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liberstina [14]
3 years ago
12

The graph shows information about Dan’s walk, which statement correctly describes Dan’s walk

Mathematics
1 answer:
GaryK [48]3 years ago
8 0

Answer:

4 playing the game is the most

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Here is another one that i need help with
Virty [35]
The first one is the answers
7 0
3 years ago
Read 2 more answers
You got the following scores on 3
IceJOKER [234]
Your answer is c. 96
I know this because if you go on the calculator and add up 84+82+98+96 its equals to 360 and 360 divided by four (since there are now four marks including the mark you need to get on the next test) and that equals to 90. 

(in other terms)
84+82+98+96=360
360÷4=90
therefore, you need to get a score of 96 on your fourth test to receive an average of 90%
4 0
4 years ago
The TI-83/84 Plus calculator can be used to generate random data from a normally distributed population. The command randNorm(10
postnew [5]

Answer:

99% confidence interval for the mean value from the random number generator is a lower limit of 85.87 and an upper limit of 110.93.

Step-by-step explanation:

Confidence interval = mean +/- margin of error (E)

mean = 98.4

sd = 16.3

n = 15

degree of freedom (df) = n - 1 = 15 - 1 = 14

confidence level (C) = 99% = 0.99

significance level = 1 - C = 1 - 0.99 = 0.01 = 1%

t-value corresponding to 14 df and 1% significance level is 2.977.

E = t×sd/√n = 2.977×16.3/√15 = 12.53

Lower limit = mean - E = 98.4 - 12.53 = 85.87

Upper limit = mean + E = 98.4 + 12.53 = 110.93

99% confidence interval for the mean is between 85.87 and 110.93

3 0
3 years ago
Which expression represents the difference of (8x-5y) and (2x-y)?
Alex
(8x-5y)-(2x-y)
8x-5y-2x+y
6x-4y
6 0
3 years ago
Juan is making t-shirts to sell at a concert.
o-na [289]

Answer:

7 shirts

Step-by-step explanation:

The function for producing shirts is

f($) = 50 + 7.5(x), where x is the number of shirt

The function for selling shirts is

f($) = 15(x)

For there to be a profit, he must make more money selling the shirts than he spent on making the shirts

Therefore, 15(x) > 50 + 7.5(x)

15x > 50 + 7.5x

15x - 7.5x > 50

7.5x > 50

x > 6.67 shirts

To make a profit, Juan must sell at least 7 shirts

7 0
3 years ago
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