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3 years ago

Select all pairs of numbers that have a least common multiple of 18.

Mathematics

2 answers:

Kobotan [32]3 years ago

8 0

Answer: Third and Fourth options are correct.

Step-by-step explanation:

Since we have given that

L.C.M. should be 18.

As we know that

Least common multiple of 2 and 6 is 6

Least common multiple of 3 and 6 is 6

Least common multiple of 2 and 9 is 18

Least common multiple of 9 and 6 is 18

Least common multiple of 12 and 6 is 12

Hence, Third and Fourth options are correct.

Stella [2.4K]3 years ago

6 0

2 and 9
6 and 9
would be have the least common multiple of 18

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Furkat [3]

Answer: A IS CORRECT

Step-by-step explanation:

6 0

2 years ago

Hiii please help! i’ll give brainliest if you give a correct answer tysm!

Stolb23 [73]

Multiply 9 and 5 then multiply by .5 giving you 22.5 so I’d say that’s your best option

5 0

3 years ago

Help me please I’m begging you:(

alex41 [277]

Answer:

Chips = 14

Pretzel = 14

Cookie = 8

Popcorn = 13

Question Mark = 222

Step-by-step explanation:

First Equation:

Chips + Pretzel + Chips = 42

Third Equation: Chips = Pretzel.

This means that

Pretzel + Pretzel + Pretzel = 42

Pretzel = $\frac{42}{3} =14$

Chips = Pretzel

Chips = $14$

Second Equation:

Cookie + Chips + Cookie = 30

We know that Chips = 14.

Cookie + 14 + Cookie = 30

Subtract 14 on both sides:

Cookie + Cookie = 16

Cookie = $16\div 2 =8$ .

Fourth Equation:

Cookie + Cookie + Popcorn = 29

We know that Cookie = 8.

8 + 8 + Popcorn = 29

16 + Popcorn = 29

Subtract 16 on both sides:

Popcorn = 13.

Question Mark:

(Popcorn + Popcorn) $\times$ Cookie + Chips = (13 + 13) $\times$ 8 + 14 = 26 $\times$ 8 + 14 = $208+14=222$

6 0

2 years ago

Read 2 more answers

In a game of checkers there are 12 red pieces and 12 black game pieces.Julio is setting up the board to begin playing. what is t

Bond [772]

Since there are equal numbers of pieces, the chances of Julio getting a red on the first pull is 12/24 or 1/2 (reduced)

However on the second pull there are only 11 reds (Julio pulled one out) out of 23 remaining pieces so the chances of pulling the second red are 11/23

Now multiply those possibilities:
1/2 x 11/23 and you will get 11/46 which is the probability of pulling two reds in a row. 11/46 is the answer.

4 0

2 years ago

How do I do this. Due tomorrow

kolbaska11 [484]

I prefer D.

It's clear that Kevin took (1/4)x.
Keith took (1/4)x -> kevin's amount
* 2 -> twice.
-1 -> 1 less.

So Kevin + Keith = (1/4)x + (1/4)x * 2 - 1 = (3/4)x - 1.

3 0

3 years ago