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Semmy [17]
3 years ago
8

I need help on number 2 and 3 please explain how to do this thanks!

Mathematics
1 answer:
Paha777 [63]3 years ago
4 0
#2. Is 15
#3 Is $12 since her pay doesn’t change.
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Dorothy Wagner is currently selling 80 "I ♥ Calculus" T-shirts per day, but sales are dropping at a rate of 2 per day. She is cu
GrogVix [38]

Answer:

Increasing by $66 per day

Step-by-step explanation:

If sales are dropping at a rate of  2 per day, the sales function is:

S = -2t +80

If price is increasing by $1 per day, the daily price function is:

P=1t+7

Revenue is given by daily sales multiplied by daily price:

R = S(t)*P(t) = (-2t+80)*(t+7)\\R(t) = -2t^2+66t+560

The derivate of the revenue function gives us the daily rate of change in revenue:

R(t) = -2t^2+66t+560\\R'(t) = -4t+66

Currently (t=0) her daily revenue is changing by:

R'(0) = -4*0+66\\R'(0) = \$66

Her revenue is increasing by $66 per day.

3 0
3 years ago
HELP ME
Luden [163]

Answer:

20 happy to helPNMNJHUJN

Step-by-step explanation:

3 0
3 years ago
If Michael and Imani add an 18% tip to 27.32, what does their lunch cost in total?
Otrada [13]
.18 * 27.32 = 4.9176
18% of 27.32 = 4.91

4.91 + 27.32 = 32.23

If Michael and Imani add an 18% tip to 27.32, their lunch cost will be $32.23 in total. 


Hope this helps you! (:
-Hamilton1757
3 0
3 years ago
The area of a trapezoid is 80 ft?. Its bases have lengths 26 ft and 14 ft. Find its height.
kicyunya [14]

Answer it's 40 all you had to do was add 26 and 14 you get 40 then subtract from 80 then you find your height

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Jen picked three fourth in half an hour if she keeps the same rate how many will she pick in 2 hours
Sunny_sXe [5.5K]

Alright, lets get started.

Jen picked three fourth in half an hour.

Half an hour means 30 minutes.

At the same rate, how many she can pick in 2 hours.

2 hours means 2 * 60 = 120 minutes

Now,

In 30minutes, Jen can pick = \frac{3}{4}

In 1 minute, Jen can pick = \frac{3}{4} *\frac{1}{30}

In 120 minutes, Jen can pick = \frac{3}{4} *\frac{1}{30} * 120 = 3

Hence Jen can pick complete 3 in 2 hours of time.

So the answer is 3 :   Answer

Hope it will help :)


5 0
4 years ago
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