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zhuklara [117]
3 years ago
6

23 A circular fish pond has an area of 20m 2 Calculate the diameter of the fish pond.

Mathematics
1 answer:
Tju [1.3M]3 years ago
7 0

Answer:

40 · sqrt(pi)/pi I believe

Step-by-step explanation:


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Sarah is paid $20 an hour at her new job. She wishes to graph her total pay y, as a function of the number of hours, x. She want
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2 years ago
Suppose that angle COP and angle TOD are vertical angles, the measure of angle COP is 11x-17 and The measure of angle TOD is 9x+
crimeas [40]

The measure of <COD  and <POT are 43 and 43degrees respectively

The point where two lines meet or intersect is known as an angle:

Is <COP and angle TOD are vertical angles, this means that they are equal i.e.

  • <COP = <TOD

Given that:

<COP = 11x - 17

<TOD = 9x + 11

Equate both expressions

11x - 17 = 9x + 11

11x - 9x = 11 + 17

2x = 28

x = 28/2

x = 14

Get <COP

<COP = 11x - 17

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<COP = 154-17

<COP = 137 degrees

Since <COP = <TOD, hence <TOD = 137 degrees

Calculate <COD:

<COD + <TOD = 180

<COD + 137 = 180

<COD = 180 - 137

<COD  = 43 degrees

Also <POT = <COD = 43degrees(vertically opposite angles)

Hence the measure of <COD  and <POT are 43 and 43degrees respectively

Learn more here: brainly.com/question/17247176

4 0
2 years ago
A teacher polled only the 8th grade students in English classrooms on what their favorite color is. She found that the favorite
amid [387]

Answer:

This is a biased sample.

Step-by-step explanation:

This is because she gave a random sample, but the she had the convenience of the students being with her when she surveyed. So it'e not actually random. She could also worded the survey or gave a biased response.

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3 years ago
Is this a function or no
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Step-by-step explanation:

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4 0
3 years ago
Question down below thanks
lara [203]

Answer:

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Step-by-step explanation:

The inequality reads x < -2, so the arrow follows any values that are less than -2. So we need to simplify each inequality in the following options to see which match x < -2.

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-x + 1 > 3 simplifies to x < -2, so it's right

2x + 5 < -3 simplifies to x < -4, so it's wrong

4x+ 6 < -2 simplifies to x < -2, so it's right

7 0
3 years ago
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