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Serggg [28]
1 year ago
10

What is the value of StartFraction 6 Over x EndFraction + 2x2, when x = 3?

Mathematics
2 answers:
Vladimir79 [104]1 year ago
7 0

Answer:

D) 20

Step-by-step explanation:

Hope It Helps!!!

Vesna [10]1 year ago
5 0
D. 20
(6/X) + 2x^2 =
(6/3) + 2(3^2) =
2 + 2(9) =
2 + 18=
20
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NEED HELP! Thanks!
sladkih [1.3K]
I think the answer would be 7.5 hours or 4 hours,not so sure which one exactly

6 0
2 years ago
5 Consider this system of equations:<br> 5x + y = -2<br> 2x - 2y=4
Ilia_Sergeevich [38]

Answer:

x  = 0

  y  = -2

Step-by-step explanation:

The given system of equation are:

   5x + y = -2

   2x - 2y = 4  

The problem here is to find x and y from the expression

   5x + y = -2     ----- i

   2x - 2y = 4    ---- ii

 So;

i x 2 :  10x + 2y  = -4     ----  iii

ii x 5 :  10x - 10y  = 20    ----- iv

   iii - iv;   12y  = -24

                  y  = -2

    Now find x;

             5x + y  = -2

             5x  - 2  = -2

                  x  = 0

 

7 0
2 years ago
the probability of winning a game is 20%. if you play 20 times how many times should you expect to win
julia-pushkina [17]
The probability of winning a game out of 20 is 4 times. 
6 0
3 years ago
Read 2 more answers
-4d + 2(3 + d) = -14<br><br> Please help
soldi70 [24.7K]
-4d + 2(3+d)= -14
distribute the 2(3+d)
-4d + 6+ 2d= -14
Combine the like terms
-4d + 2d + 6= -14
-2d + 6 = -14
subtract 6 to -14 
-2d = -20
divide by -2
d= -20/-2
d= 10
Check your answer 
-4(10) + 2(3+ 10) = -14
-40 + 6 + 20
-40 + 26= -14
6 0
2 years ago
Read 2 more answers
Which function is the inverse of f Superscript negative 1 Baseline (x) = negative one-fifth x minus four-fifths?
DedPeter [7]

Answer:

f(x) = -5x - 4

Step-by-step explanation:

We want to get the inverse of the following function:

f^-1(x) = (-1/5)x - 4/5

To do that, we have to replace x with f(x) and f^-1(x) with x, as follows:

x = (-1/5)f(x) - 4/5

And then solve for f(x), the inverse of f^-1(x).

x + 4/5 = (-1/5)f(x)

f(x) = -5x + (-5)4/5

f(x) = -5x - 4

To check our result we compute a pair (x, f(x))

x   f(x)

1   -5*1 - 4 = -9

which has to be equivalent to (-9, 1) in the original function

x      f^-1(x)

-9     (-1/5)*(-9) - 4/5 = 1

5 0
3 years ago
Read 2 more answers
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