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jasenka [17]
3 years ago
6

Please help !!!! Urgent!!! What is the value of K?

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0

Answer:

k equals 29 degrees

Step-by-step explanation:

a line equals 180 degrees so you set the sum of the variables equal to 180 and solve for k

Over [174]3 years ago
5 0

Answer:

29

Step-by-step explanation:

(5k-3) + (9+k) = 180

6k + 6 = 180

6k = 174

k = 29

mark brainliest please (button next to the thanks button)

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Joaquim earns a salary of $4,000 per month plus a 6% commision on all of his sales. He wants to earn more than 7,000 next month.
andrew11 [14]

Answer:

s=salary

x=sales

s ≥ 4,000 + .06x

Step-by-step explanation:


3 0
3 years ago
A student wanted to construct a 95% confidence interval for the average age of students in her statistics class. She randomly se
Darina [25.2K]

Answer: (17.42, 20.78)

Step-by-step explanation:

As per given , we have

Sample size : n= 9

\overline{x}=19.1 years

Population standard deviation is not given , so it follows t-distribution.

Sample standard deviation : s= 1.5 years

Confidence level : 99% or 0.99

Significance level : \alpha= 1-0.99=0.01

Degree of freedom : df= 8  (∵df =n-1)

Critical value : t_c=t_{(\alpha/2,\ df)}=t_{0.005,\ 8}= 3.355

The 99% confidence interval for the population mean would be :-

\overline{x}\pm t_c\dfrac{s}{\sqrt{n}}

19.1\pm (3.355)\dfrac{1.5}{\sqrt{ 9}}\\\\=19.1\pm1.6775\\\\=(19.1-1.6775,\ 19.1+1.6775)\\\\=(17.4225,\ 20.7775)\approx(17.42,\ 20.78)

Hence, the 99% confidence interval for the population mean is (17.42, 20.78) .

7 0
3 years ago
Hi, does anyone know the answer to this question? I’m bad at geometry and I’m struggling to answer it.
vodka [1.7K]
The answer is (2) a translation

Please Mark BRAINLIEST!
3 0
3 years ago
Okay I got a question
Maslowich
What’s the question?
7 0
2 years ago
A car drives 195 miles in 3 hours and 15 minutes. what is the average speed of the car?
g100num [7]
1 mpm or 0.0166666666 repeating mph
5 0
3 years ago
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