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pishuonlain [190]
3 years ago
5

Find the value of x (5x+4) (8x-71)

Mathematics
1 answer:
olga2289 [7]3 years ago
4 0

Answer:

8.89793770

Step-by-step explanation:

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If \: x + y + z = 0 \: then \: show \: that \: {x}^{3} + {y}^{3 } + {z}^{3} =3xy<br>​
tankabanditka [31]

Answer:

Given

x+y+z=0

⟹x+y=−z

Cubing on both sides

(x+y) 3 =(−z) 3

⟹x 3 +y 3 +3x 2y+3xy 2 =−z 3

⟹x 3 +y 3 +3xy(x+y)=−z 3

⟹x 3+y 3+3xy(−z)=−z 3

⟹x 3 +y 3−3xyz=−z 3

⟹x 3 +y 3 +z 3 =3xyz

Step-by-step explanation:

Hope it is helpful.....

8 0
3 years ago
Jonah types 120 words per minute if her rate is constant how long will it take her To type a 600 word essay
adelina 88 [10]

Answer: 5 minutes.

Step-by-step explanation:

120 words = 1 min

600 words = 5 mins

(divide the 120 by 600 and you’ll end up getting 5 minutes)

7 0
3 years ago
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Write the equation you would use to find x, then solve for x.
goldfiish [28.3K]

Answer:

x + 6x+10   + x+2 = 180

x = 21

Step-by-step explanation:

The sum of the angles of a triangle add to 180 degrees

x + 6x+10   + x+2 = 180

Combine like terms

8x + 12 = 180

Subtract 12 from each side

8x+12-12 = 180-12

8x =168

Divide each side by 8

8x/8 = 168/8

x =21

6 0
3 years ago
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Rocco is making goat food cups to be sold in a petting zoo. He has 8 apples, which is only of what he needs to make enough food
Volgvan
You would need 16apples
5 0
3 years ago
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If the product of 2 identical numbers is 324,find one of the number​
Ilya [14]

let each of the numbers be x :

  • x \times x = 324

  • {x}^{2}  = 324

  • x =  \sqrt{324}

  • x = 18
4 0
3 years ago
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