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mina [271]
3 years ago
8

Find the mean absolute deviation of the set of data. Round your answer to two

Mathematics
1 answer:
Minchanka [31]3 years ago
5 0
Here is a photo of the decimal places

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5x + 3y = -2<br> 3x + 2y = -1
Effectus [21]

Answer:

(-1,1)

Step-by-step explanation:

5x+2y= -2,  x= -1/3 - 2/3y

5( -1/3 - 2/3y) +3y= -2

y= 1

x= -1/3 - 2/3 × 1

x= -1

7 0
3 years ago
Read 2 more answers
In an insect colony there are 270 insects after 9 days. If there were initially 80 insects how long will it take the population
Semenov [28]

Answer:

The time it will take the population to grow to 800 insects is 17 days.

Step-by-step explanation:

The growth function of the insects is exponential.

The exponential growth function is:

y=a(1+r)^{t}

Here,

<em>y</em> = final value

<em>a</em> = initial value

<em>r</em> = growth rate

<em>t</em> = time taken

It is provided that there were 270 insects after 9 days and initially there were 80 insects.

Compute the value of <em>r</em> as follows:

y=a(1+r)^{t}\\\\270=80(1+r)^{9}\\\\3.375=(1+r)^{9}\\\\\ln(3.375)=9\cdot \ln(1+r)\\\\0.135155=\ln(1+r)\\\\1+r=1.14471\\\\r=0.145

Now, compute the time it will take the population to grow to 800 insects as follows:

800=80(1+0.145)^{t}\\\\10=(1.145)^{t}\\\\\ln(10)=t\cdot \ln(1.145)\\\\t=17.00522\\\\t\approx 17

Thus, the time it will take the population to grow to 800 insects is 17 days.

7 0
3 years ago
The function h(t)=16t^2+144 represents the height , h(t) , in feet , of an object from the ground at t seconds after it is dropp
mafiozo [28]
0≤h(t)≤144, which means that the height of the object can be between 0 and 144 feet, including those limits.
4 0
3 years ago
The club buys shirts in bulk for 8 each. they mark up the shirts 75% to sell in the school store. At the end of the year, At the
Nitella [24]

The amount of profit the spirit club make on each shirt sold at the end of the year is = $2

<h3>Calculation of profit</h3>

The quantity of shirt bought by the club = $8 per shirt

At the end of the year they sold the shirts at discount of %25 each.

That is 25/100 × 8

= 200/100

= $2

Therefore, they made profit of $2 for each shirt they sold at the end of the year.

Learn more about profit here:

brainly.com/question/19104371

#SPJ1

4 0
2 years ago
Decrease 50 by 60% please
jeyben [28]

Answer:

20

Step-by-step explanation:

60% of a hundred is 60, and since 50 is half of that I just halfed sixty too, so decrease 50 by 30

7 0
3 years ago
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