Solve the system by graphing. y=1/2x−3 y=3/2x−1

Mathematics

1 answer:

luda_lava [24]3 years ago

5 0

Answer:

Step-by-step explanation:

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poizon [28]

The answer is c 16. Square cm

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Factor the expression 5x^2+24x-5

Black_prince [1.1K]

5x^2+24x-5 factored is: (5x - 1)(x + 5)

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2 years ago

The sector of a circle shown to the left has its center at point OO. The arc XYZXYZ has length 10.810.8, and the central angle X

BARSIC [14]

Answer: Length of the radius of the sector is 6 units.

Step-by-step explanation:

Since we have given that

Length of an arc = 10.8

Radian of a central angle = 1.8

First we convert radian into degrees,

$1\ radian= 57.295779513\textdegree\\\\1.8\ radians=1.8\times 57.3\textdegree\\\\1.8\ radians=103.14\textdegree$

As we know the formula for "Length of an arc":

$\text{Length of an arc}=\frac{\theta}{360\textdegree}\times 2\pi r\\\\10.8=\frac{103.14}{360\textdegree}\times 2\times \frac{22}{7}\times r\\\\10.8=1.8r\\\\r=\frac{10.8}{1.8}\\\\r=6$

Hence, Length of the radius of the sector is 6 units.

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2 years ago

Find the gradient and the coordinates of the y - intercept for the graph: y= 4 + 2x

LiRa [457]

Well gradient means "slope" I just found out from searching the web.
First let's put y = 4 + 2x into slope intercept form of y = mx + b
y = 2x + 4
"m" is the slope, in this equation it would be 2.
The slope or "gradient" is 2.

The y-intercept of any equation in slope intercept form is the value of "b"
In this equation, the y-intercept is 4.

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Write the quadratic equation in vertex form.<br> y = x2 + 16x + 4

MrRa [10]

Answer:

x= y-4/18

y=18x+4

Step-by-step explanation:

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3 years ago