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Ira Lisetskai [31]
3 years ago
7

the length of a rectangle is given by 2t+1 and its height is t^(1/2), where t is time in sec. Find the rate of change of the are

a with respect to time
Mathematics
1 answer:
Nata [24]3 years ago
5 0
<span>A=(2t+1)t^1/2 differentiate both sides w.r.t t to get the solution</span>
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12²+ 9 - 4<br> a) 119<br> b)147<br> c)137<br> d)221
ziro4ka [17]

Answer:

it will be 147

Step-by-step explanation:

12x12=144

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3 years ago
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Identify the sampling techniques​ used, and discuss potential sources of bias​ (if any). Explain.
Snowcat [4.5K]

Answer:

The sampling technique used is the systematic sampling.

Step-by-step explanation:

Systematic sampling as the name implies is the application of a system so select samples, like having a people in a line, and a system is used to select the sample, like counting one to three and picking every third person in the line. This kind of sampling is bias because everyone is not giving equal opportunity of selection.

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3 years ago
patty's pies made 2 peach pies using 10 cups of peaches. they made 3 pies using 15 cups of peaches and 4 pies using 20 cups of p
morpeh [17]
Seems to be 10 cups per 2 peaches or 10/2 or 5/1 or 5 cups of peaches per pie

so for 9 pies, 9 times number of peaches per pie=9 times 5=45 cups pf peaches


needs 45 cups of peaches to make 9 peach pies
3 0
3 years ago
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Complete the function table below for the function F(x) = 5x-7.
MA_775_DIABLO [31]
The answer is true it goes up by 5 every time
8 0
3 years ago
Please understand the explanation
aivan3 [116]

<em>answer =  12.56 \: square \: km\\ radius = 4km \\ area \: of \: quarter \: circle =  \frac{\pi {r}^{2} }{4}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{3.14 \times  {4}^{2} }{4}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{3.14 \times 16}{4}  \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 12.56 \: square \: km \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment</em>

4 0
3 years ago
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