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Komok [63]
2 years ago
13

I need help my teacher talks to fast and i don't get anything he says

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
6 0

Answer:

2$+(1.29$ x 30)=40.70$

Step-by-step explanation:

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Find the coordinate of the points of intersection of the graphs without building them: 20x - 15y = 100 and 3x - 5 =6y
Mekhanik [1.2K]

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(-4.666667, -3.16667)

Step-by-step explanation:

(-4 2/3, -3 1/6)

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If the length of the legs of a right triangle are 5 m and 7 m, what is the length of the hypotenuse?
irakobra [83]

Answer:

c = 8.60232526704263

c \approx8.6

Step-by-step explanation:

{c}^{2}  =  {a}^{2}  +  {b}^{2}

c =  \sqrt{ {a}^{2}  +  {b}^{2} }

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c = 8.60232526704263

c \approx8.6

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2 years ago
Which of the following statements are true about the graph of f(x) = 6(x + 1)2 -9?
Fudgin [204]

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Step-by-step explanation:

the vortex is divided by 100guovt0i 34  gu h40

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3 years ago
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Put these questions in order from least to greatest 3/8 19/24 2/3
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First 3/8, second 2/3, and third 19/24
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3 years ago
Find the average velocity of the function over the given interval.
snow_lady [41]

Answer:

Average velocity of the function over the given interval

              =  log(\frac{7}{4} ) -2

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given function y = 3/x -2 ...(i)

The average velocity of the function over the given interval

             Average velocity  = \frac{1}{b-a} \int\limits^b_a {(\frac{3}{x} -2)} \, dx

                               =    \frac{1}{7-4} \int\limits^7_4 {(\frac{3}{x} -2)} \, dx

now integrating

                           =   \frac{1}{3}( \int\limits^7_4 {(\frac{3}{x} )} \, dx-2\int\limits^7_4 {1} \, dx )

                           = \frac{1}{3} (3 (log x) - 2 x )_{4} ^{7}

                        =   \frac{1}{3}( (3 (log 7) - 14 )-(3 log 4 -8))

by using formulas

                 log a-log b = log(a/b)

  on simplification , we get                  

                 = \frac{1}{3}( (3 (log 7) -3 log 4 ) - \frac{1}{3} (6)

                = log(\frac{7}{4} ) -2

Average velocity of the function over the given interval

              =  log(\frac{7}{4} ) -2

 

 

6 0
3 years ago
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