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
vesna_86 [32]
3 years ago
12

Why is 15 not a prime number

Mathematics
2 answers:
masya89 [10]3 years ago
8 0

Answer:

Because

Step-by-step explanation:

It goes into 1,3,5 and 15

A prime number only goes into 1 and itself

olga nikolaevna [1]3 years ago
7 0

Answer:

Because you can split it

Step-by-step explanation:

Like 15:5=3.

15:3=5

A prime number can't be splitted.

17 is a prime number.

You might be interested in
Rewrite in simplest radical form 1 . show each step of your process.
morpeh [17]

Answer:

what is this russian math?

Step-by-step explanation:

4 0
3 years ago
Find the area and the circumference of a circle with diameter 9 yards using the value 3.14 for pi
Ray Of Light [21]
Area of circle = pi r^, (r)radius is half the diameter so 9÷2=4.5 so in this scenario it would be 3.14×4.5^
3.14×4.5×4.5=63.6

circumference of circle= diameter×pi (3.14)
so 9×3.14=28.3
5 0
3 years ago
The cost x of the Sennet family’s meal at a restaurant is $172.65, and they tip 20%. Write and use an equation to find the total
Dmitriy789 [7]

Answer:

the answer would be 196.25

Step-by-step explanation:

8 0
2 years ago
Solve for p. 2(p + 1) = 24 What is the answer?
Andrew [12]
<span>2(p + 1) = 24 
Use distributive property
2p+2=24
Subtract 2 from both sides
2p=22
Divide 2 on both sides
Final Answer: p=11</span>
6 0
3 years ago
Read 2 more answers
Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft/s from the top of a building 7
Karolina [17]

Answer:

  [0, 7]

Step-by-step explanation:

We want the height to be greater than or equal to 32 ft, so ...

  704 +16t -16t^2 ≥ 32

  t^2 -t -42 ≤ 0 . . . . . . . . . . . subtract 32, divide by -16

  (t -7)(t +6) ≤ 0

This inequality will be true for values of t between -6 and +7. Since we're only concerned with times t ≥ 0, the appropriate solution interval is ...

  0 ≤ t ≤ 7 . . . . [0, 7] in interval notation

6 0
3 years ago
Other questions:
  • 18. What is the area of a piece of garden plot 5 yards 2 feet long by 6 yards 1 foot wide? Give your answer in square feet.
    13·1 answer
  • Having done poorly on their math final exams in​ June, six students repeat the course in summer​ school, then take another exam
    8·1 answer
  • 3x-5y=-35 in slope intercept form
    13·2 answers
  • 18 Emily is planting a garden. She places fence posts at
    11·1 answer
  • You hear on the news that the​ S&amp;P 500 was down 2.3 %2.3% today relative to the​ risk-free rate​ (the market's excess return
    9·1 answer
  • A child wants to fill up a box with snow he can only carry the box if it weighs under 30 pounds the dimensions of the box are 30
    15·2 answers
  • What is the sign of -4x(3/-4)?
    13·1 answer
  • Help with thsi pls show work
    10·1 answer
  • I'm desperate, this is my last assignment to do for now​
    14·1 answer
  • Please find α/beta. EXPLAIN all the steps and use a trigonometric function.(give the value, explain and show all steps with a se
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!