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
Fantom [35]
3 years ago
13

A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence

begins and ends with a post, which of the following could not be the length of the fence in feet? (12 inches = 1 foot)
A. 17
B. 28
C. 35
D. 39
E. 50
Mathematics
1 answer:
gayaneshka [121]3 years ago
4 0
Well, to get the possible length you start with 6 in (0.5 feet) and add 5.5 feet multiple times. You could get 6, 11.5, 17, 22.5, 28, 33.5, 39, 44.5, 50, ...
Notice we missed the "35" option, which is, thus, not possible.
You might be interested in
Solve please. 20 points.
Yakvenalex [24]

Answer:

336 cm^2

Step-by-step explanation:

Well theres not exactly a formula, I jsut solve the 3 faces and then double it all since 2 are the same for each except for 1 so the first side is the 10X12 one. that would give you 60 and then you double that and get 120 since 2 same faces.

The next one the 6X13  one is just a sideways rectangle, a=lw and that would be 78. Two faces same side double 78 and get 156.

Now the final side is the bottom which is jsut 10X6. a=lw and that would eqaul 60. No need to double since thats the only side that doesn’t have a duplicate. Add all your result up and you would get

336 cm^2

5 0
3 years ago
How much would you need to deposit in an account each month in order to have $50,000 in the account in 8 years? Assume the accou
NISA [10]

Answer:

1341.53

Step-by-step explanation:


3 0
3 years ago
Only boxes less than 3 1/2 feet wide will fit through a doorway. Which measurements show the widths of three boxes that will eac
Nana76 [90]
Do you have choices?

8 0
3 years ago
An industrial expert claims that the average useful lifetime of a typical car transimssion which comes with ten years warranty i
lesya692 [45]

Answer:

a. none of these answers

Data provides sufficient evidence, at 1% significance level, to support the expert's claim. In addition the p-value (or the observed significance level) is equal to P( T >3.281)

Step-by-step explanation:

Data given and notation  

\bar X=13.5 represent the mean height for the sample  

s=3.2 represent the sample standard deviation for the sample  

n=9 sample size  

\mu_o =10 represent the value that we want to test

\alpha=0.01 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is higher than 10 years, the system of hypothesis would be:  

Null hypothesis:\mu \leq 10  

Alternative hypothesis:\mu > 10  

If we analyze the size for the sample is < 30 and we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:  

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic

We can replace in formula (1) the info given like this:  

t=\frac{13.5-10}{\frac{3.2}{\sqrt{9}}}=3.28    

P-value

The first step is calculate the degrees of freedom, on this case:  

df=n-1=9-1=8  

Since is a one side right tailed test the p value would be:  

p_v =P(t_{(8)}>3.281)=0.00558  

Conclusion  

If we compare the p value and the significance level given \alpha=0.01 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, so we can't conclude that we have a mean higher than 10 years at 1% of significance.  

a. none of these answers

3 0
3 years ago
Solve for x in the triangle. Round your answer to the nearest tenth.
wariber [46]

Answer:

the answer is 12

i used 5 12 13 special trangle

and there is 2 angle 56 and 34

so the biggest angle meet the 12

and the little angle meet the 5

hopefully its correct

5 0
3 years ago
Other questions:
  • Which picture do u like the most and is this person hot? FREE POINTS!!!
    9·2 answers
  • Instructions:Select the correct answer. Shaun and Trudy are selling raffle tickets. So far, Shaun has sold x tickets. Trudy has
    9·1 answer
  • What is the exact area of a circle having radius 8 in.?
    6·1 answer
  • Alysha is two years younger than Bryce. The sum of theirs ages is 28. How old is Alysha
    11·1 answer
  • What is 61.4 dived by 1000
    10·1 answer
  • Need help finishing problem 27.
    9·1 answer
  • Let \[x_2=\{n\ | 1\leq n\leq 200, n=k^2\ \exists k\in \z\},\] \[x_3=\{n\ | \ 1\leq n\leq 200, n=k^3\ \exists k\in \z\},\] and \[
    15·1 answer
  • Find the amount of interest owed for a $1,895 loan for 4 years at a 7.9% interest rate.
    6·1 answer
  • Please help me vote you brainiest
    14·1 answer
  • Can someone pls help me with this?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!