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babunello [35]
3 years ago
12

HELP!!

Mathematics
1 answer:
Naily [24]3 years ago
6 0

Answer:

Step-by-step explanation:

30.3 dqibeided by sibdka equal 30.234

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Its 94 i said it first tho so does that mean i get brainliest
Softa [21]

Answer:

YA if you said it first ya you are supposed to get brainlies ONLY if the question says will give brainliest if your right

Step-by-step explanation:

3 0
2 years ago
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Alexeev081 [22]
1)
evaluate when x = 6
5 + x
so when x = 6 then 5 + 6 = 11
answer

11

2)
2/6
in lowest term = 1/3 (divide top and bottom by 2)

3)
evaluate when x = 1
8 + x
so when x = 1 then 8 + 1 = 9
answer: 9

4)
14/48 
lowest term = 7/24 (divide top and bottom by 2)
5 0
3 years ago
Read 2 more answers
The world's heaviest man is reported to have had a mass of 635 kg what was his weight
nataly862011 [7]

Answer:

about 6230 N

Step-by-step explanation:

The mass is given to 3 significant figures, so we need a value for the acceleration due to gravity that is at least 3 significant figures. The standard value is 9.80665 m/s². Using that, the force is ...

... F = ma = (635 kg)(9.80665 m/s²) = 6227.22275 N

Since the mass is only good to 3 significant figures, the force must be rounded to that precision: 6230 N.

3 0
3 years ago
5. If the sample size had been 2,500 registered voters, and the results stated 47% would vote for the Republican governor, and 4
icang [17]

Answer:

If we replace for the proportion estimated for the republican governor we got:

ME=1.96\sqrt{\frac{0.47 (1-0.47)}{2500}}=0.0196    

And the confidence interval given by:

0.47-0.0196= 0.45

0.47+0.0196= 0.49

If we replace for the proportion estimated for the democratic chalenger we got:

ME=1.96\sqrt{\frac{0.45 (1-0.45)}{2500}}=0.0195    

And the confidence interval given by:

0.45-0.0195= 0.43

0.45+0.0195= 0.47

As we can see both confidence intervals not contain the value 0.5 for the true proportion so then the director cannot said that the election was a toss up at 5% of significance.

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{p(1-p)}{n}})

Solution to the problem

We assume for this case a confidence of 95%. In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

If we replace for the proportion estimated for the republican governor we got:

ME=1.96\sqrt{\frac{0.47 (1-0.47)}{2500}}=0.0196    

And the confidence interval given by:

0.47-0.0196= 0.45

0.47+0.0196= 0.49

If we replace for the proportion estimated for the democratic chalenger we got:

ME=1.96\sqrt{\frac{0.45 (1-0.45)}{2500}}=0.0195    

And the confidence interval given by:

0.45-0.0195= 0.43

0.45+0.0195= 0.47

As we can see both confidence intervals not contain the value 0.5 for the true proportion so then the director cannot said that the election was a toss up at 5% of significance.

8 0
3 years ago
The card is a two given that it is black. What is the probability ( the standard deck is 52 cards)
Ira Lisetskai [31]
If I understand the question correctly the the probability would be 2/52 or simplified 1/26
3 0
2 years ago
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