Answer:
72 mles
Step-by-step explanation:
For better understanding, I'll make use of an attachment.
From the attachment,
O represents the start point
--- Jack
-- Distance between them
Required
Find OA; Jack's distance
To do this, we make use of Pythagoras theorem

This gives:


Subtract 900 from both sides


Take square roots


<em>Hence, Jill drove 72 miles</em>
SSS is side side side so all the sides have to be congruent for the triangles to be congruent.
SSA is side side angle so two sides and an angle needs to be congruent for the triangles to be congruent.
SAS is side angle side so two sides and an included triangle need to be congruent for the triangles to be congruent.
Hope that helps:)
Answer:
77,786.251
Step-by-step explanation:
Answer:
-21 + 3y
Step-by-step explanation:
3(y - 7) = 3y - 21 OR -21 + 3y
Hope that helps!
Answer:
800 meters
Step-by-step explanation:
y is inversely proportional to x is the same as y is inversely proportional to
that means

If a wave with a frequency of x=720 kilohertz has a length of y=500 meters, then

Hence, the length of a wave y with a frequency of x=450 kilohertz is
