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3 years ago

These two rectangles are similar which is a correct proportion for corresponding sides

Mathematics

2 answers:

hammer [34]3 years ago

4 0

to make the proportion we make the ratio of the similar sides

For example

4/8 = 12/x

or we can write it as 4/12 = 8/x

or 12/x = 4/8

So last option is correct

Studentka2010 [4]3 years ago

3 0

It would be 12/x=4/8 i just took it

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What is the volume of the regular pyramid below?

erastovalidia [21]

Answer:
volume of regular pyramid = 3388 units³

Explanation:
Volume of regular pyramid can be calculated using the following rule:
volume of regular pyramid = $\frac{1}{3}$ * area of base * height
volume of regular pyramid = $\frac{1}{3}$ * length * width * height

Based on the comment you added above, we have:
length = 11 units
width = 11 units
height = 84 units

Substitute with the givens in the above equation to get the volume as follows:
volume = $\frac{1}{3}$ * 11 * 11 * 84
volume = 3388 units³

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2 years ago

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dmitriy555 [2]

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2 years ago

Read 2 more answers

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

PO =

victus00 [196]

Using mid point formula.

In which we have

Q(-4,5)=(6+x/2) , (2+y/2)

-4=6+x/2 and 5 =2+y/2

-8=6+x and 10=2+y

x=-14 and y=8

Therefore the required value of R{-14,8}

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2 years ago

A realtor predicts that the value of a $70,000 home will increase by the same percentage each year, and will increase by 8% ever

mina [271]

Answer:

$f(n)=70,000(1.08)^{0.25n}$

3 0

2 years ago