<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bt%20%7D%20%20%20%3D%20%20%20%20%7B3%7D%5E%7Bt%20-%201%7D%20" id="TexFormula1"

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harina [27]

3 years ago

title=" {2}^{t } = {3}^{t - 1} " alt=" {2}^{t } = {3}^{t - 1} " align="absmiddle" class="latex-formula">
Solve for "t"

Mathematics

1 answer:

Over [174]3 years ago

6 0

T would be equal to 3ti

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Michael is taking an Uber ride from his house to meet his friend at a restaurant. The table shows the approximate distances the

Aliun [14]

Answer: Answer is B

Explanation: Just divide the number of miles by the minutes. 1.2/5 = .24

1.92/8 = .24 and more stuff like that.

7 0

3 years ago

Brainliest for correct answer

Mashutka [201]

Answer:

one third of the volume

Step-by-step explanation:

5 0

3 years ago

The amount of lateral expansion (mils) was determined for a sample of n = 8 pulsed-power gas metal arc welds used in LNG ship co

Alona [7]

Answer:

95% Confidence interval for the variance:

$3.6511\leq \sigma^2\leq 34.5972$

95% Confidence interval for the standard deviation:

$1.9108\leq \sigma \leq 5.8819$

Step-by-step explanation:

We have to calculate a 95% confidence interval for the standard deviation σ and the variance σ².

The sample, of size n=8, has a standard deviation of s=2.89 miles.

Then, the variance of the sample is

$s^2=2.89^2=8.3521$

The confidence interval for the variance is:

$\dfrac{ (n - 1) s^2}{ \chi_{\alpha/2}^2} \leq \sigma^2 \leq \dfrac{ (n - 1) s^2}{\chi_{1-\alpha/2}^2}$

The critical values for the Chi-square distribution for a 95% confidence (α=0.05) interval are:

$\chi_{0.025}=1.6899\\\\\chi_{0.975}=16.0128$

Then, the confidence interval can be calculated as:

$\dfrac{ (8 - 1) 8.3521}{ 16.0128} \leq \sigma^2 \leq \dfrac{ (8 - 1) 8.3521}{1.6899}\\\\\\3.6511\leq \sigma^2\leq 34.5972$

If we calculate the square root for each bound we will have the confidence interval for the standard deviation:

$\sqrt{3.6511}\leq \sigma\leq \sqrt{34.5972}\\\\\\1.9108\leq \sigma \leq 5.8819$

6 0

3 years ago

Really confusing......

valina [46]

Answer:

She spent 40 more dollars or to be exact 40.70 dollars more then aiden

Step-by-step explanation:

Aiden bought 60 candles.

0.37*60 is equal to $22.20

Aidens sister bought 170 candles at same price of $0.37

0.37*170=$62.90

Now subtract

$62.90-22.20=$40.70

She spent 40 more dollars or to be exact 40.70 dollars more then aiden

4 0

3 years ago

Read 2 more answers

Twelve of the 28 students in a class have a dog. What is the ratio of students who have a dog to students who do not?

Novay_Z [31]

Answer:

dont no

Step-by-step explanation:

dont no

7 0

3 years ago