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Mkey [24]
3 years ago
14

Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the term a30 of the sequence.

Mathematics
1 answer:
GenaCL600 [577]3 years ago
5 0
The answer is \frac {3}{2^{29}}
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HELPPPPP!!!!! 32 points!
GaryK [48]
Given situation: => 18 times 4 to the second power plus (9 minus 3) to the second powerLila answers 324 while Rob answers 360 in the given problem or equation.Now, let's try to solve it to know who got the correct answer:=> 18 x 4^2 + (9 - 3)^2, since we have a parenthesis in our equation, we need to solve it first=> 18 * 4^2 + (6)^2=> 18 * (4* 4) + (6 * 6)=> (18 * 16) + 36=> 288 + 36=> 324<span>Thus Lila got the correct answer</span>
6 0
3 years ago
Luisa's current swimming record is 12% faster than it was last year. If her record last year was 4 minutes and 23 seconds, what
Elden [556K]
12% less since faster
100%-12%=88%

88% of 4 min and 23 sec=
0.88 times 263 seconds=
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7 0
3 years ago
A regression by a sample of 10 observations gives: Score=49.5+1.96 Study Hours. The sample mean of study hour is 10.5 and sum of
amm1812

Answer:

0.1463

Step-by-step explanation:

Number of observations = 10

Sample mean = 10.5

Sum of standard deviation = 264.5

X = 14

We are to calculate The leverage statistic for study hour 14 using the data above

= 1/10 + (14-10.5)²/264.5

= 1/10 + 3.5²/264.5

= 0.1 +12.25/264.5

= 0.1+0.04631

= 0.1463 is the leverage statistic for the study

4 0
3 years ago
X^3 = 125 over 27 CAN I PLEASE GET HELP
Zinaida [17]
X³ = 125/27

Cube root both sides to isolate the variable:

∛x³ = ∛(125/27)

x = ∛(125/27)

∛125 = 5, ∛27 = 3

x = 5/3 
5 0
3 years ago
Write a summary can Smartphones improve student lives? why or why not ( in your own words )
bonufazy [111]

Answer:

Smartphones can imrove student lives by giving students the ability to contact their teachers to ask questions or comment on a specific work. they can also allow the student to look up answers and learn from what others think. Smartphones can also add distractions in class and allow an easy way to cheat on a test or a quiz. Overall Smartphones can be beneficial and harmful to a students life.

Step-by-step explanation:

4 0
3 years ago
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