The elevation of a fish is -27 feet.

Mathematics

1 answer:

Nookie1986 [14]3 years ago

6 0

A. (-27)+(-32)-14= 59-14= 45 feet

B. My elevation is 18 feet.

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1. Provide reasons for the proof. Given:

marysya [2.9K]

Given that <span>Line m is parallel to line n.
We prove that 1 is supplementary to 3 as follows:

$\begin{tabular}
{|c|c|}
Statement&Reason\\[1ex]
Line m is parallel to line n&Given\\
\angle1\cong\angle2&Corresponding angles\\
m\angle1=m\angle2&Deifinition of Congruent angles\\
\angle2\ and\ \angle3\ form\ a\ linear\ pair&Adjacent angles on a straight line\\
\angle2\ is\ supplementary\ to\ \angle3&Deifinition of linear pair\\
m\angle2+m\angle3=180^o&Deifinition of supplementary \angle s\\
m\angle1+m\angle3=180^o&Substitution Property
\end{tabular}$
$\begin{tabular}
{|c|c|}
\angle1\ is\ supplementary\ to\ \angle3&Deifinition of supplementary \angle s
\end{tabular}$ </span>

3 0

3 years ago

Read 2 more answers

Learning goal: to understand the rules for computing dot products. let vectors a=(2,1,−4), b=(−3,0,1), and c=(−1,−1,2). part a -

miv72 [106K]

For this case we have the following vectors:
$a = (2,1, -4)

b = (- 3,0,1)

c = (- 1, -1,2)$
The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
$a.b = (2,1, -4). (- 3,0,1)

a.b = (2) (- 3) + (1) (0) + (-4) (1)

a.b = - 6 + 0 - 4

a.b = - 10$
Answer:
The product point of the vectors a and b is:
$a.b = - 10$