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UkoKoshka [18]
3 years ago
7

a new truck that sells for $29000 depreciates 12% each year. Write a function that models the value of the truck

Mathematics
1 answer:
Mila [183]3 years ago
5 0
29000×0.88^time(years the trucks been waiting to sell)
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The length of a rectangle is 6m longer than its width. If the perimeter of the rectangle is 52m, find its area
sveticcg [70]
If length is x, then width is 6+x 
<span>Perimeter = 2*(x + 6+x) = 52 </span>
<span>2*6 + 2*2x = 52 </span>
<span>4x = 52 - 12 = 40 </span>
<span>x = 40/4 = 10 </span>

<span>Area = length*width = 10*(6+10) </span>
<span>Area = 10*16 = 160 meter square</span>
4 0
3 years ago
PLS HELP (LAST QUESTION)
rosijanka [135]

Answer:

You would have $18

Step-by-step explanation:

Have a good day!

4 0
3 years ago
In a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted o
Maksim231197 [3]

Answer:

324

Step-by-step explanation:

given that in a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?"

i.e. Sample proportion p=0.74\\q =1-p =0.26\\

Margin of error = 4% = 0.04

Confidence level =90%

Z critical value for 90% = 1.645

Margin of error = 1.645 * std error

Hence std error = \frac{0.04}{1.645} \\=0.0243

Std error is also equal to

\sqrt{\frac{pq}{n} } =\sqrt{\frac{0.74(0.26)}{n} } =0.0243\\\sqrt{n} =18..05\\n = 325.83~324

Sample size should be 324.

The formula is sample size = (Z critical value)^2 (pq)/(Margin of error )^2

3 0
3 years ago
A classroom has students sitting in 5 columns of 5,6,7,5 and 2. What are the mean, median, mode, and range of class columns.
maria [59]
Mean: 5
Median: 5
Mode: 5
Range: 5
5 0
3 years ago
Read 2 more answers
Can anybody help me with this one ??
leva [86]
A=7 b =4 and c=9 Because the 7 is the base of the number
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3 years ago
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