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2 years ago

How do you calculate pi??

Mathematics

1 answer:

Virty [35]2 years ago

4 0

Answer: Use the formula.

Step-by-step explanation: The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.

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Evaluate to earn 10 points and brainliest

Helga [31]

Answer: -8

Step-by-step explanation:

if y=6x+(-2), than y= 6x-2

if x=-1 we will replace x with this value

y=6(-1)-2=-6-2=-8

5 0

2 years ago

Someone pls help with question 2

kirza4 [7]

Answer:

Step-by-step explanation:

5 0

2 years ago

Find x and y please!!! I need help!!

jonny [76]

Answer

Step-by-step explanation:

(15x-8y)=52

180=90+52+x

x=38

System of equations:

15x-8y=52

6x+14y=38

y=-6.5+15/8x

6x+14(-6.5+15/8x)=38

6x-91+26.25x=38

32.25x=129

x=4

15(4)-8y=52

60-8y=52

-8y=-8

y=1

x=4

7 0

2 years ago

Find the side labeled X in the picture, then round to 5 decimal places.

mafiozo [28]

Answer:

$\displaystyle x=20.75585$

Step-by-step explanation:

<u>Trigonometric Ratios</u>

There are some trigonometric ratios that are defined in a right triangle. The given figure corresponds to a right triangle (with a 90° angle) and two measures are given: An angle of 34° and the length of a side that is opposite to the angle. We are required to find x, the adjacent side of the given angle.

The appropriate relation that we must use to find x is

$\displaystyle tan34^o=\frac{14}{x}$