Answer:
original price is 48 dollars which is 100% cost. we know that 12 is 1/4 of 48 so 1/4 of 100% gives 25%.
Step-by-step explanation:
<span>-2x+4y=12 <=> y = (-1/2)x + 3 => the slope of given line is -1/2;
the new line and the given line are perpendicular =>( the slope of new line )*(-1/2) = -1 =>
the slope of new line is 2;
the equation of the new line is y -0 =2( x -0) <=> y = 2x.</span>
Answer:
14) x = 0°
16 x = 2°
Step-by-step explanation:
14)
BJK = 146+2x
IJK = 172
IJB = 2x + 26
IJK = IJB + BJK
172 = 146 + 2x + 2x + 26
172 = 146 + 26 + 4x
172 = 172 + 4x
0 = 4x
x = 0°
16)
LMN = 135
LMV = -1 + 45x
VMN = 23x
LMN = LMV + VMN
135 = -1 + 45x + 23x
135 = -1 + 68x
136 = 68x
x = 2°
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Answer:
x = −4
Step-by-step explanation:
Add x to both sides of the equation. x + 4 + x = − 4 Add x and x . 2 x + 4 = −4
Subtract 4 from both sides of the equation. 2 x = −4 − 4 Subtract 4 from - 4. 2x = −8
Divide each term in 2x = −8 by 2. 2x/2 = −8/2
Cancel the common factor. 2x/ 2 = −8/2 Divide x by 1. x = −8/2
Divide −8 by 2. x = −4
