1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
xxMikexx [17]
2 years ago
5

What is 5(-3k+5)=-4K+k+1

Mathematics
1 answer:
enot [183]2 years ago
6 0

Answer:

Step-by-step explanation:

5(-3k+5)=-4K+k+1

Opening bracket

-15k + 25 = -4k + k + 1

-15k + 4k - k = 1 - 25

-12k = -24

k = -24/-12

k = 2

You might be interested in
Helpppp idkkkkk thisssss
Daniel [21]
Yea, it’s 180cm^3

V=bh
V= 20cm • 9cm
V=180cm^3

Have a good day :)
4 0
3 years ago
What’s 599,600 in scientific notation
Vlada [557]

Answer:5.9 x10-5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need help please?!!!
nignag [31]
-1.5 I hope this helps
5 0
3 years ago
Read 2 more answers
The current process has a mean of 2.50 and a std deviation of 0.05. A new process has been suggested by research. What sample si
Novay_Z [31]

Answer:

ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}} (1)  

n=(\frac{z_{\alpha/2} s}{ME})^2 (2)  

The critical value for 95% of confidence interval now can be founded using the normal distribution. And in excel we can use this formla to find it:"=-NORM.INV(0.025,0,1)", and we got z_{\alpha/2}=1.96, replacing into formula (2) we got:  

n=(\frac{1.96(0.05)}{0.02})^2 =24.01  

So the answer for this case would be n=25 rounded up to the nearest integer  

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

\bar X represent the sample mean for the sample  

\mu population mean (variable of interest)  

\sigma=0.05 represent the population standard deviation  

n represent the sample size (variable of interest)  

The confidence interval for the mean is given by the following formula:  

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}  

The margin of error is given by this formula:  

ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}} (1)  

And on this case we have that ME =0.02 and we are interested in order to find the value of n, if we solve n from equation (1) we got:  

n=(\frac{z_{\alpha/2} s}{ME})^2 (2)  

The critical value for 95% of confidence interval now can be founded using the normal distribution. And in excel we can use this formla to find it:"=-NORM.INV(0.025,0,1)", and we got z_{\alpha/2}=1.96, replacing into formula (2) we got:  

n=(\frac{1.96(0.05)}{0.02})^2 =24.01  

So the answer for this case would be n=25 rounded up to the nearest integer  

7 0
3 years ago
Pa help nmn po need lang po talaga
LekaFEV [45]

Answer:

Pa follow mona at pa brienlist

Step-by-step explanation:

Please

8 0
2 years ago
Other questions:
  • Quadratic linear and constant term of f(x)=(3x-6)(-4x+2)
    11·1 answer
  • Given f (x) = 2x^2 -3x + 5, find f (-4)
    7·2 answers
  • The lateral area of a cone is 555 \pi cm^2 and the radius is 15.1 what is the slant height?
    5·1 answer
  • the length of a rectangle is 3cm greater then it's width. The perimeter is 24cm. Find the dimensions of the rectangle.
    9·2 answers
  • Convert 0.7 to a fraction in simplified form
    9·1 answer
  • Item 14<br> Solve 2x−3y=62x−3y=6 for yy.
    12·1 answer
  • In the expression 4x+ 2y -3x +5y^2 +3z- 4z^2
    8·1 answer
  • Each cup of hot chocolate also takes 2/3 cup of milk how many cups of hot chocolate can you make with 12 cups of milk?
    11·2 answers
  • Earn $1700 as a starting bonus (at day zero) and then earn $5,000 after your first month, $6,000 after your
    14·1 answer
  • You want to rent a television Company A charges $50 per week plus a one-time fee of $15. Company B charges 130 per week plus a o
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!