1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
worty [1.4K]
3 years ago
5

Which of the following groups of numbers are all prime numbers? A. 3, 11, 23, 31 B. 2, 3, 5, 9 C. 2, 5, 15, 19 D. 7, 17, 29, 49

Mathematics
2 answers:
puteri [66]3 years ago
6 0
I think it is A. or D
Mekhanik [1.2K]3 years ago
3 0
A because 9 is not prime in answer B, 15 is not prime in answer C, and 49 is not prime in answer D. So the correct answer is A.
You might be interested in
I need help this is urgent!!
harina [27]
If you need an equation it is -3.4x=21.5

You simply divide both sides by -3.4 to get x=-6.32



if that's not right then just get on a calculator and calculate by doing what I said to divide
7 0
4 years ago
Which shape goes in the empty box in order to complete nathans mobile
Harman [31]

Step-by-step explanation:

yes

4 0
3 years ago
Can someone help me? I pick brainlest
bulgar [2K]

Answer:

?=8

Step-by-step explanation:

52/ 13 = 4

32/4= ? = 8

6 0
3 years ago
Read 2 more answers
What is 4/6/10 plus 6/10 fractions
Paul [167]

Answer:

5 and 1/5

Step-by-step explanation:

it is written like this 4 and 6/10 + 6/10

so its 4 and (6+6) 12/10


12-10= 2 = 1 and 1/5

4 +1= 5

so now you have 5 and 1/5


YaYYYY hun xD

7 0
3 years ago
A rectangular floor is 18ft long and 12 ft wide. Lamar wants to carpet the floor with carpet tiles sold by square yard. Use the
WITCHER [35]

Solution

The dimension of the rectangular floor is 18ft long and 12 ft wide

Using the conversion table

It is given that 1yd =3 ft

This shows that

12 feet will be equivalent to

\frac{12}{3}=4yd

Also 18ft will be equialent to

\frac{18}{3}=6yd

Therefore the new dimension is 6 yard by 4 yard

The area will be

A=6\times4

Therefore the required area is

A=24yd^2

5 0
1 year ago
Other questions:
  • Find 631.44 * 6.314 and round your answer to the nearest thousandth.
    10·1 answer
  • 6 more than 5 times a number (x) is at least twenty–one
    8·1 answer
  • Find the values of x in this equation: x - (15/x)= 2
    10·2 answers
  • Please help me understand this step by step. FOR BRAINLIEST <br><br> Evaluate x^2 + 2x - 4 if x= -4
    14·2 answers
  • Ms Graves gave her class 12 min to read. Carrie reads 5 1/2 pages in that time. At what rate, in pages per hour, did Carrie read
    6·1 answer
  • Using the quadratic formula to solve x2 = 5 – x, what are the values of x?
    12·2 answers
  • On a graph what are the points on the equation 3x+2y=6
    14·1 answer
  • Mozart's Music Store rents trombones for $34 a month. Bach's Music Store rents trombones for $30 per month plus a yearly fee of
    11·1 answer
  • Can someone make sure my answers are correct
    12·2 answers
  • Shannon participated in a national math contest by taking a math test. The test results followed a normal distribution with a me
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!