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REY [17]
2 years ago
7

Factor 5x^2-21x-20.

Mathematics
1 answer:
ZanzabumX [31]2 years ago
3 0

Answer: (5x+4)(x-5)

Step-by-step explanation:

:)

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a line t has the equation 5x-y-4=0. write down the equation of a line which passes through (1,-3), a) which is parallel to T, b)
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Step-by-step explanation:

The set {1,2,3,4,5,6} has a total of 6! permutations

a. Of those 6! permutations, 5!=120 begin with 1. So first 120 numbers would contain 1 as the unit digit.

b. The next 120, including the 124th, would begin with  '2'  

 c. Then of the 5! numbers beginning with 2, there are 4!=24 including the 124th number, which have the second digit =1

d. Of these 4! permutations beginning with 21, there are 3!=6 including the 124th permutation which have third digit 3

e. Among these 3! permutations beginning with 213, there are 2 numbers with the fourth digit =4 (121th & 122th), 2 with fourth digit 5 (numbers 123 & 124) and 2 with fourth digit 6 (numbers 125 and 126).

Lastly, of the 2! permutations beginning with 2135, there is one with 5th digit 4 (number 123) and one with 5 digit 6 (number 124).

∴   The 124th number is 213564

Similarly reversing the above procedure we can determine the position of 321546 to be 267th on the list.

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Each Cube inside the rectangle Prisma has a edge length of 3/4 inches which is the value of the Prisma
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Step-by-step explanation:

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3 years ago
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Answer:

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