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2 years ago

What is the LCM of 15 and 12?

Mathematics

2 answers:

Leya [2.2K]2 years ago

6 0

answer=60

kahigakfkqkgqkggo

LenaWriter [7]2 years ago

4 0

Answer:60

Step-by-step explanation:Multiples of 12:

12, 24, 36, 48, 60, 72, 84

Multiples of 15:

15, 30, 45, 60, 75, 90

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A circular garden has a circumference of 138 yards. Lars is digging a straight line along a diameter of the garden at a rate of

PilotLPTM [1.2K]

Answer:

4 hours

Step-by-step explanation:

<u>Circumference formula:</u>

C = πd

<u>Use the given value and find the diameter:</u>

138 = 3.14d
r = 138/3.14
r = 43.94 ≈ 44 yards

<u>Time required to dig across the garden:</u>

44/11 = 4 hours

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2 years ago

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2 years ago

This wind would be called a

Rina8888 [55]

Southeast, because it is between south and east on a compass

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1 year ago

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4+2(8²×4²)+6+4+6+6+6+2+2

mash [69]

Answer: =2084

4+2(82)(42)+6+4+6+6+6+2+2

=4+264(42)+6+4+6+6+6+2+2

=4+2(64)(16)+6+4+6+6+6+2+2

=4+(2)(1024)+6+4+6+6+6+2+2

=4+2048+6+4+6+6+6+2+2

=2052+6+4+6+6+6+2+2

=2058+4+6+6+6+2+2

=2062+6+6+6+2+2

=2068+6+6+2+2

=2074+6+2+2

=2080+2+2

=2082+2

=2084

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2 years ago

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What is the value of E(-1) n (3n+2)?

RoseWind [281]

<h3>Answer: C) 6</h3>

====================================================

Explanation:

The weird looking E symbol is the greek uppercase letter sigma. It refers to a sum.

It tells us to add up terms in the form (-1)^n*(3n+2) where n is an integer ranging from n = 1 to n = 4.

------------------

If n = 1, then we have

(-1)^n*(3n+2) = (-1)^1*(3*1+2) = -5

Let A = -5 as we'll use it later.

------------------

If n = 2, then

(-1)^n*(3n+2) = (-1)^2*(3*2+2) = 8

Let B = 8 since we'll use this later as well

------------------

If n = 3, then

(-1)^n*(3n+2) = (-1)^3*(3*3+2) = -11

Let C = -11

-------------------

If n = 4, then

(-1)^n*(3n+2) = (-1)^4*(3*4+2) = 14

Let D = 14.

--------------------

We'll add up the values of A,B,C,D to get the final answer

A+B+C+D = -5+8+(-11)+14 = 6

This means that

$\displaystyle \sum_{n=1}^{4}(-1)^n(3n+2) = 6$

6 0

2 years ago

What is the LCM of 15 and 12?​

What is the LCM of 15 and 12?