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3 years ago

The diagram shows a regular pentagon

Mathematics

1 answer:

Triss [41]3 years ago

5 0

Answer:

a = 540°

b= 180°

Step-by-step explanation:

a= pentagon has 5 sides which means 180 × 5= 540

b= 540÷5=180

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Which of the following is an example of a null hypothesis? A. The average quantity of detergent put into a box by this filling m

gavmur [86]

Answer:

Step-by-step explanation:

Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis

A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim

B. This again is an example of alternate hypthesis. The claim that mean is 0.03 is rejected with the results

C. This is a claim

D. This is rejection of a claim that mean is 1 pound

E. This is rejection of claim that average delivery time is 3 days.

5 0

3 years ago

The Vanderbloom family already traveled 200 miles on their vacation. The total distance that they will travel (d) is a function

allochka39001 [22]

Answer:

See explanation

Step-by-step explanation:

The question is incomplete. However, I'll ask and answer possible questions that emanate from the given parameter.

A possible question is: Write the given information as a function of distance.

We have that;

$Base\ Distance = 200$

$Time = t$

$Rate = r$

The function would be calculated as:

Base Distance + Rate * Time

Substitute values for Base Distance, Rate and Time

This gives:

$200 + r * t$

$200 + rt$

Hence;

$Distance = 200 + rt$

Another possible question is to determine the current distance travelled by the family at a rate of 80 miles per hour for 3 hours.

Here, we have:

$r = 80$

$t = 3$

Substitute these values in $Function = 200 + rt$

$Distance = 200 + 80 * 3$

$Distance = 200 + 240$

$Distance = 440$

3 0

3 years ago

A national survey indicated that 30% of adults conduct their banking online. It also found that 40% are under the age of 50. and

Svet_ta [14]

Answer:

Step-by-step explanation:

Hello!

I'll express all the given percentages as probabilities:

Given the events:

Banking online (Bo)

Under the age of 50 (<50)

P(Bo)= 0.30

P(<50)= 0.40

P(Bo ∩ <50)= 0.25

1) What percentage of adults do not conduct their banking online?

The event "adults that do not conduct their baking online" is the complement of the event "adults that conduct their baking online" Symbolically $Bo^c$