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pochemuha
3 years ago
5

The equation of line ab is (y−3) = 5 (x − 4). what is the slope of a line perpendicular to line ab?

Mathematics
1 answer:
allsm [11]3 years ago
4 0
Converse y-3=5(x-4) to y=5x -17
The slope of a lin perpendicular to line ab is also 5
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Write a number in each box to make the sentences true
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2 years ago
The Surface Area of a square pyramid is 3600 ft2. The slant height is 80 feet and the base is 20 feet. At most how many 1 foot c
ella [17]

The number of 1 foot cubic blocks that can be stuffed in the pyramid are; 10,583 cubes

<h3>How to find the surface area of a Pyramid?</h3>

The equation for the surface area of a square pyramid is;

Surface area = A + 1/2·p·s

where;

A = area of base

p = perimeter

s = slant height

The volume of the pyramid = (1/3) × A × h

Where:

A = Area of the base = 20 × 20 = 400 ft²

h = The height of the pyramid = √((slant height)² - ((base side length)/2)²)

h = √(80² - (20/2)²) = 30√7

The volume of the pyramid = 1/3*400*30·√7 = 4000·√7 ft³ = 10,583.005 ft³

If the cubes are flexible, then there are approximately 10,583 cubes

For rigid cubes we have;

Given that the height of the pyramid = 30·√7

The slope of the pyramid = (30/10)√7 = 3·√7

A increase in height of 1 foot gives a reduction in width of 2/(3√7)

The bottom can hold 400 cubes, Then next layer can hold;

19 × 19 = 361

If we continue to iterate, we will get a total of approximately 9915 rigid cubes in the pyramid.

Read more about Pyramid Surface Area at; brainly.com/question/22744289

#SPJ1

4 0
1 year ago
Find the area of the following triangle:<br> b= 36 feet, h = 4 feet
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Answer:

The formula is 1/2 * b*h or b*h divided by 2

Step-by-step explanation:

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2 years ago
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8\cdot5\cdot C(6,2)=40\cdot\dfrac{6!}{2!3!}=40\cdot\dfrac{4\cdot5\cdot6}{2}=2,400

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2 years ago
What value of w is a solution to this equation?<br> w/2 = 6<br> w = 10 or w = 12
Monica [59]
W=12 would be the correct answer. I got this because if you divided 12 by 2, (12/2) you would get 6!
5 0
3 years ago
Read 2 more answers
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