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d1i1m1o1n [39]
3 years ago
8

Jake has $40. Sam has $6 less than Jake. How much money do Jake and Sam have combined?

Mathematics
1 answer:
ololo11 [35]3 years ago
5 0

74$ is your answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

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An investigator wants to assess whether the mean m = the weight of passengers flying on small planes exceeds the FAA guideline o
stira [4]

Answer:

H_{0}: \mu= 185 and H_{a}: \mu > 185

Step-by-step explanation:

The null hypothesis H_{0} states that a population parameter (such as the mean, the standard deviation, and so on) is equal to a hypothesized value. We can write the null hypothesis in the form H_{0}: parameter = value

In this context, the investigator's null hypothesis should be that the average total weight is no different than the reported value by the FAA. We can write it in this form H_{0}: \mu= 185.

The alternative hypothesis H_{a} states that a population parameter is smaller, greater, or different than the hypothesized value in the null hypothesis. We can write the alternative hypothesis in one of three forms

H_{a}: parameter > value\\H_{a}: parameter < value\\H_{a}: parameter \neq value

The investigator wants to know if the average weight of passengers flying on small planes exceeds the FAA guideline of the average total weight of 185 pounds. He should use H_{a}: \mu > 185 as his alternative hypothesis.

7 0
3 years ago
a group of five people can do a piece of work in 6 hours calculate the time a group of 8 people will take to complete the same w
frosja888 [35]

Answer:

3.75 hours

Step-by-step explanation:

Total time needed

5 * 6 = 30 hours

with 8 people

30/8 = 3.75 hours

5 0
3 years ago
Read 2 more answers
Name a pair of complementary angles.
allochka39001 [22]

complementary angles = 90 degrees

two angles would be BGC (35 degrees) and CGD ( 55 degrees)

35+55 = 90

8 0
3 years ago
Pls hellllllllllllpppp ​
Crazy boy [7]
A is the correct answer
6 0
3 years ago
Hi my sisters and brothers can tell me the answer please because I don’t understand the question
sergey [27]

Answer:

13 cm

Step-by-step explanation:

Using the Pythagoras therorem

We get the answer as

Root of (12squared +5squared)

Root of (144+25)

Root of 169

=>13 cm

3 0
3 years ago
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