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dmitriy555 [2]
4 years ago
13

What is the advantage of multiply both sides of the equation by the least common multiple of the denominators in the first step

?

Mathematics
1 answer:
Olenka [21]4 years ago
8 0
To make the equation easier so that you don't have to use fractions.
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First one gram equals 1000 grams, so a 39 kilogram equals 39000 grams. Then, 1000 pillows times 300 equals a 39 kilogram sofa. I
jolli1 [7]

Answer:

No

Step-by-step explanation:

Kilogram is the unit of weight. Kilogram is the measure of how much matter or the mass an object has in it. Kilogram is the bigger unit of measurement while gram and milligram are the smaller units to measure the weight of any object.

We know,

1 kilogram = 1000 gram x 1

So, 1000 gram is equal to 1 kilogram

That means, 39,000 gram is equal to 39 kilogram.

In the question it is asked whether 1000 pillows times 300 is equal to 39 kilogram sofa or not.

The answer is not correct, because we do not know the weight of the 1000 pillows.

And also, 1000 x 300 will give you 300,000 and not 39 kilogram or 39,000 grams.

4 0
3 years ago
Please answer this logical reasoning question​
k0ka [10]

Answer:

(b) 5.

Step-by-step explanation:

The bottom numbers are calculated from the 2 above them according to the formula:

c =  15(a + b)

- because:  75 = 15(2 + 3) and  

165 = 15(7 + 4)    

Therefore if the unknown number is x :

285 = 15(14 + x)

285 = 210 + 15x

15x = 285 - 210

15x = 75

x = 5.

8 0
4 years ago
Read 2 more answers
Students in a club are selling flowerpots to raise money each flowerpot sells for $15. Write an expression that represents the t
enot [183]
15x = the total amount of money in $
3 0
3 years ago
Which type of angle is formed by sides of a square?
mr_godi [17]

I believe it would be a right angle. Each corner of a square is a right angle.

4 0
3 years ago
The length of a rectangle is 4 inches more than its width, and its perimeter is 34 inches. Find the length and width of the rect
lesantik [10]

Answer:

6.5 inches = width

length = 10.5 inches

Step-by-step explanation:

let width = w,  then:-

2w + 2(w + 4) = 34

4w = 34 - 8 = 26

w = 26/4 = 6.5 inches

7 0
4 years ago
Read 2 more answers
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