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Zarrin [17]
3 years ago
13

4. Write the radical expression in rational exponent form.5√a

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0
There's ambiguity here.  Either the original expression is "5 times the square root of a" or 5 is the "index of the root."

Then "5 times square root of a" would be  5a^(1/2), or
     1/2
5a


.  On the other hand, if you meant 5 to be the "index of the root," then the correct result would be

  1/5
a



If you're left unsure of which answer is correct, try copying the original problem onto paper and then writing out the answer you believe is correct.  Upload this image to Brainly and then attach it to your question.
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Interpreting the Unit Rate as Slope<br> fill in the boxx please nd thank you
EleoNora [17]

Answer:

3,3

Step-by-step explanation:

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3 years ago
Find the indicated sum of each sequence S8 of -2,-13,-24,-35
valentina_108 [34]

Answer:

The sum of the arithmetic sequence is S_{8}=-324.

Step-by-step explanation:

A sequence is a set of numbers that are in order.

In an arithmetic sequence the difference between one term and the next is a constant.  In other words, we just add the same value each time infinitely.

If the first term of an arithmetic sequence is a_1 and the common difference is d, then the nth term of the sequence is given by:

                                                  a_{n}=a_{1}+(n-1)d

For the sequence

                                                -2,-13,-24,-35,...

The pattern is continued by adding -11 to the last number each time.

An arithmetic series is the sum of an arithmetic sequence.  We find the sum by adding the first, a_1 and last term, a_n, divide by 2 in order to get the mean of the two values and then multiply by the number of values, <em>n</em>

<em>                                                     </em>S_{n}=\frac{n}{2}(a_{1}+a_{n})<em />

The sum of the arithmetic sequence is

a_{8}=-2+(8-1)(-11)=-2-77=-79

S_{8}=\frac{8}{2}(-2-79})=4\left(-2-79\right)=4\left(-81\right)=-324

3 0
3 years ago
2. Find the Perimeter AND Area of the<br> figure below.<br> 5 in.<br> 6 in.<br> 8 in.<br> 9 in.
Katena32 [7]
Area: 64 in.
Perimeter: 102 in.
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3 years ago
Simplify the expression<br><br> (x^2 + 2x + 3)(x^2 – 2x – 2)
Tema [17]
Maybe its (4x+3) (-2)
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3 years ago
A square and a rectangle have equal area.The rectangle is 64 cm by 81 cm. What is the perimeter of the square?
Fittoniya [83]

Answer:

2592 cm

Step-by-step explanation:

square area = x²

rectangle area = bh

so

x² = bh

since the areas are equal

b and h are in the problem as 64 and 81

x² = 64x81

x² = 5184

divide by 2

x = 2592 cm

6 0
3 years ago
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