V +
= 8
First, simplify
to 3. / Your problem should look like: v + 3 = 8.
Second, subtract 3 from both sides. / Your problem should look like: v = 8 - 3.
Third, simplify 8 - 3 to 5. / Your problem should look like: v = 5, which is your answer.
Answer:
12
Step-by-step explanation:
Answer:
a: $3.75
b: $13.50
c: $7.50
d: $6.00
Step-by-step explanation:
hope this helps!
The line has a positive slope of [2.5 - 1.5]/[5-3] =1/2. The the angle of lean is 26.6°.
<span> we know the length of the cable is 9m.
That means the magnitude of </span><span><span>r<span><span><span>AB</span></span><span></span></span></span>=9</span><span>m.
The unit vector, denoted u, is each of </span><span>r<span><span><span>AB</span></span><span></span></span></span><span> divided by the magnitude.
</span>u=<span>(<span><span>x/9</span><span></span></span>i−<span>y/9<span></span></span>j−<span>z/9<span></span></span>k<span>)
</span></span><span>We can also figure out the unit vector of F.
</span>u=(350i - 250j - 450k)/√(350² +(-250)² +(-450)²)
u=0.562i−0.401j−0.723<span>k
</span>
<span>Force F is directed from point A to B, then both unit vectors must be equal.
Therefore
</span>(x/9i−y/9j−z/9k)=0.562i−0.401j−0.723k
<span>We can now solve for each term
x/9=0.562----- > x=5.058 m
-y/9=-0.401--------- > y=3.609 m
-z/9=-0.723------- > z=6.507 m
The answer is
the coordinates of point a
(5.058,3.609,6.507)
</span>
