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marishachu [46]
3 years ago
11

Which expression represents the series 1+5+25+125+625

Mathematics
1 answer:
tankabanditka [31]3 years ago
7 0
a_n=5^n
where n starts at 0.

a_n=5^{(n-1)}
where n starts at 1.
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Which of the following is the solution to the equation
enot [183]

Answer: you anwser is 5.5 i got this

Step-by-step explanation:

given

25^(z - 4) = 125

ln(25^(z - 4)) = ln (125)

(z-4)ln(25) = ln(125)

z = ln(125)/ln(25) + 4

z = 5.5

5 0
2 years ago
What is the coefficient of x4y4 in the expansion of (x + y)8?
dimulka [17.4K]

Answer:

70

Step-by-step explanation:

If you use Pascal's Triangle, you will need 9 lines, since there are 9 terms in a binomial raised to the 8th power.  Those 9 terms are:

1, 8, 28, 56, 70, 56, 28, 8, 1

The first expansion through the one we need are below (I hope you know how to use Pascal's Triangle!):

1(x^8)(y^0)+8(x^7)(y^1)+28(x^6)(y^2)+56(x^5)(y^3)+70(x^4)(y^4)+...

5 0
3 years ago
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Tasya [4]

Answer:

0

Step-by-step explanation:

-4, -2, 0

the 3rd number is always a 0 so if you do the sequence 78 times the 78th term will be a 0

7 0
2 years ago
Identify the indicated element
timurjin [86]
<span>how do you identify the indicated elements for example
a32
A=
3 12 6
1 0 9
8 7 4

===============
a32 means the element in the 3rd row and 2nd column
-----
a32 = 7</span>
8 0
3 years ago
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lilavasa [31]

Answer:

0.70=70/100

0.75=75/100

Therefore,

Fractions are

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6 0
3 years ago
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