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inessss [21]
4 years ago
12

Mr. Gomez wants to put a ceramic tile border along all four sides of his kitchen wall.Mr. Gomez has measured and knows he needs

enough tiles to make three rows with twenty-seven tiles in each row on each of his four walls.How many tiles does Mr.Gomez need to make the border?Tiles are sold in boxes with twelve tiles in each box.How many boxes of tiles does Mr.Gomez need to buy?
Mathematics
1 answer:
Step2247 [10]4 years ago
4 0
Your answer is 27 boxes of tiles
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4 0
3 years ago
Write an expression that represents the volume of a rectangular-shaped box with a length 3 inches less than its height and a wid
slava [35]

Answer: h(h-3)(h+4)  

Step-by-step explanation:

To find the volume of rectangular-shaped box  we will have to multiply the length by the width by the height.

Given the statements  we can determine the  length with the equation

L = h -3  where l is the length and h is the height.

the width can also be represent by the equation

w = h + 4        

The height is is h and the length is h- 3  and the width is also h+4  so the expression will be    h(h-3)(h+4)

8 0
3 years ago
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egoroff_w [7]
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6 0
4 years ago
The sick days of employees every two years in a company are normally distributed with a population standard deviation of 7 days
Alecsey [184]

Answer:

The 95% confidence interval for the population mean is between 17.93 days and 24.07 days.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

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M = 1.96\frac{7}{\sqrt{20}} = 3.07

The lower end of the interval is the sample mean subtracted by M. So it is 21 - 3.07 = 17.93 days

The upper end of the interval is the sample mean added to M. So it is 21 + 3.07 = 24.07 days

The 95% confidence interval for the population mean is between 17.93 days and 24.07 days.

7 0
3 years ago
Read 2 more answers
Can someone show me how to do 18 and 19 like with work too
Sveta_85 [38]

Answer:

Step-by-step explanation:

Question 18:

arc SRQ = 360° - 98° - 115° = 147°

y = 147°/2 = 73.5°

arc SPQ = 98° + 115° = 213°

x = 213°/2 = 106.5°

Sorry, I don't know how to answer 19.

7 0
3 years ago
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