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Alekssandra [29.7K]
2 years ago
5

Find k. Write your answer in simplest radical form.

Mathematics
1 answer:
telo118 [61]2 years ago
4 0

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

Let's solve ~

The given triangle is a right angled Triangle, so we can apply Trigonometric relations to find the required result ;

That is :

\qquad \sf  \dashrightarrow \:  \sin(45 \degree)  =  \dfrac{2}{k}

\qquad \sf  \dashrightarrow \:  \dfrac{1}{ \sqrt{2} }  =  \dfrac{2}{k}

\qquad \sf  \dashrightarrow \: k = 2 \sqrt{2}

So, the value of k is 2\sqrt{}{2} miles

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Write an equation of the line that passes through the pair of points (5, 8) and<br> (9, 16).
SashulF [63]

Answer:

D: y = 2x - 2

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2 years ago
Read 2 more answers
Marty is taking piano lessons. She is going to practice every afternoon. The 1st week she practiced for 11 minutes each day. The
defon

Answer:

m=7w+4

Step-by-step explanation:

<u>Linear Modeling</u>

It consist is setting up a linear relationship between two variables, given some experimental data. Only 2 points are needed to set up the equation of a line, but if more than 2 points are used, then the result should use statistical approaches like linear regression to find the best-fit line.

For the question at hand, Marty practices his piano lessons 11 minutes the week #1. It provides the first point (1,11). He practices 25 minutes per day on the third week. It gives us another point (3,25). This is enough to find the equation of a line. The general formula for a line, having two points (m1,w1) (m2,w2) is

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Let's plug in our values

\displaystyle m-11=\frac{25-11}{3-1}(w-1)

Simplifying:

m-11=7w-7

\boxed{m=7w+4}

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3 years ago
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frutty [35]
Your answer will be -43
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3 years ago
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