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UkoKoshka [18]
3 years ago
6

PLEASE HELP 25 POINTS

Mathematics
2 answers:
avanturin [10]3 years ago
7 0

Answer:

The LCM will be: 10x^3y^3

and The Solution will be: \frac{12y^2-5x}{10x^3y^3}

Step-by-step explanation:

We need to solve the problem

\frac{6}{5x^3y}-\frac{1}{2x^2y^3}

Since there is minus sign, so we take LCM of 5x^3y and 2x^2y^3

The LCM will be: 10x^3y^3

Our equation will become after taking LCM

=\frac{12y^2}{10x^3y^3}-\frac{5x}{10x^3y^3}\\=\frac{12y^2-5x}{10x^3y^3}

MrRissso [65]3 years ago
3 0

The lcd would be 10x^3y^3

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Answer:

5

Step-by-step explanation:

35 = 5 x 7

45 = 3 x 3 x 5

You see that 5 is the greatest, and only, common factor.

Hope that helps!

6 0
3 years ago
For a science project, 3/4 of the students chose to make a poster and 0.25 of the students wrote a report. Rosa said that more s
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She’s right because .25 converted into a fraction is 1/4 and 3/4 is greater than 1/4
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3 years ago
A field bordering a straight stream is to be enclosed. The side bordering the stream is not to be fenced. If 1000 yards of fenci
sveta [45]

Answer:

x  =  500 yd

y  =  250 yd

A(max) = 125000 yd²

Step-by-step explanation:

Let´s call x the side parallel to the stream ( only one side to be fenced )

y the other side of the rectangular area

Then the perimeter of the  rectangle  is  p  =  2*x  + 2* y  ( but only 1 x will be fenced)

p  =  x  +  2*y

1000  =  x   +  2 * y         ⇒    y  =  (1000 - x )/ 2

And   A(r)  =  x * y

Are as fuction of x

A(x)  =  x  *  (  1000  -  x ) / 2

A(x)  =   1000*x / 2 -  x² / 2

A´(x)  =  500  -  2*x/2

A´(x)  =  0              500   -  x   =  0

x  =  500 yd

To find out if this value will bring function A to a maximum value we get the second derivative

C´´(x)  =  -1         C´´(x) < 0  then efectevly we got a maximum at  x  = 500

The side  y  = ( 1000  -  x ) / 2

y  =  500/ 2

y  =  250 yd

A(max)  =  250 * 500

A(max) = 125000 yd²

3 0
2 years ago
Figure ABCD is transformed to obtain figure A′B′C′D′:
Kisachek [45]

Step-by-step explanation:

part A:

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2) by translation T (7 0), obtain the image :

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part B:

the two figures are congruent.

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6 0
3 years ago
How many multiples of three are between 10 and 787 and show work pls
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