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11111nata11111 [884]
3 years ago
13

Help on math question pls

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0
The answer is C 130h + 100 = t
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A particle moves on the circle x2 y2=25 in the xy-plane for time t≥0. At the time when the particle is at the point (3,4), dxdt=
stiks02 [169]

The movement of the particle on the circle is its displacement.

The value of dy/dt at this time is -9/2.

<h3>What is the differentiation?</h3>

Differentiation is a process, in Maths, where we find the instantaneous rate of change in function based on one of its variables.

A particle moves on the circle x^2 + y^2=25 in the XY-plane for time t≥0. At the time when the particle is at the point (3,4), dxdt=6.

The equation of the circle is given as:

\rm x^2 + y^2=25

Differentiate with respect to time

\rm 2x \times \dfrac{dx}{dt}+2y \times \dfrac{dy}{dt}=0

Substitute all the values in the equation

\rm 2x \times \dfrac{dx}{dt}+2y \times \dfrac{dy}{dt}=0\\\\2(3) \times 6+2(4)\times \dfrac{dy}{dt}=0\\\\ 6 \times 6+8 \times \dfrac{dy}{dt}=0\\\\  36+8\times \dfrac{dy}{dt}=0\\\\ 8\times \dfrac{dy}{dt}=-36\\\\ \dfrac{dy}{dt}= \dfrac{-36}{8}\\\\ \dfrac{dy}{dt}= \dfrac{-9}{2}

Hence, the value of dy/dt at this time is -9/2.

Learn more about differentiation here;

brainly.com/question/19385433

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6 0
2 years ago
Help me zearn please
Alenkinab [10]

Answer:

Radio= 7cm

Circumference = 43.96cm

4 0
3 years ago
What is the slope?
cestrela7 [59]

Answer:

5/6

Step-by-step explanation:

rise over run

50/60= 5/6

7 0
4 years ago
NEED THE ANSWER ASAP THANKS!!!
harina [27]

Answer:

21 3/4

Step-by-step explanation:

find the lowest and highest numbers

10 1/4 and 32

take 10 1/4 and subtract it from 32

21 3/4

8 0
3 years ago
Read 2 more answers
Each camper at cooking camp ate 1 /2 slices of toast each morning for a week. How many slices of toast did each camper eat throu
ser-zykov [4K]

Answer:

1/2 x 7/1 = 3 1/2 pieces of toast

Step-by-step explanation:

4 0
3 years ago
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