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Aleonysh [2.5K]
3 years ago
10

The Luxor hotel, in Las Vegas, is a square pyramid with lateral faces consisting of black, glassed mirrored panes. The building

is 646 feet wide at the base and 350 feet high. How much glass was needed to cover the pyramid?
Mathematics
1 answer:
rusak2 [61]3 years ago
7 0
2998 feet of glass was needed to cover the pyramid. You add 646 plus 350 and multiply by 3, which is the side length of the pyramid. (Pyramids or triangles have 3 sides.)
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Aiden invested $43,000 in an account paying an interest rate of 9 % compounded
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Answer:

4.8 i think

Step-by-step explanation: i saw once it said dont worry bout the 0s just do the 43 divided by 9 and i think thats it

5 0
3 years ago
What is the value of x in the circle to the right?
Kobotan [32]

9514 1404 393

Answer:

  10 1/16 cm

Step-by-step explanation:

The Pythagorean theorem can be used.

  (8 +x)² = x² +15²

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4 0
3 years ago
-2k+13=-8k-35<br> What’s k
max2010maxim [7]

Answer:

k = -8

Step-by-step explanation:

-2k+13=-8k-35

Add 8k to each side

-2k+8k+13=-8k+8k-35

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6k+13-13 = -35-13

6k = -48

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5 0
3 years ago
Can anyone help me with factoring Trinomials ? If you can comment and I'll message you . If you don't know how to factor Trinomi
bearhunter [10]
I did this two years ago. Hope I can help you.
7 0
3 years ago
I need to send photos.
frez [133]

SOLUTION:

Step 1:

From the given question, and comparing the scores in classes A and B

Step 2:

Question one, to know the class which had the better overall result on the exam;

(I) The scores in class A ranges from 65 to 100, while that of class B ranges from 60 to 90. This explains that class A had better results.

(ii) The median of the scores in class A is 85, while the median of the scores in class B is 75, this is another piece of supporting evidence that class A had better results.

Step 3:

Question two, to know the class which had greater variability in the results;

For a better understanding of this question, I need to explain the concept of variability in statistics.

Variability in statistics refers to the difference being exhibited by data points within a data set, as related to each other or as related to the mean. This can be expressed through the range, variance or standard deviation of a data set.

Step 4:

So we need to find the range of scores in each of the two classes and then compare, the class with the greater range has the greater variability.

The Range is the difference between the lowest and highest score (H - L), where H is the highest score and L is the lowest score.

Step 5:

Applying the formula for range stated in step 4;

For Class A; H = 100 and L = 65

For Class B; H = 90 and L = 60

The range for class A; H - L = 100 - 65 = 35

The range for class B; H - L = 90 - 60 = 30

By comparing the range of class A and that of B, it is clear that Class A had a greater range (variability)

CONCLUSION:

Class A had better overall results in the exam and greater variability in the results.

6 0
10 months ago
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