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AleksandrR [38]
2 years ago
10

Find a translation that has the same effect as the composition of translations below. (x,y) → (X + 2, Y + 2) followed by (x,y)=(

x-1,y+5)
Choose the correct answer below.
O A. (x,y)=(x+3.y + 7)
OB. (x,y)=(x + 1 y + 7)
OC. (x,y)=(x + 1,y-3)
OD. (x,y)=(X+3.y-3)

urgent will mark brainliest!!! ​
Mathematics
2 answers:
Yuri [45]2 years ago
8 0

Answer:1

Step-by-step explanation:

pochemuha2 years ago
3 0

B) (X + 1, Y + 7)

We start with X + 2, we then take away X - 1, we are left with X + 1.

We start with Y + 2, we then add Y + 5, we are left with Y + 7.

The only option that has both X + 1 and Y + 7 is B.

I hope this helps! :)

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5) Placido pulls a rope attached to a wagon through a pulley at a rate of q m/s. With dimension as in Figure 5:
Damm [24]

The formula for the speed of the wagon can be found by using Pythagoras theorem, and chain rule of differentiation.

(a) \ \mathrm{The \ speed \ of \ the \ wagon} , \ \dfrac{dx}{dt} = q -\dfrac{x}{\sqrt{x^2+ 5.76}}

(b) When <em>x </em>= 0.6 and q = 0.5 m/s, the speed of the wagon is approximately <u>0.243 m/s</u>.

Reasons:

(a) The distance from the cart to the pulley, <em>r</em> is given by Pythagoras's

theorem as follows;

r = √((3 - 0.6)² + x²) = √(2.4² + x²)

The speed of the wagon = \mathbf{\dfrac{dx}{dt}}

The speed of the rope, q = \mathbf{\dfrac{dr}{dt}}

By chain rule, we have;

\dfrac{dr}{dt} = \mathbf{\dfrac{dr}{dx} + \dfrac{dx}{dt}}

\dfrac{dr}{dx} = \dfrac{x}{\sqrt{x^2+ 5.76}}

Therefore;

\dfrac{dr}{dt} = q =\dfrac{x}{\sqrt{x^2+ 5.76}}+ \dfrac{dx}{dt}

\mathrm{The \ speed \ of \ the \ wagon} , \ \dfrac{dx}{dt} = \underline{ q -\dfrac{x}{\sqrt{x^2+ 5.76}}}

(b) The speed of the wagon when <em>x</em> = 0.6 if q = 0.5 m/s is given as follows;

\dfrac{dx}{dt} = 0.5 -\dfrac{0.6}{\sqrt{0.6^2+ 5.76}} =\sqrt{\dfrac{1}{17} } \approx 0.243

The speed of the wagon when <em>x </em>= 0.6 and q = 0.5 m/s, \dfrac{dx}{dt} ≈ <u>0.243 m/s</u>

Learn more here:

brainly.com/question/17081984

4 0
2 years ago
What is an equation of the line that passes through the point (-4,-6) and is
Kay [80]

Answer:

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Step-by-step explanation:

2c - y = 6

2c -6 = y

Slope: 2. Slope of the perpendicular line: -1/2

Point (-4,-6)

y-intercept = -6 - (-1/2)(-4)

b = -6 -2 = -8

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Alina [70]

Answer:

33

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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