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vazorg [7]
2 years ago
8

What is the lcm of each group of numbers 3,9,15

Mathematics
2 answers:
Nina [5.8K]2 years ago
7 0

Answer: 45

Step-by-step explanation:

By factor method,

3 = 1, 3

9= 3, 3

15= 3, 5

LCM= 3*3*5

=45

mamaluj [8]2 years ago
5 0

Answer:

45

Step-by-step explanation:

Multiples of 3: 3, 6, 9, 12, 15, 18, 27, 30, 33, 36, 39 , 41, 45, ...

Multiples of 9: 9, 18, 27, 36, 45...

Multiples of 15: 15, 30, 45, 60,...

The lowest multiple they have in common is 45

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A contractor purchases ceramic tile to remodel a kitchen floor. Each tile cost $4 and the adhesive/grouting material costs $17.8
erma4kov [3.2K]

Answer:

132 tiles

Step-by-step explanation:

Each tile cost $4

The adhesive/grouting material costs $17.82.

If the contractor pays a total of $545.82

Let the number of tiles be represented as x

The equation is represented as:

$17.82 + $4 × x = $545.82

17.82 + 4x = 545.82

Collect like terms

4x = 545.82 - 17.82

4x = 528

Divide bother sides by 4

4x/4 = 528/4

x = 132

The number of ceramic tiles the contractor bought = 132 tiles

8 0
2 years ago
Consider the system x' = rx + x3 - x5​, which exhibits a pitchfork bifurcation.
trapecia [35]

Answer:

rs = -3/16  and the three minima x₁, x ₂ and x₄ fall at  the value of integrating curve C

Step-by-step explanation:

The answer is found in the attachment.

5 0
3 years ago
What is the geometric mean of 3 and 24?​
Contact [7]

Answer:

for GM, you find out the square root of the product of the numbers provided.

= \sqrt{3 \times 24}  \\  =  \sqrt{72} \\  = 6 \sqrt{2}

since 72 can be broken down into the product of 36 and 2. 6 being the square root of 36 comes out, leaving 2 behind.

7 0
2 years ago
Read 2 more answers
Giovanni purchased 25tickets to an airshow. the cost of an adult's ticket is $14 and the child's ticket is $8. if the total cost
Masteriza [31]

Giovanni purchased 20 adult tickets and 5 child's tickets.

Step-by-step explanation:

Let,

x = Adult tickets

y = Child's tickets

According to given statement;

x+y=25 Eqn 1

One adult ticket costs $14 and one child ticket costs $8, therefore,

14x+8y=320 Eqn 2

Multiplying\ Eqn\ 1\ by\ 8\\8(x+y=25)\\8x+8y=200\ Eqn\ 3\\Subtracting\ Eqn\ 3\ from\ Eqn\ 2\\(14x+8y)-(8x+8y)=320-200\\14x+8y-8x-8y=120\\6x=120\\Dividing\ both\ sides\ by\ 6\\\frac{6x}{6}=\frac{120}{6}\\x=20

Putting value of x in Eqn 1;

20+y=25\\y=25-20\\y=5

Giovanni purchased 20 adult tickets and 5 child's tickets.

Keywords: Linear equations, Addition

Learn more about linear equations at:

  • brainly.com/question/4460262
  • brainly.com/question/4464845

#LearnwithBrainly

6 0
3 years ago
I need a bit of help with this, May you please help me?<br>15 points. ​
max2010maxim [7]

The answer is 7 feet becaise 0 opp ik

7 0
3 years ago
Read 2 more answers
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