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
Ksivusya [100]
3 years ago
15

Heyy! i’ll give brainliest please help

Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0
I found the answer on a quiz!!!
You might be interested in
How do you solve this?
zavuch27 [327]

Answer:

f(- 10) = 74

Step-by-step explanation:

To find f(- 10) , substitute n = - 10 into f(n) , that is

f(- 10) = - 7(- 10) + 4 = 70 + 4 = 74

3 0
2 years ago
Read 2 more answers
Write an recursive formula for an, the nth term of the sequence 19,22,25, ....​
ra1l [238]

Answer:

T_n = T_{n-1}+3 where n>1

Step-by-step explanation:

Given

19,22,25, ..

Required

Determine the recursive formula

The given sequence shows arithmetic progression (AP).

First, we calculate the common difference (d):

d = 22 - 19 = 25 - 22

d = 3

The recursive formula of an AP is determined using:

T_n = T_{n-1}+d where n>1

Substitute 3 for d

T_n = T_{n-1}+3 where n>1

4 0
3 years ago
Write an inequality that represents the statement “x is at most –5 or at least 7.” A. x < –5 or x > 7 B. x > –5 or x &l
Afina-wow [57]
<span>C. x ≤ -5 or x ≥ 7 D.</span>
8 0
3 years ago
You wish to compute the 99% confidence interval for the population proportion. How large a sample should you draw to ensure that
Nataly_w [17]

Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.13}{2.58})^2}=98.47  

And rounded up we have that n=99

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".  

Solution to the problem

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 99% of confidence, our significance level would be given by \alpha=1-0.99=0.01 and \alpha/2 =0.005. And the critical value would be given by:

z_{\alpha/2}=-2.58, t_{1-\alpha/2}=2.58

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

And on this case we have that ME =\pm 0.13 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

We assume the value for \hat p =0.5 since we don't have previous info. And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.13}{2.58})^2}=98.47  

And rounded up we have that n=99

4 0
3 years ago
Read 2 more answers
Martin charges $10 for every 5 bags of leaves he
Serhud [2]

Answer:

48

Step-by-step explanation:

if you multiply 24 by 10 you get 240 then you divide that by 5 which gives you your answer of 48.

3 0
3 years ago
Read 2 more answers
Other questions:
  • PLZ HELP ME!!!!!! ASAP!!!!! I WILL GIVE BRAINLIEST!!!!!!!!!!!
    13·2 answers
  • 6=a/4+2 solve for a
    14·2 answers
  • Help please!!!!!! I don’t know how to do this
    6·1 answer
  • What is the equation of the vertical line through (2,3)?
    8·1 answer
  • On average, Shawnte drinks 1/2
    10·1 answer
  • What is the solution to the system of equations given below? y=7x+14; y=6x+15
    9·1 answer
  • How do i write an equation in slope intercept form if they give you the slope and what it has to pass through. I totally forgot
    8·1 answer
  • Which product is modeled by the number line below
    8·1 answer
  • What is the solution to this equation?
    15·1 answer
  • Please help I am lost
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!