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
OlgaM077 [116]
3 years ago
5

Find the L.C.M of the following a.3and7b.4and5​

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0

Answer:

a. 21

b. 20

Step-by-step explanation:

a. 3 and 7 are prime numbers, so their LCM is their product, 21

b.

4 = 2^2

5 = 5

LCM = 2^2 * 5 = 20

Answer:

a. 21

b. 20

You might be interested in
-7r^2= -329 square root property​
Genrish500 [490]

9514 1404 393

Answer:

  r = ±√47

Step-by-step explanation:

  -7r^2 = -329 . . . . given

  r^2 = 47 . . . . . divide both sides by -7 (multiplication property of equality)

  r = ±√47 . . . .  square root both sides (square root property of equality)

5 0
3 years ago
Read 2 more answers
What is the mean of -71,-62,-88-38-89,15,-76
olga nikolaevna [1]
71
62
88
38
89
76
-15 (i'm inversing everything to make it simple)
The mean is -69.28

6 0
3 years ago
Answers please?? Thank you!
Free_Kalibri [48]
A= 1,3
B= 5,5
C= 6,1
Here you go
8 0
3 years ago
Four artists open a business selling paintings and agree to split the profits equally. They spent $150 on supplies. If their tot
pashok25 [27]
First, I would subtract 150 from 870. You get 720. Then I would divide that equally among the four artists. 720/4=180. So each person's share is $180.
8 0
3 years ago
Read 2 more answers
Simplify: <br> (sq root of) a^2 if a&gt;0<br><br> (sq root of) 36x^2 if x≤0
tresset_1 [31]

Answer:


Step-by-step explanation:

1.  (sq root of) a^2 if a>0 => √(a^2) = ±a

2.  (sq root of) 36x^2 if a>0 => ±6x

7 0
3 years ago
Other questions:
  • What is
    5·2 answers
  • Show two different ways to solve the following problem. Each wheel on a roller coaster turns 3999 times during the ride.how many
    13·1 answer
  • Which statement is true about the end behavior of the graphed function?
    9·2 answers
  • Solve: y= 7/3x-3 and y=11
    7·2 answers
  • Helps pls! Find the length of AB, given that DB is a median of the triangle and AC= 26
    7·2 answers
  • Find the slope of the line (4,0) (9,11) Help plsss!!!!
    6·2 answers
  • Write a linear function f with the values f(-1)=-3 and f(2)=6.
    9·1 answer
  • Please i need help!
    6·1 answer
  • 3 1/3x-5.3= -2 solve for x
    11·1 answer
  • Factorise the following<br> x²-12+32
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!