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-BARSIC- [3]
2 years ago
12

Liam owns a business earning $43,200 in profits these profits are appreciating at about 1.2% each year what are Liam profits aft

er six years
A. $40,181.43
B. $43,459.85
C. $46,310.40
D. $46,405.22
Mathematics
1 answer:
vladimir1956 [14]2 years ago
5 0
The answer should be A
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A force of $20$ newtons will stretch a spring $5$ centimeters. What is the total number of centimeters that a force of $60$ newt
Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

Hooke's Law applies here, which is a linear relationship. It would be easier to solve this using proportions with N of force on the top and the amount of stretch in cm on the bottom. Set up with our unknown, the number of cm:

\frac{N}{cm}:\frac{20}{5}=\frac{60}{x} and cross multiply:

20x = 300 so

x = 15 cm

6 0
2 years ago
Which of the following quadratic equations has the solution set {1/2,5}? select all that apply.
Pie
The answer are B, D and F.

If you solve for x for B, D and F, you'll get (1/2,5)
5 0
3 years ago
The weights of 67 randomly selected axles were found to have a variance of 3.85. Construct the 80% confidence interval for the p
VLD [36.1K]

Answer:

3.13

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 67

Variance = 3.85

We have to find 80% confidence interval for the population variance of the weights.

Degree of freedom = 67 - 1 = 66

Level of significance = 0.2

Chi square critical value for lower tail =

\chi^2_{1-\frac{\alpha}{2}}= 51.770

Chi square critical value for upper tail =

\chi^2_{\frac{\alpha}{2}}= 81.085

80% confidence interval:

\dfrac{(n-1)S^2}{\chi^2_{\frac{\alpha}{2}}} < \sigma^2 < \dfrac{(n-1)S^2}{\chi^2_{1-\frac{\alpha}{2}}}

Putting values, we get,

=\dfrac{(67-1)3.85}{81.085} < \sigma^2 < \dfrac{(67-1)3.85}{51.770}\\\\=3.13

Thus, (3.13,4.91) is the required 80% confidence interval for the population variance of the weights.

8 0
3 years ago
Click on all the values for n that make this inequality true. There may be more than one answer.
vodka [1.7K]
Equation: 120 ≥ 10n + 20

Subtract 20 from both sides, 

100 ≥ 10n

Divide both sides by 10, 
10 ≥ n

It means, it is equal or Smaller than 10.

So, the answers would be: 7, 8, 9, 10

Hope this helps!
4 0
3 years ago
Read 2 more answers
Apply the distributive property to factor out the greatest common factor. 12+20
vladimir2022 [97]

Answer:

4 is the answer.

Step-by-step explanation:

Braunliest?

6 0
3 years ago
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