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likoan [24]
3 years ago
12

The dimensions of the floor in the family room are 4 meters by 6 meters. 

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0
Your answer is b, m squared
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Math help please!!!! i will mark brainliest
finlep [7]

Answer:

Step-by-step explanation:

A. 221 x 5 = 1,105

225 + 245 + 222 +230 = 922

1,105 - 922 = <u>183</u>

B. 225 is the median

C. 229 is Isaac's score for the sixth game

Hope this helps :)

7 0
3 years ago
Please help me with this ​
mrs_skeptik [129]

Answer:

the second one

Step-by-step explanation:

the second one is the right answer

6 0
3 years ago
Read 2 more answers
SAT scores have a mean of 1026 and a standard deviation of 209. ACT scores have a mean of 20.8 and a standard deviation of 4.8.
Y_Kistochka [10]

Answer:

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

Step-by-step explanation:

Mean SAT scores = 1026

Standard Deviation = 209

Mean ACT score = 20.8

Standard Deviation = 4.8

We are given SAT and ACT scores of a student and we have to compare them. We cannot compare them directly so we have to Normalize them i.e. convert them into such a form that we can compare the numbers in a meaningful manner. The best way out is to convert both the values into their equivalent z-scores and then do the comparison. Comparison of equivalent z-scores will tell us which score is higher and which is lower.

The formula to calculate the z-score is:

z=\frac{x-\mu}{\sigma}

Here, μ is the mean and σ is the standard deviation. x is the value we want to convert to z score.

z-score for junior scoring 860 in SAT exam will be:

z=\frac{860-1026}{209}=-7.59

z-score for junior scoring 16 in ACT exam will be:

z=\frac{16-20.8}{4.8}=-1

The z-score for SAT exam of junior is much small than his ACT score. This means he performed well in his ACT exam and performed poor in his SAT exam.

4 0
3 years ago
simple random sample from a population with a normal distribution of 99 body temperatures has x overbarequals98.20degrees Upper
Verizon [17]

Answer:

Step-by-step explanation:

Let x be the normal body temperature

X is N(99, sigma)

Sample mean x bar = 98.2 and s = 0.63

Margin of error = Z critical * 0.63 = 1.95 *0.63 = 1.2285

It is safe since 1.5 <1.96 critical value of z at 95%

7 0
3 years ago
What is the Difference is between the long time and shortest time students spent riding on the bus
lisabon 2012 [21]
The longest is 4/6 of a hr and the shortest is 1/6 of a hr
Subtract -3/6 hr
4 0
3 years ago
Read 2 more answers
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