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Vinil7 [7]
3 years ago
10

The Great Pyramid of Giza is located in Egypt. It has a height of about 460 ft, and width of its square base is about 55ft..

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0

(a)

the area of a square = s² ( where s is the length of side )

area = 55² = 3025 ft²

(b)

the volume (V) of a pyramid is calculated using

V = \frac{1}{3} × area of base × height

   = \frac{1}{3} × 3025 × 460

   = 463 833 ft³ ( to nearest cubic foot )


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a wool suit discounted by 30% for a clearance sale, has a price tag of $199. what was the suit's original price
Elena-2011 [213]

Answer:

<h2><em>$284.29</em></h2>

Step-by-step explanation:

Let the original price be x

The discounted price for a clearance sale = 30% of x

If the price tag after discounting = $199.

Using the relationship to find the original price x

Original price - discounted price = Current price tag after discounting

x - 0.3x = 199

0.7x = 199

Divide both sides by 0.7

0.7x/0.7 = 199/0.7

x = $284.29

<em>Hence the suit's original price is approximately $284.29</em>

<em />

5 0
3 years ago
Which expression is an equivalent expression of 12x + 10 + 4y?
Klio2033 [76]
You basically multiply the number outside the parentheses by everything inside.
So 2 × 6x = 12x,
2 × 5 = 10,
2 × 2y = 4y.
So your answer is 2(6x + 5 + 2y). 


8 0
3 years ago
Read 2 more answers
12r2s + 21rs2 – 3rs=
Nitella [24]
Answer:
63rs

explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs
6 0
3 years ago
Quick answer pleaseee
Nikolay [14]
D is the correct answer
3 0
3 years ago
Can anybody figure this question out cause I can't figure it out​.
Kazeer [188]

Answer:

there is no change because it is a circle

4 0
3 years ago
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