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Romashka-Z-Leto [24]
3 years ago
8

Please help with an explanation​

Mathematics
1 answer:
Vsevolod [243]3 years ago
8 0

Answer:

the answer is incorrect though  the first step is correct but the second step is wrong and so is the answer. the correct answer would be x raise to the power of 2by 5

Step-by-step explanation:

{x⁶/⁵⁻²/⁵} ¹/²= {x⁴/⁵}¹/²= x²/⁵

in the second step the power of the denominator must be subtracted from the power of the numerator using the law of indices then we would get the correct answer

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Step-by-step explanation:

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1. Jenny bought a shirt for $30. The sales tax was 6%. What was the<br> total cost for the shirt?
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Step-by-step explanation:

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3 years ago
A plane rises from​ take-off and flies at an angle of 9 degrees with the horizontal runway. When it has gained 500 ​feet, find t
Len [333]

Answer:

The dashed hypotenuse measures: 3,205.13 ft.

Step-by-step explanation:

                                                               . B  (Plane is here)

                                        .                      .        

                     .                                         .      

A  .       .          .        .          .          .        . C

BC = 500 ft

Angle (Ф) between AB and AC = 9 degrees

So,

Sin(Ф) = BC/AB

Since we need to know how much hypotenuse AB measures, Let's isolate it from the equation:

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AB = 3,205.13 ft.

 

8 0
3 years ago
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