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valentinak56 [21]
3 years ago
7

How do I simplify this and explain how and why it makes sense how I found it?

Mathematics
1 answer:
Vsevolod [243]3 years ago
6 0

\sqrt{225 {x}^{2} }  \\  =  \sqrt{15 \times 15 \times x \times x }  \\  = 15x

hope this would help you

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Write an equation for each line. m=-5 and the y -intercept is (0,-7) .
Veronika [31]

The equation of the line for given values is y = -5x - 7.

<h3>Given a point and a slope, how do you build an equation for a line?</h3>

When you know the slope of the line to be investigated and the provided point is also the y intercept, you may utilize the slope intercept formula, y = mx + b. (0, b). The y value of the y intercept point is denoted by the symbol b in the formula.

The standard equation of straight line is y = mx + c.

Given m = -5 and y - intercept is -7

So, the equation of the line becomes y = -5x - 7

To learn more about equation of the line from given link

brainly.com/question/18831322

#SPJ4

6 0
1 year ago
A rectangle is ( x + 6 ) meters long and ( 2 x − 1 ) meters wide. Which expression represents the PERIMETER of the rectangle?
Furkat [3]

Answer:

6x +10

Step-by-step explanation:

Perimeter = 2*(length + width)

 = 2* (x+6 + 2x-1)

=2*(3x +5)

=2*3x + 2*5

=6x + 10

4 0
3 years ago
Read 2 more answers
Retrying this question because no one wanted to help on the last one.
RUDIKE [14]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Please help. I’ll mark you as brainliest if correct!
Readme [11.4K]

Answer:

\large \boxed{\sf \ \ x=0, \ \ y=-5 \ \ }

Step-by-step explanation:

Hello, please consider the following.

We have two equations:

(1) -2x - 4y = 20

(2) -3x + 5y = -25

5*(1)+4*(2) gives

   -10x - 20y -12x + 20y = 100 - 100 = 0

   -22x = 0

   x = 0

I replace in (1)

   -4y = 20

   y = -20/4 = -5

There is one solution x = 0, y = -5

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0
3 years ago
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1. Find the number of ways of arranging 8 men and 4 women around a circular table.
sattari [20]

Answer:

it's difficult

Step-by-step explanation:

i hope if i know it

7 0
3 years ago
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