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Maksim231197 [3]
3 years ago
7

Lcm of 6 and 13 what is it?

Mathematics
2 answers:
andriy [413]3 years ago
7 0

Answer:

78

Step-by-step explanation:

Since 13 is a prime, the least common multiple of it and 6 is their product. 6*13=78. Hope this helps!

Marianna [84]3 years ago
4 0

Answer:

78

Step-by-step explanation:

Least Common Multiple of 6 and 13. Least common multiple (LCM) of 6 and 13 is 78.

6- 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78

13- 13, 26, 39, 52, 65, 78

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Solve 4a = 20
olya-2409 [2.1K]

Here's the solutions :

1. solve for a :

  • 4a = 20

  • a =  \dfrac{20}{4}

  • a = 5

2. solve for y :

  • 3y + 9 = 24

  • 3y = 24 - 9

  • 3y = 15

  • y =  \dfrac{15}{3}

  • y = 5

3. solve for y :

  • \dfrac{y}{3}  - 5 = 4

  • \dfrac{y}{3}  = 5 + 4

  • \dfrac{y}{3}  = 9

  • y = 9 \times 3

  • y = 27

4. solve for k :

  • 3 = 9 -  4k

  • 3 - 9 =  -4 k

  • - 6 =  - 4 k

  • k =  \dfrac{ - 6}{ - 4}

  • k =  \dfrac{3}{2}  \:  \:  \: or \:  \: 1.5

5. there's something wrong with this question.

6. solve for x :

  • 3x + 8 = 2

  • 3x = 2 - 8

  • 3x =  - 6

  • x =  \dfrac{ - 6}{3}

  • x =  - 2

i hope it helped...

6 0
2 years ago
Read 2 more answers
a plane intersects a sphere 5cm away from the center of the sphere. the cross section is a circle whose diameter is 12 cm. deter
bezimeni [28]
26cm i hope that’s correct
5 0
2 years ago
Select the ordered pair that is the solution of this equation: -7x – 4y = 6
Olegator [25]
Its just a matter of subbing

-7x - 4y = 6....subbing in (-2,2)...x = -2 and y = 2
-7(-2) - 4(2) = 6
14 - 8 = 6
6 = 6 (correct)

so ur solution is (-2,2)
4 0
3 years ago
if anyone who knows this please message me and give me the answers and i will pay you to help me with the rest
MatroZZZ [7]

Answer:

1= 190800000000000000 2=0.00325

Step-by-step explanation:

more points for more answers

3 0
3 years ago
Read 2 more answers
A rectangle has a perimeter 60m and base21 m what is its area
Komok [63]

Since you're given the base for the perimeter of the rectangle, you can solve this question quickly.

First, you multiply 21 by 2, because there are two bases to a rectangle.

You'll get 42, and you will have to do 60-42 to find the perimeter for the remaining two sides.

60-42 will give you 18, so you can divide that by 2 because there are two other sides, giving you 9.

Now you have the side lengths 21 and 9. Area is base*height, so you can multiply 21*9 and get 189.

Therefore, the area of the rectangle is 189 meters

5 0
3 years ago
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