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bonufazy [111]
3 years ago
5

What is 4m-3n=8 solve for m

Mathematics
1 answer:
stepladder [879]3 years ago
8 0
4m - 3n =8
4m = 8 + 3n
4m = 8 + 3n
m = (8 + 3n)/4
m = 2 + 3n/4

The solution would be m = 3n/4 + 2.
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Just need help with 2 and 4 :)
vesna_86 [32]
2.)

0 = 6x + 3y +9
-3y = 6x + 3y - 3y +9

\frac{ - 3y}{ - 3}  =  \frac{6x + 9}{ - 3}  \\  \\ y =  - 2x - 3
By isolating y we now have the equation in slope intercept form:
y = mx + b

Where m = slope and b = y- intercept. Therefore, the slope is -2 and the y - intercept is -3.

4.)

Similarly, #4 is already in slope intercept form so we can solve it by inspection. So for #4 the slope is -1 and the y - intercept is 2.
7 0
3 years ago
Whoever answers first I'll give a brainly what is<br> 2+2
Naya [18.7K]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
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A chameleon is looking for prey. Let positive numbers represent the elevation of prey above the chameleon and negative numbers r
alexira [117]

Answer:

B: The elevation of the chameleon

Step-by-step explanation:

The Fly is <em><u>above</u></em> the chameleon, so its elevation should be represented by a "positive number"(Example of positive number: 16)

Also,

The Grasshopper is <em><u>below </u></em>the chameleon, so its elevation should be represented by a "negative number"(Example of negative number: -23)

ඞHope this helps u because i got dis question from Khan Academyඞ

4 0
3 years ago
(a-1)*(a+1) How does the expansion of this thing works?
kirill115 [55]
This is a simple formula:(a-b)*(a+b)= a^2-b^2
And it goes like this for your example: (a-1)*(a+1)=a*a+a-a-1*1=a^2-1^2=a^2-1
5 0
3 years ago
2(x−3) = 2x + 15 how many solutions
sammy [17]

Answer:

0

Step-by-step explanation:

2x-6=2x+15

2x-2x=15+6

0x/0=21/0

x=0

5 0
2 years ago
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