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mina [271]
3 years ago
14

What is the unit of time most often used by scientists?

Mathematics
2 answers:
Natasha2012 [34]3 years ago
7 0
Seconds is usually the unit used
laiz [17]3 years ago
4 0
The answer is seconds
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In the function y = 0.25x + 3.5, y represents the cost of a gallon of milk after a certain number of years, x. How much does the
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Since its telling you that x is the number of years and the question is "How much does the cost of milk increase EVERY YEAR" then you can conclude that the cost is increasing by 0.25 each year
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Workings please......
attashe74 [19]

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21.142

Step-by-step explanation:

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Determine the equation of the circle graphed below.
sergij07 [2.7K]

Answer:

Equation = (x - 6 )² + ( y + 3 )² = 9

Step-by-step explanation:

The circle passes through ( 6, 0) and  ( 6 , -6)

They are the coordinates of the diameter.

Using this we can find the centre of the circle.

<u>Find the centre of the circle.</u>

Centre of the circle is the mid- point of (6, 0) and ( 6, -6)

      Centre = (\frac{x_1+x_2}{2} , \frac{y_1 + y_2}{2})

                 =(\frac{6 + 6}{2}, \frac{0 + (-6)}{2})\\\\=(6, -3)

<u>Find the radius of the circle.</u>

Radius = \frac{Diameter }{2}

Diameter is the distance between the points (6 , 0) and ( 6, - 6)

Diameter = \sqrt{(x_2 - x_1)^2+ (y_2 - y_1)^2\\}

               =\sqrt{(6-6)^2 + (-6 -0)^2}\\\\=\sqrt{0 + 36} \\\\= 6

Therefore,

    Radius ,r = \frac{6}{2} = 3

<u>Standard equation of a circle:</u>

<u></u>(x - a)^2 + (y - b)^2 = r^2 \ where \ (a , b) \ is \ the\ centre \ coordinates.<u></u>

Therefore , equation of the circle ;

                    (x - 6)^2 + (y + 3)^2 = 3^2\\\\(x -6)^2 + (y + 3)^2 = 9

6 0
3 years ago
What is the 13th term of the geometric sequence with this formula
adell [148]

Answer:

A

Step-by-step explanation:

You plug in 13 to n-1. to get -2^12. This equates to 4096, and you multiply that by 3

8 0
4 years ago
A water tank fills as shown in the graph below. What is the slope of the line?
zepelin [54]

Answer:

1/3

Step-by-step explanation:

8 0
3 years ago
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