Answers
Related Questions
7+7-2x4{44-2+8)??????
Answers
Answer:
1577
Step-by-step explanation:
Answer:
− 386
Step-by-step explanation:
Um i dont really know what you were going for but if you can retype the question i can give yo a better answer
if the digits can be repeated, how many 3-digit numbers can be formed using the digits 1, 2, 3, and 4
Answers
There are 64 different 3-digit numbers that can be formed using the digits 1, 2, 3, and 4, allowing for digit repetition.
How many ways can we create a 3-digit number using the digits 1, 2, 3, and 4, allowing for repetition?If the digits 1, 2, 3, and 4 can be repeated, we can calculate the number of possible combinations by multiplying the number of options for each digit. In this case, we have four choices for each of the three digits. Thus, we have 4 x 4 x 4 = 64 different combinations. Each combination represents a unique 3-digit number that can be formed using the given digits.
To understand this better, let's break it down. The first digit can be any of the four given digits: 1, 2, 3, or 4. Similarly, the second and third digits can also be any of the four options. Since each digit can be repeated, we multiply the number of options for each digit to find the total number of combinations.
Therefore, there are 64 different 3-digit numbers that can be formed using the digits 1, 2, 3, and 4, allowing for repetition.
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Kadeesha has a point card for a movie theater.
She receives 50 rewards points just for signing up she earns 12.5 points for each visit to the movie theater she needs at least 210 points for a free movie ticket right and solve for an inequality the number of visits kadeesha can make to earn her first free movie ticket
Answers
Answer:
50 + 12.5 v ≥ 210
She needs at least 13 visits
Step-by-step explanation:
points for signing up + points per visit* number of visits ≥ 210
50 + 12.5 v ≥ 210
Subtract 50 from each side
50 + 12.5 v -50 ≥ 210-50
12.5 v ≥ 160
Divide by 12.5
12.5 v/12.5 ≥ 160/12.5
v ≥ 12.8
She needs at least 13 visits
Answer:
Step-by-step explanation:
Here is a list of questions about the students and teachers at a school.
Select the questions that are statistical questions.
- What subject do students prefer?
- How many days are in the school year?
- How many teachers work in the school?
- How do students get to and from school?
- What do students prefer to eat for breakfast?
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Árbol Factorial de 48
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Answer:
Los factores de 48 son 1, 2, 3, 4, 6, 8, 12, 16, 24 y 48.
Select all the correct answers. If the measure of angle 0 is 5(pi)/4, which statements are true?
The Measure of the reference angle is 45
cos(0)= √ 2/2
tan(0)=1
sin(0)=√ 2/2
the measure of the referance angle is 30
the measure of the referance angle is 60
Answers
Finding the equivalent angle of \(\theta\), the correct statements are given as follows:
The Measure of the reference angle is 45.\(\cos{\theta} = \frac{\sqrt{2}{2}}\).\(\tan{\theta} = 1\)\(\sin{\theta} = \frac{\sqrt{2}{2}}\).What are equivalent angles?Each angle on the second, third and fourth quadrants will have an equivalent on the first quadrant.
In this problem, the given angle is as follows:
\(\theta = \frac{5\pi}{4}\)
It is on the third quadrant, as it is between pi and 1.5 pi, hence the equivalent on the first quadrant, also known as the reference angle, is given by:
\(\frac{5\pi}{4} - \pi = \frac{5\pi}{4} - \frac{4\pi}{4} = \frac{\pi}{4}\)
The angle of 45º has equal sine and cosine, and tangent of 1, hence the correct statements are:
The Measure of the reference angle is 45.\(\cos{\theta} = \frac{\sqrt{2}{2}}\).\(\tan{\theta} = 1\)\(\sin{\theta} = \frac{\sqrt{2}{2}}\).More can be learned about equivalent angles at https://brainly.com/question/24787111
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Answer:
The measure of the reference angle is 45 degrees
tan(theta) = 1
Step-by-step explanation:
Find the median of the following set of data 12,20,1,20,8
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Answer:
ok, i hate questions like these because i don't want to answer them
Step-by-step explanation:
solve three and four fifths plus one and one third equals blank.
six and two fifteenths
five and five fifteenths
five and two fifteenths
four and five eighths
Answers
5 and 2 fifteenths
Step-by-step explanation:
3 and 4/5 can go to 3 and 12/15 and 1 and 1/3 can go to 1 and 5/15
Answer:
The answer is 5 and 13/100
Step-by-step explanation:
How many different 4-digit PIN codes are there that only include the digits 4, 5, 7, 8 and 6
if each of those digits is only allowed to be used once?
Answers
Answer:
Available Digits = 4 (1, 2, 3 , 4)
Step-by-step explanation:
Now, if the digits can be used only once, it is a case of permuting 4 things out of 4 things i.e. 4P4=24ways
Alternatively, the units place can be filled in 4 ways, tens place can be filled in 3 ways, hundreds place can be filled in 2 ways and thousands place in 1 way.
So, TOTAL=4×3×2×1=24
HOPE IT HELPS
solve the systems using equal values.y= 2xy= -3x + 5
Answers
Suppose that I have a sample of 25 women and they spend an average of $100 a week dining out, with a standard deviation of $20. The standard error of the mean for this sample is $4. Create a 95% confidence interval for the mean and wrap words around your results.
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We can say with 95% confidence that the true mean amount that women in the population spend dining out per week lies within the range of $91.74 to $108.26.
Based on the given information, we can calculate a 95% confidence interval for the mean amount that women in the population spend dining out per week. With a sample size of 25 and a standard error of $4, we can use the formula:
95% CI = sample mean +/- (critical value x standard error)
To find the critical value, we need to look up the t-distribution with degrees of freedom (df) = n-1 = 24 and a significance level of alpha = 0.05/2 = 0.025 (since we are interested in a two-tailed test). From a t-table or calculator, we find that the critical t-value is approximately 2.064.
Plugging in the values, we get:
95% CI = $100 +/- (2.064 x $4)
95% CI = $100 +/- $8.26
95% CI = ($91.74, $108.26)
Therefore, we can say with 95% confidence that the true mean amount that women in the population spend dining out per week lies within the range of $91.74 to $108.26. This means that if we were to repeatedly take random samples of 25 women and calculate their mean amount spent dining out, about 95% of the intervals we construct using this method would contain the true population mean.
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The Central Limit Theorem states that The distribution of the population mean p will be about normal provided that the sample size n is sufficiently large If the sample size n is large, then z follows a standard normal distribution, provided that the population is normally distributed The sample mean X will always equal the population mean / when the sample size n is large enough_ As the sample size n gets larger and larger, the sampling distribution of the sample mean X is less concentrated around the central value The sampling distribution of the sample proportion p will be approximately normal provided that the population is normally distributed The sampling distribution of the sample mean x will be about normal provided that the sample size n is sufficiently large
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the standard deviation of the sample means:
σ(x) = σ/\(\sqrt{n}\)
The central limit theorem states that if you have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement text annotation indicator, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large (usually n > 30). If the population is normal, then the theorem holds true even for samples smaller than 30. In fact, this also holds true even if the population is binomial, provided that min(np, n(1-p))> 5, where n is the sample size and p is the probability of success in the population. This means that we can use the normal probability model to quantify uncertainty when making inferences about a population mean based on the sample mean.
For the random samples we take from the population, we can compute the mean of the sample means:
μ (x) = μ
and the standard deviation of the sample means:
σ(x) = σ/\(\sqrt{n}\)
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determine the minimum number of terms needed toestimate the sum of the convergent alternating serieswith an absolute error of less than 0.001:
Answers
To estimate the sum of a convergent alternating series with an absolute error of less than 0.001, we can use the Alternating Series Estimation Theorem.
This theorem states that the error made by approximating the sum of an alternating series with the nth partial sum is less than or equal to the absolute value of the (n+1)th term.
In other words, if we want the absolute error to be less than 0.001, we need to find the smallest value of n such that |a(n+1)| < 0.001, where a(n) is the nth term of the alternating series.
Then, using the Alternating Series Test, we know that the terms of the series must approach zero as n goes to infinity. So, if we want the absolute error to be less than 0.001, we need to find the smallest value of n such that:
|a(n+1)| < 0.001
Now, we can rearrange this inequality to solve for n:
|a(n+1)| < 0.001
a(n+1) < 0.001 (since the series is alternating)
(-1)(n+1) * a(n+1) < 0.001 (-1 to account for the alternating signs)
a(n+1) > -0.001
Since the terms of the series are decreasing in magnitude, we can assume that the smallest value of |a(n+1)|. Therefore, we can set n = 1 to get:
|a(2)| < 0.001
|(-1)2 * a(2)| < 0.001
|a(2)| < 0.001
So the absolute error will be less than 0.001 if we use the first two terms of the series to estimate the sum.
The total of the convergent alternating series can be estimated with a minimum of two terms and an absolute error of less than 0.001.
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we want to determine the probability of obtaining at most 4 successful operations in 10 independent surgical operations where the probability of success is the same for each operation. the appropriate formula to be used is
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Using (D) the binomial formula, which is used to determine probability when independent events are known, we will get the probability in the scenario.
What is the binomial formula?In an experiment with two possible outcomes, the likelihood of exactly x successes on n repeated trials is known as the binomial probability (commonly called a binomial experiment).
The binomial probability is nCx⋅px⋅(1−p)n−x if the likelihood of success on a single trial is p.
When a process is repeated a certain number of times (for example, in a set of patients), the result for each patient can either be a success or a failure, the binomial distribution model enables us to calculate the probability of witnessing a defined number of "successes."
So, in the given situation we will find the probability with help of the binomial formula which is used to calculate the probability when independent events are given.
Therefore, using (D) the binomial formula, which is used to determine probability when independent events are known, we will get the probability in the scenario.
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Complete question:
We want to determine the probability of obtaining at most 4 successful operations in 10 independent surgical operations where the probability of success is the same for each operation. The appropriate formula to be used is
(A) the mean of the binomial distribution.
(B) the hypergeometric formula.
(C) the mean of the hypergeometric distribution.
(D) the binomial formula.
What is the 12th term in the sequence (1,3,5,7).
Answers
Answer:
23
Step-by-step explanation:
We Know
The sequence (1,3,5,7)
Each time it increases by 2
What is the 12th term in the sequence (1,3,5,7)?
Let's list it out
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,....
So, the 12th term in the sequence is 23.
In Mr. Garcia's art class, his students are making clay sculptures. He placed a container of modeling clay at each of the 8 tables in the classroom. The graph shows how much clay was in each container after class.
If Mr. Garcia distributes all of the clay equally among the 8 containers, how much will be in each container?
Answers
If Mr. Garcia distributes all of the clay equally among the 8 containers, each container will have 1 3/8 pounds
What does division of fractions mean?
A fraction is divided into additional equal pieces when it is divided into fractions. For instance, if you had three-fourths of a pizza remaining and divided each slice into two pieces, you would have received six slices, which would be equivalent to six-eighths of the entire pizza.
The figure shows number of clays particular pound
Multiply the number of clays with the corresponding pounds to the get the total weight of that particular pound..
Then, add all to get the total shown:
(1/2*1)+(1*2)+(1 1/2*3) +(2*2)
= 0.5 + 2+4.5+ 4
= 11 pound
Divide this by 8
11/8 = 1.375
1 3/8 = 1.375
If Mr. Garcia distributes all of the clay equally among the 8 containers, each container will have 1 3/8 pounds
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Elliot is the principal of a local high school. He is raising money for classroom supplies. He places jars in the cafeteria to collect change (only change) for 1 week. If the students place over $200 in change in the jars during the week, he will get a pie in his face at the pep club assembly. On Monday, students can only put pennies in the jar. On Tuesday, students can only put nickels in the jar. On Wednesday, students can only put dimes in the jar. On Thursday, students can only put quarters in the jar. On Friday, the total collection will be announced. If Elliot puts a gallon jar in the cafeteria each day and the jar is filled at the end of lunch each day, will the students have collected enough??
WHICH OF THE FOLLOWING QUESTIONS WOULD BE IMPORTANT TO CONSIDER WHEN EXPLORING THIS PROBLEM?
Answers
The question that will be important to consider when exploring the problem is "What is the amount of nickels, dimes, pennies, and quarters that are put in the jar?"
How to illustrate the information?From the information given, it should be noted that Elliot is the principal of a local high school and he is raising money for classroom supplies as he places jars in the cafeteria to collect change.
It should be noted that from the information given, we are not give the amount of each denomination. This will be important in solving the question.
Therefore, the question that will be important to consider when exploring the problem is "What is the amount of nickels, dimes, pennies, and quarters that are put in the jar?"
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Are parallel vectors sometimes, always, or never opposite vectors? Explain.
Answers
Parallel vectors are sometimes opposite vectors.
In vector algebra, two vectors are considered parallel if they have the same or opposite direction.
Opposite vectors, on the other hand, have the same magnitude but opposite directions.
Consider the case where two vectors are parallel and have the same direction.
Here, they cannot be opposite vectors because their directions align.
However, if two vectors are parallel and have opposite directions, they are indeed opposite vectors.
Even though their magnitudes are the same (since they are parallel), their opposite directions make them opposite vectors.
Therefore, parallel vectors can be either opposite vectors or have same direction. It depends on whether they have same or opposite directions.
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-4k+ 9 = 32 can you solve it in two step equations with rationals with the steps and check
Answers
Answer:
-23/4
Step-by-step explanation:
4k=9-32
4k= -23
k=-23/4
SOMEONE PLEASE HELP I WILL MARK BRAINLIEST
Answers
Answer:
Hi help in what?
Step-by-step explanation:
Write an equation in point-slope form of the line that passes through the point (−3, −2) and has a slope of −3
Answers
Answer:
y + 2 = -3(x + 3)
Step-by-step explanation:
It would be:
y + 2 = -3(x + 3)
The cdf of a uniform random variable on (0,w) is given by F(x) = { 0, x/w, 1 x<0 0w (i) Let X be a uniform random variable on (0,w]. Find an expression for ex(d), the mean excess loss function of X (assume w
Answers
The mean excess loss can be calculated as $ex(d) = \int_0^d [1 - F(x)] dx = \int_0^d (1 - \frac{x}{w}) dx = \frac{2d^2}{w^2}$.
The mean excess loss function of a uniform random variable X on (0,w] is given by $ex(d) = \frac{2d^2}{w^2}$. This is derived by noting that the cumulative distribution function (CDF) of X is given by $F(x) = \frac{x}{w}$ for $x \in (0,w]$. Therefore, the mean excess loss can be calculated as $ex(d) = \int_0^d [1 - F(x)] dx = \int_0^d (1 - \frac{x}{w}) dx = \frac{2d^2}{w^2}$.
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Help please thanks guy for helping me btw i don’t get some of these stuff
Answers
Answer:
i believe the awnser is 1 and 5/12
The perimeter of figure one is four times a number minus three. The perimeter of figure two is two times the same number plus five. The perimeter of figure 1 and figure 2 are the same.
a. Write an equation to find the number
b. Solve the equation to find the number
c. What is the perimeter of Figure 2? Explain.
Answers
Answer:
Let the no. be x.
Therefore,
PERIMETER 1=4x-3
PERIMETER 2=2x+5
Since,
Both PERIMETER are equal .
Therefore,
4x-3=2x+5
2x=8,
x=4
PERIMETER 2 =2×4+5
=13
The answer will be ;
a) The equation to find the number will be 4x-3 = 2x +5
b) After solving the equation we get value of number equal to 4.
c) Perimeter of figure 2 will be equal to 13.
It has been given that there are two figures. Perimeter of figure 1 is four times a number minus three whereas, perimeter of figure 2 is two times the same number plus five.
We have to solve given subparts of the question based on data given.
What is the perimeter ?
Perimeter is the distance around the edge of a shape.
Let the number be x.
Perimeter of figure 1 will be equal to 4x - 3
Perimeter of figure 2 will be equal to 2x + 5
a) As per the question perimeter of both the figures are equal.
So, the equation will be ,
4x-3 = 2x+5
b)
∵ 4x -3 = 2x + 5
4x-2x = 3 + 5
2x = 8
x = 4
Thus the number is 4.
c) Perimeter of figure 2 = 2x + 5
= (2 × 4 ) + 5
= 13
Thus, the perimeter of figure 2 will be equal to 13.
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The time spent watching television in hours on a daily basis of 8 different people was used to create the Box plot shown above which. Of the sets of times below matches the given plot a time watching television 12223445B time watching television 12233. 345C time watching television 11123345. D time watching television 1223345.
Answers
The set of times that matches the given Box plot is option A: time watching television 12223445.
What is Box plot?
The Box plot shown above has five key values: minimum, lower quartile (Q1), median (Q2), upper quartile (Q3), and maximum.
Looking at the Box plot and the given options, we can see that only option A matches the plot. Option A has the same range of values as the Box plot (1 to 5 hours) and the same five key values.
Option B has a range of values from 1 to 4 hours, with Q1 at 2, which does not match the Box plot.
Option C has a range of values from 1 to 5 hours, but the key values are different from the Box plot.
Option D has a range of values from 1 to 5 hours, but the key values are different from the Box plot.
Therefore, the set of times that matches the given Box plot is option A: time watching television 12223445.
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A bike rental shop charges $8 per hour and $4 insurance. How many hours can I rent the bike for if I have $20.
Answers
Two Hours
Step By Step :
20-4=16
16/8=2
Answer:
2 hours
Step-by-step explanation:
Subtract the 4 already then divide 16 by 8 and you get 2 :)
Use a trigonomic ratio to find the value of x
Answers
The value of side x in of the right triangle is 4.8 unit.
What is the value of x?The figure is in the image is a right triangle.
Given that;
Angle θ = 40°Adjacent to angle θ = xOpposite to angle θ = 4To determine the value of x, we use trigonometric ratio
Tangent = Opposite / Adjacent
tan( 40 ) = 4 / x
x = 4 / tan( 40 )
x = 4.8
Therefore, the measure of side x is 4.8 units.
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What is 2 : 6 = 14 as a equivalent ratio?
Answers
An equivaIent ratiο tο 2:6 that is equaI tο 14 is 14:42, which can be simpIified tο 14:3.
What is ratiο?A ratiο in mathematics is a cοmparisοn οf twο οr mοre integers that shοws hοw big οne is in cοmparisοn tο the οther. The dividend οr number being spIit is referred tο as the antecedent, and the divisοr οr number that is dividing is referred tο as the cοnsequent. A ratiο cοmpares twο quantities by divisiοn.
Tο find an equivaIent ratiο tο 2:6 that is equaI tο 14, we can use crοss-muItipIicatiοn.
First, we write the ratiο as a fractiοn:
2/6
Then, we set up a prοpοrtiοn:
2/6 = x/14
where x is the missing term that we want tο find.
Tο sοIve fοr x, we crοss-muItipIy:
2 * 14 = 6 * x
28 = 6x
x = 28/6 = 14/3
Therefοre, an equivaIent ratiο tο 2:6 that is equaI tο 14 is 14:42, which can be simpIified tο 14:3.
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please help me if you can/want to, please and thanks!
Answers
Answer:
z=4
Step-by-step explanation:
First what you want to do is subtract 3z on both sides. You will get 2z+8=16
Next you want to subtract 8 on both sides. This will give you 2z=8
After that you divide by 2 on both sides giving you z=8/2 or 4.
Hope this helped!
do you know that the number googol has 100 0's?
Answers
Answer:
A googol is 10 to the 100th power, which is 1 followed by 100 zeros. While this is an unimaginably large number, there's still an infinite quantity of larger numbers.