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ser-zykov [4K]
3 years ago
8

Find the equation of a line which has a slope of -9 and crosses the y axis at -7

Mathematics
1 answer:
Ymorist [56]3 years ago
6 0

Answer:

4

Step-by-step explanation:

slope,m=0 and y-intercept (0,4) means this is a horizontal line that crosses the y-axis at 4. so, y=mx+b becomes y=b or y=4 which is the equation of given line.

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7. If the perimeter of a square is 14g +28 inches, what is the length, in inches, of each side of
AleksandrR [38]

Answer:

3.5x+7

Step-by-step explanation:

divide your coeeficients by 4

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3 years ago
I'LL GIVE BRAINLIEST TO WHOEVER ANSWERS THE QUESTION CORRECTLY!!!!
12345 [234]

Answer:

the triangle are equilateral

3 0
2 years ago
Read 2 more answers
Select the best attribute for the angle pair formed by two parallel lines intersected
Inga [223]

Answer:

Corresponding Angles sum to 180°

Step-by-step explanation:

If a pair of parallel lines is cut by transversal that is not perpendicular to the parallel lines as shwon in the figures (attached below), then;

Four angles are acute, and four are obtuse.

  • All four acute angles are equal: 2=3=6=7
  • All four obtuse angles are equal: 1=4=5=8
  • The sum of acute and obtuse angles is 180:                                          for example, 1+2=180, 3+4=180, 5+6=180, 7+8=180

so the best attribute for the angle pair formed by two parallel lines intersected  by a transversal is that Corresponding Angles sum to 180°.

7 0
3 years ago
Part I: Describe the center and radius of the circle.
trasher [3.6K]

Answer:

Center (2,4) , radius=3, h=2 v=4 & r=3

Step-by-step explanation:

Ok so in order to find the center of the circle, use the graph (like you can see that the x is 2,if you count down from 5 to the left. the y is 4,because it's below 5 in the y pole).So the center is (2,4)

Now, in order to find the length of the radius, you need to do the following:

Take the center point (2,4) and the point where the circle ends (2,1) . Because radius is a straight, you can substract the y values of the two points : 4-1=3

As you can see in the equation, the h symbolizes the x of the center point and the v symbolizes the y.The r is the radius that we already found(3)

So it's shouldn't be a problem now to find the equation of the circle,simply replace the values with their numbers:

(x-2)^2 + (y-4)^2 = 9

4 0
3 years ago
Una llave llena un tanque en 4 horas y el desagüe lo vacía en 6 horas. ¿En cuánto tiempo se llenará el tanque, si ambas llaves s
Sholpan [36]

Answer:

Creo que la respuesta sería B: 2 horas y 15 minutos.

Step-by-step explanation:

7 0
3 years ago
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