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
Ilia_Sergeevich [38]
3 years ago
8

A surfboard has an original price of $259. It is on sale for 55% off the original price.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
6 0

Answer:

$116.55

Step-by-step explanation:

If original price= $259

And sale= 55% off original price

Then price after sale=(100%-55%) of $259

<u>Working:</u>

100%-55%=45% or \frac{45}{100}

45% of $259 or \frac{45}{100} x \frac{259}{1}= $116.55

grin007 [14]3 years ago
5 0
I'm not sure what answer you need for this question?
original price: 259
sale: 55% off
55%=0.55
so 259×0.55=142.45
142.45 is the 55% of the original price
259-142.45=116.55
116.55 is the price after sale.
hope this would help. (*^ω^*)/
You might be interested in
I need quick help pls!!!!!!
goldenfox [79]

Answer: i don,t know sorry but i wish you the best of luck

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Researchers are interested if a school breakfast program leads to taller children. Assume that the population of all 5 year-old
DedPeter [7]

Answer:

39-1.96\frac{1}{\sqrt{25}}=38.608    

39+1.96\frac{1}{\sqrt{25}}=39.392    

So on this case the 95% confidence interval would be given by (38.608;39.392)    

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=39 represent the sample mean for the sample  

\mu population mean (variable of interest)

\sigma=1 represent the population standard deviation

n=25 represent the sample size  

Solution to the problem

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

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

The margin of error is given by:

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

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a tabel to find the critical value. The excel command would be: "=-NORM.INV(0.025,0,1)".And we see that z_{\alpha/2}=1.96

And replacing we got:

ME= 1.96 *\frac{1}{\sqrt{25}}= 0.392

Now we have everything in order to replace into formula (1):

39-1.96\frac{1}{\sqrt{25}}=38.608    

39+1.96\frac{1}{\sqrt{25}}=39.392    

So on this case the 95% confidence interval would be given by (38.608;39.392)    

7 0
3 years ago
X^6 * x^-4<br><br> EXPONENTS QUIZ <br> ( YOU CANT GET A FRACTION OR A DESMIL!)
Varvara68 [4.7K]

Answer:

The answer is x².

Step-by-step explanation:

1) Use product rule: x^a x^b = x^a + b.

{x}^{6 - 4}

2) Simplify 6 - 4 to 2.

{x}^{2}

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u>

6 0
3 years ago
Read 2 more answers
What is the quotient of 45 divieded by 12
max2010maxim [7]

Your answer would be 3.75.

3 0
3 years ago
Read 2 more answers
What is the inverse of function f?<br> f(x) = -7x - 4
Alona [7]

Your inverse funtion would look like this:

f − 1 ( x ) = − x 7 − 4 7 . This would be your answer.

You're welcome ;)

5 0
2 years ago
Other questions:
  • TUOTTERIT
    6·2 answers
  • 60% of a number is 90<br> what is 50%of the same number
    12·1 answer
  • Joseph would like to make 12 pounds of a coffee blend at a cost of $6.25 per pound. He blends Ground Chicory at $4.40 a
    6·2 answers
  • An object travels 8 miles in 20 minutes at a constant speed. What is the
    12·1 answer
  • What is the slope of the line given by the equation y = 3x? enter your answer as an integer.
    6·1 answer
  • The average January surface water temperatures (°C) of Lake Michigan from 2000 to 2009 were 5.07, 3.57, 5.32, 3.19, 3.49, 4.25,
    5·2 answers
  • Can i get some help please -2v(1-7v)+v-10
    5·1 answer
  • I brought 16 packs of cola to a party and each pack had 8 cans. My friend brought 6 cans of juice. How many cans did they bring
    15·1 answer
  • Jack is building 5 raised garden beds in a community garden each raised garden bed will need 178 bag of soil how many bags of so
    5·1 answer
  • What is the sum of LuAnn's three cards?<br> first card: -12<br> second card: 3<br> third card: -5
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!