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SVEN [57.7K]
3 years ago
8

Graph a line that contains the point (4,3) and has a slope 1/2

Mathematics
2 answers:
olga_2 [115]3 years ago
7 0

Answer:

Since, the equation of a line passes through (x_1, y_1) with slope m is,

y-y_1=m(x-x_1)

Thus, the equation of line passes through (4, 3) with slope \frac{1}{2} is,

y-3=\frac{1}{2}(x-4)

2y - 6 = x - 4

x-2y = -6 + 4

x-2y = -2

If x = 0,

-2y=-2\implies y =1

Thus, the line intersects y-axis at (0, 1),

If y = 0,

x-2(0) = -2\implies x = - 2

Thus, the line intersects x-axis at (-2, 0),

By joining the points (0, 1) and (-2, 0) we get the graph of the given line ( shown below )

Roman55 [17]3 years ago
6 0

Answer: The graph is attached.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

We can find "b" substituting the slope and coordinates of the (4,3) into thte equation  y=mx+b, and then solving for "b":

3=\frac{1}{2}(4)+b\\\\3-2=b\\\\b=1

By definition, the line intersects the x-axis when "y" is zero.

Then, we need to substitute the y-intercept and y=0 into  y=mx+b and then solve for "x" in order to find the x-intercept:

0=\frac{1}{2}x+1\\\\-1(2)=x\\\\x=-2

Knowing the x-intercept and the y-intercept, we can graph the line (The graph is attached)

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a silo is shaped like a cylinderwith a cone on top. the radii of the bases of the cylinder and cone are both equal to 8 feet. th
Ymorist [56]

Answer:

5430.85 square feet

Step-by-step explanation:

Height of the cylindrical part of the cilo   = 25 feet

radius of the base cylindrical part of cilo = 8 feet

Now volume of cylindrical part of cilo =\pi r^{2} h

Volume of cylindrical part of cilo = \pi(8^{2})25 = 1600\pi square feet

Now,

Height of the conical part of cilo = 6 feet

Radius of the conical part of cilo = 8 feet

Volume of the conical  part of cilo = \frac{1}{3}\pi (8^{2})6= 128\pi square feet

Volume of the entire cilo = 1600\pi + 128\pi = 1728\pi

since \pi =\frac{22}{7} therefore,

volume of entire cilo =   \frac{22}{7} (1728)= 5430.85

3 0
3 years ago
A person who weighs 164 pounds on Earth would weigh 80 pounds on a nearby planet.
finlep [7]

Answer:

84.05 lbs, I think...

Step-by-step explanation:

I divided 164 by 80 and got 2.05

Then I multiplied 2.04 by 41.......I might be wrong... But hopefully I'm not..

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3 years ago
*PLEASE HURRY* WILL GIVE BRAINLIEST* Write the equation in the form ax^2 + bx+c=0 where a > 0, if necessary. Then identify th
yKpoI14uk [10]

Answer:

a= 3

b=-4

c=-8

Step-by-step explanation:

3x²=4x+8

since the 4X is positive it will cross the equal sign and become negative and the same goes for 8,and this will leave nothing on the right of the equal sign therefore it will become 0

3x²-4x- 8= 0

the above equation is now in the form required

ax²+bx+c=0

so substitute the values according and u will see that a= 3

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5 0
3 years ago
Write the standard form equation of the line through the given points. through (0.-4) and (-3,-2)
Alexxx [7]

Answer:

The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is \frac{2}{3}x+y=-4

Step-by-step explanation:

The standard form of equation is Ax+By=C

Finding slope

Using the given points (0,-4) and (-3,-2) we can find slope using formula:Slope=\frac{y_2-y_1}{x_2-x_1}

Slope=\frac{-2-(-4)}{-3-(0)}\\Slope=\frac{-2+4}{-3}  \\Slope=-\frac{2}{3}

Finding y-intercept

Using point (0,4) and Slope=-2/3 we can find y-intercept

y=mx+b\\-4=-\frac{2}{3}(0)+b\\-4=0+b\\b=-4

The slope intercept form of the line through the given points. through (0.-4) and (-3,-2) having slope =-2/3 and b=-4 will be:

y=mx+b\\y=-\frac{2}{3}x-4

Now, standard form of equation will be: \frac{2}{3}x+y=-4

So, The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is \frac{2}{3}x+y=-4

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