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mariarad [96]
3 years ago
6

The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.

Mathematics
1 answer:
Oliga [24]3 years ago
3 0
1st, add outcomes:10+6+4+8+6+6=40
2nd, add the outcomes of the numbers you want:(3)->4 (6)->6 4+6=10
3rd, put them over each other \frac{Numbers You Want}{Total Outcomes}: \frac{10}{40} =  \frac{1}{4}
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-8-8x^2=-31<br> how to solve for x
Zepler [3.9K]

Answer:

x = ± \sqrt{\frac{23}{2\sqrt{2}}}

Step-by-step explanation:

-8 - 8x^2= -31

Since this is a quadratic, it needs to be factored.

First, move the x to the other side:

-8 = 8x^2 - 31

Then, get the x alone by first adding 31:

23 = 8x^2

then dividing by 8:

x^2 = 23/8

Finally, square root both sides and remember the even roots property:

x = ± \sqrt{\frac{23}{8}}

and simplify the root 8:

x = ±  \sqrt{\frac{23}{2\sqrt{2}}}

Note: This answer may have a mistake.

8 0
2 years ago
A new battery is expected to have a storage capacity of 60 ampere-hour (A h). A sample is tested, resulting in a 2-side confiden
antoniya [11.8K]

Answer:

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %    

Step-by-step explanation:

We are given the following in the question:

Mean storage capacity = 60 ampere-hour

95% confidence interval =

63\leq \mu \leq 72

Thus, the correct answer based on the confidence interval is

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %

Since it is a two sided test we test whether the mean storage capacity is 60 Ah or different than 60 Ah

Thus, the battery storage is different from 60 Ah because the mean storage capacity does not lie in the 95% confidence interval.

4 0
3 years ago
Can someone help me on this problem i am stuck?
gavmur [86]
Not that hard. Its B

4 0
3 years ago
—2t(t+1),<br> t &lt; 6<br> 5t<br> g(t) =<br> =<br> ,6 6<br> 2t2 + 3t<br> t&gt; 12<br> g(12) =
yuradex [85]

Answer:to Let f(t) = 6, g(t) = −5t, and h(t) = 2t2

Step-by-step explanation:

3 0
2 years ago
What is the value of y in the equation 3y - 8 = 22?
ArbitrLikvidat [17]

10

Step-by-step explanation:

3y-8=22

3y=22+8

3y=30

y=30/3

y =10

7 0
3 years ago
Read 2 more answers
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