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soldi70 [24.7K]
3 years ago
7

The second one I don’t know it

Mathematics
2 answers:
Whitepunk [10]3 years ago
5 0

The cube root is the same as the 1/3 exponent.  In general an exponent of 1/n is an nth root.

Answer: ∛15, last choice

loris [4]3 years ago
3 0

Answer:

The third one \sqrt[3]{15}

Step-by-step explanation:

You might be interested in
How would you find the volume of this cone?
posledela

Area of cone = 1/3 base × height = 1/3 × 8 × 10 = approximately 26.7 m

Ans= approx. 26.4 m

Happy to help. Please mark as brainliest!

4 0
3 years ago
How many elements does A contains if it has 64 subsets​
Amanda [17]
<h3>Answer:  6</h3>

===========================================================

Explanation:

Rule: If a set has n elements in it, then it will have 2^n subsets.

For example, there are n = 3 elements in the set {a,b,c}. This means there are 2^n = 2^3 = 8 subsets. The eight subsets are listed below.

  1. {a,b,c} .... any set is a subset of itself
  2. {a,b}
  3. {a,c}
  4. {b,c}
  5. {a}
  6. {b}
  7. {c}
  8. { } ..... the empty set

Subsets 2 through 4 are subsets with exactly 2 elements.  Subsets 5 through 7 are singletons (aka sets with 1 element). The last subset is the empty set which is a subset of any set. You could use the special symbol \varnothing to indicate the empty set.

For more information, check out concepts relating to the power set.

-------------------

The problem is asking what value of n will make 2^n = 64 true.

You could guess-and-check your way to see that 2^n = 64 has the solution n = 6.

Another approach is to follow these steps.

2^n = 64\\\\2^n = 2^6\\\\n = 6

Which is fairly trivial.

Or you can use logarithms to solve for the exponent.

2^n = 64\\\\\text{Log}\left(2^n\right)=\text{Log}\left(64\right)\\\\n*\text{Log}\left(2\right)=\text{Log}\left(64\right)\\\\n=\frac{\text{Log}\left(64\right)}{\text{Log}\left(2\right)}\\\\n\approx\frac{1.80617997398389} {0.30102999566399} \ \text{ ... using base 10 logs}\\\\n\approx5.99999999999983\\\\

Due to rounding error, we don't land exactly on 6 even though we should.

5 0
2 years ago
Multiply.
Alik [6]

Answer:

Simplify the expression.

Exact Form:

77 /10

Decimal Form:

7.7

Mixed Number Form:

<h2><u>7  7/ 10 </u></h2>

Hope This Helps

8 0
3 years ago
Can someone please help me
jolli1 [7]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
Round 62,981 to the nearest thousand.
olga2289 [7]

Answer:

63,000

Step-by-step explanation:

When 981 is rounded to the nearest thousand, it is equal to 1,000. Add this to the remaining number, 62,000, and voila! you get it!

62,000 + 1,000 = 63,000

If you want this explained further, please just let me know!

Thanks!

7 0
3 years ago
Read 2 more answers
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