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MakcuM [25]
3 years ago
7

Find the surface area of the prism. Round the final decimal answer to the nearest tenth if necessary.

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:10.6

Step-by-step explanation:

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Which number is larger? (1 mark)<br><br> 0.67 or<br> 2/3
KengaRu [80]

Answer:

0.67

Step-by-step explanation:

2/3= to 0.66 which means 0.67 would be technally larger than 0.66

8 0
2 years ago
The Surface Area of a square pyramid is 3600 ft. The slant height is 80 feet and the base is 20 feet. At most how many 1 foot cu
amm1812

Answer:

10,583 flexible cubes

9915 rigid cubes

Step-by-step explanation:

The equation for the surface area of a square pyramid is area of base plus perimeter of base multiplied by the slant height

Surface area = A + 1/2·p·s

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, approximately 10,583 cubes

For rigid cubes we have

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

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

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

The bottom can hold 400 cubes

The next layer can hold 19×19 = 361

3rd 361

4th 361

5th 324

6th 324

7th 324

8th 324

9th

Continuing, we get a total of about 9915 rigid cubes in the pyramid.

3 0
3 years ago
(8^2)^4 I'm struggling in my math and need help please
Serjik [45]
I think that equals 16777216
3 0
3 years ago
Read 2 more answers
I need help, i have a quiz on it soon.
Nezavi [6.7K]

Answer:

okay

Step-by-step explanation:

complementary angles are angles that add up to 90 degrees

so what you would do is take each number that you have and subtract it from 90

In the first one you would

1. take 90-80

2. you get your answer of 10!

i hope this helps :)

8 0
3 years ago
Find the value of x so that the function has the given value.<br><br> h(x) = 3x −5; h(x) = 4
Gwar [14]

Answer:

7

Step-by-step explanation:

if h(x)=4 .. that would mean to plug 4 in as x

therefore .. 3(4)-5

3×4=12

12-5=7

4 0
3 years ago
Read 2 more answers
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