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Damm [24]
3 years ago
8

12-4(5x+3y)= will mark as brainliest

Mathematics
2 answers:
Lynna [10]3 years ago
7 0
I got -20x-12y+12.......

dangina [55]3 years ago
7 0
This can be simplified to:
12-20x-12y
12y=12-20x
y=1-5/3x

There are numerous solutions to this equations such as (0,1)
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Determine if the sequence is arithmetic. If it is, find the common difference. Is the sequence a function ?
BaLLatris [955]
6)\\r=a_{n+1}-a_n\to r=a_2-a_1=a_3-a_2=a_4-a_3=...\\\\a_1=-7;\ a_2=-10;\ a_3=-11;\ a_4=-13\\\\a_2-a_1=-10-(-7)=-10+7=-3\\a_3-a_2=-11-(-10)=-11+10=-1\\\\a_3-a_2\neq a_2-a_1\\\\\text{It's not an arithmetic sequence}


\r=\dfrac{a_{n+1}}{a_n}\\\\r=\dfrac{a_2}{a_1}=\dfrac{a_3}{a_2}=\dfrac{a_4}{a_3}=...\\\\8.)\\a_1=4;\ a_2=20;\ a_3=100;\ a_4=500\\\\r=\dfrac{20}{4}=\dfrac{100}{20}=\dfrac{500}{100}=5\\\\10.)\\a_1-30;\ a_2=-45;\ a_3=-50;\ a_4=-65\\\\\dfrac{a_2}{a_1}=\dfrac{-45}{-30}=\dfrac{3}{2}\\\\\dfrac{a_3}{a_2}=\dfrac{-50}{-45}=\dfrac{10}{9}\\\\\dfrac{a_2}{a_1}\neq\dfrac{a_3}{a_2}\\\\\text{It's not a geometric sequence}
12.)\\a_1=-7;\ a_2=-14;\ a_3=-21;\ a_4=-28\\\\\dfrac{a_2}{a_1}=\dfrac{-14}{-7}=2\\\\\dfrac{a_3}{a_2}=\dfrac{-21}{-14}=\dfrac{3}{2}\\\\\dfrac{a_2}{a_1}\neq\dfrac{a_3}{a_2}\\\\\text{It's not a geometric sequence}\\\\\text{It's a function}


8 0
3 years ago
Evaluate m+n for m = 9 and n=7​
____ [38]

Answer:

16

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the perimeter of triangle A(-2,2), B(10,2), C(10,7).
Sati [7]

Answer:

I believe the answer is 30 units

Step-by-step explanation:

5 0
3 years ago
Ishi bought a canvas and 8 tubes of paint for $24.95. If the canvas costs $6.95, how much did each tube of paint cost?
pashok25 [27]
2.25 dollars for each tube of paint. you just have to divide 18 and 8
7 0
3 years ago
Read 2 more answers
PLZ HELP!<br>dont just answer something random for points:)tysm​
sergiy2304 [10]

Answer:

4(x^{2} -4)^{2} -76

Step-by-step explanation:

Take out 4:

4(x^2-8x)-12

=4(x^2-8x+16-16)-12

=4(x^2-8x+16)-64-12

=4(x^2-4)^2 - 76

=4(x^{2} -4)^{2} -76

6 0
3 years ago
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