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polet [3.4K]
2 years ago
5

What is the slope of the line below? If necessary, enter your answer as a

Mathematics
1 answer:
Serjik [45]2 years ago
8 0

Answer:

Step-by-step explanation:

(-7 - 1)/(-3 - 9)= -8/-12= 2/3

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How do you know if a square root of something is rational or irrational? like i know it can be represented by a fraction or a ra
ra1l [238]
The square root of a whole number will be rational if the whole number is a perfect square (i.e 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 etc) and irrational otherwise.

Rational number is a number that can be described as m/n 

so a fraction can be a rational number, 0.8=4/5 
Irrational numbers can't be written as a fraction 

The part about the number having to be a perfect square is still correct, if it's not a prefect square than it will just keep going(a decimal that never ends) 

for example the square root of 0.64 is 0.8 
and the square root of 10 is 3.162277... 
as you can see the 0.64 one ends and is rational, whereas the 10 one just keeps going and is irrational.
5 0
3 years ago
(5x-25)+(3x+9)=180 please answer right now
jok3333 [9.3K]

Answer:

x=24.5\\

Step-by-step explanation:

So we have the equation:

(5x-25)+(3x+9)+180

Combine like terms:

(5x+3x)+(-25+9)=180

Add:

8x-16=180

Add 16 to both sides:

8x=196

Divide both sides by 8:

x=24.5\\

So, our answer is 24.5 :)

6 0
3 years ago
Help help help please !!
suter [353]

Answer:

\frac{40}{41}

Step-by-step explanation:

Sin = opposite / hypothenuse

Sin A = 40 / 41

Answer: \frac{40}{41}

6 0
2 years ago
Read 2 more answers
Please someone help me with this question
const2013 [10]
Basically something like this

7 0
2 years ago
Devon’s free-throw average for basketball is 60%. Predict how many times in the next 50 tries he will make a free throw. 
Maru [420]

Answer:

30

Step-by-step explanation:

3 0
2 years ago
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