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trasher [3.6K]
3 years ago
11

Whats the lcm of 30, 45, 10

Mathematics
2 answers:
barxatty [35]3 years ago
8 0
There least common factor would be 5 since they are all divisible by 5.
miss Akunina [59]3 years ago
4 0
The least common factor of 30, 45, and 10 is 5. 

30=2*3*5
45=3*3*5
10=2*5

By looking at the 3 prime factorizations, you can see that 5 is the biggest prime number that is present in all 3 prime factorizations. 
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The rule as a mapping for the translation of a rectangle is (x, y) → (x – 2, y + 7). Which describes this translation?
maksim [4K]

Answer:

The answer is a translation of 2 units to the left and 7 units up

Step-by-step explanation:

we know that

In the rule for the translation of a rectangle

(x, y) → (x – 2, y + 7).

the term (x-2) means a translation of 2 units to the left  

the term (y+7) means a translation of 7 units up

Therefore,

The answer is a translation of 2 units to the left and 7 units up....

7 0
3 years ago
Malik borrowed $105 from his brother and plans to repay $12 per week. He creates a table to help him determine the number of wee
stich3 [128]
9 weeks because 12x9= 108 and 108 is more than Malik need to repay but 108-12=96 less than needed so it is 9 weeks
5 0
3 years ago
Read 2 more answers
5 + 6 - (-3) - 8 + 4 -3
Komok [63]
Okay, so -

We have one very important thing here. This little part <em>6 - (-3). </em>

Now, it's essential to remember that when we have two negatives like this, we simply draw a line straight down. It becomes a positive! 

So, our question is essentially <em>5 + 6 + 3 - 8 + 4 - 3 = ?</em> instead of <em>5 + 6 - (-3) - 8 + 4 - 3!</em> =)

With that in mind, we simply solve left to right. 

<em>11 + 3 - 8 + 4 - 3 = ?</em>

<em>14 - 8  + 4 - 3 = ?</em>

<em>6 + 4 - 3 = ?</em>

<em>10 - 3 = ?</em>

<em>7</em> is our final answer! =)
6 0
3 years ago
A car travels for 3 hours and covers 156 miles. Find the average speed of the car.
lidiya [134]

Answer:

52 miles per hour

Step-by-step explanation:

Firstly, It is important to point out  that it is Average speed. The Average speed throughout all the way the car traveled.

And this is may calculated by a simple formula or if you'd rather by a proportion. Let's pick this simple formula, what's going to be useful.

Let's do the math!

Average speed = Δs/Δt

Δs = Variation of Space (given in miles) =156 -0

Δt =Variation of Time (given in hours) =3-0

Average Speed = 156-0/3-0 =156/3 =52 miles per hour

It is important to say, Average speed, is a rate so it is given in miles per hour

5 0
3 years ago
A bag of marbles has 8 red marbles, 4 blue marbles and 5 white marbles. Alyssa picks a marble at random. Is it more likely that
OleMash [197]

Answer:

A. a red marble

there's more red marbles than blue and white marbles

3 0
3 years ago
Read 2 more answers
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