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adoni [48]
3 years ago
12

12.8 + 6 (n-0.5) n= 3.7

Mathematics
2 answers:
timama [110]3 years ago
6 0
30n+49/5
hdhsjsvdhiavsgiebsgud
mixas84 [53]3 years ago
3 0

Answer:

30n+49/5

Step-by-step explanation:

You might be interested in
On a shelf at a gaming store, there are six Sony Playstations and five Nintendo Wii consoles left. If one gaming system is selec
Sholpan [36]

Answer:

The probability that the system is a Wii console is 0.46

Step-by-step explanation:

Probability expresses the possibility of an occurrence of an event. The probable outcomes for the event is called sample space.

For the given question,

Number of Sony Playstations = 6

Number of Nintendo Wii consoles = 5

Total number of games on the shelve = 11

Probability that the game selected is Wii console implies the possibility of picking one out of the 5 consoles.

pr(the system is a Wii console) = \frac{5}{11}

                                                   = 0.4555

                                                   ≅ 0.46

The probability that the system is a Wii console is 0.46.

5 0
3 years ago
11, -15 = 5130 - 107 - 50 12.
TiliK225 [7]
There is not enough given in order to solve. What are you asking?
6 0
3 years ago
What is the axis of symmetry for f(x)=2x^2-8x+8
sukhopar [10]
The axis of symmetry is -b/2a so -(-8)/2(2) = 8/4 which is 2. The axis of symmetry is 2.
7 0
4 years ago
Read 2 more answers
1. C = 2(pi)r and C = d(pi) are the formulas for finding the _____________ of a circle.
TiliK225 [7]

Answer:

Circumference

Step-by-step explanation:

The circumference is the distance around the circle. It relates the number of times the diameter will encircle the circumference as 3.14 or π. As a result, the formulas for the circumference of a circle are C = 2πr and C = πd.

7 0
3 years ago
You need to construct an open-top rectangular box with a square base that must hold a volume of exactly 475 cm3. The material fo
zepelin [54]

Answer:

The dimensions of the box are:

x =  8,93 cm       and     h  =   5,95 cm

C(min) =  850,69 cents

Step-by-step explanation:

The volume of the box is:

V = x²*h          where    x is the side of the square base  and h the height

then    h  =  V/ x²  ⇒    h = 475 / x²

The total cost of box C is:

C  = C₁  +  4*C₂      Where C₁  and C₂  are the costs of the base and one lateral side respectevily

Then cost C =  8*x²   + 4* 6*h*x

The cost C as a function of x is

C(x)  =  8*x²  + (24* 475 /x² )*x

C(x)  =  8*x²  +  11400/x

Tacking derivatives on both sides of the equation

C´(x)  =  16*x -  11400/x²

C´(x)  =  0     ⇒    16*x  -  11400/x²  = 0

16*x³  =  11400     ⇒   x³  =  11400/16

x³ =  712,5

x  =  8,93  cm

and    h   =  475 / (8,93)²      ⇒      h  =  5,95  cm

C(min)  =  8*79,77  +  4* ( 8,93)*5,95

C(min)  =  638,16  +  212,53

C(min)  =  850,69 cents

To check if value x = 8,93 would make C(x) minimum we go to the second derivatives

C´´(x) =  16  +  22800/x³ > 0

Then we have a minimum of C at  x = 8,93

4 0
4 years ago
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