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
slava [35]
2 years ago
13

Pls help it's a redo assignment

Mathematics
1 answer:
umka21 [38]2 years ago
3 0

Answer:

a) 8 1/3 b) 1 c) 4 7/8 d) 9 3/5 e) 3 1/6 f) 84 g) 8 h) 4 8/15 i) 20

Step-by-step explanation:

Just trust me

You might be interested in
bryan says all prime numbers are odd numbers list all the prime numbers less than 20 in a numerical order
Greeley [361]
This is a list of all the prime numbers less than 20 in numerical order

6 0
2 years ago
Let y = In x and V = lny. Write Inyx in terms of u and v.
weqwewe [10]

Answer:

v + u

Step-by-step explanation:

Using the rule of logarithms

log x + log y ⇔ log xy

Given

ln yx, then

ln yx = ln y + ln x = v + u

6 0
3 years ago
4. Add<br> f(x)= 4x?+5x-1<br> g(x) = 2x2 + 5x+3
Maurinko [17]
<h3>Answer:</h3>

A. 3x² +6

<h3>Explanation:</h3>

(f-g)(x) = f(x) -g(x) = (4x²+1) -(x²-5) . . . . . substitute the function definitions

... = 4x² +1 -x² +5 . . . . . . . . . . . eliminate parentheses

... = (4-1)x² +(1+5) . . . . . . . . . . . collect like terms

... = 3x² +6

6 0
2 years ago
The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day.
valina [46]

Answer:

A sample of 179 is needed.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.85}{2} = 0.075

Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

That is z with a pvalue of 1 - 0.075 = 0.925, so Z = 1.44.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

A previous study found that for an average family the variance is 1.69 gallon?

This means that \sigma = \sqrt{1.69} = 1.3

If they are using a 85% level of confidence, how large of a sample is required to estimate the mean usage of water?

A sample of n is needed, and n is found for M = 0.14. So

M = z\frac{\sigma}{\sqrt{n}}

0.14 = 1.44\frac{1.3}{\sqrt{n}}

0.14\sqrt{n} = 1.44*1.3

\sqrt{n} = \frac{1.44*1.3}{0.14}

(\sqrt{n})^2 = (\frac{1.44*1.3}{0.14})^2

n = 178.8

Rounding up

A sample of 179 is needed.

7 0
3 years ago
______ an argument which convinces other people that something is true
Alina [70]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • (Photo) Pls help me!
    15·2 answers
  • A single standard six sides die is rolled. what is the probability the roll is a multiple of three given that it is an even numb
    13·1 answer
  • a slide 4.1 meters long makes an angle of 35 degrees with the ground. How far above the ground is the top of the slide
    13·2 answers
  • What is this equation<br> 6(14+8)+12
    8·1 answer
  • For the angles shown in the diagram, which statements are true? Select all that apply.
    9·1 answer
  • Write an expression (simplified in standard form) for the PERIMETER of the rectangle below.
    8·2 answers
  • Ella has 27 apples if Ella uses three apples to make each tart how many Tarts can teller make​
    11·1 answer
  • Find the inequality please
    13·1 answer
  • Answer please ASAP now
    12·1 answer
  • if two similar rectangles have a scale factor of 5:2 and the area of the smaller rectangle is 45 cm^2, what will be the area of
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!