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Brilliant_brown [7]
3 years ago
6

What does a positive correlation tell you about the graph that compares advertising costs and sales. Would the owners of the com

pany be happier if the slope was steeper or flatter? Explain.
Mathematics
2 answers:
MArishka [77]3 years ago
5 0
A positive correlation means sales are rising because of advertising
 the steeper the chart the more money is being made, so the owner would be happier with a steeper slope
Viefleur [7K]3 years ago
5 0

It means that sales are rising due to advertising. The owners would be happier with a steeper slope because it means higher sales for less monetary expense
(mo money less spending y'all)
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baherus [9]
All you do is 2.5 times the number of feet so 2.5x , x is the number of feet
3 0
3 years ago
Jina made 6 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 6 necklaces w
Nonamiya [84]

Answer:

$3.215

Step-by-step explanation:

Total cost of the beads and pendants = $33.60

Total number of necklaces = 6

Cost of beads = $14.40

To find : cost of each pendant.

Total cost of pendants = $33.69 - $14.40

= $19.29

Now, cost of each pendant = $19.29/6

= $3.215

8 0
3 years ago
A university with a high water bill is interested in estimating the mean amount of time that students spend in the shower each d
yuradex [85]

Answer:

a) lower limit = 4.295 minutes

b) upper limit = 6.365 minutes

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 5.33 minutes

Standard deviation r = 1.33 minutes

Number of samples n = 11

Confidence interval = 99%

z(at 99% confidence) = 2.58

Substituting the values we have;

5.33+/-2.58(1.33/√11)

5.33+/-2.58(0.401010088288)

5.33+/-1.0346060277

5.33+/-1.035

= ( 4.295, 6.365) minutes

Therefore at 99% confidence interval (lower, upper limit) = ( 4.295, 6.365) minutes

a) lower limit = 4.295 minutes

b) upper limit = 6.365 minutes

3 0
3 years ago
The area of ABC is 72 square centimeters. find area of DEF
Sliva [168]
20. because 100/5=20cm2
8 0
3 years ago
Read 2 more answers
Mr. Ellis owns a landscaping company. He sends two crews to mow grass. Crew A mows 6 acres in 7.5 hours. Crew B mows 4.5 acres i
In-s [12.5K]

Hey there!

The answer to your question is Crew A

We can find this by first finding the unit rate, or acres per hour. We can divide the amount of acres by the amount of hours.

Crew A : 6/7.5 = 0.8 acres per hour

Crew B : 4.5/6 = 0.75 acres per hour

With the data above, we can see that Crew A is faster.

Hope it helps and have an amazing day! Remember, You've got this!

5 0
3 years ago
Read 2 more answers
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