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Archy [21]
3 years ago
9

What is the lcm of 3 and 8

Mathematics
1 answer:
Drupady [299]3 years ago
3 0

Answer: 24

Step-by-step explanation: To find the least common multiple or <em>lcm</em> of 3 and 8, begin by listing multiples of each number.

<em><u>Multiples of 3</u></em>

1 x 3 = 3

2 x 3 = 6

3 x 3 = 9

4 x 3 = 12

5 x 3 = 15

6 x 3 = 18

7 x 3 = 21

8 x 3 = 24

Notice that we skipped 0 x 3 in our list of multiples. That's because 0 x 3 is 0 and our least common multiple can't be 0.

When listing the multiples of 8, it's a good idea to keep an eye on the list of multiples for 3 so that we will notice when we find a least common multiple.

<u><em>Multiples of 8</em></u>

1 x 8 = 8 ← not a multiple of 3

2 x 8 = 16 ← not a multiple of 3

3 x 8 = 24 ← multiple of 3

We can stop here because all other multiples that we find will be greater than 24. So the least common multiple or <em>lcm</em> of 3 and 8 is 24.

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3 years ago
Read 2 more answers
This Question: 1 pt
zhenek [66]

\huge{ \mathfrak{  \underline{ Answer }\:  \:  ✓ }}

Angles forming linear pair are :

\mathrm{\angle EFG  \:  \: and \:  \:   \angle GFH}

And we know, they are supplymentary

  • \mathrm{\angle EFG  \:   +  \:   \angle GFH}  = 180 \degree
  • 3n +1 9 \degree+ 2n + 36\degree = 180 \degree
  • 5n + 55\degree = 180\degree
  • 5n = 125\degree
  • n = 25\degree

So, the measures of the given angles are :

  • \mathrm{\angle EFG } = 3n + 19
  • \mathrm{ \angle EFG = (3  \times 25\degree)  + 19}
  • \mathrm{ \angle EFG = 75 \degree+ 19\degree}
  • \mathrm{ \angle EFG = 94\degree}

And

  • \mathrm{ \angle GFH = 2n + 36}
  • \mathrm{ \angle  GFH = (2 \times 25\degree) + 36\degree}
  • \mathrm{ \angle GFH = 50\degree + 36\degree}
  • \mathrm{ \angle GFH = 86\degree }

_____________________________

\mathrm{ ☠ \: TeeNForeveR \:☠ }

6 0
3 years ago
F(x)=9x+5, find f^-1(x).
lidiya [134]

Answer:

interchange the role of x and y

x=9y+5

x-5=9y

<u>x-5</u><u> </u>=y

9

so,f^-1(x)= <u>x-5</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>9

hope it helps.

<h3>stay safe healthy and happy.</h3>
4 0
3 years ago
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