Suppose you want to find the average household income in America. So you pick 10 households from each state (a total of 500 households) and find their income.
What is the population? What is the parameter you want to find?
Answers
Answer:
Step-by-step explanation:
The purpose of the experiment is to find the average or mean amount of household income in America.
Household Income simply means the total income of a household - which is the sum of income earned by each member of the household. This study aims to find the average of this household, across the Americas.
For your analysis, you pick 10 households from each state of the country (or continent). A total of 500 households implies 500/10 = 50 states
WHAT IS THE POPULATION?
The population in this study is: the total population of American households OR the total number of households in America. The sample on the other hand, is the 500 households directly involved in the study.
WHAT IS THE PARAMETER YOU WISH TO FIND?
The parameter you wish to find is: mean (or average) household income in America.
Related Questions
Which shape has 5 faces, 8 edges and 5 vertices?
Answers
Answer:
Square pyramid
Step-by-step explanation:
It do that the thing okay yes
Answer:
Square-based pyramid,
Step-by-step explanation:
A pyramid itself has 5 faces.
8 edges connecting the faces,
5 vertices where the faces meet at a point/end.
5y+ 9< 24 what is the inequality?
Answers
Answer:
y<3
Step-by-step explanation:
Let's solve your inequality step-by-step.
5y+9<24
Step 1: Subtract 9 from both sides.
5y+9−9<24−9
5y<15
Step 2: Divide both sides by 5.
5y/5 < 15/5
y<3
Bruce invested $420 at a rate of 4% per year compound interest. Calculate the total amount Bruce has after 2 years. Give your answer correct to 2 decimal places
Answers
Answer:
436.96
Step-by-step explanation:
Using the compoybd interest formula A=P(1+R÷N)^nt
A= Final amount 436.96
P= Initial Balance 420
r= interest rate 4%
n= number of times interest applied per time period 2
t = number of times periods elapsed 2
Bruce gets total $454.272 amount after 2 years.
What is compound interest?Interest accrued on both the principal sum of money and the interest already earned.
The formula for compound interest is p(1+r/100)ⁿ - p
Where p is principal, r is rate and n is time.
Given that,
The amount invested by Bruce p = $420.
The rate of interest that compounded yearly r = 4%.
Time duration n = 2 years
To find the amount at the end of two year,
Amount = p(1+r/100)ⁿ
Substitute the values here,
Amount = 420 (1 + 4 / 100)²
= 420 (104/100)²
= 420 x (1.04)²
= 420
= 454.272
The amount after 2 years is $454.272.
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One leg of a triangle has a length of 3m. The other sides have lengths that are consecutive integers find these lengths
Answers
The length of the other two sides are 4m and 5m
How to determine the lengthsUsing the Pythagorean theorem, we have that the square of the hypotenuse sides is equal to the sum of the squares of the other two sides of the triangle
This is represented as;
x² = y² + z²
From the information given, we have that;
z = 3m
x = x + 1
y = x
Substitute the values, we get
(x + 1)² = x² + 3²
Find the squares
(x + 1) ² = 9 + x²
expand the bracket
(x + 1) ( x + 1) - x² = 9
x² + x + x + 1 - x² = 9
collect like terms
2x = 8
x = 4
Then,
x + 1 = 5
x = 4
Hence, the values are 4m and 5m
Learn about triangles on:
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I Need help plz will give brainlyist for the correct answer
Answers
Materials costs of $600,000 and conversion costs of $642,600 were charged to a processing department in the month of September. Materials are added at the beginning of the process, while conversion costs are incurred uniformly throughout the process. There were no units in beginning work in process, 100,000 units were started into production in September, and there were 8,000 units in ending work in process that were 40% complete at the end of September.
What was the total amount of manufacturing costs assigned to those units that were completed and transferred out of the process in September?
a. $552,000.
b. $1,173,000.
c. $1,242,600.
d. $1,275,600.
Answers
Answer:
C.$1,242,600
Step-by-step explanation:
Hope it helps
What is the difference?
-3 2/3 - (-2 1/4)
Answers
let's firstly convert the mixed fractions to improper fractions.
\(\stackrel{mixed}{3\frac{2}{3}}\implies \cfrac{3\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{11}{3}}~\hfill \stackrel{mixed}{2\frac{1}{4}} \implies \cfrac{2\cdot 4+1}{4} \implies \stackrel{improper}{\cfrac{9}{4}} \\\\[-0.35em] ~\dotfill\\\\ -\cfrac{11}{3}-\left( \cfrac{9}{4} \right)\implies -\cfrac{11}{3}+\cfrac{9}{4}\implies \cfrac{-(4)11~~ + ~~(3)9}{\underset{\textit{using this LCD}}{12}} \\\\\\ \cfrac{-44+27}{12}\implies \cfrac{-17}{12}\implies {\Large \begin{array}{llll} -1\frac{5}{12} \end{array}}\)
6-4x=7x-9x+6 what is he value of x?
Answers
6-4x=-2x+6
0=6x
Divide over the equals sign:
x=0
x = 0
Step-by-step explanation:
\({ \blue{ \sf{6 - 4x = 7x - 9x + 6}}}\)
\({ \blue{ \sf{6 - 4x = -2x + 6 }}}\)
\({ \blue{ \sf{6 - 6 - 4x = -2x }}}\)
\({ \blue{ \sf{ 0 = - 2x}}}\)
Divide both the sides by -2
\({ \blue{ \sf{ \frac {0}{2} = {- \frac {2}{2}x}}}} \)
x = 0
Y
P
Q
S
R
Part A
Rectangle PQRS is rotated 90° counterclockwise about the origin to create rectangle PQR'S' (not shown). What are the coordinates of point R?
0 (-7,6)
O (7,6)
• (-6,7)
O (6,7)
Part B
Answers
Answer:
The coordinates of point R are (7,6), second option
Step-by-step explanation:
Coordinates of point R:
The coordinates of point R are , so (6,-7).
90° counterclockwise rule:
The rule for a rotation of 90º counterclockwise is given by:
(x,y) -> (-y,x)
What are the coordinates of point R?
(6,-7) -> (-(-7),6) = (7,6).
The coordinates of point R are (7,6), second option
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!
It takes a total of 6 hours to fill up an inground backyard pool using a standard hose. A function can represent this situation to represent the amount of water in the pool until it is full as a function of the time the hose is running. Determine the domain for this function. (1 point)
A.The domain is all integers from 0 to 6 hours.
B. The domain is all even integers from 0 to 6 hours.
C. The domain is all real numbers from 0 to 6 hours.
D. The domain is all positive real numbers.
Answers
Answer:
C.
Step-by-step explanation: the domain is all even integers from 0 to 6 hours
A hair dryer has a power of 1,200 W. How much electrical energy does it use in minutes?
Answers
Answer:
r 0.6 kWh to run for 30 minutes.
Answer:
ok so it takes 1200 watts for a hair dryer to run for a full hour, that means it takes 600 watts, or 600 Wh, or 0.6 kWh to run for 30 minutes
Step-by-step explanation:
.
1 Briefly explain the difference between an employee and an employon
Answers
Answer:
Employers such as a company or organization that provide service or product to the employee and any person hire service from the employer, for which the employee has to pay. An employee is an individual or organization that work full time or part-time according to requirements and receive compensation for the services.
Step-by-step explanation:
It is likely that the car will have a navigation system. What could be the probability that it will have a navigation system?
(A) 1
(B) 0
(C) 1/8
(D) 2/3
Answers
Answer:
not sure but could be D
Step-by-step explanation:
since most cars nowdays do have them the probability of it having navigation could be 66.6% which is 2/3 x 100
the sum of four number is 20500.three of the numbers are 2341.578 and 10690.What is the fourth number?
Answers
Answer:
5216.844
Step-by-step explanation:
Let x be the fourth number.
We know that the sum of the four numbers is 20500:
2341.578 + 10690 + x + 2341.578 = 20500
Simplifying and solving for x:
x = 20500 - 2341.578 - 10690 - 2341.578
x = 5216.844
If you draw a card from a standard deck of 52 playing cards, what is the probability that it is a heart or a diamond?
Answers
Answer:
1/2
Step-by-step explanation:
In a deck of cards, there are 13 hearts and 13 diamonds
13+13 = 26 hearts or diamonds
P( hearts or diamonds) = numbers of hearts or diamonds / total
=26/52
= 1/2
Factor x^3-12x+16. Show all work.
Answers
Answer: \((x-2)^{2}(x+4)\)
Step-by-step explanation:
For \(x^{3} - 12x + 16\) we can test out different values of x until the polynomial is zero, in this case 2 works so we can use long division or seperation of terms and factoring. But to show work, I will use seperation and factor.
\(x^{3} - 12x + 16 = x^{3} - 8 - 12x + 24\) = \((x-2)(x^{2}+2x+4) -12 (x-2)\)
= \((x-2)(x^{2}+2x-8)\)
Then we can factor the second-degree polynomial to get\((x-2)(x+4)(x-2)\) or \((x-2)^{2}(x+4)\)
Which property is illustrated by the statement 6 X 4=4 X 6?
Answers
Answer:
Commutative property
Step-by-step explanation:
transformed to create the graph of Y3x?
How is the graph of the parent function
O It is horizontally stretched by a factor of 3 and reflected over the y-axis.
It is translated 3 units down and reflected over the x-axis
It is horizontally compressed by a factor of 3 and reflected over the x-axis
It is translated 3 units down and reflected over the y-axis.
Answers
Answer:
The graph of the parent function y = 2^x can be transformed to create the graph of y = 2^(3x) by horizontally compressing by a factor of 3. Therefore, the correct answer is C.
Let's roll two dice and find the probability of rolling a certain sum. Is this a simple or compound event?
Two dice - Red and Blue
Recall that a simple event has one and only one outcome of interest. In this example, we are rolling two dice, but we are only interested in one outcome, the sum of the two dice. This is a simple event.
What is the probability of:
Rolling a sum of 1?
Rolling a sum of 3?
Rolling a sum of 12?
Rolling a sum of 7?
Since we are rolling a pair of dice and looking for the sum, the sample space is a little more complicated than rolling one die. The chart below will help us determine the possible outcomes. The top row indicates the numbers on the sides of the blue die and the first column represents the number on the sides of the red die. The white area indicates the sum of the numbers in the row and column.
# Rolled 1 2 3 4 5 6
1 1+1=2
1
+
1
=
2
1+2=3
1
+
2
=
3
1+3=4
1
+
3
=
4
1+4=5
1
+
4
=
5
1+5=6
1
+
5
=
6
1+6=7
1
+
6
=
7
2 2+1=3
2
+
1
=
3
2+2=4
2
+
2
=
4
2+3=5
2
+
3
=
5
2+4=6
2
+
4
=
6
2+5=7
2
+
5
=
7
2+6=8
2
+
6
=
8
3 3+1=4
3
+
1
=
4
3+2=5
3
+
2
=
5
3+3=6
3
+
3
=
6
3+4=7
3
+
4
=
7
3+5=8
3
+
5
=
8
3+6=9
3
+
6
=
9
4 4+1=5
4
+
1
=
5
4+2=6
4
+
2
=
6
4+3=7
4
+
3
=
7
4+4=8
4
+
4
=
8
4+5=9
4
+
5
=
9
4+6=10
4
+
6
=
10
5 5+1=6
5
+
1
=
6
5+2=7
5
+
2
=
7
5+3=8
5
+
3
=
8
5+4=9
5
+
4
=
9
5+5=10
5
+
5
=
10
5+6=11
5
+
6
=
11
6 6+1=7
6
+
1
=
7
6+2=8
6
+
2
=
8
6+3=9
6
+
3
=
9
6+4=10
6
+
4
=
10
6+5=11
6
+
5
=
11
6+6=12
6
+
6
=
12
How many outcomes are in the sample space? Answer
Answers
Answer:
the answer to your question how many outcomes is really gonn adepend on you you slove you problem but my amswer is gonna be 7.
PLS HELP MY GRADE DEPENDS ON IT
Image is attached below
Answers
Answer: the first one
Step-by-step explanation: head math
14. Solve y2 + 4y - 32 = 0 using the zero product property.
O A. y = 8,4
O B. y = -8,4
O c. y = -8,6
O D. y = 3
Answers
Answer: B. y = -8, 4
Step-by-step explanation:
Given expression
y² + 4y - 32 = 0
Cross factorize the expression
y 8
y -4
Factorize the expression
(y + 8) (y - 4) = 0
Finalize the factor of the expression by the zero product property
\(\boxed{y=-8,4}\)
Hope this helps!! :)
Please let me know if you have any questions
What is the equation for the line of reflection?
x=6
y=6
y=x
y=2
Answers
A: x=6
B: y=6
C: y=x
D: y=2
Then I believe your answer is x=6, or A.
The line of reflection is a line which divides the graph so that both sides essentially represent a mirror; so both sides should look like they’re reflected across one point. This point is your line of reflection, in this problem you simply have to look for where that line would be, draw a line straight down; you go through 6 on the X axis. Usually Y=[number] is a line going across whereas X=[number] is a line going up and down so from there you know it has to be the up-and-down line, x.
Collin invests $100 each in two accounts. Account 1 earns 0.25% compound interest monthly, and Account 2 earns 0.25% simple interest monthly. Write two functions that model each account's balance in dollars, after t months.
Account 1: B1(t)=100(1.0025)t;
Account 2: B2(t)=100+0.25t
Account 1: B1(t)=100(1.0025)t;
Account 2: B2(t)=100+25t
Account 1: B1(t)=100(1.025)t;
Account 2: B2(t)=100+0.25t
Account 1: B1(t)=100(1.025)t;
Account 2: B2(t)=100+25t
Answers
Answer:
D
Step-by-step explanation:
Help!
Which expression is equivalent to—
Answers
Answer:
2a
Step-by-step explanation:
\( \frac{4a + 4}{2a} \times \frac{ {a}^{2} }{a + 1} \)
➡️ \( \frac{4(a + 1)}{2} \times \frac{a}{a + 1} \)
➡️ \( = 2a\) ✅
I Desperately need help
Answers
Answer:
hi
Step-by-step explanation:
Mr. Chow is buying rolls of paper for the school. This is a list of the suppliers, the size of their rolls, and their cost per roll. Supplier X sells 25 meter rolls for $18.98.
Supplier Y sells 30 meter rolls for $21.89.
Supplier Z sells 40 meter rolls for $29.59.
To the nearest cent, what is the cost per meter for a roll of paper from the LEAST expensive supplier?
A. $0.72 per meter
B. $0.73 per meter
O O O
C. $0.74 per meter
OD. $0.75 per meter
E. $0.76 per meter
Answers
Answer:
B.
Step-by-step explanation:
I rounded to the nearest cent and got the cost of 73 cents per meter.
Which expression represents a cube root of 1 + i?
OVE (cos()+ i sin (24))
OVE (cos (37) + i sin (3))
/
O & (cos (4) + i sin (24))
V2 (cos (37) + 1 sin (37))
Answers
Answer:c
Step-by-step explanation is va cuz when your multiply:
Answer:
\(\sqrt[6]{2}\left(\cos\left(\frac{3\pi}{4}\right)+i\sin\left(\frac{3\pi}{4}\right)\right)\)
Step-by-step explanation:
The analysis is as attached below.
What is the GCF of 22 and 32?
Answers
Answer:
The GFC of 22 and 32 is 2
Step-by-step explanation:
Find the exact value
Answers
Answer:
yrdfcghftfc 6
Step-by-step explanation:
jhfbvnhjyffvb
60ft by 60ft wall and a mirror that’s 60ft by 20ft the mirror covers wat percent of the wall?
Answers
Answer:
okay, so we have a wall that is 60 ft. The area of the wall because the wall is a square is just side squared. So the area of the wall is \(60^{2}\), which is 30 600 square feet. The mirror is 20 ft by 60 ft. So the area of the mirror, because its a rectangle is length times width, so that's 20 a 60 so 20 x 60 is gonna give me 1200 square feet. So if we take the area of the mirror and put that over the area, the wall we get 1200 over 30 600, which reduces to one over three. So the mirror is one third the area of the wall.
Step-by-step explanation: