PLEASE HELP

2 answers:

8 0

Answer would be 37.5

explanation: a square has 4 sides of equal length, meaning you divide 150 by 4 because thats how many sides there are.

jeyben [28]2 years ago

7 0

Answer:

37.5 in

Step-by-step explanation:

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A line passes through the point (4. 8) and has a slope of

valentina_108 [34]

Answer:

y=5x-12

Step-by-step explanation:

use equation y=mx+b

8=5(4)+b

8=20+b

-20 -20

-12=b

Final equation:

y=5x-12

6 0

2 years ago

Which of the following is an equation of the circle with a center at (-1,4) and a radius of 2√5 units? plss pahelp naman

Ksivusya [100]

Answer:

Option A

Step-by-step explanation:

The standard form of an equation of a circle is represented by the formula $(x-h)^2+(y-k)^2 = r^2$ . Remember that $(h,k)$ is the center and $r^2$ is the radius squared.

So, the equation of the circle must be $(x+1)^2 +(y-4)^2 = 20$ . Complete the square to change the form of the equations listed in the options and find the one that is equal.

Let's try this with option A. Move the constants to the right side, then use the completing the square method to place the equation in standard form:

$x^2 + y^2 +2x -8y -3 = 0\\x^2 + y^2 +2x-8y = 3\\x^2 + 2x +y^2-8y = 3\\(x^2 +2x+1)+(y^2-8y +16)=3+1+16\\(x+1)^2 + (y-4)^2=20$

The end result matches with the equation determined before, so option A is the answer.

8 0

3 years ago

Graph a line that contains the point (6, -5) and has a slope of -2/3.

Lapatulllka [165]

We know that the equation of the line is in the form $y=-\frac{2}{3}x+b$ . To find b, we can use the fact that (6,-5) lies on the line, meaning that both sides of the equation are equal when x=6 and y=-5.