In geometry, the midpoint is the middle point of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints.
A point is said to be equidistant from a set of objects if the distances between that point and each object in the set are equal.
In two-dimensional Euclidean geometry, the locus of points equidistant from two given (different) points is their perpendicular bisector. In three dimensions, the locus of points equidistant from two given points is a plane, and generalising further, in n-dimensional space the locus of points equidistant from two points in n-space is an (n−1)-space.
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Please help me with my math please.?
Answer:
x = 6, y = 0, m = -1
y = mx + b
0 = -1(6) + b
0 = -6 + b
6 = b
y = -1x + (6)
Step-by-step explanation:
^^^
See answer, pretty simple.
So
equation
y=mx+b0=-1(6)+bb-6=0b=6So equation
y=-x+6solve the system of equation -3x + y equals to 7 x - 8 y equals 1
-3x + y = 2 Equation (1)
7x -8y = 1 Equation (2)
Let us solve the system of equations with the elimination method.
-24x + 8y = 16 (Multiplying the equation 1 by 8)
+ 7x - 8y = 1 (Adding the equation 2 to the last form of the equation 1)
------------------
-17x = 17 (Adding like terms)
x = 17/(-17) ( Dividing by -17 on both sides of the equation)
x= -1
Replacing x=-1 in the equation 1,we have:
-3(-1) + y = 2
3 + y = 2 (Multiplying and using the sign rules)
y = 2- 3 (Subtracting 3 from both sides of the equation)
y = -1 (Subtracting)
The answers are x=-1 and y=-1
Isabella has 63 hair bows. Isabella's sister has h more hair bows than Isabella. Choose the expression that shows how many hair bows Isabella's sister has.
Answer:
(h+63)
Step-by-step explanation:
Given that,
Isabella has 63 hair bows.
Isabella's sister has h more hair bows than Isabella. It means,
Isabella's sister = h+63
h and 63 are added as Isabella's sister has h more hair bows than Isabella.
Hence, the expression would be (h+63).
a researcher tested the effects of serotonin on a group of aggressive rats and gave a control group a placebo treatment. the researcher should use a ____ t-test to test the data.
The researcher should use an independent samples t-test to test the data.
What statistical test should the researcher use to analyze the data?An independent samples t-test is appropriate when comparing the means of two independent groups or conditions.
In this case, the researcher has a group of rats that received the serotonin treatment and another group that received a placebo treatment. These groups are independent of each other because the rats in one group do not affect or interact with the rats in the other group.The t-test will allow the researcher to determine if there is a significant difference between the means of the two groups.Indicating whether the serotonin treatment had an effect on the aggression levels compared to the placebo.An independent samples t-test compares the means of two independent groups, considering sample sizes, standard deviations, and potentially assuming equal or unequal variances. It provides a p-value indicating the probability of observing the observed mean difference if there were no true difference between the populations. A p-value below the significance level (e.g., 0.05) suggests a significant difference between the groups.Therefore, independent samples t-test is used to compare the effects of two different treatments on two separate groups.
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Please help me with this question asap
Answer:
156 for the first, 14 for the second
Step-by-step explanation:
x = -5 y=4
Plug in (first equation)
(4(4))^2 - (2(-5))^2
(16)^2 - (-10)^2
256-100
156
Second Equation
4y^2-2x^2
Plug in
4(4)^2 - 2(-5)^2
4(16) - 2(25)
64-50
14
Parenthesis make a huge difference
Hope this helps =D
Verbal
3. How are the absolute maximum and minimum
similar to and different from the local extrema?
The absolute maximum and minimum represent the highest and lowest points of a function over its entire domain, while local extrema represent the highest and lowest points within a specific interval or neighborhood of a function.
The absolute maximum and minimum are similar to the local extrema in that they are both points on a function where the function reaches its extreme values. However, they differ in terms of their scope.
The absolute maximum and minimum are the highest and lowest values of a function over its entire domain, respectively. These values represent the overall highest and lowest points on the function. In contrast, local extrema are the highest and lowest points within a specific interval or neighborhood of a function.
To find the absolute maximum and minimum, you need to consider the entire domain of the function and analyze the function's behavior at all points. On the other hand, to find local extrema, you only need to focus on a specific interval and analyze the function's behavior within that interval.
In summary, the absolute maximum and minimum represent the highest and lowest points of a function over its entire domain, while local extrema represent the highest and lowest points within a specific interval or neighborhood of a function.
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write your answer as a fraction or as a whole or mixed number 4 4/5 times 2 1/5
Answer:
It would be 10 14/25
Step-by-step explanation:
You could use a calculator for this, but that’d be cheating so let me explain.
We make both of our fractions improper first
4 4/5 = 24/5
2 1/5 = 11/5
We won’t need to change the “bottom number“ since they’re already the same, so let’s multiply them now.
24 x 11 = 264
————
5 x 5 = 24
Ten 24s can fit into 264 so our final number is
10 14/25
Math help please show work I will mark Brainlist if correct
Answer:
Step-by-step explanation:
(1).
(a). 1 m ≈ 3.28 ft.
128 m ≈ 419.84 ft.
(b). 1 yd. ≈ 0.0009144 km
3910 yd. ≈ 3.58 km
(2). 1 m ≈ 0.0006214 mi.
10 000 m ≈ 6.2 mi.
Write Write 4x² - ax +9 in the form (2x-b)², where a > 0. Find the value of 2a-b.
A. 12
B. 15
C. 21
D. 27
Answer: A
Step-by-step explanation:
Solve the following equations: e^−x^−e^x =3
We have to find the value of x for the given equation e^(−x^)−e^x =3. Here we can use a small trick to get the solution. We know that e^-x is the reciprocal of e^x. So we can replace e^-x with 1/e^x. Now we have the equation e^(−x^)−e^x =3 in the form e^x - 1/e^x = 3.
This is a quadratic equation in the form ax^2 + bx + c = 0. Here a = 1, b = 0, c = -3. We can solve this quadratic equation to get the value of x.
Given equation is e^(−x^)−e^x =3.We can replace e^-x with 1/e^x.Now the equation is e^(x) - 1/e^(x) = 3.
Let's take e^x as a variable and solve the equation:e^x - 1/e^x = 3Multiplying both sides by e^x, we get e^x * e^x - 1 = 3e^xNow e^(2x) - 3e^x - 1 = 0.
This is a quadratic equation in the form ax^2 + bx + c = 0. Here a = 1, b = -3, c = -1.
We can solve this quadratic equation using the quadratic formula which is given as:x = [-b ± sqrt(b^2-4ac)]/2a.
Substituting the values, we get:x = [-(-3) ± sqrt((-3)^2-4(1)(-1))]/2(1)x = [3 ± sqrt(13)]/2Hence the value of x is x = [3 ± sqrt(13)]/2.
We can solve the given equation e^(−x^)−e^x =3 using a small trick. We know that e^-x is the reciprocal of e^x. So we can replace e^-x with 1/e^x. Now we have the equation e^(−x^)−e^x =3 in the form e^x - 1/e^x = 3. This is a quadratic equation in the form ax^2 + bx + c = 0.
Here a = 1, b = 0, c = -3. We can solve this quadratic equation to get the value of x.We have, e^x - 1/e^x = 3Multiplying both sides by e^x, we get e^x * e^x - 1 = 3e^xNow e^(2x) - 3e^x - 1 = 0This is a quadratic equation in the form ax^2 + bx + c = 0. Here a = 1, b = -3, c = -1.
We can solve this quadratic equation using the quadratic formula which is given as:x = [-b ± sqrt(b^2-4ac)]/2aSubstituting the values, we get:
\(x = [-(-3) ± sqrt((-3)^2-4(1)(-1))]/2(1)x = [3 ± sqrt(13)]/2So the value of x is x = [3 ± sqrt(13)]/2.\)
Hence the solution of the equation e^(−x^)−e^x =3 is x = [3 ± sqrt(13)]/2.
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Last year Mr. Ingles total income was 52000+ total expenses were 53800 use expression I-E/12 where I represents total income in a represents total expenses to find the hours difference between his income and expenses each month and explain its meaning
Answer:
-$150
Step-by-step explanation:
Given:
(I - E) / 12
Where,
I = total income
E = total expenses
I = $52,000
E = $53,800
(I - E) / 12
= (52,000 - 53,800) / 12
= -1,800 / 12
= -150
-$150 shows that Mr. Engle's total expenses exceeds his total income per month with an average of $150
1. Gilbert wants to know the dimensions of his (3x2 – 12x + 9) square units
rectangular lot. What is the length and width of his lot?
. Mr. Jenkins deposited $1,250 into an account. He made no additional
deposits or withdrawals. Mr. Jenkins earned 4.25% annual simple interest
on the money in the account.
What was the balance in dollars and cents in Mr. Jenkins account at the
end of 4 years?
Record your answer on the grid.
Be sure to use the correct place value.
Answer:
$1,462.50
Step-by-step explanation:
To find the percentage, multiply 1,250 by 0.0425, giving us 53.125. Multiply this by the 4 years, giving us a total of 212.5. Add 212.5 and 1,250, leaving us with his total, $1,462.50
Hope this helps!
Am I correct??? Please correct me
Answer:
umm i think you are hopefully im right lol
a binomial experiment with probability of success and trials is conducted. what is the probability that the experiment results in fewer than successes? do not round your intermediate computations, and round your answer to three decimal places. (if necessary, consult a list of formulas.)
One of the two outcomes, known as success or failure, arises from every try. From trial to trial, the chance of success, indicated by the symbol p, stays constant. There are n independent trials.
How to find the number of success in a binomial distribution?The likelihood of success is constant from trial to trial, and subsequent trials are independent. A binomial distribution, which derives from counting successes across a series of trials, has just two possible outcomes on each trial.
One of the two outcomes, known as success or failure, arises from every try. From trial to trial, the chance of success, indicated by the symbol p, stays constant. There are n independent trials. In other words, the results of one trial do not influence those of the others.
An experiment with a fixed number of independent trials and just two results is referred to as a binomial experiment.
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Let's say someone is conducting research on whether people in the community would attend a pride parade. Even though the population in the community is 95% straight and 5% lesbian, gay, or some other queer identity, the researchers decide it would be best to have a sample that includes 50% straight and 50% LGBTQ+ respondents. This would be what type of sampling?
A. Disproportionate stratified sampling
B. Availability sampling
C. Snowball sampling
D. Simple random sampling
The type of sampling described, where the researchers intentionally select a sample with 50% straight and 50% LGBTQ+ respondents, is known as "disproportionate stratified sampling."
A. Disproportionate stratified sampling involves dividing the population into different groups (strata) based on certain characteristics and then intentionally selecting a different proportion of individuals from each group. In this case, the researchers are dividing the population based on sexual orientation (straight and LGBTQ+) and selecting an equal proportion from each group.
B. Availability sampling (also known as convenience sampling) refers to selecting individuals who are readily available or convenient for the researcher. This type of sampling does not guarantee representative or unbiased results and may introduce bias into the study.
C. Snowball sampling involves starting with a small number of participants who meet certain criteria and then asking them to refer other potential participants who also meet the criteria. This sampling method is often used when the target population is difficult to reach or identify, such as in hidden or marginalized communities.
D. Simple random sampling involves randomly selecting individuals from the population without any specific stratification or deliberate imbalance. Each individual in the population has an equal chance of being selected.
Given the description provided, the sampling method of intentionally selecting 50% straight and 50% LGBTQ+ respondents represents disproportionate stratified sampling.
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a store has 300 televisions on order and 80% are high definition how many televisions on order are higher definition use a bar model and complete the bottom of the bar
So, 240 TVs can be referred to as the HD section of the bar. The final expressions 60% of the total number of televisions ordered, or 20% of the total, can be labeled as non-HD to complete the bottom of the bar.
what is expression ?In mathematics, you can multiply, split, add, or take away. The following is how an expression is made together: Numeric value, expression, and arithmetic operator The elements of a mathematical expression are integers, parameters, and functions. It is feasible to use contrasting words and expressions. Any mathematical declaration containing variables, numbers, and a mathematical action between them is known as an expression, also known as an algebraic expression. As an example, the expression 4m + 5 is composed of the expressions 4m and 5, as well as the variable m from the provided equation, which are all separated by the mathematical symbol +.
We can draw a bar to represent the overall number of televisions in this issue, then divide it into two parts to represent high-definition (HD) and non-HD televisions. Given that we know that 80% of the items in our purchase are HD, we can say that the HD portion makes up 80% of the entire bar.
80 percent of 300 TVs are in HD.
TVs with HD resolution = 0.8 x 300
240 HD TVs are available.
So, 240 TVs can be referred to as the HD section of the bar. The final 60% of the total number of televisions ordered, or 20% of the total, can be labeled as non-HD to complete the bottom of the bar. The finished bar model would resemble the following:
_________________________________
| | |
| HD | Non-HD |
|_______________|_________________|
240 60 300
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Combine like terms to create an equivalent expression.
3.4 - 2.8d +2.8d - 1.3
Answer:
2.1
Step-by-step explanation:
Simplifying
3.4 + -2.8d + 2.8d + -1.3 = 0
Reorder the terms:
3.4 + -1.3 + -2.8d + 2.8d = 0
Combine like terms: 3.4 + -1.3 = 2.1
2.1 + -2.8d + 2.8d = 0
Combine like terms: -2.8d + 2.8d = 0.0
2.1 + 0.0 = 0
2.1 = 0
Solving
2.1 = 0
Couldn't find a variable to solve for.
This equation is invalid, the left and right sides are not equal, therefore there is no solution.
1. Ernest calculated the slope of the graph during the uphill climb to be 10. His work is shown below. Determine whether his calculation was correct or incorrect, and then
explain why.
(2 points: 1 for the answer, 1 for the explanation)
Points: (60, 900). (15, 450)
900-450/60-15 = 450/45 = 10
Answer:
answer is correctthe correct formula was used appropriatelyStep-by-step explanation:
The slope of a line on a graph is found using the slope formula:
m = (y2 -y1)/(x2 -x1)
Ernest used (x1, y1) = (15, 450) and (x2, y2) = (60, 900) to fill values into this formula. In doing so, he got ...
m = (900 -450)/(60 -15) = 450/45 = 10
This is an appropriate use of the formula, so gave Ernest the correct answer.
For years, telephone area codes in the United States and Canada consisted of a sequence of three digits. The first digit was an integer between 2 and 9, the second digit was either 0 or 1, and the third digit was any integer from 1 to 9. How many area codes were possible
This format had 144 possible telephone area codes in the United States and Canada.
We can calculate the number of possible area codes based on the given information by multiplying the number of options for each digit.
There are 8 options for the first digit (2 through 9), 2 options for the second digit (0 or 1), and 9 options for the third digit (1 through 9).
So, the total number of possible area codes is:
8 x 2 x 9 = 144
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What is a equivalent fraction for 8/14 
Answer:
Step-by-step explanation:
16/28
The answer is:
4/7
Work/explanation:
To find an equivalent fraction for 8/14, we will reduce it to its lowest terms, by dividing both its numerator and its denominator by 2:
\(\sf{\dfrac{8\div2}{14\div2}}\)
\(\sf{\dfrac{4}{7}}\)
Hence, a fraction equivalent to 8/14 is 4/7.
The thing to remember is that it's by far not the only option. In fact, there are infinite options. You can't divide anymore, but you can multiply 8/14 by 2, 3, 4, etc. As long as you multiply the numerator and the denominator by the same number, you'll get an equivalent fraction.
Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage. Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In last five years, the market value of the house has increased by 4.8% per year 6. If she wants to sell the house today, the total transaction cost will be 5% of selling price Given the above information, please calculate the internal rate of return (IRR) of this investment in house
Can you show the math as far as formulas go?
Given the following information: Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage.
Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In the last five years, the market value of the house has increased by 4.8% per year 6.
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How do you solve arithmetic overflow error converting numeric to data type numeric?
Arithmetic overflow error converting numeric to data type numeric can be solved by increasing the precision and the scale, storing number in different data type or use user-defined datatype.
An "arithmetic overflow error converting numeric to data type numeric" error occurs when you try to store a number in a numeric column that is too large to be represented by the specified precision and scale. To resolve this error, you have a few options:
Increase the precision and scale of the numeric column, you can increase the precision and scale of the numeric column so that it can store larger numbers.
Store the number in a different data type:If you don't need the precision and scale of a numeric column, you can store the number in a different data type, such as float or big int.
Round the number to a smaller value:If the number is too large to be represented in the numeric column, you can round it to a smaller value before inserting it into the database.
Use a user-defined data type:If the number is still too large to be represented in a numeric column or a different data type, you can create a custom data type in SQL Server to store the number.
It's important to choose the right solution based on your requirements and the specific use case. You may also need to consider the performance implications of each solution, especially if the data being stored is very large or complex.
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Does the following set form a Sub-100p of the ring of square matrices of real number M
2
(R) ? A={[
x
0
0
x
]:x∈R}
The set A = {[x 0; 0 x]: x ∈ R} does not form a subring of the ring of square matrices of real numbers M₂(R) because it does not satisfy the closure property under matrix multiplication.
To determine if the set A forms a subring, we need to check if it satisfies the necessary conditions.
For A to be a subring, it must be closed under addition and multiplication, and it must contain the additive identity (the zero matrix).
In this case, the set A consists of 2x2 diagonal matrices where the entries on the main diagonal are equal to each other. It is easy to see that A is closed under addition since adding two matrices with the same entries on the diagonal will result in another matrix with the same property. Additionally, the zero matrix is included in A.
However, A fails to satisfy the closure property under matrix multiplication. If we multiply two matrices from A, we obtain a matrix with entries on the main diagonal that are the product of the corresponding entries in the original matrices. But since the set A only contains matrices with equal diagonal entries, the product of two matrices from A will not necessarily have the same entries on the main diagonal. Therefore, A does not form a subring of M₂(R) because it fails to satisfy the closure property under matrix multiplication.
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The perimeter of the shape is 25.71cm
Calculate the value of the radius A take pi to be 3.142
Answer:
Step-by-step explanation:
2 \(\pi\) r=25.71
6.284r= 25.71 (divide by 8.284 on both sides)
r=4.09cm
Find a general solution to the Cauchy-Euler equation x3y" - 7x2y"' +8xy' - 8y = x? x>0, given that (x,4x In (4x),x®) is a fundamental solution set for the corresponding homogeneous equation. y(x) = 0 (Simplify your answer.)
The general solution is y(x) = c_1x + c_2x ln(x) + c_3x^-4 + (1/8)x, where c_1, c_2, and c_3 are constants.
To find the general solution to the Cauchy-Euler equation x^3y" - 7x^2y"' +8xy' - 8y = x, we first need to find a particular solution to the non-homogeneous equation.
We can try a particular solution of the form y_p(x) = Ax + B. Substituting this into the equation, we get:
x^3(0) - 7x^2(0) + 8x(1) - 8(Ax + B) = x
Simplifying this, we get:
8Ax - 8B = x
Comparing coefficients, we see that A = 1/8 and B = 0. Therefore, our particular solution is y_p(x) = (1/8)x.
Now, we can find the general solution by adding the particular solution to the homogeneous solution.
Since (x, 4x ln(4x), x^r) is a fundamental solution set for the corresponding homogeneous equation, we can write the homogeneous solution as:
y_h(x) = c_1x + c_2x ln(x) + c_3x^-4
where c_1, c_2, and c_3 are constants.
Therefore, the general solution is:
y(x) = y_h(x) + y_p(x)
y(x) = c_1x + c_2x ln(x) + c_3x^-4 + (1/8)x
where c_1, c_2, and c_3 are constants.
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Trevor is making payments on a car that costs 26,555 dollars. He makes 36 equal payments. If he rounds the equal payments up to the nearest whole dollar, about how much will he overpay after 36 months? Explain.
Answer:
$13 overpayment
Step-by-step explanation:
We can find the amount Trevor should pay each month by dividing the $26,555 by 36 months:
($26,555/(36 months)) = $737.64 per month
Since Trevor decide to round up to the nearest dollar, he will pay $738 each month. That's an overpayment of $0.361 each month.
After 36 months of overpaying by $0.361 each month, Trevor will have overpaid:
($0.36/month)*(36 months) = $13 overpayment
Tom bought a pen for $60 and sold it to gain 20% on his cost price. How much money did he gain.
Please answer quickly and honestly. You have 10 seconds to complete
Answer:
12
Step-by-step explanation:
that is because 20 of 60 is 12
60X20/100=12
Toss two dice, predict how many times in 60 tosses you will roll an odd number and a 6?
When tossing two dice, each die has six possible outcomes: 1, 2, 3, 4, 5, and 6. Out of these, three are odd numbers: 1, 3, and 5. Thus, the probability of rolling an odd number on one die is 3/6 or 1/2. The probability of rolling a 6 on the other die is 1/6.
To find the probability of rolling an odd number and a 6 in a single toss, we multiply the probabilities of the individual events: (1/2) * (1/6) = 1/12.
In 60 tosses, each toss is an independent event, so we can use the binomial distribution formula to calculate the expected number of successes (odd number and a 6).
The formula is given by nCk * p^k * (1-p)^(n-k), where n is the number of tosses, k is the number of successes, p is the probability of success, and nCk represents the number of combinations.
Substituting the values, we have 60Ck * (1/12)^k * (11/12)^(60-k). Calculating this for k = 1, 2, 3, ..., 60 and summing up the results will give us the expected number of times we will roll an odd number and a 6 in 60 tosses.
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What is the measure of the central angle that defines the shaded area below if the shaded area takes up 70% of the circle?