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Dmitry_Shevchenko [17]
2 years ago
10

If 3x + 2y= 14 and 5x + 3y = 12, then find the value of 5x- y.

Mathematics
1 answer:
Ksju [112]2 years ago
6 0
I think the answer would be negative 124 NOT SURE
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Math help please, thank you!
CaHeK987 [17]
The answer to the first question of the attached document is option 1. We obtain the answer subtracting the term n from the series with the term n-1.For example:
 -3 - (- 5) = 2
 -1 - (- 3) = 2
  1 - (- 1) = 2
 So you can see that the common difference is the 2.

 The answer to the second question is option 3:
 y = | x + 7 |
 We can confirm it by substituting values in the equation.
 For example:
 if we do y = 0 then x = -7
 if we do x = 0 then y = 7.
 As corresponds in the graph shown.
 Remember also that as a general rule yes to the equationy = | x | whose vertex is in the point (0,0) we add a positive real number "a" of form y = | x + a | then the graph of y = | x | will move "to" units in the negative direction of x.

 The answer to the third question is option 4.
 The quotient of x and "and" is constant.
 k = y / x
 Rewriting:
 y = kx
 You can see that it corresponds to the equation of a line that passes through the origin, this means that and is proportional to x and both vary directly
3 0
2 years ago
Which inequality has –12 in its solution set? A B C D
Feliz [49]

Answer:

Step-by-step explanation:

solve each inequality:

A : x+6<8  ,  x<-8-6 , x<-14

B: x+4≥-6 ,  x≥-10

C: x-3>-10 , x>-7

D:x≤-9

since -12 is on the left side of the number line then x≤ -9 would be the solution

7 0
3 years ago
Read 2 more answers
Whats the variable for -11b+7+=40
solniwko [45]

Answer:

-3

Step-by-step explanation:

8 0
3 years ago
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Yanka [14]
Oh, well if it isn’t slope! I used to do this don’t cheat kiddo figure it out
5 0
2 years ago
DRAW AND LABEL AN EXAMPLE OF TWO PARALLEL LINES THAY ARE PERPENDICULAR TO A THIRD LINE
igomit [66]
I got the second one done, I️ just need to know the formula for recursive and explicit formula
8 0
3 years ago
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