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3 years ago

Hr Mins3 40-1 45------------------------

Mathematics

1 answer:

Citrus2011 [14]3 years ago

8 0

Answer:

1:55

Step-by-step explanation:

3:40 - 1:45= 1:55

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3 years ago

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3 years ago

Read 2 more answers

What is the measure of angle F in degrees when H is 127degrees and G is 33.5 degrees?

irina1246 [14]

Answer:

19.5

Step-by-step explanation:

Here is a key factors in triangles, it must add up to 180 degrees.

You have three angles in a triangle ABC,

A = 127

B = 33.5

C = ?

In this case you would add the two together (160.5) and subtract from 180 giving you the angle C = 19.5

CHECK:

Add 127+33.5+19.5 = 180! Yes!

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3 years ago

Find all points (if any) of horizontal and vertical tangency to the curve. Use a graphing utility to confirm your results. (If a

kipiarov [429]

Answer:

Horizontal tangent

(x, y) = (1, 0)

Vertical tangent

(x, y) = DNE

Step-by-step explanation:

The equation for the slope (m) of the tangent line at any point of a parametric curve is:

$m = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

Where $\frac{dx}{dt}$ and $\frac{dy}{dt}$ are the first derivatives of the horizontal and vertical components of the parametric curves. Now, the first derivatives are now obtained:

$\frac{dx}{dt} = -1$ and $\frac{dy}{dt} = 2\cdot t$

The equation of the slope is:

$m = -2\cdot t$

As resulting expression is a linear function, there are no discontinuities and for that reason there are no vertical tangents. However, there is one horizontal tangent, which is:

$-2\cdot t = 0$