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saul85 [17]
3 years ago
12

Nikola buys a bouquet of 8 flowers for $18, how much does 1 flower cost?

Mathematics
2 answers:
Anni [7]3 years ago
7 0
This is easy division. If Nikola bought 8 flowers that cost an equal amount, then you divide the total cost (18) by the number of flowers (8), you get $2.25 per flower. 
Setler79 [48]3 years ago
3 0
$2.25 per flower
because $18 divided by the number of flowers, 8, equals the answer.
I hope I helped
Please make me brainliest<span />
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IgorLugansk [536]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

µ = $5

For the alternative hypothesis,

µ < $5

number of samples taken = 10

Sample mean, x = (4 + 3 + 2 + 3 + 1 + 7 + 2 + 1 + 1 + 2)/10 = 2.6

To determine sample standard deviation, s

s = √(summation(x - mean)/n

n = 12

Summation(x - mean) = (4 - 2.6)^2 + (3 - 2.6)^2 + (2 - 2.6)^2 + (3 - 2.6)^2 + (1 - 2.6)^2 + (7 - 2.6)^2 + (2 - 2.6)^2 + (1 - 2.6)^2 + (1 - 2.6)^2 + (2 - 2.6)^2 = 30.4

s = √30.4/10 = 1.74

Since the number of samples is 10 and no population standard deviation is given, the distribution is a student's t.

Since n = 10,

Degrees of freedom, df = n - 1 = 10 - 1 = 9

t = (x - µ)/(s/√n)

Where

x = sample mean = 2.6

µ = population mean = 5

s = samples standard deviation = 1.74

t = (2.6 - 5)/(1.74/√10) = - 4.36

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7 0
3 years ago
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Answer:

- 7/2

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6 0
3 years ago
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GaryK [48]

Answer:

45

Step-by-step explanation:

According to the Question,

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And there were Total 135 competitors.

So, the Number of Boys are 135 × (2/5) = 54 boys

Therefore, the Number of Girls in the competition is 135-54 = 81 Girls.

Now,

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7 0
2 years ago
The table below shows the information given on a can of turkey chili.
likoan [24]

Answer:

(from most to least)

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2. Total fat (3.5g)

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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