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eduard
4 years ago
5

27. What is the least common multiple of 14 and 21?

Mathematics
2 answers:
Soloha48 [4]4 years ago
6 0

Answer:

Step-by-step explanation:

14 = 2 * 7

21 = 3 * 7

Least common multiple  = 7 * 2 *3  = 42

MrRa [10]4 years ago
4 0

By dismantling

14 = 7 • 2

21 = 7 • 3

The least common multiple is

7 • 2 • 3 = 42

Hope this helps.

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What is 7.53x10^ -10 pls help
Damm [24]

7.53x10^-10 (move the decimal 10 places to the left.

7.53x10^-10= 0.000000000753

7 0
3 years ago
50 cases in 44 minutes equals how many cases in 60 minutes
Blizzard [7]
To solve this, set up a proportion, crossmultiply, and solve for x. 

Let x = the unknown amount of cases in 60 minutes.

\frac{50}{44} = \frac{x}{60}
44x = 50(60)
44x = 3000

Divide both sides by 44 to isolate variable x
x = 3000 / 44
x ≈ 68.1818 (the 18s repeat forever)

Rounding to the closest case and assuming the rate stays constant, you would get approximately 68 cases in 60 minutes. If you need not round to the nearest case, you would get approximately 68.18 cases in 60 minutes. 
4 0
3 years ago
Solve using the substitution method 2x+3y=1 y=x-8
QveST [7]
Subsitute

y=x-8
since y=x-8, subsitute x-8 for y

2x+3(x-8)=1
distribute (a(b+c)=ab+ac)
3(x-8)=3x-24

2x+3x-24=1
combine like terms
5x-24=1
add 24 to both sides
5x=25
divide 5
x=5
subsitute
y=x-8
y=5-8
y=-3

x=5
y=-3 is solution
in (x,y) forom
(5,-3) is the solution
7 0
3 years ago
Read 2 more answers
Solve for a. Correct answer gets BRAINLIEST
Darina [25.2K]

Hey there!!

Equation given :

A = h ( a + b ) / 2

Multiply by 2 on both sides

2A = h ( a + b )

Divide by h on both sides

2A / h = a + b

Subtract by b on both sides

2A / h - ( b ) = a

Hence, the option ( a ) is the correct answer

Hope my answer helps!

3 0
3 years ago
Hellppppp me pleaseeeee
Alla [95]

Answer:240


Step-by-step explanation:

40 pencils in one minute

2 hours=120 minutes

40*120=480

480/2=240 boxes

3 0
3 years ago
Read 2 more answers
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