Answer:
8
Step-by-step explanation:
well because since you have to add u add 3+b
Answer:
This would be adding like terms togeather. So c3 plus c2 equals c5. So b2+c5 is your awnser.
Step-by-step explanation:
People were polled on how many books they read the previous year. Initial survey results indicate that s= 18.1 books. Complete parts (a) through (d) below.
(a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 95%confidence?
This 95% confidence level requires ____subjects. (Round up to the nearest subject.)
(b) How many subjects are needed to estimate the mean number of books read the previous year within three books with 95% confidence?
This 95% confidence level requires _____subjects. (Round up to the nearest subject.)
(c) What effect does doubling the required accuracy have on the sample size?
A.Doubling the required accuracy nearly quadruples the sample size.
B.Doubling the required accuracy nearly halves the sample size.
C.Doubling the required accuracy nearly quarters the sample size.
D. Doubling the required accuracy nearly doubles the sample size.
(d) How many subjects are needed to estimate the mean number of books read the previous year within four books with 99% confidence?
This 99% confidence level requires _____ subjects. (Round up to the nearest subject.)
This 99% confidence level requires ____subjects. (Round up to the nearestsubject.)
Compare this result to part (a). How does increasing the level of confidence in the estimate affect sample size? Why is thisreasonable?
A. Increasing the level of confidence increases the sample size required. For a fixed margin of error, greater confidence can be achieved with a smaller sample size.
B. Increasing the level of confidence decreases the sample size required. For a fixed margin of error, greater confidence can be achieved with a larger sample size.
C. Increasing the level of confidence decreases the sample size required. For a fixed margin of error, greater confidence can be achieved with a smaller sample size.
D. Increasing the level of confidence increases the sample size required. For a fixed margin of error, greater confidence can be achieved with a larger sample size.
is this question from book or just asking about subject???
Senna was having a party for 15 friends. She bought 3 jars of
pickles for $4.50. What is the cost per jar?
Answer:
$1.50 per jar
Step-by-step explanation:
4.50 / 3 = 1.50
SOMEBODY HELP ME PLEASE
Answer:
1. -2
2. -10
3. -30
4. -2
5. -21
6. -10
7. -1
8. -4
9. -170
10. -15
11. 18
12. -45
13. 15
14. -35
15. 18
16. -48/7
17. 6
18. -9
19. 114/9
20. -18
Margie volunteered to supply heart-shaped sugar cookies for her third-grade class' Valentine's Day party. Her mom will use premade cookie dough in a tub and buy pink frosting and sprinkles, too. Margie would like to give one cookie to each of her 26 classmates. One tub of cookie dough makes 20 cookies and costs $9.95. The frosting will cover 30 cookies and costs $4.59. The package of sprinkles covers up to cookies 60 and costs $2.29. When Margie's sister, Nicole, hears about the cookies, she asks her mom if they can bake one cookie for each of the students in her class, too. Nicole is in fifth grade and she has 31 students in her class. How much will the ingredients cost for both of the classes?
Answer: $41.32
Step-by-step explanation:
1. Figure out how many students need cookies.
26 + 31 = 57, 57 students need cookies, thus they need to make at least 57 cookies.
2. Figure out which ingredients are still needed.
One tub of cookie dough makes 20 cookies, so to make 57 cookies, they will need at least three tubs. One frosting tin covers 30 cookies, so to cover 57 cookies, they will need at least two tins. One bag of sprinkles covers 60 cookies, so they will only need one bag, as 60 > 57.
3. Tally up the prices of each ingredient
Price of cookie dough = 9.95, amount of cookie dough needed = 3
9.95 * 3 = 29.85
Price of frosting = $4.59, amount of frosting needed = 2
4.59 * 2 = 9.18
Price of sprinkles = 2.29, amount of sprinkles needed = 1
2.29 * 1 = 2.29
4. Find the sum.
29.85 + 9.18 + 2.29 = 41.32
help!! giving brainliest
What is the opposite of 8/7
Answer:
7/8
Step-by-step explanation:
i know
Answer:
7/8 XD
Step-by-step explanation:
Four less than the product of a number and 8 is twice the sum of the number and 10 what is the number
Answer:
x=4
Step-by-step explanation:
Four less than the product of a number and 8:
8x−4
is twice the sum of the number and 10, so
8x−4=2(x+10)
Simplify.
8x−4=2x+20
Add 4 to both sides, which is
8x=2x+24
Subtract 2x from both sides:
6x=24
Divide 6 from both sides to isolate the x
x=4
-how I got 20
8x-4=2(x+10) x=8 so 8+10=18 18+2=20
also sorry for posting the answer in the comments and then making an answer after you saw i just wanted da points and hope it helped you :)
Sixth grade math please in K12
Item 3
Divide.
5892 ÷ 18
327
327 1/18
327 1/3
327 7/18
Help is apricated
Answer:
327r6
Step-by-step explanation:
Too long, if you really need it, comment on this answer.
what is 3 divided by 4
show your work
Answer:
0.75
Step-by-step explanation:
Answer:
3/4= 0.75
Step-by-step explanation:
4 can be divided into 3 parts but it will be lower than 1.
think of it this way, there are 4 groups and you have to divide 3 things equally into the 4 groups.
because you can't do a whole number, it will be a decimal.
3/4=0.75
Help help help help help
Answer:
x>22
Step-by-step explanation:
3(x+4)>18
3x+12> 54
3x>66
x>22
Please help asap! really important!!
Answer:
4th graph
6th graph
3rd graph
Step-by-step explanation:
Linear = y = x + 3
it is 4th graph
when you substitute x = 0 y is 3
and when y = 0 x is -3
Quadratic = y = 3x^2
It is 6th graph
for both positive and negative values of x, y is rapidly increasing
Exponential = y = 3^x
it is 3rd graph
for x = 0 y value is 1 because 3^0 = 1
for positive values of x, y is exponentially rising
for negative values of x it is nearly almost touches zero
i want the answer for this question fast plz
Answer:
l dont know bro sorry but l will let you konw
I need to find out what the value of Z is pls help
171 ig
Step-by-step explanation:
2z-4= 2
3z+4=
7+2= 9
180(supplementary)
180-9=171 degree
Order the side lengths AB, BC, and CA from least to greatest.
(Note that the figure is not drawn to scale.)
Answer:
BC < AC < AB
Step-by-step explanation:
In triangle smallest has the smallest opposite side and so on
first find ∠A = 180 - 59 - 79
= 42
∠A < ∠B < ∠C
Then ∠A opposite side is BC is less
so BC < AC < AB
Solve for x by writing the equation in exponential form.
log7(2x + 17) = 2
Given :-
log 7( 2x +17) = 2 .To Find :-
The value of x .Solution :-
Given logarithmic equation is ,
[tex]\longrightarrow log_7(2x +17) = 2 [/tex]
As we know that ,
[tex]\longrightarrow log_a b = c [/tex]
can be rewritten as ,
[tex]\longrightarrow a^c = b [/tex]
So , that
[tex]\longrightarrow 7^2 = 2x + 17 [/tex]
Simplify ,
[tex]\longrightarrow 49 = 2x + 17 [/tex]
Subtract 17 from both sides ,
[tex]\longrightarrow 2x = 32 [/tex]
Divide both sides by 2 ,
[tex]\longrightarrow x = 16 [/tex]
Hence the required answer is 16 .
Refer to the attachment!
90 degree angle is divided into two sides
Answers:
3x + 40 =64
4x - 6 =26
Step-by-step explanation:
So we are dealing with 2 complementary angles with both add up to 90 degrees. We can write an equation that shows this:
(3x+40) + (4x-6) = 90
Combine like terms
7x + 34 =90
Isolate x
7x = 56
x = 8
Now that we found x, all we have to do is substitute it in the equations:
3x + 40 = ?
3(8) +40 = ?
24+40 = ?
64 = ?
4x - 6 = ?
4(8) - 6 = ?
32 - 6 = ?
26 = ?
Answer:
3x+40= 66
4x-6= 26
Step-by-step explanation:
3x+40+4x-6=90˚ (because the square on the angle represents a 90˚)
Add 4x and 3x
Which is 7x
40 minus 6 is 34
The equation now looks like this:
7x+34=90˚
Subtract 34 on both sides:
7x=56
Divide 7 on both sides:
x=8
For 3x+40
Substitute x with 8
the equation now looks like this:
24+40 Which is 66
For 4x-6
4 times 8 is 32
32 minus 6 which is 26
Hope this helps!
aling mely bought 1 3/4kg of cashew nuts, 5/8 od peanuts, and 1 1/2 kg of pimnuts.how many kilogram of nuts did she buy.
Answer:
Aling Mely buy 31/8 kg or 3.875 kg or 3 7/8 kg of nuts.
Step-by-step explanation:
Answer:
Step-by-step explanation:
[tex]1 \dfrac{3}{4}+ \dfrac{5}{8}+ 1\dfrac{1}{2} = \dfrac{7}{4}+ \dfrac{5}{8} + \dfrac{3}{2}\\\\\\LCM = 8\\\\= \dfrac{7*2}{4*2}+ \dfrac{5}{8}+ \dfrac{3*4}{2*4}\\\\\\= \dfrac{14}{8}+ \dfrac{5}{8}+ \dfrac{12}{8}\\\\\\= \dfrac{14+5+12}{8}= \dfrac{31}{8}\\\\\\= 3 \dfrac{7}{8} \ Kg[/tex]
You are employed by the Indiana Pacers to model attendance at their regular season basketball games. Paid attendance is your dependent variable, and you employ a variety of independent variables: the Pacers' current winning percentage (WINPCT), their opponents current winning percentage (VISPCT), the number of all-star votes received by the visiting team, in millions (ALLSTAR), the fraction of minutes played by foreign players on the visiting team (FOREIGN), and the number of home games for the Pacers in the next week (NEXTWEEK). Your regression output is presented below.
Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations 164 ANOVA df SS MS Regression 46772032 9354406 Residual 95614595 605155.7 Total 142386627 Coefficients Standard Error t Stat Intercept 12300.869 357.106 34.446 WINPCT 1966.862 580.215 3.390 VISPCT 1477.604 359.496 4.110 ALLSTAR 769.433 112.472 6.841 FOREIGN -503.472 NEXTWEEK -150.563 60.396 -2.493 You included the fraction of minutes played by foreign players on the visiting team (FOREIGN) because one of the Pacers executives believed that foreign players decrease attendance. How would you respond to the executives claim?
You included the fraction of minutes played by foreign players on the visiting team (FOREIGN) because one of the Pacers executives believed that foreign players decrease attendance. How would you respond to the executives claim?
Select one:
a. "You are correct: a team composed entirely of foreign players would draw 503 fewer fans than a team composed entirely of domestic players."
b. "You are correct: a team composed entirely of foreign players would draw on average 503 fewer fans than a team composed entirely of domestic players."
c. "You are incorrect: my model proves that the percentage of foreign players has no effect on attendance."
d. "You are incorrect: foreign players actually increase attendance."
e. "You may or may not be correct: we have insufficient evidence in this model that foreign players decrease attendance." Clear my choice
Your response to the executive's claim should be: E. You may or may not be correct: we have insufficient evidence that foreign players decrease attendance.
What is a least-squares regression?
A least-squares regression line can be defined as a standard technique in regression analysis and statistics that is used to make the vertical distance obtained from the data points running through a regression line to become very minimal or as small as possible.
In this scenario, the inclusion of the fraction of minutes played by foreign players on the visiting team (foreign) may or may not be correct because we do not have sufficient evidence in this regression model that highlighted (depicted) foreign players decrease attendance.
Read more on regression here: https://brainly.com/question/26059078
ariel age is twice that of her brother Ben. The sum of their age is 24. Find their ages.
Please help :)
After all the taxes are withheld, Jules's take home pay is about 72% of his total earnings. Estimate his take home pay if his total earnings for the pay period are $240.
Answer:
172.8
Step-by-step explanation:
72% of 240 is 172.8
You can estimate it by rounding 172.8 to $173
Jules's take $173 for home pay.
What is Percentage?
A relative value indicating hundredth part of any quantity is called percentage.
Given that;
Total earning of Jules's = $240
He take home pay is about 72%.
Now,
Amount for take home pay = 72% of $240
It can be solve as;
72% of $240
72% × 240
72/100 × 240
72/10 × 24
172.8
After estimating we get;
Amount for take home pay = $173
Thus, Jules's take $173 for home pay.
Learn more about the percentage visit:
https://brainly.com/question/548162
#SPJ5
Which angle is adjacent to <1?
What is the sale price of a $300 mountain bike that is on sale for
50% off?
Answer:
$150
Step-by-step explanation:
To find the sale price of the mountain bike, you would need to find 50% of $300, which would be
300*0.5=150
Therefore, the sale price would be $150.
I hope this helps!
Answer: 150 dollars
Step-by-step explanation:
fifty percent of three hundred is 150
Y=-4(x+1)^2 -8 PLEASE HELP!!
Answer:
Flipped over x-axis, Stretched by 4 times in y values, 1 unit to the left, and 8 units down.
Step-by-step explanation:
Sign in front, outside of parentheses, if negative, represents a vertical flip.
Multiple proceeding is the amount of stretch (or compression if it is a value less than 1)
A positive value within the parentheses represents a shift to the left.
The c value of this function being negative shows a downward transition.
George has four boards that are each 43 feet long and two that are 5.75 feet long.
What is the total length of all the boards together? Give your answer as a decimal.
Answer:
183.50 feet
Step-by-step explanation:
43*4=172
5.75*2=11.50
172+11.50=183.50
183.50 feet
I have to get this done by today pls help me
Answer:
1.6 hours to travel 800 miles
Step-by-step explanation:
what's the sum of 14 12 8 6
Answer:
40
Step-by-step explanation:
14 + 12 + 8 + 6 = 40
Answer:
40
Step-by-step explanation:
14+12=26+8=34+6=40
Which shows the integers in
order from greatest to least?
o) 8,-9,-10, 11
p) -1, 48, -50, -97
q) 23,0, -4,-52
r) -63,-59,-16,0
Pls answer asap
Answer:
Q: 23, 0, - 4, - 52
Step-by-step explanation:
HAVE A GREAT DAY
how do you factor 3x^2-3x-90
3x^2 - 3x -90
=3 (x^2 - x -30)
=3 (x^2 −6x+5x−30)
=3(x(x−6)+5(x−6))
=3(x−6)(x+5)
A machine packs 180 boxes of cereal in a half-hour. It takes 55 minutes to pack 330 boxes. True or False?
Find the GCF of 21m5n2 and 28m4n2.
