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AlekseyPX
3 years ago
5

What is the LCM of 6, 12 and 15

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0
3 is the least common multiple
alexandr402 [8]3 years ago
8 0
60 is the Least common denominator
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How do I find the reciprocal of the fractions 2/3 and 8/3
Doss [256]

To find the reciprocal of a number, just flip the numerator and the denominator around.

A. The reciprocal of 2/3 is 3/2.

C. Firstly, convert the mixed fraction into an improper fraction. Multiply the whole number by the denominator and add the numerator to that product. After that, put the quantity on the numerator. In this case, 6 x 6 = 36 and 36 + 1 = 37, so our improper fraction is 37/6. Next, just flip the numerator and denominator around, and your reciprocal is 6/37.

4 0
3 years ago
The sum of three numbers is 72
LekaFEV [45]

Answer: <u><em>The first number is 8</em></u>

Step-by-step explanation: Let the three No. s be x, y and z respectively

given = x+ y+ z= 72

y=7x

z=7x-18

∴As we know x+ y+ z=72

i.e. x+7x+7x-18=72

15x=72+18=90

15x=90

x=90/15

∴x=8

∴y=7x

7×8=56

∴z=7x-18

56-18=38

∴<u><em>The first no. is x=8</em></u>

<u><em>The second no. is y=7x = 56</em></u>

<u><em>The third no. is z=7x-18 = 38</em></u>

6 0
3 years ago
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Which one is older three years are 30 months
KIM [24]
If you mean 3 years or 30 months then 3 years would be more since there's 36 months in 3 years. :)
7 0
3 years ago
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What is the length of segment AB? Coordinate grid shown from negative 8 to positive 8 on both x axis and y axis at intervals of
Brums [2.3K]
We can use the pythagorean theorm. This means that the points can form the two legs of a triangle. 

a = 6
b = 6
c = length AB

a^2+b^2 = c^2

2(6^2) = c^2
72 = c^2

c would be \sqrt{72} or 6\sqrt{2}
5 0
3 years ago
Help please! What is the slope?
malfutka [58]

Answer:

a surface of which one end or side is at a higher level than another; a rising or falling surface:

"he slithered helplessly down the slope"

Step-by-step explanation:

3 0
2 years ago
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