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trapecia [35]
3 years ago
6

Each of Hashim's comedy shows lasts for 75 minutes. He tells an average of 8 jokes every minute. How many of Hashim's comedy sho

ws does one need to watch to hear 2400 jokes? Choose 1 answer: Choose 1 answer:
Mathematics
2 answers:
Tomtit [17]3 years ago
7 0
In this case we can make a proportion.

\frac{8 \: jokes}{75 \: mins}  =  \frac{x \: jokes}{1200 \: mins}
Now cross multiply.

9600 = 75x

Divide both sides by 75.

X=128

He will make 128 jokes in 1200 mins.
zhuklara [117]3 years ago
3 0

Answer: 4 shows

Step-by-step explanation:

Hi, to answer this question, first, we have to multiply the number of jokes in one minute (8) by the length of the show (75)

8 x 75= 600 jokes per show

Now that we have the amount of jokes in one show, we simply have to divide the number of jokes asked (2400) by the number of jokes per show (600)

2400/ 600=4  shows

Feel free to ask for more if needed or if you did not understand something.

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8 0
3 years ago
For the following paired data, (1) Calculate the correlation coefficient, r, and (2) at the 0.05 significance level, determine w
expeople1 [14]

Answer:

Linear correlation exists

Step-by-step explanation:

Given the data :

X : | 2 4 5 6

Y : | 6 9 8 10

Using technology to fit the data and obtain the correlation Coefficient of the regression model,

The Correlation Coefficient, r is 0.886

To test if there exists a linear correlation :

Test statistic :

T = r / √(1 - r²) / (n - 2)

n = number of observations

T = 0.886 / √(1 - 0.886²) / (4 - 2)

T = 0.866 / 0.3535845

T = 2.449

Comparing Pvalue with α

If Pvalue < α ; Reject H0

Pvalue = 0.1143

α = 0.05

Pvalue > α ; We reject the null and conclude that linear correlation exists

7 0
3 years ago
The graph of the function f(x) = –(x + 6)(x + 2) is shown below. On a coordinate plane, a parabola opens down. It goes through (
seropon [69]

Answer:

see below

Step-by-step explanation:

f(x) = –(x + 6)(x + 2)

The function is increasing until it reaches the vertex, so it will increase until x=-4.  The function will decrease after the vertex, so after x = -4

increasing: -∞ < x < -4

decreasing : -4 < x < ∞

6 0
3 years ago
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An 8-meter roll of blue ribbon costs $5.12. What is the unit price?<br> per meter<br> Submit
ivann1987 [24]

Answer:

$0.64

Step-by-step explanation:

Unit price is the cost of a single metre of ribbon

5.12/8=0.64

7 0
3 years ago
What percentage is 11 out of 25?
Ivan
11 is 44% of 25  because 25 divided by 11 is 0.44
3 0
3 years ago
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