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kodGreya [7K]
2 years ago
11

Complete the parametric equations for the given rectangular equation

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
3 0

Answer:

a) y =t² -2t -3

b) x =3 sin t

Step-by-step explanation:

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The terminal side of an angle, Theta, whose sine value is One-half
Kazeer [188]

Theta has a reference angle of 30° and is in Quadrant I or II.

Sin(theta) = ½

Basic angle: 30

<h3>What is the reference angle?</h3>

The acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle sandwiched between the terminal side and the x-axis.

Angles: 30,

180-30 = 150

Because sin is positive in quadrants 1 and 2.

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brainly.com/question/1982296

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4 0
1 year ago
Given the function f(x)=4|x-5|+3 for what values of x is f(x)=15
Andreyy89

Answer:

  {2, 8}

Step-by-step explanation:

We want to find x for ...

  15 = 4|x -5| +3

  12 = 4|x -5| . . . . subtract 3

  3 = |x -5| . . . . . . divide by 4

  ±3 = x -5 . . . . . . show the meaning of absolute value

  5 ±3 = x = {2, 8} . . . . . add 5

The values of x for which f(x) = 15 are 2 and 8.

3 0
3 years ago
How do you write 72% as a fraction and as a decimal?
statuscvo [17]
72% as a decimal is 0.72.

72% as a fraction is 72/100 = 18/25.
8 0
3 years ago
Read 2 more answers
X/5+7=3<br> tellme fastplease
Aliun [14]

Answer:

-20

Step-by-step explanation:

x/5=3-7

x/5=-4

x=-4×5

x=-20

5 0
2 years ago
What is the principal square root of -4
devlian [24]

Answer:

The principal square root of -4 is 2i.

Step-by-step explanation:

\sqrt{-4} = 2i

We have the following steps to get the answer:

Applying radical rule \sqrt{-a} =\sqrt{-1} \sqrt{a}

We get \sqrt{-4} =\sqrt{-1} \sqrt{4}

As per imaginary rule we know that \sqrt{-1}=i

= \sqrt{4} i

Now \sqrt{4} =2

Hence, the answer is 2i.

6 0
3 years ago
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