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lesya [120]
3 years ago
8

nathan had $25 to spend the carnival. he spent 60% of the money on food and drinks. how much money does nathan have left to spen

d on games.
Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Answer:

$15

Step-by-step explanation:

Equation: x/25 = 60/100

Cross Multiply: 25(60) = 100x

Simplify: 1500 = 100x

Divide: 1500/100 = 15

Answer: x = 15

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A repeated-measures study comparing two treatments with n = 4 participants produces md = 2 and ss = 75 for the difference scores
valentinak56 [21]

The estimated standard error for the sample mean difference is  2.5 .

According to the question

A repeated-measures study comparing two treatments

n = 4

MD(mean difference) = 2

SS (sum of square) = 75

Now,

error for the sample  

Formula for standard error

S^{2} = \frac{SS}{n-1}

by substituting the value

S^{2} = \frac{75}{4-1}

S^{2} = \frac{75}{3}

S² = 25

S = 5 (s is never negative)

Standard error of the estimate for the sample mean difference

As

The standard error of the estimate is the estimation of the accuracy of any predictions.

The formula for standard error of the mean difference

standard error of the mean difference  =\frac{standard\\\ error}{\sqrt{n} }  

standard error of the mean difference = \frac{5}{\sqrt{4} }  

standard error of the mean difference = 2.5

Hence, the estimated standard error for the sample mean difference is  2.5 .

To know more about estimated standard error here:

brainly.com/question/14524236

#SPJ4

5 0
1 year ago
Someone please help me!
RideAnS [48]
For this case what you should do is evaluate values of x in the function and verify that they meet the result of f (x) shown in the graph.
 The answer is
 f (x) = - 2lxl +1
 notice that
 f (1) = - 2l1l + 1 = -1
 f (-1) = - 2l-1l + 1 = -1
 Both comply with the value of f (x) shown in the graph
 answer
 f (x) = - 2lxl +1
4 0
3 years ago
What is the length (magnitude) of vector (-4,2)
VladimirAG [237]

Answer:

2√5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
15 POINTS! PLEASE HELP
Mariulka [41]

not sure really what the question is asking but dividing both sides of the equation by "t" is:

D=RT

\frac{D}{T} =R

7 0
2 years ago
What is the length of the sign?
Darya [45]
The answer would be 48 because the first answer is 60 minus the second answer which is 12 to get 48
5 0
3 years ago
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