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Bess [88]
3 years ago
11

Find an expression that is equivalent to this expression:

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
6 0
There is not expression listed above. 
You might be interested in
Which is equal to 6^-8/6^-2 A. 616 B. 64 C. 6−6 D. 6−10
rjkz [21]
6-6.
6^-8/6^-2 becomes 6^-8(6^2) which is 6^-8+2=6^-6
4 0
3 years ago
26 Points!!! Select True or False for each equation.
ArbitrLikvidat [17]

Answer:

The first one is true, meanwhile the second is false!

Step-by-step explanation:

The first one both simplify to -3.

The second one, -6/-2 ( fraction ) simplifies to positive 3 because dividing or multiplying by 2 negative numbers cancels out the negative sign.

Hope it helps!

4 0
3 years ago
Read 2 more answers
Geometry help?<br> 24/10<br> 10/24<br> 24/26<br> 10/26
olasank [31]
24/26 or opposite over adjacent. The answer is C
8 0
3 years ago
L
Effectus [21]

Answer:

Step-by-step explanation:

7 0
2 years ago
Weight of a rock: In a geology course, students are learning to use a balance scale to accurately weigh rocks. One student plans
statuscvo [17]

Answer:

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

Step-by-step explanation:

What is Confidence Interval?

The confidence interval represents an interval that we can guarantee that the target variable will be within this interval for a given confidence level.  

The confidence interval is given by

CI = \bar{x} + t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) \\

Where \bar{x} is the mean weight \sigma is the standard deviation t_{\alpha/2} is the critical value from t-table and n is the sample size.

The term t_{\alpha/2}(\frac{\sigma}{\sqrt{n} } ) is known as margin of error.

As the sample size is decreased the corresponding margin of error increases which results in wider confidence interval which means smaller precision.

The student who weighted the rock 5 times has a 95% confidence interval of (25.2, 29.1) which is guaranteed to be more wider (less precise) than the other student who weighted the rock 20 times.

We can say with 95% confidence that the true mean weight of the rock is within the interval of (25.2, 29.1).

7 0
3 years ago
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