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Alecsey [184]
3 years ago
15

How do you work y=2x-1 X=-6

Mathematics
2 answers:
Alexandra [31]3 years ago
8 0
All you do is work backward to get the true value of y 
y=2x-1 
0=2x-1
then solve  this should get you the answer x=1 
so the two xvalues are -6 and 1
Liula [17]3 years ago
4 0
Multiply 2 by -6.

y=2x-1
y=2(-6)-1
y= -12-1
y= -13
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What will be angle COD If: angle COD minus angle KOD equals 61degrees and angle COD minus angle KOC equals 53degrees?
kenny6666 [7]

Use algebra for such problems
let, Angle COD = x
Angle KOD = y
Angle KPC = z
Given ,. x - y = 61° ( Equation 1 )
x - z = 53° ( Equation 2 )
Subtract 1st equation from 2nd and you'll get :

z - y = 8° ( Equation 3 )
Now since , x + y + z = 180° ( Equation 4 )
Add Equation 3 to Equation 4 and you'll get
x + 2z = 188° ( Equation 5)
From Equation 2 we know that , x -z = 53°
or, x = 53° + z ( Equation 6 )
Put this value of 'x' in Equation 5 and solve for z. you'll get :
(53° + z) + 2z = 188°
or
3z = 188 - 53 = 135°
solving for z we get
z = 45°
put this value of z in Equation 5
x + ( 2 x 45° ) = 188°
or
x = 188° - 90° = 98°
hence , Angle COD = 98°














5 0
3 years ago
The amount of money it takes to fill up a gas tank varies directly with the number of gallons bought. It cost $21.87 to fill up
Snowcat [4.5K]
I think the answer is 

2.43
8 0
3 years ago
Read 2 more answers
jasmine has 8 seashells. three- quarters are clamshells. how many shells are clamshells 3/4=_/8 a)3 shells b)4 shells c) 6 shell
fgiga [73]
The answer for your question is 6/8
6 0
3 years ago
On a trip last summer, I used 20 gallons of gas to travel 600 miles. At this rate, how much gas
Reptile [31]

Answer:

45,000

Step-by-step explanation:

You should divide 20 by 600 to see how many miles he would run per mile

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8 0
3 years ago
Un<br> How many solutions does this system have?<br> 12x-4y=-8<br> y=3x+2
Talja [164]

Answer:

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Step-by-step explanation:

Get both in the form y = first.

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These are the same line so all points are the same so that means there are infinite answers.

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3 0
3 years ago
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