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
Marianna [84]
3 years ago
11

A generator runs for 2 1/2 hand uses 4 3/8 gals of fuel. How many gallons of fuel did the generator use each hour?

Mathematics
1 answer:
krok68 [10]3 years ago
5 0

divide gallons used by time

4 3/8 = 35/8

2 1/2 = 5/2

35/8 / 5/2 = 35/8 * 2/5 = 70/40 = 7/4 (simplest form) =  1 3/4 gallons per hour

You might be interested in
What is the definition of a vertex​
lions [1.4K]
A vertex is a point where two lines or rays meet
3 0
2 years ago
Ill give brainllest<br> what is 18+26+37+36+8+28?
Rashid [163]

Answer:

153

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
The sample mean for these data is = 3.74 ounces. The dotplot below shows the
ladessa [460]

The margin of error is obtained as the ratio of the standard deviation and the square root of the sample size. It is a measure of the amount of difference that is expected to exist between the actual population value and the value obtained from the sample.

  • <em>Margin of Error = ±0.01</em>

<u>Margin of Error can be calculated using the relation</u> :

  • Margin of Error = σ/√n

Margin of Error = 0.228 ÷ √500 = 0.010

Therefore. the margin of error can be interpreted to mean that the value of the mean obtained from the sample is expected to differ from the mean of the population weight by ±0.01

Learn more :brainly.com/question/13218948

5 0
2 years ago
A 95% confidence interval for a population mean is computed from a sample of size 400. Another 95% confidence interval will be c
Anna [14]

Answer:

The interval from the sample of size 400 will be approximately <u>One -half as wide</u> as the interval from the sample of size 100

Step-by-step explanation:

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.96

Generally the 95% confidence interval is dependent on the value of the margin of error at a constant sample mean or sample proportion

Generally the margin of error is mathematically represented as

      E = Z_{\frac{\alpha }{2} } * \frac{\sigma}{\sqrt{n} }    

Here assume that Z_{\frac{\alpha }{2} } \ and \  \sigma \ is constant so

     E =  \frac{k}{\sqrt{n} }

=>  E \sqrt{n} = K

=>   E_1 \sqrt{n}_1 =  E_2 \sqrt{n}_2

So  let  n_1 = 400 and n_2 =  100

=>   E_1 \sqrt{400} =  E_2 \sqrt{100}

=>  E_1 =  \frac{\sqrt{100} }{\sqrt{400} } E_2

=>  E_1 =  \frac{1}{2 } E_2

So From this we see that  the confidence interval for a sample size of 400 will be half that with a sample size of 100

   

     

   

7 0
2 years ago
Pls help I have no idea what I’m doing
olganol [36]

Answer:

1800

Step-by-step explanation:

61 around to 60 and 29 rounds to 30. so

60 ×30=1800

8 0
3 years ago
Other questions:
  • Instructions:Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
    7·1 answer
  • Point Q (-2, -2) is translated according to this rule (x - 3, y + 4). Which directions will Point Q be translated?
    5·1 answer
  • ASAP PLEASE HELP FAST Question 3 from the video on Box Plots? *
    5·1 answer
  • If an adult female weighs 50 kg, how many mg of
    5·1 answer
  • What is the first step in solving the quadratic equation -5x + 8 = 1337
    9·1 answer
  • Solve r = dt for t
    15·2 answers
  • Look at the data.
    6·1 answer
  • Which of the number lines is the correct graph for the inequality x &lt; -6?
    8·1 answer
  • Select the inequality down.
    7·1 answer
  • Nieves y Ana juegan tres partidas partidas. Nieves tenía 10 cromos y Ana 80. En la primera partida ganó Nieves y elevó sus cromo
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!