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Arte-miy333 [17]
2 years ago
14

Which expression is equivalent to (1/2(cos(pi/5)+ i sin(pi/5)))^5

Mathematics
1 answer:
mylen [45]2 years ago
3 0

Answer:

B

Step-by-step explanation:

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Write an inequality that represents the statement “x is at most –5 or at least 7.” A. x < –5 or x > 7 B. x > –5 or x &l
Afina-wow [57]
<span>C. x ≤ -5 or x ≥ 7 D.</span>
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3 years ago
If f(x)=5x-25 and g(x) = 1/5x+5 which expression could be used to verify g(×) is the inverse of f(×)
Gelneren [198K]

Answer:

The  expression could be used to verify g(x) is the inverse of f(x) is letter b which is 1/5(5x-25)+5

Step-by-step explanation:


4 0
2 years ago
Read 2 more answers
Please help me out please
natita [175]

Answer:

RC = 40

Step-by-step explanation:

Note that the circumcentre is equally distant from the triangle's 3 vertices.

That is : PC = RC = QC

Equate any pair and solve for x

Using RC = PC, then

5x - 15 = 3x + 7 ( subtract 3x from both sides )

2x - 15 = 7 ( add 15 to both sides )

2x = 22 ( divide both sides by 2 )

x = 11

Hence

RC = (5 × 11) - 15 = 55 - 15 = 40 units

5 0
3 years ago
What is the cube root of 512m^12n^15?<br> -16m^4n^5<br> -8m^5n^4<br> 8m^4n^5<br> 16m^5n^4
ValentinkaMS [17]

Answer: 8m ^ 4n ^ 5

6 0
2 years ago
Calcula el área de la siguiente figura
andreyandreev [35.5K]

Answer:

272.5 m²

Step-by-step explanation:

1/2x4x9=18

(9+18)/2=13.5. 13.5x11=148.5

(18+14)/2=16. 16x7=112

12+148.5+112= 272.5

5 0
2 years ago
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