Five and one half less than 3 times a number

Answers

Answer 1
Answer:

3x - 5 1/2      is the expression



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List all of the prime numbers less than 20 in numerical order

Answers

a prime number is a number only divisible by itself and 1 (this excludes decimals and fractions)

surprise, 1 is not prime because it must be divisible by itself and 1 and the factors of 1 are 1 and 1 so 1 is not prime

2 is prime because it is the first even counting number and since all even numbers after 2 are divisble by 2 you can cross out all odd numbers after 2
3 is prime because it is the first odd counting number that satisfies the condition
4 is not because it is even
5 is prime
6 is not because it is even
7 is prime
8 is not because it is even
9 is not
10 is not because it is even
11 is prime
12 is not because it is even
13 is prime
14 is not because it is even
15 is not
16 is not because it is even
17 is prime
18 is not because it is even
19 is prime
20 is not because it is even

so the numbers are 2,3,5,7,11,13,17,19







19, 17, 13, 11, 7, 5, 3, 2

What is 20/25 in a decimal

Answers

20/25 as a decimal is 0.8

To do this, we can easily divide the numerator (20) by the denominator (25) and get the answer in decimal form. 

20 / 25 = 0.8
the answer is 0.8 :D

3/5 X 1 2/7 is (greater than, less than, equal to) 1 2/7

Answers

Change the proper fraction to an improper one to do the multiplication.

3/5 x 9/7

Since this is a multiplication problem you can just multiply across. 

27/35  

27/35 compared to 1 2/7 or 9/7 is less than because 9/7 is greater than 1

How do you convert 2/30 into a percent ?

Answers

2/30 in percentage is 6,67%
you must divide first the fraction and multiply by 100

Answer:

6.667%

Step-by-step explanation:

(2/30)*100

=200/30

=20/3

=6.667%

The stem-and-leaf plot shows the number of home runs Carlos hit in the last five seasons. What is the mean absolute deviation of these values? Carlos home runs

Answers

To find mean, add the numbers then divide by how many numbers there are.

How many times does 291 go into 4?

Answers

Answer: I think it's 72.75

Step-by-step explanation:

You divide 291 and 4 and it equals 72.75

I dont know if it's the actual answer but i hope this helps :)

You would do 4/291. Because of the wording, 291 is going INTO the 4. So, your answer is:
Approx. .014