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frozen [14]
3 years ago
12

What is the LCD of 3 8/9 and 1 5/12? 108 15 45 36

Mathematics
2 answers:
dangina [55]3 years ago
6 0

Answer:

LCD = 36

Step-by-step explanation:

I'm sure it 36!!!!!!!!!!!!!

Ilya [14]3 years ago
6 0

36 the only equivalent fraction

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a utility worker is 5.5 feet tall and is casting a shadow 4 feet long at the same time a nearby utility pole casts a shadow 20 f
Assoli18 [71]

So this is essentially a proportion problem. They want you to be able to recognize a relationship between the two. The easiest way to go about this is to draw a picture (I have included one). What you want to do is notice that you are given both shadow lengths. This is essentially going to be your first step to creating the proportion.


Understanding that we know the shadow lengths, we can turn these into a fraction such as so:


4ft/20ft.


Now that we know that, we need to look at are unknown. Our unknown is the height of the utility pole. We can solve this by substituting for X since we know the utility worker is 5.5 ft tall.


Your fraction for that would look like:


5.5ft/X


Make sure to always make your top to top match, such as since I put the utility worker's shadow on top, I need to put his height on top.

Now we can solve.

4ft/20ft =5.5ft/X


We need to cross multiply to get an equation we can work with. If we cross multiply, Your equation will look like:


4x = 110ft


This is a simple one step equation. Divide both sides by 4 to get your answer.

x= 27.5ft.

This means your Utility pole's height is 27.5ft.

6 0
3 years ago
What is the total volume of this compound shape?
Alex787 [66]

Answer:

This is very easy. First find the volume of the cube, and then add it to the volume of the hemisphere to find the total volume.

The volume of the cube is length x width x height: 8 x 8 x 12 = 768 cm

The volume of the hemisphere is (2/3)πr³ : (2/3)π(4)³ = 134.04 cm

*Radius is 4

Now add: 768 + 134.04 = 902.04 cm

6 0
3 years ago
The equation tan^2x+1=sec^2xis an identity.<br><br> A.True<br> B.False
alexandr402 [8]

True, this is a Pythagorean identity.

7 0
3 years ago
The center of an ice rink is located at (0, 0) on a coordinate system measured in meters. Susan is skating along a path that can
Ganezh [65]
We are given:

the center of the rink at the origin.
A skating path (Susan): y = 6x - x^2 - 5
Starting point of Luke = (10, -21) 
Path (Luke) = quadratic eq'n with vertex at (8, -9)
Radius = 35 meters 


The solution that best interprets the path of the skaters is to substitute Luke's starting point to Susan's path or set-up a quadratic equation with vertex of (8,-9) and then equate to Susan's path to solve for their intersection. 
8 0
4 years ago
Read 2 more answers
X+x+x+2 which are equivalent
kodGreya [7K]

3x+2 is the simplest equivalent answer

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4 years ago
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