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Masja [62]
3 years ago
15

Find ''m'' and ''c'' of 3-2x+y=0 by comparing with y=mx+c

Mathematics
1 answer:
shusha [124]3 years ago
4 0

Answer:

m=-2 c=3

Step-by-step explanation:

y=mx+c

rearrange

-mx-c+y=0

original

y=2x-3

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A lawn sprinkler sprays water 5 ft in every direction as it rotates. What is the area of the sprinkled lawn?
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78.57

Step-by-step explanation:

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Area of circle is pi*r  Squared

22/7*5*5

78.57 square feet

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sertanlavr [38]

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Step-by-step explanation:

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PLEASE HELP WHATS THE ANSWER
e-lub [12.9K]

Answer:

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4 0
3 years ago
the length of a rectangle is 5 inches longer than twice the width and the area is 12 inches squared. Let l represent the length
svet-max [94.6K]

Answer:

Length = 8 inch , Width = \frac{3}{2} , This equation models the situation

Step-by-step explanation:

Given as ;

The Area of Rectangle is 12 inches²

The Length of Rectangle is 5 inches longer than twice the width

Let The Length = L inches

      The Width   = W inches

According to question ,

L = 5 + (2 × w )

∵ The Area of Rectangle = Length × width

Or, 12  inches²  = [ 5 + (2 × w ) ] ×  w

Or,  12  inches² = 5 w +2 w²

Or,  2 w² + 5 w  - 12 = 0

Or,   2 w² + 8 w  -3 w - 12 = 0

Or,  2 w (w +4) - 3 (w + 4) = 0

I.e (w + 4) ( 2 w - 3) = 0

So ,  w = -4 , and w = \frac{3}{2}

∴  Length = 5 + (2 × w ) =

   Length = 5 + (2 ×\frac{3}{2}  )  

so ,  L = 5 + 3 = 8

Hence Length = 8 inch , Width = \frac{3}{2}   This equation models the situation Answer

3 0
3 years ago
The width of a rectangle is 6 2/3 inches.The length of the rectangle is twice its width. What is the perimeter of the rectangle?
Makovka662 [10]

In this question , it is given that , the width of a rectangle is 6 2/3 inches.The length of the rectangle is twice its width.

First we need to convert mixed fraction to improper fraction.

width = 6 \frac{2}{3} = \frac{20}{3}

And length is twice of width, so length is

length = 2*  \frac{20}{3} = \frac{40}{3}

The formula of perimeter is two times the sum of length and width.

Perimeter = 2(\frac{20}{3} + \frac{40}{3} ) = 2( \frac{60}{3}) = 2*20 = 40 inches

5 0
3 years ago
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