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ra1l [238]
3 years ago
10

(sec 12A - 1)/(sec 6A -1) = tan 12A / tan 3A

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0
Can I use dis... do u know how to use dis?

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Distance traveled by a runner. Use the table
irinina [24]

9514 1404 393

Answer:

  9.1 miles per hour

Step-by-step explanation:

The speed is found by dividing distance by time.

  speed = (4.55 mi)/(0.5 h) = 9.1 mi/h

The constant of proportionality is 9.1 miles per hour.

7 0
3 years ago
PLEASE HELP ASAP PLEASE
Burka [1]

Answer:

Step-by-step explanation:

The k is indicative of movement either up or down, while h is indicative of movement that is either right or left. The blue graph moves both to the right and down to get to the position of the red graph. On the blue graph, locate the point (0, 1). That point moves from a y-location of 1 to a y-location of -2, meaning that it moves down 3 units; therefore, the value of k is -3.

5 0
3 years ago
the figure shows the dimensions of a room in which receptions are held. The room is being carpeted. The three semi-circular part
mars1129 [50]

Answer:

258.39 m^2

Step-by-step explanation:

Solve for the rectangle:

18 • 12= 216

Now solve for the 3 semi circles:

A = 3.14(3)^2= 28.26/2 = 14.13 •3 = 42.39

Add up the areas:

216 + 42.39 = 258.39

8 0
3 years ago
Determine weather the statement is true or false. Justify your answer
topjm [15]
\begin{gathered} \cos (-\frac{7\pi}{2})=\cos (\pi+\frac{\pi}{2}) \\ \cos (-\frac{7\pi}{2})=\cos (\frac{3\pi}{2}) \end{gathered}

As we know:

\begin{gathered} \cos (x)=0 \\ for \\ x=\pi n-\frac{\pi}{2} \\ n\in Z \end{gathered}

For:

\begin{gathered} n=2 \\ x=2\pi-\frac{\pi}{2}=\frac{3\pi}{2} \\ for \\ n=-3 \\ x=-3\pi-\frac{\pi}{2}=-\frac{7\pi}{2} \end{gathered}

Therefore:

\begin{gathered} \cos (-\frac{7\pi}{2})=0 \\ and \\ \cos (\frac{3\pi}{2})=0 \\ so\colon \\ 0=0 \\ This_{\text{ }}is_{\text{ }}true \end{gathered}

Therefore, the statement is true

7 0
1 year ago
Round 9296 to the nearest hundred?
Fittoniya [83]
The answer is 9300

Hope this helped :)
8 0
3 years ago
Read 2 more answers
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