By definition, skew lines are a pair of lines that are not parallel but do not intersect each other either. Hence, the conclusion would be, the lines are non-coplanar. An example would two random lines drawn in the x and y axes in a cartesian plane, respectively.

7 0

3 years ago

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What’s the answer to this?

inna [77]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO is the hypotenuse, ∠OAD = 30°⇒

OD=5*2=10m

By the Pythagorean theorem

$10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}$

$AC=AD+DC=2\sqrt{75}=10\sqrt{3}$

$S=\frac{a^2\sqrt{3} }{4}$

$S=\frac{(10\sqrt{3})^2\sqrt{3} }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} m^2$

Answer: A) $S=75\sqrt{3}$ m²

P.S. Hello from Russia and sorry for my bad english :^)

3 0

3 years ago

The value of Sara's new car decreases at a rate of 8% each year. Write an exponential function to model the decrease in the car'

creativ13 [48]

8% less
100-8=92

P=present amount
F=future amount=f(t)
t=time in years
rate of decay is 8% or times 92%

$F=P(0.92)^t$ is the equation or
$f(t)=P(0.92)^t$ is the equation or

8 0

3 years ago