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love history [14]
4 years ago
15

What is the length, in units, of the hypotenuse of a right triangle if each of the two legs is three units?

Mathematics
1 answer:
aleksandrvk [35]4 years ago
8 0
It is equal to 18 and find the square root of that...........
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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
Y=-x-1what is the dlope??​
UkoKoshka [18]
-1 because the negative sign in front of the x means it’s a negative 1 x
5 0
3 years ago
(10 points) Please help out! I'm trying to pass this important test to graduate! :)
Sauron [17]

Answer:

0.625

Step-by-step explanation:

Experimental probability is (times an event occurred)/(times experiment was tried).

Total times the point up happened is 45

Total tries is 72

45/72=0.625

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4 years ago
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Answer:

C is the correct answer

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3 years ago
Which graph matches the equation y = -(x+2)2 ?
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The answer is c The negative to you in the equation indicated that the graph has been shifted down to units. The graph showing enjoy seeing as we shifted in this way

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