Pleaseeee help me with thissss pleaseeee

Answer:

c

Step-by-step explanation:

both of the familys have higher cost and have to stay longer

Final answer:

After solving systems of equations for each pair of families, the Abbott and Carson Families are the ones that fit the conditions allowing the largest possible nightly hotel cost.

Explanation:

Let's examine the vacation expenses for each family to determine which two families could have paid the same price per night at their hotel and per airline ticket for the largest possible nightly hotel cost. We must establish a system of equations to represent the total vacation expenses in terms of hotel cost per night (H) and airline ticket cost (A).

For the Abbott Family:
4H + 3A = $840

For the Baker Family:
9H + 2A = $1,130

For the Carson Family:
6H + 5A = $2,080

To determine which two families could have the same hotel and ticket costs, we should look for the two equations that can be true simultaneously for the highest values of H. For ease of calculation, we can eliminate one family at a time and solve the remaining pair of equations for H and A.

By trying different combinations, we can find that the Abbott and Carson Families fit the conditions allowing the largest possible nightly hotel cost. Here's the reasoning:

• If the Abbott and Baker families paid the same rates, then solving the equations yields illogical negative values for the costs.
• If the Carson and Baker families paid the same rates, the solution yields a lower hotel rate compared to the Abbott and Carson combination.
• Using the Abbott and Carson families' equations, and solving for H and A yields feasible positive values, with the highest cost per night for the hotel.

Hence, option B, the Abbott and Carson Families, is the right choice for the largest possible nightly hotel cost.

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Answer:A

Step-by-step explanation:

The dot means less than or equal to 2

Open dot means greater than 2

Answer:

39,144,000 km

Step-by-step explanation:

Hi there!

Distance traveled = time * speed

Given speed: 233000 km/h

Given time: 7 days

It's important to note that our speed is given in per hours and out time is given in days. So in order to find how far the comet has traveled we must convert days to hours.

There are 24 hours in 1 day.

So to convert days to hours simply multiply amount of days by 24

24 * 7 = 168

So the comet has traveled for 168 hours

Now we can find distance traveled

Once again distance traveled = time * speed

Given speed is 233000 km/h

Given time is 168 hours

Distance = 168 * 233000 = 39,144,000

So the comet has traveled for a total distance of 39,144,000 km

To express the repeating decimal 8.54545454545... as a rational number, we can use the concept of infinite geometric series. The rational number equivalent is 282/33.

To express the repeating decimal 8.54545454545… as a rational number, we can use the concept of infinite geometric series. Let x = 8.54545454545…, then multiplying x by 100 gives 100x = 854.54545454545…. Next, subtracting the original x equation from the 100x equation eliminates the repeating decimals, giving 99x = 846. Dividing both sides by 99 results in x = 846/99. Simplifying the fraction by dividing both the numerator and denominator by their greatest common divisor, which is 3, gives the final answer: x = 282/33.

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If you mean p/q, then this is how you do it:

Therefore your final answer is 94/11, where p is 94 and q is 11.

Answer:

Now we can calculate the p value with this probability:

Since the p value is a very low value and using any significance level 5% or 10% we have enough evidence to reject the null hypothesis and we can conclude that the true proportion of customer complaints using the old dough is less than the proportion of customer complaints using the new dough.

Step-by-step explanation:

Information provided

represent the complaints with the old dough

represent the complaints with the new dough

sample 1 selected  

sample 2 selected  

represent the proportion of complaints with the old dough

represent the proportion of complaints with the new dough

represent the pooled estimate of p

z would represent the statistic

represent the value

Hypothesis to test

We want to verify if the proportion of customer complaints using the old dough is less than the proportion of customer complaints using the new dough, the system of hypothesis would be:    

Null hypothesis:    

Alternative hypothesis:    

The statitsic is given by:

  (1)  

Where  

Replacing the info provided we got:

Now we can calculate the p value with this probability:

Since the p value is a very low value and using any significance level 5% or 10% we have enough evidence to reject the null hypothesis and we can conclude that the true proportion of customer complaints using the old dough is less than the proportion of customer complaints using the new dough.