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katrin2010 [14]
4 years ago
12

Evaluate this expression for a= 3 and b= 4. A.6 B.9 C.11 D.18

Mathematics
2 answers:
sergejj [24]4 years ago
8 0

Answer:

The answer is C.11

Step-by-step explanation:

Substitute A for 3 and B for 4

so (a+4)-b/b-2+3(b+2)/a will turn into

(3+4)-4/4-2+3(4+2)/3 which then will get you the answer C.11 when you simplify

Vedmedyk [2.9K]4 years ago
4 0
The expression isn’t there I can’t answer it.
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How do i factor 12b^2+14b-10 using one of the six techniques for factoring polynomials?
Firlakuza [10]

Simplifying

b2 + 12b + 35 = 0

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Solving for variable 'b'.

Factor a trinomial.

(7 + b)(5 + b) = 0

Subproblem 1

Set the factor '(7 + b)' equal to zero and attempt to solve:

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b = 0 + -7

Combine like terms: 0 + -7 = -7

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4 0
4 years ago
98 POINTS EASY
irina [24]

Answer:

11x+4+5=180         ok first we have to put all the naked numbers on one side and the x's number on one side, and by doing that a easier way to do that is you switch the spots but their symbols - and + change so if its  negative - its going to turn into a + positive and + to a -

11x = 180 - 5 - 4

11x = 171           and since theres mutliplication 11 times x which is 11x, were going to divide

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x=11 is incorrect

~batmans wife dun dun dun....

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