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3 years ago

How is the decimal system related to the metric system?

1 answer:

7 0

The metric system is a decimal measuring system that was made law in France during the French Revolution and is now used throughout the world. The metric system uses the metre (a unit of length) as its basic unit. Hope this helps. Have a nice day.

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Leno4ka [110]

Answer:

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7 0

3 years ago

Find axis of symmetry f(x)=2(x-5)(x+9)

Effectus [21]

Answer:

x = -2

Step-by-step explanation:

f(x) = 2( x^2 +9x -5x - 45)

f(x) = 2(x^2 + 4x - 45)

f(x) = 2x^2 +8x -90

axis of symmetry formula: x = -b / 2a

x = -(8) / 2(2)

x = -8 / 4

x = -2

*you can also graph the equation on a graphing calculator and find the middle of the parabola

7 0

3 years ago

Bradley has a coupon for 15% off the price of a computer the sales tax is 8%. bradlet purchases a computer wirlth regular price

VikaD [51]

$495-15%=$420.75
$420.75+8%=$454.41
he will pay $454.41 is he uses the coupon

4 0

4 years ago

Which graph represents the function f(x)=4 / x

REY [17]

Answer: The graph of rectangular hyperbola represents the function f(x)=4/x.

Explanation: given function, f(x)= 4/x.

The above function shows equation of rectangular hyperbola or equilateral hyberbola.(because, it is the type of $xy=c^2$ .)

Thus, the asymptote of the given function must be perpendicular.

Moreover, if x=2, y=2, if x=-2, y=-2

If x=4, y=1, if x=-4, y=-1

Therefore, this hyperbola is passing through points (2,2), (-2,-2), (4,1) and (-4,-1).

7 0

4 years ago

Read 2 more answers

(5x - 4)² plsss givee the solutionnn.

Natalija [7]

Answer:

= 25x² - 40x + 16

Step-by-step explanation:

(5x - 4)²

= (5x - 4) (5x - 4)

= 25x² - 20x - 20x + 16

= 25x² - 40x + 16

Hope this helps :)

Let me know if there are any mistakes!!

5 0

3 years ago