3 years ago

Describe how ∠PTQ and ∠QTS in the figure are related.

Mathematics

1 answer:

timurjin [86]3 years ago

8 0

Answer:

their unrelated

Step-by-step explanation:

might look similar but very different from each other

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Crank

The correct answer is u multiple it by 5 then u move it directions

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2 years ago

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Which graph represents the system of inequalities? y+2<5x y+3x>4 y≥2x

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Answer:

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2 years ago

Find the equation of a line that passes through the point (2,1) and has a gradient of 2. Leave your answer in the form ax + by =

Arte-miy333 [17]

Step-by-step explanation:

normally, if we have the gradient (or slope of inclination or change rate) and a point, we start using the point-slope form :

y - y1 = a(x - x1)

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2 years ago

The figure shows a pair of parallel line segments on a coordinate grid:

VashaNatasha [74]

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Two boats sail away from a buoy making a 90 degree angle. The first boat is 165 meters away and is traveling at 25 m/s. The seco

NikAS [45]

Answer:

Step-by-step explanation:

lets say in the shown triangle x=165

so speed $\frac{dx}{dt} =25$

and $\frac{dy}{dt} =35$

Also since distance = speed* time

time = pi minutes = pi/60 seconds

y = $\frac{35\pi \pi }{60}$

y = $\frac{7\pi }{12}$

Now using the pythagorean :

$x^2+y^2=z^2\\so \\165^2+(\frac{7\pi }{12} )^2 =z^2$

derivate the equation so we get :

$x\frac{dx}{dt} +y\frac{dy}{dt} =z\frac{dz}{dt} \\$ $165*25+35*\frac{7\pi }{12}=\sqrt{165^2+(\frac{7\pi }{12})^2} *\frac{dz}{dt}$

$\frac{dz}{dt} =25.387$ m/s

So Rate of change = 25.387 m/s

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3 years ago