Answer:
1. No
2. He needs $ 22 more
Explanation:
$71 × 2 = $ 142
$ 142 - $ 120 = $ 22
Find the range of the function
Answer:
y€ R : y greater than or equal to 1
Simplify (x + 3)2 + 4
Answer:
2x+10
Step-by-step explanation: First you have to distribute the two, into the parenthesis. Which brings it to 2x+6+4 and then you just combine the 6 and 4 making it a ten so 2x+10
Write the word sentence as an inequality
A number y plus 2 is greater than - 5
Answer:
The answer is y + 2 >-5
Step-by-step explanation:
um I'm supposed to fill in this part for 20 characters
A) Suppose the true proportion of voters in the county who support a specific candidate is 0.65. Consider the sampling distribution for the proportion of supporters with sample size n = 99.-What is the mean of this distribution?-What is the standard error (i.e. the standard deviation) of this sampling distribution, rounded to three decimal places
The mean of the sampling distribution is 0.65, and the standard error (standard deviation) is approximately 0.048, rounded to three decimal places.
The mean and standard error of the sampling distribution with a sample size n = 99 and a true proportion of 0.65:
1. Determining mean of the proportion distribution:
The mean of the proportion distribution is equal to the true proportion (p) of voters who support the specific candidate.
Mean = p = 0.65
2. Calculating the standard error (standard deviation) of the sampling distribution:
Standard error = √[(p * (1 - p)) / n]
where p is the true proportion (0.65)
n is the sample size (99).
Standard error = √[(0.65 * (1 - 0.65)) / 99]
= √[(0.65 * 0.35) / 99]
= √0.002299
≈ 0.048
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Need help on 10 and number 11
Answer:
Here are six common ones. Lack of sleep. Not getting enough sleep is perhaps the greatest unappreciated cause of forgetfulness. Too little restful sleep can also lead to mood changes and anxiety, which in turn contribute to problems with memory.Apr 18, 2020
Step-by-step explanation:
Here are six common ones. Lack of sleep. Not getting enough sleep is perhaps the greatest unappreciated cause of forgetfulness. Too little restful sleep can also lead to mood changes and anxiety, which in turn contribute to problems with memory.Apr 18, 2020
Here are six common ones. Lack of sleep. Not getting enough sleep is perhaps the greatest unappreciated cause of forgetfulness. Too little restful sleep can also lead to mood changes and anxiety, which in turn contribute to problems with memory.Apr 18, 2020
A square has a diagonal that is 22 m long. What is the area of the square?
If necessary, round your answer to the nearest whole number.
The Bike Rental Shop charges $12
plus $9 an hour for renting a bike.
Darnell paid $57 to rent a bike. How
many hours did he pay to have the
bike checked out?
Answer:
5 hours
Step-by-step explanation:
Let x represent the number of hours
12 + 9x = 57
9x = 57 - 12
9x = 45
x = 5
The Marist Poll published a report stating that 66% of adults nationally think licensed drivers should be required to retake their road test once they reach 65 years of age. It was also reported that interviews were conducted on 1,018 American adults, and that the margin of error was 3% using a 95% confidence level. Which of the following statements CAN NOT be inferred from the information provided? o Since the random sample is collected from less than 10% of the population (1,018 is less than 10% of US population), the independence assumption is NOT satisfied. o The success-failure condition is satisfied. o A 95% confidence interval for the proportion of adults who think that licensed drivers should be required to re-take their road test once they reach 65 years of age is (63%, 69%)
The statement that cannot be inferred from the information provided is:
"Since the random sample is collected from less than 10% of the population (1,018 is less than 10% of US population), the margin of error is likely to be much larger than reported."
While the sample size is less than 10% of the US population, the margin of error is reported to be 3% using a 95% confidence level.
This indicates that the pollsters have taken into account the sample size, as well as the level of confidence, when calculating the margin of error.
Therefore, we cannot make any inferences about the size of the margin of error based solely on the fact that the sample size is less than 10% of the population.
The statement that can be inferred from the information provided is:
"The success-failure condition is satisfied.
A 95% confidence interval for the proportion of adults who think that licensed drivers should be required to retake their road test once they reach 65 years of age is (63%, 69%)."
Since the sample size is 1,018, we can assume that the success-failure condition is satisfied if the sample proportion is between 10% and 90%.
In this case, the reported proportion is 66%, which satisfies the success-failure condition.
Using a 95% confidence level, the margin of error is reported to be 3%. Based on this, we can construct a confidence interval for the population proportion:
66% ± 3%
This interval can be simplified to (63%, 69%), which means we can be 95% confident that the true proportion of adults who think licensed drivers should be required to retake their road test once they reach 65 years of age is between 63% and 69%.
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Please help me I do not understand this lolll
Answer:
I do not understand this either lolll lolll
but I guess eq 1 = D
EQ 2 = B
EQ 3 = A
EQ 4= C
someone plz help - giving brainliest
Answer:
We know that,
\(a^{x} *a^{y} =a^{x+y}\)
\(a^{-x} =\frac{1}{a^{x} }\)
\(\frac{1}{a^{-x} } =a^{x}\)
Let's solve now
\(\frac{3^{4} *5^{2} }{5^{8}*5*3^{-1} }\)
\(\frac{3^{4}*3^{1} }{5^{-2} *5^{8} *5}\)
\(\frac{3^{4+1} }{5^{-2+8+1} }\)
\(\frac{3^{5} }{5^{7} }\)
Therefore,
\(\frac{3^{5} }{5^{7} } = \frac{3^{w} }{c^{x} }\)
So,
w = 5
c = 5
x = 7
Hope this helps you.
Let me know if you have any other questions :-)
Which one is expressed as a unit rate?
A. 450 words in 25 minutes C. 10 chickens to 2 ducks
B. 290 kilometres in 3 hours D. $7 0. 0 for 1 pizza
Need the answer quick
Answer:
c i think
Step-by-step explanation:
my brother used that exact term to tell me what unit rate was when I was younger so
what is the value of the following expression? true && !false
The value of the expression "true && !false" can be determined by evaluating each part separately and then combining the results.
1. The "!" symbol represents the logical NOT operator, which negates the value of the following expression. In this case, "false" is negated to "true".
2. The "&&" symbol represents the logical AND operator, which returns true only if both operands are true. Since the first operand is "true" and the second operand is "true" (as a result of the negation), the overall expression evaluates to "true".
Therefore, the value of the expression "true && !false" is "true".
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You run Colgate and sell toothpaste. You are trying to forecast demand for 2022 , and you have sales data for the past 5 years, in \$M:
2017: 55
2018: 45
2019: 100
2020: 50
2021: 100
First, generate 4 forecasts using the following methods: naive, simple mean method, 3 period moving average, 2 period weighed moving average (with weights of 0.8 and 0.2 for the the most recent and second most recent period, respectively. Anthony is in marketing, and he's very worried about being understocked, so he picks his favorite 2022 forecast based on this worry. Bria, on the other-hand is really worried about big forecasting errors in either direction, and she picks her favorite 2022 forecast using her preferred metric. What is the absolute difference in Anthony's favorite forecast and Bria's favorite forecast? Round to the nearest $M. For example, if your answer is $4.39M, enter 4 in the box.
The absolute difference between Anthony's favorite forecast and Bria's favorite forecast is $22 million.
To find Anthony's favorite forecast, we need to compare the forecasts generated using different methods and choose the one that suggests a higher demand for 2022.
Bria's favorite forecast, on the other hand, is based on minimizing forecasting errors, so she will choose the forecast with the smallest absolute difference from the actual sales data.
Using the given sales data, we can calculate the forecasts using the four methods mentioned. The naive forecast for 2022 is simply the sales value from the most recent year, which is $100 million.
The simple mean method calculates the average of the past 5 years' sales, resulting in a forecast of $70 million. The 3-period moving average takes the average of the sales from the three most recent years, giving a forecast of $83.33 million.
The 2-period weighted moving average assigns weights of 0.8 and 0.2 to the most recent and second most recent years, respectively, resulting in a forecast of $85 million.
Anthony's favorite forecast would be the one with the highest value, which is $100 million (the naive forecast). Bria's favorite forecast would be the one with the smallest absolute difference from the actual sales data, which is $85 million (the 2-period weighted moving average forecast).
The absolute difference between these two forecasts is $15 million, rounded to the nearest million, resulting in an absolute difference of $22 million.
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diana is three years younger than eduardo. eduardo is four years older than chad. faye is three years older than chad. diana is 14 years old. how many years old is faye?
Diana is three years younger than Eduardo, and Eduardo is four years older than Chad, while Faye is three years older than Chad;
we can come up with a way to solve this problem using a system of linear equations.
As such, let's use the following variables for their ages:
Let D be the age of DianaLet E be the age of EduardoLet C be the age of ChadLet F be the age of FayeBased on the problem statement, we have that:
D = E - 3 (Diana is three years younger than Eduardo)
E = C + 4 (Eduardo is four years older than Chad)
F = C + 3 (Faye is three years older than Chad)
Furthermore, we know that Diana is 14 years old; hence we can substitute that in the equation for Diana's age:
14 = E - 3By adding 3 to both sides of the equation, we get:
E = 17Substituting this value of E in the equation for Faye's age, we get:
F = C + 3Since we don't know Chad's age (i.e., C), we cannot directly calculate Faye's age.
However, we can use another piece of information from the problem statement to determine Chad's age: Eduardo is four years older than Chad.
We know that Eduardo is 17 years old (from above), so Chad must be 17 - 4 = 13 years old.Now we can substitute this value of Chad's age in Faye's equation:
F = C + 3 = 13 + 3 = 16
Therefore, Faye is 16 years old.
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Need help fast!
Whats rhe radical aproximation of
7.07
7.21
7.93
Answer:
The radical approximations of 7.07, 7.21, and 7.93 to the nearest whole number are:
2.65
2.68
2.82
Step-by-step explanation:
Sure, here's a step-by-step explanation of finding the approximate square root of 7.07, 7.21, and 7.93 to the nearest whole number:
Start by finding an approximate square root by making an educated guess or by using a calculator.
Use the initial guess to determine if the number is closer to the actual square root or to a smaller or larger value.
Refine the estimate by averaging the guess and the number divided by the guess.
Repeat the process of refining the estimate until a satisfactory level of accuracy is reached.
Here's an example for 7.07:
An educated guess for the square root of 7.07 could be 2.7
Dividing 7.07 by 2.7 gives an estimated value of 2.61, which is closer to the actual value.
To get a more accurate estimate, the average of 2.7 and 2.61 (2.655) is taken as the new estimate.
Repeat steps 2 and 3 until the desired level of accuracy is achieved.
After several iterations, the square root of 7.07 is approximately equal to 2.65.
Similarly, you can find the approximate square roots of 7.21 and 7.93.
the distance from city a to city b is 256.8 miles. the distance from city a to city c is 739.4 miles how much farther is the trip to city c than the trip to city b
Taking a difference, we can see that the trip to city C is 482.6 mi longer.
How much farther is the trip to city c than the trip to city b?
Here we know that the distance from city a to city b is 256.8 miles, and the distance from city a to city c is 739.4 miles
To find how much farther is the trip to city c than the trip to city b, we just need to take the difference between the two distances above.
That means that we need to take the distance to city c and subtract the distance to city b.
We will get:
739.4 mi - 256.8 mi = 482.6 mi
The trip to city C is 482.6 mi more than the trip to city B.
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The panthers lost 6 yards on their first play and lost another 8 yards on their next play. What was their net result in yards after these two plays?
my badd i didnt read the whole question it would be negative 14
-1/9 + (-5/9) =
Write the answer in simplest form
Which of the following is a true statement?
6/16 > 7/24
3/5 <5/16
6/16 > 4/10
4/8 < 5/16
The fractional expression 18/48 is greater than 14/48 or 6/16 is greater than 7/24. Then the correct option is A.
What is inequality?Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
The expressions are 6/16 and 7/24.
Then the LCM of the 16 and 24 will be 48.
Then the expressions will be 18/48 and 14/48.
The fractional expression 18/48 is greater than 14/48 or 6/16 is greater than 7/24.
Thus, the correct option is A.
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You have a sack of 90 balls. 35 blue, 30 green and 25 pink. If you randomly pull one ball out of the bag, what is the probability of pulling a green ball?
Answer:
P(Green ball) = 1/3
Step-by-step explanation:
You have a sack of 90 balls. 35 blue, 30 green and 25 pink. If you randomly pull one ball out of the bag, what is the probability of pulling a green ball?
The Probability of pulling a green ball =
P(Green ball) =
Number of green balls/ Total number of balls
= 30 green balls/90 balls
P(Green ball) = 1/3
factorise 9a^2-b^2??
━━━━━━━☆☆━━━━━━━
▹ Answer
3² * a² - b²
▹ Step-by-Step Explanation
9a² - b²
Break down each coefficient and variable:
9 = 3²
a² = a²
b² = b²
Combine everything together:
3² * a² - b²
Hope this helps!
CloutAnswers ❁
━━━━━━━☆☆━━━━━━━
Answer:
Since both terms are perfect squares, factor using the difference of squares formula, a^2-b^2=[a+b][a-b] where a=3a and b=b
A place kicker in pro football has a 77% probability of making a field goal over 40 yards, and each attempted field goal is independent. If the kicker made his first two but missed his third attempt and is now trying for his fourth field goal of the game to win in overtime, what is the probability that his team will win the game
The probability that the team will win the sport is 77%.
Given that an area kicker in pro football incorporates a 77% probability of creating a field goal over 40 yards and every attempt field goal is independent.
Probability is how something is likely to happen. The probability of a happening is calculated by the probability formula by simply dividing the favorable number of outcomes by the overall number of possible outcomes.
So, his team will win the sport if he makes a goal otherwise loses.
Therefore, the Probability that his team will win the sport P[E] =P[making a field goal]
P[E]=77%
Hence, the probability that the team will win the sport when making a field goal is 77%.
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Graph the Equation 3x – 2y = -6 over the range x = -10 to x = 10. = 2) Use the Graphical method to solve the following pair of equations. 10x = 5y -3x + y = 1
Graphing the equation 3x - 2y = -6 over the range x = -10 to x = 10:
To graph the equation 3x - 2y = -6, we need to rearrange it in the form y = mx + b, where m is the slope and b is the y-intercept.
3x - 2y = -6
-2y = -3x - 6
Divide both sides by -2:
y = (3/2)x + 3
Now we have the equation in slope-intercept form.
To graph the equation, we can plot a few points and draw a line through them. Let's choose some x-values from the range -10 to 10 and find the corresponding y-values.
For x = -10:
y = (3/2)(-10) + 3
y = -15 + 3
y = -12
For x = 0:
y = (3/2)(0) + 3
y = 0 + 3
y = 3
For x = 10:
y = (3/2)(10) + 3
y = 15 + 3
y = 18
Plotting these points (-10, -12), (0, 3), and (10, 18) on the graph and drawing a line through them, we get the graph of the equation 3x - 2y = -6.
Using the graphical method to solve the pair of equations:
The given equations are:
10x = 5y
-3x + y = 1
To solve these equations graphically, we need to plot their graphs on the same coordinate plane and find the point where they intersect, which represents the solution.
Rearranging the second equation in slope-intercept form:
y = 3x + 1
Now we have the equations in the form y = mx + b.
Plotting the graphs of the equations 10x = 5y and y = 3x + 1, we can find the point of intersection, which represents the solution to the system of equations.
The point of intersection is the solution to the system of equations.
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In Exercises 3-6, write a compound inequality that is
represented by the graph.
Answer:
3). x > -3 and x <=2
4) x >7 and x < 14
5) x <= -7 or x > = - 4
6) x <= 4 or x >6
7. p < 6 and p >2
6 > p > 2
8. n <= -7 or n > 12
- 7 <= n > 12
Step-by-step explanation:
developing countries are providing new markets for companies that can provide them with needed: multiple select question. managers goods services technology
Managers, goods, services, and technology are all needed in developing countries, and therefore, they provide new markets for companies that can supply these essentials.
Developing countries often have growing economies and increasing consumer demands. As these countries strive for development and improvement, they require effective management to drive their businesses and organizations. Managers play a crucial role in overseeing operations, implementing strategies, and maximizing efficiency.
Additionally, developing countries require goods and services to meet the needs of their populations. This includes basic necessities such as food, clothing, and shelter, as well as other essential products and services like healthcare, education, infrastructure development, and transportation. Companies that can provide these goods and services have an opportunity to enter new markets and cater to the demands of the growing population.
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PLEASE HELP
Determine which lines are parallel if any:
Line a passes through (-1, 1) and (1,3)
Line b passes through (3,4) and (0,2)
Line c passes through (0,1) and (3,3) *
line a and b
line b and c
line a and c
none are parallel
Answer:
b and c
Step-by-step explanation:
both slopes are 2/3
when unwrapped, the lateral surface area of cone A is a sector with central angle 6 radians and radius pi. What is the length of the radius of cone A
The lateral surface area of cone A unwrapped is a sector with central angle 6 radians and radius pi. The length of the radius of cone A is pi/6.
Since the lateral surface area of cone A is a sector with central angle 6 radians and radius pi when unwrapped, we can use the formula for sector area to find the lateral surface area of the cone. Area of sector=θ/2π×π² where θ is the central angle and π is the radius.
Area of cone’s lateral surface area=L=θ/2π×2πr=rθ. So, r=L/θ=π/6 (when L=π and θ=6 radians). The length of the radius of cone A is π/6 which is approximately 0.524. Thus, the length of the radius of cone A is pi/6 when unwrapped, given that the lateral surface area of cone A is a sector with central angle 6 radians and radius pi.
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Using the side splitter theorem, which segment length would complete the proportion?
As per the side splitter theorem, the segment length would complete the proportion is GJ
In math, the side splitter theorem states that "if a line is parallel to a side of a triangle and the line intersects the other two sides, then this line divides those two sides proportionally".
Here we have to find the segment length that would complete the proportion by using the side splitter theorem.
According to this theorem and by using the following diagram, we can elaborate the following proportion
=> GH/HE = GJ/JF
Here we have identifies that the segment that completes the proportion is GJ, because it must be used according to the theorem.
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Select the correct answer from each drop-down menu.
Arkell decorates old bottles to make vases. The table shows the number of vases he has at the end of each day.
Day
Vases
1
6
2
12
3
18
4.
24
5.
30
This situation represents
sequence.
The common
is
At the end of the seventh day, Arkell will have
vases.
Answer:
Step-by-step explanation:1. A geometric 2. Ratio 3. 6 4.36
At the end of 7th day Arkell will have 42 vases if the sequence works in the same manner.
What is the arithmetic progression?
It is a type of sequence which is having common difference between all its terms.
How to find a term in AP?
The given sequence is an arithmetic progression and it has common difference equal to 6 and we have to find the 7th term of the arithmetic progression. So the 7th term will be calculated as follows:
7th term=a+(n-1)d
=6+(7-1)*6
=6+6*6
=6+36
=42
Hence Arkell will have 42n vases at the end of 7th day.
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What is the sum of -2 + (-5)