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
Wewaii [24]
3 years ago
12

Two companies, A and B, drill wells in a rural area. Company A charges a flat fee of 3681 dollars to drill a well regardless of

its depth. Company B charges 1168 dollars plus 10 dollars per foot to drill a well. The depths of wells drilled in this area have a normal distribution with a mean of 260 feet and a standard deviation of 40 feet. Find the probability that Company B would charge more than Company A to drill a well.
Mathematics
1 answer:
jekas [21]3 years ago
3 0

Answer:

Mean costing =  $3,768

Step-by-step explanation:

Given:

Mean A(x) = 260

Rate = $10 per feet

Fixed charge = $1,168

Computation:

Assume;

depth = x ft

So,

Cost of company B = 10x + 1,168

So,

Mean costing = 10A(x) + 1,168

Mean costing =  10(260) + 1,168

Mean costing =  2,600 + 1,168

Mean costing =  $3,768

You might be interested in
Kelly has a ribbon that is 60 inches long. She cuts off 40% of the ribbon for an art project.while working on it,she decides she
Ksivusya [100]
You take 60x.4 to see you are left with 36 inches 24x.75 to see what 75% of the 40% cut off is and you see she only needed 18 so you add back the Extra 6 cut off to the leftover 36 and you have 42 inches of ribbon left
6 0
3 years ago
Read 2 more answers
What is the smallest power of 10 that exceeds this number 235,452
Oliga [24]

Answer:

10^{6}

Step-by-step explanation:

1. You have the following number given in the problem above:

235,452

2. As you can see, it is smaller than a number with seven digits as 1,000,000.

3. You can rewrite 1,000,000 as an integer power of 10, which must have the following form:

10^{n}

Where n is the exponent that indicates the number of times that 10 is multiplied by itself.

4. Therefore, you have:

1,000,000=10^{6}

8 0
3 years ago
What is the angles mSRW?
Scilla [17]

Answer:

126°

Step-by-step explanation:

(2x +18)° = (3x)°

2x + 18 = 3x

18 = 3x - 2x

18 = x

therefore, (3x)° = (3*18)°= (54)°

m\angle SRW + (3x)\degree = 180\degree \\m\angle SRW + 54\degree  = 180\degree \\m\angle SRW = 180\degree  - 54\degree  \\\huge\red{\boxed{m\angle SRW = 126\degree}}

5 0
3 years ago
Please Help - (You must answer all of the questions) - 25 POINTS
Juliette [100K]
1.) <span>It typically takes teachers 9 minutes longer than students to get ready for school. - The median of two data = Teachers 25 - Students 16: typically, teachers take 25 mins to get ready and students take 16 mins to get ready.

2.) </span><span>Both of the means are correct, but the reasoning is incorrect. - the mean absolute deviation for team A is 2 and for team B is 0.8. Greater mean does not signify higher mean absolute deviation.

3.) </span><span>The students tend to have fewer siblings than the teachers. - the teachers have a wide range of data and they have more siblings than the students so the first choice is the better option.

4.) </span><span>between 120 and 153 mph in race A; between 125 and 145 mph in race B - get the data from the lower whisker till the median.</span>
7 0
3 years ago
Read 2 more answers
Which of the following would be a solution to the system of inequalities below?
shutvik [7]
I think it should be C
7 0
3 years ago
Other questions:
  • What does percent mean
    10·2 answers
  • BRAINLIESTTTT!!!!!!!!
    7·1 answer
  • There are 18 boys and 7 girls in the school jazz band. Find the ratio of the number of girls in the band to the total number of
    6·2 answers
  • #1. Find all solutions to the equation. sin2x + sin x = 0. #2. If sinx (sinx+1) = 0 sinx = 0 sinx = -1, solve for x.
    7·1 answer
  • The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for
    12·1 answer
  • The first and second grade students told the
    9·2 answers
  • A box of 12 Popsicles costs $4.44 what is the Popsicles unit rate
    8·2 answers
  • What is the formula for Simple Interest?<br> ...What does each letter mean?
    14·1 answer
  • HELP?!?! HURRY!! PLEASE IM RUNNING OUTA TIME
    14·1 answer
  • 8. Tajah is making bead necklaces for her friends. She wants them all to look exactly the same. She has 45 red beds and 60 blue
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!