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2 years ago

An amusement park's cost for cotton candy is $1.50. The markup rate for cotton candy is

Mathematics

1 answer:

mario62 [17]2 years ago

5 0

Answer:

The answer is $6

Hope this helps!

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4) Mr. Conner is starting a marching band at his school. Mr. Conner has 210 students who are interested in

zhenek [66]

Answer:168

Step-by-step explanation:80% × 210= 0.80× 210 = 168

6 0

3 years ago

I=? p=500 r=8% t=3 months 3/12 what is I

olga nikolaevna [1]

Answer:

i=40

Step-by-step explanation:

i is the interest. So to find i we will multiply their pay by the rate.

500 x 8% or .08

500 x .08=40

So the interest of this equation (or i) is 40

5 0

3 years ago

The graph below represents which system of inequalities? graph of two infinite lines that intersect at a point. One line is soli

Triss [41]

(0,2)(-2,0)
slope = (0 - 2) / -2 - 0) = -2/-2 = 1
(0,2)...x = 0 and y = 2
sub and find b, the y int
2 = 1(0) + b
2 = b
equation is : y = x + 2......solid line, means there is an equal sign....shaded below the line means less then....
ur inequality for this line is : y < = x + 2

(0,6)(3,0)
slope = (0 - 6) / (3 - 0) = -6/3 = -2

y = mx + b
slope(m) = -2
(0,6)...x = 0 and y = 6
sub and find b, the y int
6 = -2(0) + b
6 = b

ur equation is : y = -2x + 6....dashed line means there is no equal sign...and shading below the line means less then...
so ur inequality of this line is : y < -2x + 6

In summary, ur 2 inequalities are : y < = x + 2 and y < -2x + 6

4 0

2 years ago

A radio station claims that the amount of advertising per hour of broadcast time has an average of 13 minutes and a standard dev

zimovet [89]

Answer:

$Z = 3.33$

Step-by-step explanation:

Z-score:

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 question:

$\mu = 13, \sigma = 1.2$

You listen to the radio station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 17 minutes. Calculate the z-score for this amount of advertising time.

We have to find Z when X = 17. So

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

$Z = \frac{17 - 13}{1.2}$

$Z = 3.33$

5 0

2 years ago

Find p(4) p(x) = 3x - 9<br>

never [62]

Answer:

p(4)=3

Step-by-step explanation:

p(4)=3(4)-9=12-9=3

3 0

2 years ago