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3 years ago

What are complementry angles

Mathematics

2 answers:

White raven [17]3 years ago

5 0

Hello there! :)

Complementary angles are angles that add up to 90 degrees.

Example:

34 and 56 are complementary angles.

Hope this helps!

~Just a gloomy teen

#CarryOnLearning

$SilentNature \\:($

Mila [183]3 years ago

4 0

Answer:

either of two angles whose sum is 90°

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Given A(3, 4), B(4, 3) and C(2, 1), what are the coordinates of C', the image of C under a rotation of 90 degrees about the orig

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<u>Given</u>:

The coordinates of the points A, B and C are (3,4), (4,3) and (2,1)

The points are rotated 90° about the origin.

We need to determine the coordinates of the point C'.

<u>Coordinates of the point C':</u>

The general rule to rotate the point 90° about the origin is given by

$(x, y) \Rightarrow(-y, x)$

Substituting the coordinates of the point C in the above formula, we get;

$(2, 1) \Rightarrow(-1, 2)$

Therefore, the coordinates of the point C' is (-1,2)

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4 years ago

7) Is -2 a zero (or root) of f(x) = 7x3 + x2 - 9x + 5?

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Answer:

Step-by-step explanation:

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3 years ago

What is the estimate of 11,942

ki77a [65]

Answer:

10000 (1sf)

12000(2sf)

11900(3sf)

11940(4sf)

Step-by-step explanation:

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3 years ago

How to convert 3.248 repeating decimal with 48 repeating into a simplified fraction

Sonja [21]

Answer:

$x=\frac{536}{165}$

Step-by-step explanation:

Let X be the value of 3.2484848.... infinite times

Multiply by 100

$x=3.24848....\\100x = 324.8484.....$

Subtract to get

$100x-x = 324.8484...-3.248484....\\99x = 321.60\\x=\frac{321.6}{99} \\x=\frac{1072}{330} \\x=\frac{536}{165}$

Thus the number 3.248 repeating decimal with 48 repeating in fraction form is

$\frac{536}{165}$

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3 years ago

Read 2 more answers

The temperature outside was 60 degrees when Sarah woke up. By noon, it had increased to 75 degrees. Find the percent increase in

DochEvi [55]

Temp1 = 60
Temp2 = 75
Temp2 - Temp1 = 15

Difference = (Temp2 - Temp1) / Temp1
Difference = 15 / 60 = 1 / 4 = 0.25
Percentage difference = difference * 100% = 0.25 * 100% = 25%

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3 years ago