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4 years ago

What is 7 over 8 devised by 178

Mathematics

1 answer:

ivanzaharov [21]4 years ago

6 0

Answer:

0.00491573034

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Which of the following are considered measures of variability?

bixtya [17]

Answer:

the answers are interquartile range and mean absolute deviation

Step-by-step explanation:

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3 years ago

a player gets to throw 4 darts at the target shown. Assuming the player will always hit the target, the probability of hitting a

padilas [110]

Answer:

3.375

Step-by-step explanation:

(3/5)^3 / (2/5)^3 = 3.375

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3 years ago

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Please please please help me!!

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3 years ago

LOIHal y LU LIC LOIVCI SC VILHC ISUSLCICS langic TCUICHT

vlada-n [284]

Answer:

straight angle

Step-by-step explanation:

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3 years ago

In a geometric sequence, a4 = 54 and a7 = 1,458. what is the 12th term? answer: B) 354,294

slamgirl [31]

Option B:

The 12th term is 354294.

Solution:

Given data:

$a_4=54$ and $a_7=1458$

To find $a_{12}:$

The given sequence is a geometric sequence.

The general term of the geometric sequence is $a_n=a_1\ r^{n-1}$ .

If we have 2 terms of a geometric sequence $a_n$ and $a_k$ (n > K),

then we can write the general term as $a_n=a_k\ r^{n-k}$ .

Here we have $a_4=54$ and $a_7=1458$ .

So, n = 7 and k = 4 ( 7 > 4)

$a_7=a_4\ .\ r^{7-4}$

$1458=54\ . \ r^3$

This can be written as

$$r^3=\frac{1458}{54}$

$$r^3=27$

$$r^3=3^3$

Taking cube root on both sides of the equation, we get

r = 3

$a_{12}=a_7\ .\ r^{12-7}$

$=1458\ .\ r^5$

$=1458\ .\ 3^5$

$a_{12}=354294$

Hence the 12th term of the geometric sequence is 354294.

7 0

3 years ago