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3 years ago

9decimals with 3 decimal places when rounded to the nearest hundredth round to 4.56.

Mathematics

2 answers:

andrezito [222]3 years ago

7 0

Remember
≥5. then round up
<4 then round down

4.555
4.556
4.557
4.558
4.559
4.561
4.562
4.553
4.554

suter [353]3 years ago

6 0

? 123456.789 ?????

then round2(123456.789)

=123456.79

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Physics students were modeling the height of a ball once it was dropped from the top of a 10 foot ladder. The

julsineya [31]

Answer:

Interval notation: [0, 2.236]

Set Builder notation: $\{t\ |\ 0\le t\le 2.236\}$

Step-by-step explanation:

Given that:

Equation of height of the ball dropped from a height of 10 foot, as:

$h(t) = 10 - 2t^2$

Where $t$ is the time since the ball was dropped.

To find:

The domain of the function in Interval and set builder notation.

Solution:

Domain of a function is defined as the set of valid input values that can be given to the function for which the function is defined.

Here, input is time.

We can not have negative values for time.

Therefore, starting value for time will be 0 seconds.

And the value of height can not be lesser than that of 0 ft.

$0= 10 - 2t^2\\\Rightarrow 2t^2=10\\\Rightarrow t^2=5\\\Rightarrow t =2.236\ seconds$

Maximum value for time can be 2.236 seconds.

Therefore the domain is:

Interval notation: [0, 2.236]

Set Builder notation: $\{t\ |\ 0\le t\le 2.236\}$

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3 years ago

Faye used a stopwatch to find that in 352 minutes, she read 88 pages.

erik [133]

88 pages = 352 minutes
1 page = 352/88 = 4 minutes
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For Faye to read 1 page, it took her 240 seconds

8 0

3 years ago

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Lady_Fox [76]

Answer:

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Step-by-step explanation:

here is answer

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3 years ago

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Suppose 72 gallons of water came out of a pipe in 8 minutes.

Masteriza [31]

Answer:

9 gallons of water per minute

Step-by-step explanation:

First identify what you know:

1) The pipe was flowing water for eight minutes.

2) In that eight minutes, 72 gallons of water came out.

So, if 72 gallons of water came out in eight minutes, how many gallons flowed out in a single minute? Well, assuming that the flow rate was consistent, then simply divide the total number of gallons that flowed out, by the number of minutes the pipe was open!

72/8 = 9

The pipe released 9 gallons of water per minute, thus resulting in 72 gallons of water in 8 minutes!

Hope this helps! :)

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3 years ago

A ball is thrown from a height of 32 meters with an initial downward velocity of 2/ms. The ball's height h (in meters) after t s

Bumek [7]

0=65-10t-5t^2

now what you want to do is multiply a and c

-5(t^2+2t-13)

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3 years ago