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Vlad1618 [11]
3 years ago
6

Giselle bought a dress for $35 and three t-shirts. She used a coupon for $2.50 off each t-shirt. The total cost can be modeled b

y the expression 35 + 3(n - 2.5) . What does n - 2.5 represent?
Mathematics
1 answer:
aniked [119]3 years ago
3 0
It’s represents the coupon for each shirt being taken on the price of each shirt
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Change 1 hour 25 minutes 29 seconds to seconds
Orlov [11]

Answer:

remember

1h=60min

1min=60 sec

now come to the question

1h=60min

1min=60 sec

60min=60×60=3600sec in 1hour

25min=60×25=1500sec in 25 min

total all sec=3600+1500+29=5129sec

Step-by-step explanation:

8 0
2 years ago
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At 6:00 A.M. the temperature was 33°F. By noon the temperature had increased by 10°F and by 3:00 P.M. it had increased another 1
daser333 [38]
The temperature must rise 5 degrees to reach the original temperature
6 0
3 years ago
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Hi, am I supposed to find the stationary points of the f(x) and g(x) then use the distance formula to solve for the final answer
nikdorinn [45]

9514 1404 393

Answer:

  maximum difference is 38 at x = -3

Step-by-step explanation:

This is nicely solved by a graphing calculator, which can plot the difference between the functions. The attached shows the maximum difference on the given interval is 38 at x = -3.

__

Ordinarily, the distance between curves is measured vertically. Here that means you're interested in finding the stationary points of the difference between the functions, along with that difference at the ends of the interval. The maximum difference magnitude is what you're interested in.

  h(x) = g(x) -f(x) = (2x³ +5x² -15x) -(x³ +3x² -2) = x³ +2x² -15x +2

Then the derivative is ...

  h'(x) = 3x² +4x -15 = (x +3)(3x -5)

This has zeros (stationary points) at x = -3 and x = 5/3. The values of h(x) of concern are those at x=-5, -3, 5/3, 3. These are shown in the attached table.

The maximum difference between f(x) and g(x) is 38 at x = -3.

4 0
3 years ago
If an object is projected upward with an initial velocity of 126 ft per​ sec, its height h after t seconds is h= -16^2+126t. Fin
Phoenix [80]
All you would have to do is plug in 5 for t since that is the time; then you would see that the height of the object after 5 seconds is 886 ft. Hope this helped!
3 0
3 years ago
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Evaluate -1/5 ab
cupoosta [38]

Answer:

-3/56

Step-by-step explanation:

-1/5 ab

Let a = 3/7  b = 5/8

-1/5 * 3/7 * 5/8

Rewriting

-1/7 * 3/8 * 5/5

Canceling like terms and multiplying

-3/56

3 0
3 years ago
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