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Sholpan [36]
3 years ago
11

What's the result of: (2/3)³ ​

Mathematics
1 answer:
11111nata11111 [884]3 years ago
4 0

Answer:

8/27

Step-by-step explanation:

(2/3)³ = (2/3) (2/3) (2/3)

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If 1 = 35°, then 4 =
vodomira [7]

Answer:

140 degrees

Step-by-step explanation:

im basing it off of the fact that 1 is equal to 35 and so 4 must be 4 times 35 degrees

6 0
3 years ago
Read 2 more answers
The roots of an equation are x=-1 plus or minus I the equation is x^2+ ?
Oxana [17]

Answer:

x^2+2x+2

Step-by-step explanation:

If the roots of the equation are -1\pm i, then by the zero product rule:

x=-1\pm i \\\\x+1\pm i=0 \\\\(x+1+i)(x+1-i)=0\\\\x^2+x-ix+x+1-i+ix+i+1=0 \\\\x^2+2x+2=0

You can confirm this with the quadratic equation:

x=\dfrac{-2\pm\sqrt{4-8}}{2}=\dfrac{-2\pm 4i}{2}=-1\pm i

Hope this helps!

8 0
3 years ago
What is the value of x? please help me! <br><br> A. 43<br> B. 62<br> C. 105<br> D. 115
Valentin [98]

Answer:

C

Step-by-step explanation:

x is the exterior angle of angle EFG while EFG = 180 - 62 - 43 = 75

—> x = 180 - 75 = 105

6 0
2 years ago
When 2 times a number is subtracted from 7 times the number, the result is 55. what is the number?
steposvetlana [31]
Let n represent the number. You require
   7n - 2n = 55
   5n = 55 . . . . . . collect terms
   n = 11 . . . . . . . divide by 5

The number is 11.

8 0
3 years ago
Tyrone played 18 holes of golf and had the same score on each of the first 14 holes. He then had the same score on each of the n
Bumek [7]
Answer: A. He scored 3 under par on each of the first 14 holes and 2 over par on each of the next four holes.
3 0
3 years ago
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