y = 3  -----(3)

(1) + (3) ⇒  

 x + y = 39

2x - y = 3

----------------

3x   = 42

x = 42/3 = 14

y = 2x - 3 = 14*2 - 3  = 25

Therefore the age of Ali = 14

Age of Mel = 25

4 0
3 years ago
Can someone help me write the expression
erica [24]

Answer: 4 1/10g^5+5 1/4

Step-by-step explanation:

8 0
3 years ago
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yaroslaw [1]

Answer:

I believe it would be - (n+4) x 2

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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