What are the dimensions and what is the answer?

Mathematics

2 answers:

mote1985 [20]3 years ago

7 0

The top should be 16 because there are 2 8ft if it is 2 squares but I think the answer would be 126ftsquared

lidiya [134]3 years ago

3 0

The dimensions are 8 ft x 8 ft.
The total area is 64 sq ft.
The dimensions of a single tile are 2 1/2 x 1 1/2

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As an aid to the establishment of personnel requirements, the director of a hospital wishes to estimate the mean number of peopl

GenaCL600 [577]

Answer:

n = 66.564

Step-by-step explanation:

Because the population is unknown, we will apply the following formula to find the sample size:

$n= (\frac{zS}{E} )^{2}$

Where:

z = confidence level score.

S = standard deviation.

E = error range.

2. We will find each of these three data and replace them in the formula.

"z" theoretically is a value that measures how many standard deviations an element has to the mean. For each confidence level there is an associated z value. In the question, this level is 99%, which is equivalent to a z value of 2.58. To find this figure it is not necessary to follow any mathematical procedure, it is enough to make use of a z-score table, which shows the values for any confidence interval.

The standard deviation is already provided by the question, it is S = 100.

Finally, "E" is the acceptable limit of sampling error. In the example, we can find this data. Let us note that in the end it says that the director wishes to estimate the mean number of admissions to within 1 admission, this means that she is willing to tolerate a miscalculation of just 1 admission.

Once this data is identified, we replace in the formula:

$n=(\frac{(2.58)(100)}{1} )^{2}$

3. The corresponding mathematical operations are developed:

$n=(\frac{258}{1} )^{2}$

$n= (258)^{2}$

n= 66.564

4 0

3 years ago

PLEASE HELP ME SOLVE THIS<br><br> THANK U!!

V125BC [204]

Step 1) Draw a dashed line through the points (0,6) and (4,7). These two points are on the line y = (1/4)x+6. To find those points, you plug in x = 0 to get y = 6. Similarly, plug in x = 4 to get y = 7. The dashed line indicates that none of the points on this line are part of the solution set.

Step 2) Draw a dashed line through (0,-1) and (1,1). These two points are on the line y = 2x-1. They are found in a similar fashion as done in step 1.

Step 3) Shade the region that is above both dashed lines. We shade above because of the "greater than" sign. This is shown in the attached image I am providing below. The red shaded region represents all of the possible points that are the solution set. Once again, any point on the dashed line is not in the solution set.