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klemol [59]
3 years ago
12

Apparently a is wrong, can someone explain this to me?

Mathematics
1 answer:
muminat3 years ago
3 0

Answer:

well if a is wrong that it would be b

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PLEASE HELP ASAP
konstantin123 [22]

we conclude that the sequence has 8 terms.

<h3>How to get the number of terms in the sequence?</h3>

Here we have the geometric sequence:

2/81, 4/27, 8/9, ..., 6912

Notice that each term is equal to 6 times the previous term, such that:

2/81*6 = 4/27

4/27*6 = 8/9

Then the n-th term is equal to:

a_n = a_1*r^{n-1}

Where in this case:

a_1 = 2/81\\\\r = 6

Now we need to find the value of n such that:

(2/81)*6^{n-1} = 6912\\\\6^n = 6*6812*(81/2) = 1,679,616

If we apply the natural logarithm to both sides, then:

n*ln(6) = ln(1,679,616)\\n =  ln(1,679,616)/ln(6) = 8

Then we conclude that the sequence has 8 terms.

If you want to learn more about geometric sequences:

brainly.com/question/1509142

#SPJ1

8 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is 3x-12y=2163x−12y=216.
Keith_Richards [23]

Answer:

Deleted account

Step-by-step explanation:

Here 3x-12y-216=0

Reducing into slope intercept form

-12y= -3x + 216

12y = 3x - 216

Which is in the form of, y = mx + c

Slope (m) = 3

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
A single die is rolled. find the probability of rolling an eveneven number or a number less than 55.
sineoko [7]
The numbers less than 5 or even are {1, 2, 3, 4, 6}. This is 5 of the 6 possible numbers.

The probability of getting one of these on a single roll of a single die is 5/6.
7 0
3 years ago
HELP ASAP!!!
WARRIOR [948]

The area of the square pyramid is 105 sq inches.

Step-by-step explanation:

Given,

The base of the pyramid (b) = 5 inches

The height (h) = 8 inches

To find the area of the square pyramid.

Formula

The area of the square pyramid = 2bh + b^{2}

Now,

The area of the square pyramid = 2×5×8 + 5^{2} sq inch

= 105 sq inches

Hence,

The area of the square pyramid is 105 sq inches.

8 0
3 years ago
Read 2 more answers
Solve it please. Just wanted to check my drawing skill but please solve it​
polet [3.4K]

Answer:

Step-by-step explanation:

I'm assuming that strange looking thing is a 9, so begin by multiplying both sides by that denominator to get:

x-9=\sqrt{x}+3 then subtract 3 from both sides to get

x-12=\sqrt{x} and then square both sides to get

x^2-24x+144=x and get everything on one side to solve for x by factoring:

x^2-25x+144=0 and factor that however it is you have learned to factor second-degree polynomials to get that

x = 16 and x = 9. We have to check for extraneous solutions because anytime you manipulate an equation, as we did by squaring both sides, you run the risk of these solutions that actually don't work when you plug them back into the original equation. Let's try 16 first:

\frac{16-9}{\sqrt{16}+3 }=1  If 16 is a solution, then this statement will be mathematically true.

\frac{7}{4+3}=1  and   \frac{7}{7}=1 so 16 works. Let's try 9:

\frac{9-9}{\sqrt{9}+3 }=1  We know that one doesn't work, because 9-9 = 0 and 0 over anything = 0, not 1.

x = 16 is the only solution.

5 0
3 years ago
Read 2 more answers
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