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7miles---------1hr
11.2miles------- x
cross multiply;
11.2 × 1 = 7 × x
x= 11.2÷7
x=1.6hr
Answer:
a
Step-by-step explanation:
A right triangle is a triangle that consist of an angle which one angle is 90degree and the remaining angle would be less than to 90 and the best answer to your question based on my calculation i think the answer is A.
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<span>f(x)=x^3-4x^2+2x+4, we know that f(2)=8-16+4+4=16-16=0
and we can write f(x)= (x-2)Q(x) so Q(x) = f(x) / (x-2)=x²-2x-2
</span><span>x²-2x-2=0 delta = (-1)²- (1).(-2) =1+2=3
</span>x=1-sqrt3 or <span>x=1+sqrt3
finally the zeros are x=2, </span>x=1-sqrt3 or <span>x=1+sqrt3 </span>