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Goshia [24]
3 years ago
14

A sprinter can run 120 meters in 10 seconds. what is his average speed

Mathematics
2 answers:
Mariulka [41]3 years ago
7 0

Answer:

12 Meters Per Second

Step-by-step explanation:

Average Speed = Distance divided by time


Average Speed = 120 Meters / 10 Seconds


Average Speed = 12 Meters Per Second

MrMuchimi3 years ago
5 0

Answer:

if he runs 120 meters in 10 seconds then his average spend is 1.24111666667 every second

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A manufacturer produces televisions. He estimates that by selling them for x dollars each, he will be able to sell 230 – 3x each
poizon [28]

Answer:

Price per television =38.30

Step-by-step explanation:

Number of units sold in one week =230-3x

Price of one unit =x

Total money produced in one week =x(230 - 3x)

(Here it doesn't matter total money is taken for a week or day because after differentiating and equating to zero that factor disappear )

Differentiate total amount with respect to x.

\frac{dM}{dt}=230-6x

Now equate it equal to zero to get extremum.

230-6x=0

Then, x = 38.30

5 0
3 years ago
Solve for x 7(3-x) = 8(4-2x)
Damm [24]

Answer:

  x = 11/9

Step-by-step explanation:

Eliminate parentheses, add 16x, subtract 21.

  7(3 -x) = 8(4 -2x) . . . . given

  21 -7x = 32 -16x . . . . . eliminate parentheses using the distributive property

  9x +21 = 32 . . . . . . . . add 16x

  9x = 11 . . . . . . . . . . . . subtract 21

  x = 11/9 . . . . . . . . . . . .divide by the coefficient of x

7 0
3 years ago
Please answerrrr Graph g(x), where f(x) = 4x − 2 and g(x) = f(x + 1). a line labeled g of x that passes through points 0, negati
Mrrafil [7]

Answer:

a line labeled g of x that passes through points negative 1, negative 2 and 0, 2

Step-by-step explanation:

we have

f(x)=4x-2

g(x)=f(x+1)

To determine g(x), substitute the variable x by (x+1) in the function f(x)

so

f(x+1)=4(x+1)-2

f(x+1)=4x+4-2

f(x+1)=4x+2

g(x)=f(x+1)

g(x)=4x+2

therefore

a line labeled g of x that passes through points negative 1, negative 2 and 0, 2

4 0
3 years ago
Read 2 more answers
Which is factorial using integers?<br> a) y+25<br> b) y^2-25<br> c) y^2+25<br> d) y-10<br> e) y^2+10
Masteriza [31]

Answer:

i feel like its A or D i could be wrong but i believe its one of the two

6 0
2 years ago
Please help asap ;-;
Maksim231197 [3]

Answer:

1: 11

2: 1

3: -9

4: -49

4 0
3 years ago
Read 2 more answers
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