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IgorLugansk [536]
3 years ago
5

1/4x+3/4y=1 please solve (linear equation)

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0
Convert this to slope-intercept form

subtract 1/4x, 

3/4y=1-1/4x

then multiply my 4/3

y=4/3-1/3x

y=-1/3x+4/3

4/3 is the y-intercept, so when you're graphing begin with it. Then find another point on the graph according to the slope. Plot point (0,4/3) then plot a point with a y-value 1 less and an x-value 3 more. (slope is sometimes called rise over run because it is a ratio of the change in the y-value divided by the change in the x-value) Plot point (3,1/3). Connect the dots with a ruler and draw a line.
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Y= (x-9) (x+3)
juin [17]

Answer:

y = x² − 6x − 27

Step-by-step explanation:

To distribute, you can use something called FOIL.  It stands for First, Outer, Inner, Last.

First, multiply the First term in each factor.

x · x = x²

Now multiply the Outer terms in each factor.

x · 3 = 3x

Next multiply the Inner terms in each factor.

-9 · x = -9x

Finally, multiply the Last terms in each factor.

-9 · 3 = -27

Add them all up:

x² + 3x − 9x − 27

x² − 6x − 27

4 0
3 years ago
Solve for x<br> -18 = 9 - 3x
iVinArrow [24]

Answer:

3x=9+18

=27

x =27÷3

x=9

the answer of x is 9

6 0
2 years ago
Read 2 more answers
Which comparison statement is true? A. 7.24 &lt; 7.240 B. 7.24 &gt; 7.240 C. 7.24 = 7.240
KIM [24]
The answer is c they are equal to each other because the zero does not add anything to that number it is a place holder.


8 0
3 years ago
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Find the arc length (to the nearest inch) of the sector of a circle with a radius 14 inches and a central angle of 0=108°
forsale [732]
Length of arc=angleO/360×2pi×r
=108/360×22/7×14×14
=3/10×22×2×14
=66×2×14/10
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4 0
3 years ago
Find the area of the circle. Round to the nearest tenth. Use 3.14 or 22/7 for pie.
maks197457 [2]

Answer:

98.5 cm2

Step-by-step explanation:

6 0
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