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Katarina [22]
3 years ago
5

If a line crosses the y-axis at (0,1) and has a slope of 4/5 what is the equation of the line

Mathematics
1 answer:
boyakko [2]3 years ago
7 0

Answer:

y = (4/5)x + 1

Step-by-step explanation:

The slope-intercept form of the equation of a line is

y = mx + b, where m is the slope and b is the y-intercept.  

We are given m = 4/5, and are given a point (x, y) of (0, 1), so plug those in and  solve for 'b'

1 = (4/5)(0) + b

1 = b

So the equation is y = (4/5)x + 1

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The area of a rectangle is the rectangle’s length times its width. Write a program that asks for the length and width of two rec
Mnenie [13.5K]

Answer:

Using c++

Check the image for colors.

Step-by-step explanation:

#include <iostream>

using namespace std;

int main()

{

   float length1,length2,width1,width2,area1,area2;

   

   cout<<"length of Rectangle 1\n";

   cin>>length1;

   cout<<"\nwidth of Rectangle 1\n";

   cin>>width1;

   cout<<"\nlenght of Rectangle 2\n";

   cin>>length2;

   cout<<"\nwidth of Rectangle 2\n";

   cin>>width2;

   

   area1=length1*width1;

   area2=length2*width2;

   

   if (area1<area2)

   {cout << "\nRectangle 2 has greater area";}

   else {

               if (area1>area2)

                  {cout << "\nRectangle 1 has greater area";}

               else {cout << "\nAreas are the same";}

         }

   

   return 0;

}

7 0
3 years ago
Calculate the circumference and area of this circle. 4cm radius​
Alja [10]

Answer:

the circumference is 25.133 and the area is 50.265

5 0
3 years ago
Read 2 more answers
Can anyone help me to solve this please?? ​
andre [41]

Answer:

Step-by-step explanation: explique melhor

7 0
3 years ago
In the solution to this system, what is the value of y? x+y+z=1x+y+z=1 2x+y−z=82x+y-z=8 x−y+z=−5
kirza4 [7]
If you have multiple equations with multiple variables, you can either do clever substitutions, or turn it into a matrix on which you can perform linear combinations or multiplications (Gauss elimination)

1  1   1  1
2  1  -1  8
1 -1   1  -5

(note how the above 3 rows represent the 3 equations, just got rid of the variables, plus sign and equals sign)

subtract row1 from row3, that eliminates x and z from row 3.

1  1   1  1
2  1  -1  8
0 -2   0  -6

divide row3 by -2, that will give y a factor of 1

1  1   1  1
2  1  -1  8
0 1   0  3

The last row now says y=3



3 0
4 years ago
In a parking lot, 1 out of every 8 cars are blue. what percent of the cars in this lot are blue
Leokris [45]
1/8=.125, so 12 and a half % are blue
7 0
3 years ago
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