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tresset_1 [31]
3 years ago
9

A florist sells 3 similar bouquets of flowers for $78. What is the cost per bouquet?

Mathematics
2 answers:
disa [49]3 years ago
7 0
$26 i believe
You just divide 78 by 3
jeka943 years ago
6 0
The answer to this question is $26 per bouquet
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(02.02)A train can travel 744 miles in 3 hours. What is the unit rate that this train is traveling per hour? _____ miles per hou
Fynjy0 [20]

If the train travels 744 miles in 3 hours then to determine the unit rate the train is traveling per hour you have to divide the miles by the hours, in this case (744 miles)/(3 hours). The final result concludes as 248 miles per hour.

7 0
3 years ago
If 4 cups of water ran down the drain everyday, how many gallons would be lost over a year?
nataly862011 [7]
There are 365 days in a year, 365 multiplied by 4 cups a day... the answer is 1,460 cups went down the drain in a year.
Here, hope this helps :)
6 0
3 years ago
Tammy is selling tickets for the school jazz band concert. Adult tickets cost $5, and student tickets cost $3. If Tammy sells a
N76 [4]
Adult+student=170 ----(1)
5adult+3student=650 ----(2)

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so adult = 70
then student = 170-70 = 100

answer: Tammy sold 70 adult tickets and 100 student tickets
4 0
3 years ago
Read 2 more answers
A population of values has a normal distribution with μ = 149.8 μ=149.8 and σ = 68.2 σ=68.2. You intend to draw a random sample
Len [333]

Answer:

There is a 49.20% probability that a single randomly selected value is less than 148.3.

There is a 38.21% probability that a sample of size n = 186 n=186 is randomly selected with a mean less than 148.3.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

A population of values has a normal distribution with \mu = 149.8 and σ=68.2.

Find the probability that a single randomly selected value is less than 148.3

This is the pvalue of Z when X = 148.3.

Z = \frac{X - \mu}{\sigma}

Z = \frac{148.3 - 149.8}{68.2}

Z = -0.02

Z = -0.02 has a pvalue of 0.4920

There is a 49.20% probability that a single randomly selected value is less than 148.3.

Find the probability that a sample of size n = 186 n=186 is randomly selected with a mean less than 148.3.

We want to find the mean of the sample, so we have to find the standard deviation of the population. That is

s = \frac{68.2}{\sqrt{186}} = 5

Now, we have to find the pvalue of Z when X = 148.3.

Z = \frac{X - \mu}{\sigma}

Z = \frac{148.3 - 149.8}{5}

Z = -0.3

Z = -0.3 has a pvalue of 0.3821

There is a 38.21% probability that a sample of size n = 186 n=186 is randomly selected with a mean less than 148.3.

8 0
3 years ago
Those are not the powers question from transformation of product and sum trigonometry
OlgaM077 [116]

Answer:

see explanation

Step-by-step explanation:

Using the sum to product identity

cosx + cosy = 2cos(\frac{x+y}{2} )cos( \frac{x-y}{2} )

Consider left side

(cos5A +cos3A) + (cos15A + cos7A)

= 2cos(\frac{5A+3A}{2} )cos(\frac{5A-3A}{2} ) + 2cos( \frac{15A+7A}{2}) cos( \frac{15A-7A}{2} )

= 2cos(\frac{8A}{2}) cos(\frac{2A}{2}) + 2cos(\frac{22A}{2} )cos(\frac{8A}{2} )

= 2cos4AcosA + 2cos11A cos4A ← factor out 2cos4A from both terms

= 2cos4A( cos11A + cosA) ← repeat the process

= 2cos4A( 2cos(\frac{11A+A}{2} )cos(\frac{11A-A}{2} )

= 2cos4A(2cos(\frac{12A}{2})cos(\frac{10A}{2} )

= 2cos4A(2cos6A cos5A)

= 4cos4Acos5Acos6A

= right side , thus verified

8 0
3 years ago
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