rockycatsrule
  • rockycatsrule
Which ordered pair in the form (a, b) is a solution of this equation? 7a – 5b = 28 A. (0, 4) B. (–2, –3) C. (–3, –2) D. (4, 0)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Rushwr
  • Rushwr
tell me your answer !
rockycatsrule
  • rockycatsrule
maybe ether a or d
Rushwr
  • Rushwr
The answer is D

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More answers

rockycatsrule
  • rockycatsrule
k
Rushwr
  • Rushwr
A is not possible because if a = 0 then the whole part (7a) becomes zero According to the equation 7a - 5b = 28 if 7a becomes zero 28 = -5b then b should have a negative value. But in the answer A u have a positive value for b with the zero for a so that's wrong. D is correct because when u substitute it to the equation 7*4 - (5*0) = 28 28 - 0 =28 Then u get the answer right!
rockycatsrule
  • rockycatsrule
rockycatsrule
  • rockycatsrule
For which points is the sum of their x- and y-coordinates greater than 4 [for example, (5, 2) since 5 + 2 = 7, or (–3, 9) since –3 + 9 = 6]? A. E, X B. Z, J C. X, L D. D, L
Rushwr
  • Rushwr
What are you answers ?
rockycatsrule
  • rockycatsrule
c,or b, maybe a??????????/
Rushwr
  • Rushwr
LOL okai, the answer is a
rockycatsrule
  • rockycatsrule
k lol
rockycatsrule
  • rockycatsrule
Which point is the graph of the ordered pair (–4, 2)? A. point C B. point A C. point D D. point B answers r b, d, or c
TheSmartOne
  • TheSmartOne
it would be better if you made a new post for your question :)
rockycatsrule
  • rockycatsrule
ok
Rushwr
  • Rushwr
C - the x co-ordinate = -4 the y co-ordinate = +5 That sums up to +1 (5-4 = 1) D - the x co- ordinate = -9 The y co-ordinate = -9 that sums up to 0
Rushwr
  • Rushwr
E - the x co-ordinate = +5 the y co-ordinate = 0 that sums up to +5 which is greater than 4 so that's in
Rushwr
  • Rushwr
j- the x co-ordinate = -9 the y co=ordinate = 0 Sums up to -9
Rushwr
  • Rushwr
L - the x- co-ordinate = +9 the y co=ordinate = -9 sums upto 0
Rushwr
  • Rushwr
p - the x co-ordinate = 0 the y co-ordinate = -9 sums up to -9
Rushwr
  • Rushwr
x - the x co-ordinate = 0 the y co-ordinate = +5 that sums up to +5 which is greater than 4 so an answer
Rushwr
  • Rushwr
Z - the x co-ordinate = 10 the y co-ordinate = 10 sums up to 20 so that can be included in to the answer too.
Rushwr
  • Rushwr
But in the given answers Z is paired up with j which is not greater than 4 so there one answers is wrong therefore we can't take that answer as the correct one :)
Rushwr
  • Rushwr
Oops I didn't see the new question cumn. Sorry this is the explanation for the 2nd question u posted here
rockycatsrule
  • rockycatsrule
its ok
Rushwr
  • Rushwr
can u open up a new question for that. I'll check that :)
rockycatsrule
  • rockycatsrule
yeah

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