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andre [41]
3 years ago
8

What is the word for a rational number whose cube root is a whole number

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
8 0
It's called perfect cubes
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The length of 2 sides of a triangle are 12 inches and 4 inches. Which is the third side?
Westkost [7]

Answer:

Let x = the third side

 

In a triangle, the sum of any 2 sides must be larger than the third side.

I believe this is called the triangle inequality theorem.

 

We can construct 3 inequalities to obtain the range of values for the third side.

 

  (Inequality #1)   12 + 4 > x

                                  16 > x

 

  (Inequality#2)    12 + x > 4

                                    x > -8   (we can discard this ... we know all sides will be positive)

 

  (Inequality #3)   4 + x > 12

                                   x > 8

 

So when we combine these together,  

 

   8 < x < 16

 

X (the third side) must be a number between 8 and 16. but not including 8 and 16

7 0
2 years ago
Evaluate x+3y when x=2, y-3
AlekseyPX

Answer:

-7

Step-by-step explanation:

x+3y

Let x =2 and y = -3

2 +3(-3)

2 -9

-7

6 0
3 years ago
Read 2 more answers
What is the experimental probability
Zarrin [17]
The answer is 1/4 because when you add all the numbers up it equals 12 and B or C gives us 3 which simplifies to 1/4
6 0
2 years ago
40lb is what percent of 75 lb
andreev551 [17]

Answer:

i got 53.3%

Step-by-step explanation:

The formula is

is over of = what the percent is over 100

4 0
3 years ago
I need help with my math
Komok [63]
The answer to your question is 162

2=2
2*3=6
2*3*3=18
2*3*3*3=54
2*3*3*3*3=162
5 0
2 years ago
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