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kipiarov [429]
3 years ago
5

What is the Lcm of 2 and 7

Mathematics
1 answer:
wel3 years ago
5 0

Answer:

14

Step-by-step explanation:

The least common multiple is a number that both numbers can multiply something to get to, and the smallest possible common one.

Let's try listing out the multiples of 2:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

And the multiples of 7:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

Notice that both have the number 14 in common, and it is the first number that they do so.  There are lots of other multiples that they have in common too, but 14 is the least.

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I'm really stuck on this math problem. I never learned this in school. Can someone please help me out? Thank you
romanna [79]
Hehe, these are fun to do. There are two ways to do this kind of problem. You can use the pythagorean theorem or we can use the distance formula.
Distance formula:
d= \sqrt{(x2-x1)^2+(y2-y1)^2}

Pythagorean Theorem:
a^2+b^2=c^2

Distance formula is better if you're finding distance between two coordinates. The Pythagorean Theorem only really works for independent values. If I had 2 sides of a triangle, and I needed to find the third, I'd use this equation to find it. In this case, we'll use the distance formula.

I'll work the first one out for you:
 x1   y1     x2  y2  
(3,   2) & (7,   4)

d= \sqrt{(7-3)^2+(4-2)^2}
                           v
d= \sqrt{(4)^2+(2)^2}
                           v
d= \sqrt{(16+4}
                           v
d= \sqrt{20}

There's your answer!

<em>
</em>
<em>I spent a lot of time making this answer to help you. Please rate it Brainliest!</em>


7 0
3 years ago
Please help me please!!!!!!!
Alex787 [66]
The answer is B) 60 

Hopes this helps ya!
6 0
3 years ago
Ben needs to buy orange juice he can buy 64 fl oz at the grocery store for $2.00 or he can buy 256 fl oz at the whole sale for $
Sholpan [36]
1.    2.00/64=3.125 cents per oz 
2.    7.50/256=2.930 cents per oz.
3.    The best deal is at the whole sale 
8 0
3 years ago
Can someone please tell me what 597 ➗ 5 is
BigorU [14]

Answer:

119.4

Step-by-step explanation:

Big Brain Dude <:

5 0
3 years ago
wendy weighs 8lb less than jean if jeans weight is p lb then what is an appropriate expression fir wendys weight
PIT_PIT [208]
The expression for Wendy's weight would be p-8.

Since Wendy is 8 pounds less than Jean, we take Jean's weight and subtract 8.  If Jean's weight is p, then Wendy's would be p-8.
4 0
4 years ago
Read 2 more answers
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