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igor_vitrenko [27]
3 years ago
6

How long does it takes the earth to complete one full revolution?A. 90B. 180C. 365​

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0
C.365 because one revolution takes 365.25 days or one year
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The Columbia Tower in Seattle is 954 feet tall. The Seafirst Tower is T feet tall and d feet away from the Colombia Tower. Find
Blababa [14]
You have to include a drawing that relates the distace between de towers and some angles.

I will use one that gives the angle from the base of Seafirst Tower to the top of Columbia tower as 53 degress.

This lets you calculate the distance between the towers, d, as

tan(53) = 954 / d => d = 954 / tan(53) = 718.89ft

The same drawing gives the angle from the the base of the Columbtia tower to the top of the Seafirst Tower as 27 degrees.

Tnen, tan(27) = height / d => height = d*tan(27) = 718.89*tan(27) = 366.29 ft

Answer: 366.29 ft


6 0
3 years ago
1) Jo Anne needs to do a speech in her English class that can't be more than 4 minutes
djyliett [7]

Answer:

( 0 < y < 23 / 6 ) mins

Step-by-step explanation:

Solution:-

We will define a variable ( x ) as the time it took for Jo Anne to give her speech at home.

The time taken to give her speech must always be less than 4 minutes. We can express this mathematically using an inequality as follows:

                              ( 0 < x < 4 ) minutes

Jo Anne gave her speech which was 10 seconds less than the one she practised at home. We will convert the time in seconds to minutes as follows:

                             10 s * \frac{min}{60 s}  = \frac{1}{6} min

The time taken by Jo Anne to complete her speech in English class can be represented as:

                             y = x - 1/6

Using the range of time that Jo Anne could take in delivering her speech in the class would be:

                                    0 < x < 4

                            0 - 1/6 < y < 4 - 1/6

                            -1/6 < y < 23 / 6

Since time can not be less than zero. We correct the lower limit to " 0 " as follows:

                              ( 0 < y < 23 / 6 ) mins

   

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B9%7Dx%20-%20%5Cfrac%7B1%7D%7B3%7D%20%3D%20-1" id="TexFormula1" title="\frac{2
egoroff_w [7]

\large \mathfrak{Solution : }

let's solve for x :

  • \dfrac{2}{9} x -  \dfrac{1}{3}  =  - 1

  • \dfrac{2}{9}  x =  - 1 +  \dfrac{1}{3}

  • \dfrac{2}{9} x =  \dfrac{ - 3 + 1}{3}

  • x =  \dfrac{ - 2}{3}  \times  \dfrac{9}{2}

  • x =  - 3

I hope it helped...

7 0
2 years ago
Read 2 more answers
Eva has some money in her wallet. She spent $18.62 buying groceries and had $43.55 left. How much money did she have in her wall
jek_recluse [69]

Answer:

Step-by-step explanation:

62.17

6 0
2 years ago
Math assignment cant get it
kupik [55]

Answer:

y = -1/2x + (-1)

Step-by-step explanation:

8 0
2 years ago
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