3 years ago

Which of the following is a prime number? Select one: A. 19 B. 20 C. 21 D. 22

Mathematics

2 answers:

7nadin3 [17]3 years ago

8 0

Answer:

A. 19

Step-by-step explanation:

The rest wouldn't be considered prime number. Only 19

nexus9112 [7]3 years ago

6 0

Answer: a. 19

Step-by-step explanation:

it only has 1 and itself

You might be interested in

Find all the real square roots of 0.0064

LenKa [72]

√64 = 8

64÷1000 = 0.0064

8÷1000=0.0008

√0.0064 = 0.0008

5 0

4 years ago

Read 2 more answers

X=4y-5<br> 2x+3y=23<br> Solve using the substitution method

jenyasd209 [6]

Answer:

x =7, y = 3

Step-by-step explanation:

We substitute the value of x in terms of y (given) into the equation.

Then we solve for y and plug in the value of y back into the equation for the value of x to find x.

3 0

3 years ago

What is 25 divided by 225

daser333 [38]

0.097- or it could be 0.10 if you round it

5 0

3 years ago

Read 2 more answers

Please help. I’m in a mastery test and keep getting the same one incorrect. This is my last chance.

iren [92.7K]

QR=5.25 PR=5 PQ=6.25

4 0

3 years ago

How many a's do you need to bring up an F

omeli [17]

Answer:

Typically you have to turn in your projects and assessments to get an A depending your school policies

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers