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ch4aika [34]
3 years ago
15

All numbers that are evenly divisible by both 6 and 14 are also divisible by? 8, 12, 21, or 28?

Mathematics
2 answers:
marusya05 [52]3 years ago
4 0
Here the answer is 21 as the LCM of 14 and 6 is 42 and 42 is exactly divisible by 21.
Fed [463]3 years ago
3 0
21. The first divisible number is 14x3 = 42 which is divisible by 6 14 and 21
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(Before you answer I am looking for how I do it. I have the answers but I need to know an equation to do this instead of using l
Tema [17]

Answer:

14 and 16.

Step-by-step explanation:

We know that two consecutive even numbers is 30.

Let's let n be <em>any number</em>.

Then the first <em>even</em> number must be 2n.

This is because n can be any number, either even or odd. However, if we multiply it by 2, this <em>ensures</em> that 2n is even. Remember that any number multiplied by 2 yields an even number.

Therefore, the consecutive even number will be (2n+2). Not (2n+1), because that gives an odd number.

We know that they sum to 30. So, we can write the following equation.

(2n)+(2n+2)=30

And we solve from there:

4n+2=30\\\Rightarrow4n=28\\\Rightarrow n=7

So, the value of n is 7.

Therefore, the first even number is 7(2)=14.

And the consecutive even number is 16.

Edit: Typo

7 0
3 years ago
20% tip if the bill is 48.25
baherus [9]
20% of 48.25
(20/100) * 48.25
(1/5) * 48.25
9.65

tip is 9.65
4 0
3 years ago
A marathon is 26.2 miles long. There is a water station every 114 miles along the race route. How many water stations are needed
Aleks [24]

Answer:

I think 21

Step-by-step explanation:

7 0
3 years ago
Find the value of x picture attached
aev [14]

Answer:

<em>x = 10</em>

Step-by-step explanation:

These angles are <em>same side interior angles</em>.

This means that (11x + 10) + (10x - 40) = 180

Solve for x:

11x + 10 + 10x - 40 = 180

21x - 30 = 180

      +30     +30

21x = 210

/21      /21

<em>x = 10</em>

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3 years ago
Find the mean for the following sets of numbers.14,15,20,21
Jet001 [13]
The mean of those sets of numbers are 17.5
3 0
4 years ago
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