Answer:
40 degrees
Step-by-step explanation:
x and 40 (degrees) are "vertical angles" and are thus equal. So x = 40 degrees.
Draw a line through R parallel to the segment PQ
First choice.
Answer:
it should be B.
Step-by-step explanation:
Answer:
The speed will be "144 mph".
Step-by-step explanation:
Let the speed of the plane be "x mph".
then,
The car's speed be "x-130 mph".
According to the question,
⇒
By applying cross-multiplication, we get
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⇒
⇒
⇒
⇒
⇒
Answer:
523.6
Step-by-step explanation:
V=πr^2(h/3)=π*10^2*(5/3)=523.59878