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3 years ago

Use the rules of significant figures to find the answer to the addition problem S= 25.4+14+16.67+3.903

1 answer:

6 0

S=59.973 all you have to do now is round it. So the real answer is S=60. All i did was add up all the numbers.
$25.4 + 16.67 = 42.07 + 3.903 = 45.973 + 14 = 59.973$

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2 years ago

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3 years ago

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the center of a circle is on the line y=2x and the line x=1 is tangent to the circle at (1,6).find the center and the radius

Julli [10]

The radius and the center of the circle are 4 units and (1,2), respectively

<h3>How to determine the center and the radius?</h3>

The center of the circle is on

y = 2x and x = 1

Substitute x = 1 in y = 2x

y = 2 * 1

Evaluate

y = 2

This means that the center is

Center = (1, 2)

Also, we have the point of tangency to be:

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This point and the center have the same x-coordinate.

So, the distance between this point and the center is

d = 6 - 2

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brainly.com/question/10618691

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2 years ago

An object is launched from the ground. The object’s height, in feet, can be described by the quadratic function h(t) = 80t – 16t

White raven [17]

Answer:

The object hits the ground 5 seconds after being launched.

Step-by-step explanation:

The height of the object in t seconds after being launched is given by the following equation:

$h(t) = 80t - 16t^{2}$

When will the object hit the ground after it is launched?

This is t for which h(t) = 0.

$80t - 16t^{2} = 0$

$16t(5 - t) = 0$

Then

$16t = 0$

$t = 0$

This is the launch point

$5 - t = 0$

$t = 5$

The object hits the ground 5 seconds after being launched.

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4 years ago

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