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Vedmedyk [2.9K]
3 years ago
13

Please help me with this question guys, I’m going to fail:(

Mathematics
1 answer:
Sauron [17]3 years ago
6 0

Answer:

A)

Step-by-step explanation:

uv = u1v1 + u2v2 = (1/3)*18 + 4*(-3/2) = 6 - 6 = 0

Because uv=0, these 2 vectors  are orthogonal.

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Given a soda can with a volume of 36 and a diameter of 4, what is the volume of a cone that fits perfectly inside the soda can?
spin [16.1K]
First we need to find the heigh of the soda can be rearanging the volume formula, . We can make that  We know that V is 36 and radius is half of the diameter, so radius is 2. 

h = 2.87

Now, we can use the height to figure out the volume of a cone. The volume of a cone is 
R is 2 again and h is 2.87


12.56*.96 = 12.0576
So a cone with a volume of 12.0576 is the largest that will fit into the soda can
6 0
3 years ago
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Given the following linear function sketch the graph of the function and find the domain and range.
vfiekz [6]
 domain of the problem is -5 and the range is 4
6 0
3 years ago
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Clint’s salary increased from $20,000 to $32,000 over a three year period. Helen’s salary increased from 27,000 to $43,200 over
MakcuM [25]
Helens increases more over time
Clints salary increases 4000$ a year
Helens salary increases 5400$ a year
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In 10 years if this rate continues clint would be makin 60,000$ for that year and helen would be makin 81,000$ for that year
7 0
2 years ago
HELP PLZ!!! LOTS OF POINTS
Darya [45]

I'm going to assume that the ' 7.51 ' is the angle expressed in radians.
So this is just like any other unit conversion exercise.

You know that                  180 degrees = pi radians.

Divide each side by pi radians, and you have

                      180 degrees / pi radians = 1 .

Great !  Now take the angle you have ... 7.51 radians ...
and multiply it by ' 1 '.

      (7.51 radians) x (180 degrees / pi radians) =

<em>                              </em> (7.51 x 180 / pi) degrees =<em>  430.29 degrees</em>


As you ( I ) worked through this problem, a very useful number
fell out . . .  It's  180/pi  =  57.296 ,  or just  <em>57.3</em>  is close enough.

Here's how you can use that number:

-- 1 radian  =  <u>57.3</u>  degrees

-- 1 degree  =  1/57.3  of a radian

-- Got some radians ?  Multiply by  <u>57.3</u>  to get degrees.

-- Got some degrees ?  Divide by  <u>57.3</u>  to get radians.


7 0
3 years ago
Please help find the surface area. i will give brainliest
Serjik [45]
I really don’t know I hope you find the answer good luck in enjoy your day
5 0
3 years ago
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