Answer:
63
Step-by-step explanation:
90+13x+1+28x+7=180
98+41x=180
41x=82
x=2
Plugging in the value of x, we get:
28x+7=28(2)+7=56+7=63
Answer:
The number D = b2 – 4ac determined from the coefficients of the equation ax2 + bx + c = 0. The discriminant reveals what type of roots the equation has. Note: b2 – 4ac comes from the quadratic formula.
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X=2t
y=1-t
t=x/2
y=1-x/2
y=(-1/2)x+1
Answer:
after reflection over y axis
a 9,7
b 9,6
c 0,6
d 0,7
