Answer:
7i..........................
What is the number in standard form?
5.708×10−8
Answer:
49.08
Step-by-step explanation:
Im right trust me
Apple products have become a household name in America with 51% of all households owning at least one Apple product (CNN, March 19, 2012). The likelihood of owning an Apple product is 61% for households with kids and 48% for households without kids. Suppose there are 1,200 households in a representative community, of which 820 are with kids and the rest are without kids. Let event A correspond to "Household with kids", and B to "Household owns an Apple product". a. Are the events "household with kids" and "household without kids" mutually exclusive and exhaustive? Yes No b. What is the probability that a household is without kids? (Round your answer to 4 decimal places.) c. What is the probability that a household is with kids and owns an Apple product? (Do not round intermediate calculations. Round your answer to 4 decimal places.) d. What is the probability that a household is without kids and does not own an Apple product? (Do not round intermediate calculations. Round your answer to 4 decimal places.)
Answer:
a. Yes.
b. The probability that a household is without kids:
= 0.3167
c. The probability of a household is with kids and owns an Apple product:
= 61%
d. The probability that a household is without kids and does not own an Apple product:
= 52%
Step-by-step explanation:
a) Data and Calculations:
Probability of a household owning an Apple product = 51%
This implies that the probability of a household not owning an Apple product = 49% (100 - 51)%.
Probability of a household with kids owning an Apple product = 61%
This implies that the probability of a household with kids not owning an Apple product = 39% (100 - 61)%.
Probability of a household without kids owning an Apple product = 48%
This also implies that a household without kids not owning an Apple product = 52% (100 - 48)%.
Sample of households = 1,200
Households with kids = 820
Probability of households with kids = 0.6833 (820/1,200)
Therefore, the probability of households without kids = 0.3167 (380/1200)
b) The events "household with kids" and "household without kids" are mutually exclusive and exhaustive because (a) the two events are separate and do not overlap and (b) the two events are inclusive of all possible options. It is either a household has kids or it does not. In this situation, no middle ground exists.
Find the decimal that is equivalent to 4/9
A. 0.4
_
B. 0.4
C. 2.25
_
D. 0.04
Answer:
B)
Step-by-step explanation:
4/9 = 0.4444444....
There are 11 students in your class. In how many ways a group of 4 students will be
selected to participate in a social campaign such that you will always be included in
the group to lead the event?
Answer:
Step-by-step explanation:
If you are always included to lead, that leaves 10 students to choose from.
If all that is important is being selected, then there are 10C3 = 120 ways to choose them.
If each selection has a unique duty, then there are 10P3 = 720 ways to assign them their jobs.
Answer: 10P3=720
Step-by-step explanation:
Challenger Elementary School has 800 students. Every Wednesday, 12% of the students stay after school
for Chess Club.
How many students attend Chess Club on Wednesdays?
Answer:
96
Step-by-step explanation:
to be honest i just looked it up on google
Pls help
What is the range of the function graphed above?!!!!
A plane is a ______ figure. The intersection of two planes that do not coincide (if it exists) is a ________
. a) 1. one dimensional b) 1. point
2. two dimensional 2. line
3 three dimensional 3. angle
Answer:
a) 2. Two dimensional
b) 2.Line
Can someone please help, ty!!
Answer:
Option 1
Explanation:
The coordinates provided are found in option 1.
put this in radical form
3 / 4 ^ 2 , ILL MARK BRAINLIST
3. Error Analysis Isabel says that the equation x - 2 = -(x - 2) has no
solution because a number can never be equal to its opposite. Explain the
error Isabel made
Given:
The equation is
[tex](x-2)=-(x-2)[/tex]
Isabel says that the given equation has no solution because a number can never be equal to its opposite.
To find:
Isabel's mistake.
Solution:
Her reason "a number can never be equal to its opposite" is not correct.
Zero is a number that can be equal to its opposite.
So, the given equation has solution for which LHS=RHS=0.
We have,
[tex](x-2)=-(x-2)[/tex]
[tex]x-2=-(x)-(-2)[/tex]
[tex]x-2=-x+2[/tex]
Add x and 2 on both sides.
[tex]x-2+x+2=-x+2+x+2[/tex]
[tex]2x=4[/tex]
Divide both sides by 2.
[tex]x=\dfrac{4}{2}[/tex]
[tex]x=2[/tex]
So, the given equation has a solution x=2.
What is the solution to -2|x-1|+3=2/5x-11/5
Answer:
x = 3x = -2(it has two solutions)
I hope this helps!
williams only has 1 3/4cups of flour ,so he only make 2/3 0f a batch of biscuits. how much flour is needed for a full batch of biscuits?
Answer:
2 5/8 cups of flour
Step-by-step explanation:
Use a proportion.
1 3/4 cups of flour is to 2/3 of a batch as x cups of flour is to 1 batch.
1 3/4 : 2/3 = x : 1
2/3 x = 1 3/4 * 1
2/3 x = 1 3/4
2/3 x = 7/4
3/2 * 2/3 x = 3/2 * 7/4
x = 21/8
x = 2 5/8
Answer: 2 5/8 cups of flour
The triangles below are similar.find x
Answer: 123.5
Step-by-step explanation:
x=123.5
you divide similar sides (39/6) to get 6.5
then multiply 19 by 6.5 to get 123.5
Joe has to build a wall that has 10 rows of bricks.
There will be 142 bricks in each row.
Q. How many bricks does Joe need?
Answer:
1420 bricks
Step-by-step explanation:
10 rows x 142 bricks in each row = 1420 bricks
720,080 in expanded form with exponents. (7*10^5)+
Answer: 700,000 + 20,000 + 80 = 720,080
Step-by-step explanation:
Chris bought 10.4 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closest to the number of liters of gasoline Chris bought?pls show work
Answer:
39.52 Liters
Step-by-step explanation:
Chris has 10.4 Gallons of gasoline, which needs to be converted into Liters. This is done by multiplying the number of Liters there are in 1 Gallon.
[tex]10.4*3.8=39.52[/tex]
or you can set it up in a fraction and cross multiply to cancel out the units in Gallons
[tex]10.4G*\frac{3.8L}{1G}=39.52 L[/tex]
A polling organization asked a nation-wide random sample of 1600 new brides (those who got married in the past 2 years) the following question: "How much money did your wedding cost?" The sample average was about $20,000 with a SD of about $5,000. What most closely resembles the relevant box model? Incorrect It has 1600 tickets marked with "0"s and "1"s. Correct: It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively. Incorrect It has millions of tickets. The average of the tickets is exactly $20,000 and the SD is exactly $5,000. Incorrect It has millions of tickets marked with "0"s and "1"s, but the exact percentage of each is unknown.
Answer:
It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.
Step-by-step explanation:
Given that:
sample size n = 1600
sample mean [tex]\overline x[/tex] = 20000
standard deviation = 5000
The objective is to choose from the given option about what most closely resembles the relevant box model.
The correct answer is:
It has millions of tickets. On each ticket is written a number a dollar amount. The exact average and SD are unknown but are estimated from the sample to be $20,000 and $5,000 respectively.
However, if draws are made without replacement, the best estimate of the average amount for the bride will be $20,000
Similarly, the standard error for the sample mean = [tex]\dfrac{s}{\sqrt{n}}[/tex]
[tex]= \dfrac{5000}{\sqrt{1600}}[/tex]
[tex]= \dfrac{5000}{40}}[/tex]
the standard error for the sample mean = 125
find the percent change from 50 to 22
Answer:
28
Step-by-step explanation:
50 - 22 = 28
Answer:
56% decrease or -56.00%
Step-by-step explanation:
1) Find the difference between 50 and 22 as a number.
2) Divide the result from Step 1 by the starting number 50.
3) Multiply the result from Step 2 by 100 to get it in terms of percent.
The three steps above can be made into a formula. Thus, to find the percent change from 50 to 22, we use this formula:
((Y-X)/X)*100 = Percent Change
X is the starting number 50, and Y is the ending number 22 that it changed to When we enter these numbers into the formula, we get:
((22-50)/50)*100 = -56.00%
Explain the mistake made
in the work shown below.
8x + 22 = 2x + 42
10x + 22 = 42
10x = 20
x=2
Answer:
The added both 8x+2x when they were suppose to subtract 8x-2x
Step-by-step explanation:
8x+22= 2x+42
6x= 42-22
6x= 20
x= 3.3 repeating
Answer:
step 2
Step-by-step explanation:
8x + 22 = 2x +42
8x - 2x +22 =42
6x + 22 = 42
6x = 42 -22
6x = 20
x = 20÷ 6
x = 10/3
240−4g−g and 240−(4g−g) for g=40
Answer:
40
120
Step-by-step explanation:
Step 1: Write expressions
240 - 4g - g
240 - (4g - g)
Step 2: Simplify expressions
240 - 5g
240 - 3g
Step 3: Substitute g
240 - 5(40) = 40
240 - 3(40) = 120
Kelly weekly salary of 300 plus a 20 commission her sales Create a table values when yKelly's weekly pay is the amount of sales Kelly makes in a week. From the tablewrite an equation and create a Braph the equation picture your work in the space below. Amount of sales In the weekweekly
Find (5.2 x 107)(5 x 108) (3.2 x 106)(5 x 105) , expressed in scientific notation. A) 1.625 x 104 B) 1.625 x 105 C) 8.125 x 104 D) 8.125 x 105
Answer:
I think it is A) 1.625 x 10^4
Bob, Joe, Pete, Tom, Dane, and Tim share s sandwiches. How many sandwiches does each boy get?
Answer:
s/4
Step-by-step explanation:
you need to divide the total amount of sandwiches by 4 boys
the train from Geneva Switzerland to Milan Italy travels at 100 miles per hour and the two cities are 200 miles apart how long does the journey from Geneva to Milan take
Answer:
2 hours
Step-by-step explanation:
Answer: the journey will take you 2 hours.
Step-by-step explanation:
Rewrite in simplest terms: (3x + 2) + (-10x – 3)
Answer:
[tex]\boxed {\tt -7x-1}[/tex]
Step-by-step explanation:
We are given the expression:
[tex](3x+2)+(-10x-3)[/tex]
Combine like terms.
The terms with variables can be combined, then the terms without variables (constants) can be combined.
[tex](3x+-10x)+(2+-3)[/tex]
[tex](3x-10x)+(2-3)[/tex]
Subtract 10x from 3x.
[tex](-7x)+(2-3)[/tex]
Subtract 3 from 2.
[tex](-7x)+(-1)[/tex]
[tex]-7x-1[/tex]
The simplified expression is -7x-1
Use a calculator to see what would happen if you used a credit card to pay the minimum monthly payment. Calculate using the following information: Cost of computer (balance): $600 Annual percentage rate (APR): 12.9% Total duration of payments: 2 years Use the simple interest formula: A = (P)(r)(t) If you make only the minimum payment each month, what will the total cost of the computer be?
Answer:
C. $755 i got it right
Step-by-step explanation:
If you make only the minimum payment each month, the total cost of the computer will be $755.00, which is $155 more than the original cost of the computer ($600).
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
To calculate the total cost of the computer if you make only the minimum payment each month, we need to use the simple interest formula:
A = P(1 + rt)
where A is the total amount paid, P is the principal or balance, r is the annual interest rate expressed as a decimal, and t is the time in years.
P = $600
r = 12.9% or 0.129 (annual interest rate)
t = 2 years
To find the monthly interest rate, we divide the annual interest rate by 12 (the number of months in a year):
Monthly interest rate = 0.129 / 12 = 0.01075
Now, we can use this monthly interest rate to calculate the minimum monthly payment:
Minimum monthly payment = 1% x P = 0.01 x $600 = $6
Therefore, the minimum monthly payment is $6.
To find the total cost of the computer over the 2-year period, we need to calculate the total amount paid (A) by making the minimum monthly payment each month:
A = P(1 + rt)
A = $600(1 + 0.01075 x 2 x 12)
A = $600(1 + 0.258)
A = $755.00
Therefore, if you make only the minimum payment each month, the total cost of the computer will be $755.00, which is $155 more than the original cost of the computer ($600).
To learn more on Percentage click:
https://brainly.com/question/24159063
#SPJ3
Find x in the diagram below.
Answer:
80
Step-by-step explanation:
What is the value of 2(7-15)
4
0 0
-2
2
4
Answer:
-16 should be the answer
Step-by-step explanation:
According to PENDAS you always to parentheses first so (7-15)= -8 you then multiply that by 2 and get -16.
Hope this helps.
Simplity 5x 2x + 7
Answer:
7x + 7
Step-by-step explanation:
7x + 7
5x + 2x = 7x
7x + 7
Answer: 10x + 7
Step-by-step explanation: 5x x 2x = 10x, then keep the 7.
Hope this helps! : )
choose the fraction that has not been reduced to simplest form
19/38
10/19
21/34
15/18
Answer: The answer is A
