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honey66
27.06.2019 •
Mathematics
Sos i literally have no idea how to do 9-! if anyone knows how plz . u so much❤️❤️❤️
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Ответ:
So before we jump into these problems, we must keep this particular rule in mind:
Product Rule of Radicals: √ab = √a × √b. Additionally, remember that √a × √a = a9.So remember that the perimeter is the sum of all the sides. In this case:
So firstly, using the product rule of radicals we need to simplify these radicals as such:
Now, combine like terms (since they all have the same like term √3, they can all be added up):
Your final answer is 17√3 in.
10a.For this, we will be using the pythagorean theorem, which is
, where a and b are the legs of the right triangle and c is the hypotenuse of the triangle. In this case, √18 and √32 are our legs and we need to find the hypotenuse. Set up our equation as such:
From here we can solve for the hypotenuse. Firstly, solve the exponents (remember that square roots and squared power cancel each other out):
Next, add up the left side:
Lastly, square root both sides of the equation:
The hypotenuse is √50 cm.
10b.Now, the process is similar to that of 9 so I will just show the steps to the final answer.
The perimeter is 12√2 in.
11.Now, the process is still similar to question 9 but remember that this time we are working with cube roots.
Note that when adding the numbers together, 3 isn't a like term to the other 2 terms because it doesn't have ∛3 multiplied with it.
The perimeter is 3 + 12∛3 in.
Ответ:
yes
Step-by-step explanation: