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melomori [17]
2 years ago
14

If x^2 + 1/x^2 = 18 , find the value of x^3-1/x^3​

Mathematics
2 answers:
astra-53 [7]2 years ago
6 0

Step-by-step explanation:

hope this helps you dear friend.

dangina [55]2 years ago
6 0

Please find attached photograph for your answer.

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Help.this question ha sbeen egttin on my nerves for days
pogonyaev

Answer: 8y4+25y3+60y2+10y+7

Step-by-step explanation:

(y2+3y+7)(8y2+y+1)

=(y2+3y+7)(8y2+y+1)

=(y2)(8y2)+(y2)(y)+(y2)(1)+(3y)(8y2)+(3y)(y)+(3y)(1)+(7)(8y2)+(7)(y)+(7)(1)

=8y4+y3+y2+24y3+3y2+3y+56y2+7y+7

=8y4+25y3+60y2+10y+7

hope this helps!:)

8 0
3 years ago
the total cost (c) in dollars of renting a car for n days is given by the inequality c >125 +50n. what is the maximum number
Paraphin [41]
H. 6 days
hope this helps!
4 0
3 years ago
Can someone Help Me With The Answers?
gayaneshka [121]

Answer:

5 1/3 x 2 3/4= 3/4 5 x 2 = 10

Step-by-step explanation:

Multiply fractions 1/3 x 3/4= 3/4

6 0
3 years ago
The sum of a number and twice its reciprocal is 3. What are the numbers?
qwelly [4]

Let no be x

Acc to ques

X + 2(1/x) = 3

X + 2/x = 3

X^2 + 2 = 3x

X^2 - 3x + 2 = 0

X^2 - x - 2x + 2 = 0

X (x-1) - 2 (x-1) = 0

(x-2) (x-1) = 0

X= 2 or x =1

If this answer was helpful then please mark it as the brianliest

3 0
2 years ago
Need help bad !!!!!!!!!!!!​
Nonamiya [84]
There are 2 order pairs there (6,-4),(-2,4)
find the midpoint using the formula

(x1+x2)/2 , (y1+y2)/2
x=6 and -2
y=-4 and 4

(6+2)/2 , (-4+4)/2
8/2 ,0/2
the midpoint is (4,0) A

4 0
3 years ago
Read 2 more answers
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