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
krek1111 [17]
3 years ago
9

What is the Lcm of 42 and 54

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0
42 = 2 x 3 x 7
54 = 2 x 3 x 3 x 3 = 2 x 3³

42 = 2 x 3 x 7
52 = 2 x 3³
LCM = 2 x 3³ x 7 = 378

----------------------------------------------------------
Answer: The LCM is 378.
----------------------------------------------------------

Check:
378 ÷ 42 = 9
378 ÷ 54 = 7

katen-ka-za [31]3 years ago
4 0
The LCM<span> of 42 and 54 is 378.</span>
You might be interested in
Does anyone know what X equals to
Dmitrij [34]
 Best Answer

x means everything in algebra. It is a variable, which means that its meaning changes based on context. For example, x could be time, but it could also be cars. x is what all Mathematicians chase after and it is also the greatest tool at their disposal. x is generally called an independent variable because its value determines the output of a function. y, on the other hand, is the result of fooling around with x. It's a dependent variable, which means that y changes when x changes. 

8 0
3 years ago
3) A tour trolley covers a distance of 8.5 miles in of an hour.
sp2606 [1]

Answer:

a) Ans: 8.5 miles per hour

b) Ans: 46.75 miles

Step-by-step explanation:

a) Speed = Distance/Time

8.5/1h = 8.5 miles per hour

b) Distance = Speed x Time

8.5 miles per hour x 5.5h = 46.75 miles

5 0
3 years ago
Bh+hr=25 solve for r please work it out step by step
denis23 [38]

So firstly, factor out h on the left side: h(b+r)=25

Next, divide both sides by h: b+r=\frac{25}{h}

Lastly, subtract both sides by b and your answer will be r=\frac{25}{h}-b

7 0
3 years ago
Read 2 more answers
How did the movement of sunspots on the surface of the sun affect peoples' beliefs about astronomy at the time?​
lbvjy [14]

Answer:

is this science?

Step-by-step explanation:

4 0
2 years ago
Find the sum of 7a³ + 14a + 12 and -6a³ + 12a² -7
maw [93]

Answer: a^3+12a^2+14a+5

Step-by-step explanation:

7a^3+14a+12+(-6a^3+12a^2-7)

7a^3+14a+12-6a^3+12a^2-7\\a^3+12a^2+14a+5

7 0
3 years ago
Other questions:
  • Solve for ? To make a no solution problem
    11·1 answer
  • -2(x+3y)=18 solve for y!
    10·2 answers
  • Write the equation,of the trigonometric graph! help please asap!!!!​
    10·1 answer
  • Evaluate the surface integral. ??s (x2 y2 z2 ds s is the part of the cylinder x2 y2 = 4 that lies between the planes z = 0 and z
    8·1 answer
  • Solve for b: y = mx + b<br> +mx + mx<br> y + mx = b
    14·2 answers
  • Let a be directly proportional to m and n^2, and inversely proportional to y^3. If a=4 when m=9, n=4, and y=2, find a when m=7,
    6·1 answer
  • Use operations of decimal, fraction, and percent numbers to model the following scenarios. In your final answer, include only an
    5·2 answers
  • Would this be sin, cos, or tan?
    5·2 answers
  • Complete the table.<br><br> x 0 3<br> y=13x+2
    12·1 answer
  • Translate the shape A four squares right and two squares up.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!