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Bess [88]
2 years ago
10

PLEASE HELP ASAP!!!! I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Law Incorporation [45]2 years ago
4 0

Answer:

gl lol

I'm not American

not the same program

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Expand: In 2a3/b4<br> In 2 + 3 In a - 4 In b<br> In 2 - 3 In a - 4 In b<br> In 2-3 In a + 4 In b
weqwewe [10]

Answer:

ln(2) + 3ln(a) - 4ln (b)

Step-by-step explanation:

ln(2a^3 /b^4)

We know that ln(x/y) = ln (x) - ln y

ln(2a^3 ) - ln (b^4)

We know that ln (xy) = ln x + ln y

ln(2) + ln(a^3 ) - ln (b^4)

We know that ln(x^y) = y ln (x)

ln(2) + 3ln(a) - 4ln (b)

8 0
4 years ago
A sample of 5 strings of thread is randomly selected and the following thicknesses are measured in millimeters. Give a point est
liq [111]

Answer:

s^2 = \frac{(1.48-1.502)^2 +(1.45-1.502)^2 +(1.54-1.502)^2 +(1.52-1.502)^2 +(1.52-1.502)^2}{5-1} =0.00132

And for the deviation we have:

s= \sqrt{0.00132}=0.0363

And that value represent the best estimator for the population deviation since:

E(s) =\sigma

Step-by-step explanation:

For this case we have the following data:

1.48,1.45,1.54,1.52,1.52

The first step for this cae is find the sample mean with the following formula:

\bar X =\frac{\sum_{i=1}^n X_}{n}

And replacing we got:

\bar X= \frac{1.48+1.45+1.54+1.52+1.52}{5} = 1.502

And now we can calculate the sample variance with the following formula:

s^2 =\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}

And replacing we got:

s^2 = \frac{(1.48-1.502)^2 +(1.45-1.502)^2 +(1.54-1.502)^2 +(1.52-1.502)^2 +(1.52-1.502)^2}{5-1} =0.00132

And for the deviation we have:

s= \sqrt{0.00132}=0.0363

And that value represent the best estimator for the population deviation since:

E(s) =\sigma

4 0
3 years ago
Read 2 more answers
VERY DIFFICULT!! HELP NEEDED
Nataly [62]

Answer:

4 dogs....hope it helps u

8 0
3 years ago
(1)Kamlesh brought a juice bottle of 5 litres. He drank 214 litres
Ainat [17]

Answer:

I think there is a typing error it should be 214 ml

Step-by-step explanation:

1 litre = 1000 ml

5 litre= 5000ml

5000- 214= 4786

hope it helps :)

5 0
3 years ago
Sam paid $131 for 4 Rodeo Concert Tickets. Each ticket cost the same amount. What was the cost of each concert ticket in dollars
sveticcg [70]

Answer:

$32.75 each ticket

Step-by-step explanation:

131 / 4 = $32.75 each ticket

4 0
3 years ago
Read 2 more answers
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