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sergejj [24]
2 years ago
6

Dulce the dog loves to go on walks.

Mathematics
1 answer:
Nikitich [7]2 years ago
7 0
I think it’s 2 hours and 35 minutes.
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Find the highest common factor(HCF) of 18 and 24
prisoha [69]
18 - 2,3,6,8
24 - 2,4,6,8,12

HCF = 8
6 0
2 years ago
State 7m to 250cm as a ratio in its lowest terms
madam [21]
First you have to convert the numbers to the same units.  Either m to cm or cm to m.
To go from meters to centimeters you multiply the number by 100.
7*100=700cm
Now you have 700cm/250cm.  This needs simplified
I divided each number by 50 to get 14 and 5
14cm/5cm or 14cm:5cm
3 0
3 years ago
At Wallys school 30% of the student are in 8th grade if there are 470 students total find the number of 8th grade students
kiruha [24]
30%*470=141 (So the number of students in 8 grade is 141)

4 0
3 years ago
Read 2 more answers
two friends, Bob and Ben , each buy one lottery ticket. Each ticket contains six numbers from a total of 100 numbers (0-99). But
Anastaziya [24]
I would say Ben because the chance of the numbers being 1,2,3,4,5, 6 would be extremely low
7 0
3 years ago
The average student-loan debt is reported to be $25,235. A student believes that the student-loan debt is higher in her area. Sh
yulyashka [42]

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 = 25235

For the alternative hypothesis,

µ > 25235

This is a right tailed test.

Since the population standard deviation is not given, the distribution is a student's t.

Since n = 100,

Degrees of freedom, df = n - 1 = 100 - 1 = 99

t = (x - µ)/(s/√n)

Where

x = sample mean = 27524

µ = population mean = 25235

s = samples standard deviation = 6000

t = (27524 - 25235)/(6000/√100) = 3.815

We would determine the p value using the t test calculator. It becomes

p = 0.000119

Since alpha, 0.05 > than the p value, 0.000119, then we would reject the null hypothesis. There is sufficient evidence to support the claim that student-loan debt is higher than $25,235 in her area.

6 0
3 years ago
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