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andriy [413]
3 years ago
9

Which answer choice shows the correct set up for the right hand sum with 3 rectangles of equal length to find the area between t

he graph of the function and the x-axis?
f ( x ) = 3 x − 8 , [ − 3 , 3 ]

Group of answer choices

( 3 ( − 1 ) − 8 ) ( 2 ) + ( 3 ( 1 ) − 8 ) ( 2 ) + ( 3 ( 3 ) − 8 ) ( 2 )

( 3 ( − 1 ) − 8 ) ( 3 ) + ( 3 ( 1 ) − 8 ) ( 3 ) + ( 3 ( 3 ) − 8 ) ( 3 )

( 3 ( − 3 ) − 8 ) ( 2 ) + ( 3 ( − 1 ) − 8 ) ( 2 ) + ( 3 ( 1 ) − 8 ) ( 2 )
Mathematics
1 answer:
babymother [125]3 years ago
5 0

Answer:

the top answer

Step-by-step explanation:

right hand Riemanns are an over approximation, so it would include higher number sets.

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Sholpan [36]
It’s 11 i think. i’m not positive but i think that’s it.
7 0
3 years ago
A teacher has 20 students. Each student is paying $12.50 for a ticket to see a play during a field trip. The teacher collects th
Neporo4naja [7]

Answer:

$75

Step-by-step explanation:

<h3>Steps to determining the answer</h3>
  1. Determine the number of students that would pay in the second week. This can be known by subtracting 14 from 20. 20 is the total number of students. 14 is the number of students that paid in the first week.
  2. Multiply the answer gotten from one above by the price of the ticket

20 - 14 = 6

6 students would pay in the second week

6 x $12.50 = $75

The teacher would collect $75 in the second week

3 0
3 years ago
The scale on a map shows that 10 kilometers is represented by 4 centimeters. Which proportion can be used to find the actual dis
Illusion [34]
10/4=x/20
Your answer will be x=50 kilometers
3 0
4 years ago
Read 2 more answers
Please help! see attached
nikdorinn [45]

Answer:

  1. The lowest value of the confidence interval is 0.5262 or 52.62%
  2. The highest value of the confidence interval is 0.5538 or 55.38%

Step-by-step explanation:

Here you estimate the proportion of people in the population that said did not have children under 18 living at home.It can also be given as a percentage.

The general expression to apply here is;

C.I=p+-z*\sqrt{\frac{p(1-p)}{n} }

where ;

p=sample proportion

n=sample size

z*=value of z* from the standard normal distribution for 95% confidence level

Given;

n=5000

<u>Find p</u>

From the question 54% of people chosen said they did not have children under 18 living at home

\frac{54}{100} *5000 = 2700\\\\p=\frac{2700}{5000} =0.54

<u>To calculate the 95% confidence interval, follow the steps below;</u>

  • Find the value of z* from the z*-value table

The value of z* from the table is 1.96

  • calculate the sample proportion p

The value of p=0.54 as calculated above

  • Find p(1-p)

0.54(1-0.54)=0.2484

  • Find p(1-p)/n

Divide the value of p(1-p) with the sample size, n

\frac{0.2448}{5000} =0.00004968

  • Find the square-root of p(1-p)/n

=\sqrt{0.00004968} =0.007048

  • Find the margin of error

Here multiply the square-root of p(1-p)/n by the z*

=0.007048*1.96=0.0138

The 95% confidence interval for the lower end value is p-margin of error

=0.54-0.0138=0.5262

The 95% confidence interval for the upper end value is p+margin of error

0.54+0.0138=0.5538

7 0
3 years ago
Read 2 more answers
Convert 0.05 into a fraction
Dmitry_Shevchenko [17]

the answer is 5/100 because its in the hundreths place but it simplifies down to 1/20

thank you for your time and please mark brainliest

7 0
3 years ago
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