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kkurt [141]
3 years ago
9

Select the least common multiple of 12 and 15. A. 3 B. 15 C. 60 D. 180

Mathematics
1 answer:
ad-work [718]3 years ago
7 0

Answer:

60

Step-by-step explanation:

12=2⋅2⋅3

15=3⋅5

We see that they both share 3 is their LCM.

We divide each number by their LCM.

123⇒4

153⇒5

We multiply these two quotients and the LCM to get our final answer:

3⋅4⋅5=60

That is our answer!

Hope this helped! :)

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A table is 3 feet and 2 inches wide, and a chair is 25 inches wide. How much wider is the table than the chair?
slega [8]

Answer:

The table is 13 inches wider than the chair.

Step-by-step explanation:

A table is 3 feet and 2 inches wide

since there are 12 inches in one feet

= 3(12) + 2

=36+2

=48 inches

a chair is 25 inches wide

so..

38 - 25 = 13 inches

6 0
3 years ago
Un = 5 x 21<br> What is the answer to this problem?
siniylev [52]

Answer:

N = 105/u

U = 105/n

Step-by-step explanation:

Let's solve for n.

un=(5)(21)

Step 1: Divide both sides by u.

nu/u = 105

un = 105/u

__________________________

Let's solve for u.

un=(5)(21)

Step 1: Divide both sides by n.

nu/n = 105/n

u = 105/n

4 0
3 years ago
Find cos(a) in the triangle.
pickupchik [31]

{\huge{\boxed{\mathcal{\green{ANSWER}}}}} \\ cos( \alpha ) = base \div hypotenuse \\  \\ base \:  =  \: 21 \\  \\ hypotenuse = 29 \\  \\ cos( \alpha ) = 21 \div 29 \\  \\ {\huge{\boxed{\mathfrak{\red{hope \: it \: helps \: }}}}}

7 0
3 years ago
-2/5x - 1/2 + x = -40/11
IgorLugansk [536]

Answer: x = 6.56

Step-by-step explanation: -0.4x - 0.5 + x = 3.63

-0.4x^2 - 0.5 = 3.63

-0.4x^2 = 4.13

0.63x = 4.13

x = 6.56

7 0
2 years ago
El cociente de b y 5
lord [1]
Seria 25/5 por que si lo divides seria 5X5=25 ok a ver si te sirve
6 0
2 years ago
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