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3 years ago

What is the answer to : -4/22t-5/22t= Thanks in Advanced!

Mathematics

1 answer:

grigory [225]3 years ago

6 0

Answer:

- 4/22t - 5/22t =

- 4 - 5 = -9

- 9/22t is the answer

it is basically subtracting the numerators because the denominators are the same.

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You are given the parametric equations x=2cos(θ),y=sin(2θ). (a) List all of the points (x,y) where the tangent line is horizonta

vladimir1956 [14]

Answer:

The solutions listed from the smallest to the greatest are:

x: $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$ $\sqrt{2}$

y: -1 1 -1 1

Step-by-step explanation:

The slope of the tangent line at a point of the curve is:

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

$m = -\frac{\cos 2\theta}{\sin \theta}$

The tangent line is horizontal when $m = 0$ . Then:

$\cos 2\theta = 0$

$2\theta = \cos^{-1}0$

$\theta = \frac{1}{2}\cdot \cos^{-1} 0$

$\theta = \frac{1}{2}\cdot \left(\frac{\pi}{2}+i\cdot \pi \right)$ , for all $i \in \mathbb{N}_{O}$

$\theta = \frac{\pi}{4} + i\cdot \frac{\pi}{2}$ , for all $i \in \mathbb{N}_{O}$

The first four solutions are:

x: $\sqrt{2}$ $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$

y: 1 -1 1 -1

The solutions listed from the smallest to the greatest are:

x: $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$ $\sqrt{2}$

y: -1 1 -1 1

6 0

3 years ago

Someone can help with this please !!

cestrela7 [59]

Lil mosey is white sussy balls

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3 years ago

I need help plz real onez plz

melamori03 [73]

The mean is 10.
To find the mean you add up all the numbers and divide by how many sets of numbers there were.
8+10+11+8+13=50
50/5=10.

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2 years ago

Read 2 more answers

On Tuesday, Donovan earned $11 for 2 hours of babysitting. On Saturday, he babysat for the same family and earned $38.50. How ma

Lina20 [59]

$11=2 hrs

2hrs=$11
+2(4hrs)=$22
+2(6hrs)=$33 hrs

so 6 hrs or 7 hours and some
minutes left

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3 years ago

Is F=((x,y) | x+y=10 a function or a relation

asambeis [7]

that is a function man

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3 years ago