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svet-max [94.6K]
3 years ago
5

14. The summer sports training camp has a

Mathematics
1 answer:
denpristay [2]3 years ago
5 0

Answer:

x is less than or equal to 165

Step-by-step explanation:

If you think about it 250-85 is 165 so technically you could have less than or equal to 165 students participating still!

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Two cars start moving from the same point. One travels south at 16 mi/h and the other travels west at 12 mi/h. At what rate is t
alexandr402 [8]

Answer:

20 miles per hour

Step-by-step explanation:

The distances traveled by each car are perpendicular, so we can find the distance between the cars using the Pythagoras' theorem between their distances traveled:

d^2 = d_1^2 + d_2^2

Where d is the distance between the cars, d1 is the distance traveled by the first car and d2 is the distance traveled by the second car.

The distance traveled is calculated by the speed times the time traveled, so we have:

d^2 = (16t)^2 + (12t)^2

d^2 = 256t^2 + 144t^2

d^2 = 400t^2

d = 20t

The rate that the distance is increasing can be found with the derivative of the distance in relation to the time:

dd/dt = 20\ mph

So the rate that the distance increases is always 20 miles per hour, and it's independent of the time.

4 0
3 years ago
X= e^t -9 , y= e^2t <br> Find the cartesian equation
valentina_108 [34]
\bf \begin{cases}&#10;x=e^t-9\\\\&#10;y=e^{2t}&#10;\end{cases}\\\\&#10;-----------------------------\\\\&#10;x=e^t-9\implies x+9=e^t\implies ln(x+9)=ln(e^t)&#10;\\\\\\&#10;ln(x+9)=\underline{t}\\\\&#10;-----------------------------\\\\&#10;y=e^{2t}\iff y=e^{2\underline{ln(x+9)}}
4 0
3 years ago
17. Use the formula d = rt to write an equation for the distance traveled by a boat upstream
insens350 [35]

Answer

R (R • T)

Step-by-step explanation:

Da best answer on earth

8 0
3 years ago
I just need help with number 2, thank you
alekssr [168]

It represents the thing the avadocate needs to be muiltiplied by

4 0
3 years ago
Please help?!
Ugo [173]

draw a rectangle around it:

the widest part is from about -3 to 2 which is 5 units wide

height is from 3 to -4, which is 7 units

5*7 = 35

the top and bottom are angled so you can subtract a little for that

 so I would estimate around 32 square units

7 0
3 years ago
Read 2 more answers
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