Answer:
No; The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. ANSWER: No; 9.
Step-by-step explanation:
No; The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. ANSWER: No; 9.
Let a function f be analytic everywhere in a domain D. Prove that if f(z) is real-valued for all z in D, then f(z) must be constant throughout D.
By using the Cauchy-Riemann equations on a real-valued function, it can be proven that the function f(z) is constant in the domain D. This is important for understanding analytic functions in complex analysis.
To prove that if f(z) is real-valued for all z in D, then f(z) must be constant throughout D, let a function f be analytic everywhere in a domain D. We know that a real-valued function is said to be a function whose values lie on the real line. In the case of the complex plane, a function whose values lie on the real line is real-valued.
The Cauchy-Riemann equations, which define the necessary conditions for a function f(z) to be analytic in a domain, say that the imaginary component of f(z) is determined by its real component.
To be more precise, if f(z) is real-valued for all z in D, then we can say that:u(x, y) = f(z),v(x, y) = 0
By definition, the Cauchy-Riemann equations can be stated as:
∂u/∂x = ∂v/∂y∂u/∂y = -∂v/∂x
Taking the first equation, we get:
∂u/∂x = ∂v/∂y => ∂v/∂y = 0
Since v is equal to 0 for all values of x and y, the above equation reduces to ∂u/∂x = 0, which implies u is constant with respect to x.
Similarly, taking the second equation, we get:
∂u/∂y = -∂v/∂x => ∂u/∂y = 0
Since u is equal to a constant for all values of x and y, the above equation reduces to ∂v/∂y = 0, which implies v is constant with respect to y. Since u and v are both constant with respect to their respective variables, u + iv = f(z) is a constant with respect to z throughout the domain D. Thus, we have proved that if f(z) is real-valued for all z in D, then f(z) must be constant throughout D.
To know more about the Cauchy-Riemann equation: https://brainly.com/question/30385079
#SPJ11
Rushing had net income of $157 million and average total assets of $1,830 million. Its return on assets (ROA ) is:
Rushing's return on assets (ROA) is 8.579%.To calculate the return on assets (ROA), we divide the net income by the average total assets.
In this case, the net income is $157 million, and the average total assets are $1,830 million.
ROA = Net Income / Average Total Assets
ROA = $157 million / $1,830 million
ROA = 0.08579 or 8.579%
The return on assets is a financial ratio that measures a company's profitability in relation to its total assets. It provides insight into how effectively a company is generating profits from its investments in assets.
In this case, Rushing's ROA indicates that for every dollar of average total assets, the company generated a net income of approximately 8.579 cents. This implies that Rushing has been able to generate a reasonable level of profitability from its asset base.
ROA is an important metric for investors, as it helps assess the efficiency and profitability of a company's asset utilization. A higher ROA indicates that a company is generating more income for each dollar of assets, which suggests effective management and utilization of resources. Conversely, a lower ROA may suggest inefficiency or poor asset management.
However, it's important to note that ROA should be interpreted in the context of the industry and compared to competitors or industry benchmarks. Different industries have varying levels of asset intensity, so comparing the ROA of companies in different sectors may not provide meaningful insights. Additionally, changes in a company's ROA over time should be analyzed to understand trends and performance improvements or declines.
Overall, Rushing's ROA of 8.579% indicates a reasonably effective utilization of its assets to generate profits, but a more comprehensive analysis would require considering additional factors such as industry comparisons and historical trends.
Learn more about average at: brainly.com/question/24057012
#SPJ11
HURRY WILL MARK BRAINLIEST
Evaluate.
(18−42+2)21÷4⋅12
Responses
2
32
64
128
Answer:
128
Step-by-step explanation:
solve for inside parentheses:
-22x21÷4-12
do multiplication and division:
-115.5-12
subtract:
-127.5
Hope this helps
What value of y makes the equation below true?
y + 29 = 11
A. 81
B. 8.9
C. 9.1
D. 13.9
Answer:
y = -18
Step-by-step explanation:
Given that,
y+29 =11
We need to find the value of y.
Subtract 29 to both sides of the above equation.
y+29-29 =11-29
y = -18
So, the value of y is equal to -18.
in a game of texas hold'em, what is the expected value of getting a face card in a players initial two-card hand?
The expected value of getting a face card in a player's initial two-card hand in a game of Texas Hold'em is :
44.65%.
To calculate the expected value of getting a face card in a player's initial two-card hand in a game of Texas Hold'em, we need to consider the probability of getting a face card and the number of face cards in the deck.
Determine the number of face cards in a standard deck of 52 cards.
There are 4 suits (hearts, diamonds, clubs, spades) and 3 face cards in each suit (jack, queen, king). So, there are 4 x 3 = 12 face cards in total.
Calculate the probability of getting a face card in the first card.
The probability is the number of face cards divided by the total number of cards: 12 face cards / 52 total cards = 12/52 = 3/13 ≈ 0.23077.
Calculate the probability of getting a face card in the second card.
Since one card is already drawn, there are 51 cards left in the deck and 11 face cards left (assuming the first card was a face card). The probability is 11 face cards / 51 total cards ≈ 0.21569.
Calculate the expected value of getting a face card in a player's initial two-card hand.
Expected value (EV) = Probability of getting a face card in the first card + Probability of getting a face card in the second card
EV ≈ 0.23077 + 0.21569 ≈ 0.44646
So, the expected value of getting a face card in a player's initial two-card hand in a game of Texas Hold'em is approximately 0.44646 or 44.65%.
To learn more about probability visit : https://brainly.com/question/13604758
#SPJ11
What is the answer for this problem
Answer: Y= -3/7+5
Step-by-step explanation:
How many gallons of a 12% salt solution should a biologist add to 5 gallons of a 15% salt solution to get a 14% solution?
The volume of the 12% salt solution to be added is; 2.5 gallons.
Ratio and Proportion of VolumeLet the volume of 12% required be x and the new volume of the mixture be (x+5).
On this note, it follows that;
12x + 15(5) = 14(5+x)12x + 75 = 70 + 14x.Hence, -2x = -5
Divide both side by -2;
x = -5/-2x = 2.5 gallons.
Read more on ratios and Proportions;
https://brainly.com/question/13513438
a pilot flew 1308.3 miles this week The pilot flew the same number of miles each of 3 days this week. How many miles did the pilot fly each day?
Answer:
Step-by-step explanation:
The pilot flew 436.1 miles each day.
pls help with math question !
thank you !!
Answer:
42 degrees
Step-by-step explanation:
All the interior angles in a triangle add up to 180 degrees. Knowing this, we can construct the following equation:
\(180=84+54+a\\180=138+a\)
Subtract both sides by 138
\(180-138=138+a-138\\42=a\)
I hope this helps!
Find the number of turns or bumps in the graph of the function f(x) = x² - 25
Answer:
1 turn
Step-by-step explanation:
this is what the graph would look like:
The speed of a car traveling on a straight road increases from 63 m/s to 75 m/s in 4.2 s. What is the car's acceleration
Answer:
2.857m/s^2
Step-by-step explanation:
Acceleration (a) is the change in velocity (v) over the change in time (t), represented by the equation a = v/t.
What is the value of x? Enter your answer in the box. x =
Check the picture below.
PLEASE HELP I REALLY NEED THIS ANSWERED, I NEED THE VOLUME OF BOTH CYLINDERS PLZ DONT USE AN ONLINE CALCULATOR THEY GIVE THE WRONG ANSWER
Answer:
\(\large\fbox{\green{\underline{Cylinder P :- \blue{ 794.0275 in ³}}}}\)
\(\large\fbox{\green{\underline{Cylinder Q :- \blue{1,307.81 in³}}}}\)
Step-by-step explanation:
Volume of cylinder = π × ( radius ) ² × h
1.) Here, radius = 4.25 in and height = 14 in.
Volume of cylinder = π × ( radius ) ² × height
substitute the values
Volume of cylinder P = 3.14 × ( 4.25 in ) ²×14 in.
now, simplify
= 3.14 × 18.0625 in²× 14 in.
= 3.14 × 252.875 in³
multiplying the value
= 794.0275 in³
\( \small \: \: \sf \: \fbox{ cirumference \: of \: cylinder \: P \: = {794.0275 in³}}\)
2.) Here, radius = 7 in. and height = 8.5 in.
Volume of cylinder Q = π × ( radius ) ² × height
substitute the values
Volume of cylinder Q = 3.14 × ( 7 in )² × 8.5 in.
Simplify
= 3.14 × 49 in² × 8.5 in.
multiply the values
= 3.14 × 416.5 in³
\( \small \sf \fbox{Volume of cylinder Q = 1,307.81 in ³}\)
in triangle abc it is given that AB =9 cm Bc=6cm and Ca = 7.5 cm also
triangle def is given that ef =8 cm and triangle def similar to triangle abc then perimeter of triangle def is
Answer:
Make me as brain liest plz
The perimeter of triangle DEF is; 30 cm
Similar TrianglesWe are given dimensions of Triangle ABC as;
AB = 9 cmBC = 6 cmCA = 7.5 cmThus;
Perimeter of Triangle ABC = 9 + 6 + 7.5 = 22.5 cm
We are told that Triangle DEF is similar to Triangle ABC.
This means that the ratio of corresponding sides must be equal to the ratio of their perimeter.
Side EF corresponds to side BC. Thus;
Perimeter of Triangle DEF/22.5 = 8/6
Cross multiply to get;
Perimeter of Triangle DEF = (22.5 × 8)/6
Perimeter of Triangle DEF = 30 cm
Read more on similar triangles at; https://brainly.com/question/14285697
Evaluate 4 - (2.5+7.82)
Four less than a number is seventeen Define the variablewrite the equation solveanswer check
We define x as the number that we are looking for
now, we will write the equation following the conditions that they give us
\(4-x=17\)Now we pass -x to the right with opposite sign, and 17 to the left with opposite sign
\(4-17=x\)The we solve the substraction and we have
\(x=-13\)Finally, we can check if our answer actually fulfill the conditions given below
\(4-(-13)=\text{ 17}\)100 POINTS AND BRAINLIEST!!!! Please EXPLAIN how you got the answer
9514 1404 393
Answer:
D) $304.47
Step-by-step explanation:
The value of the account is found using the compound interest formula:
A = P(1 +r/n)^(nt)
where interest rate r compounded n times per year for t years is applied to principal P.
A = $300(1 +0.0148/365)^(365·1) ≈ $304.47
Answer:
D
Step-by-step explanation:
degree of polynomial x^2+2xy+y^2
Answer:
4
Step-by-step explanation:
2+2 = 4
Answer:
2
Step-by-step explanation:
x²+2xy+y²
Here x² has degree 2
2xy has degree also 2 because x has 1 degree and y has 1 degree so 1+1=2
y² has degree 2
So the highest degree of the expression is 2
The distance from earth to the sun is thought to be 1.496 × 108 kilometers. What is this distance when in standard notation?
Answer:
I think it is 149,600,000.
Step-by-step explanation:
If the 8 is supposed to be the exponent. Then you move the decimal 8 times to the right.
(Factoring Algebraic Expressions MC) Factor −4x2 + 12x. 4x(−x + 3) −4x(x + 3) x(4x + 12) 4(−x2 + 12x)
The factorization of given polynomial is 4x(-x+3). Therefore, option A is the correct answer.
The given algebraic expression is -4x²+12x.
What are factors of polynomial?The factors are the polynomials which are multiplied to produce the original polynomial.
The factorization of the given polynomial is
-4x²+12x
= 4x(-x+3)
The factorization of given polynomial is 4x(-x+3). Therefore, option A is the correct answer.
To learn more about the factorization of polynomial visit:
https://brainly.com/question/16789195.
#SPJ1
The perimeter of a square is directly proportional to the length of one of its sides. The perimeter is 28 when the length of a side is 7.
What is the constant of proportionality?
Step-by-step explanation:
check the pic
answer is 4
How many different committees can be formed from 12 teachers and 43 students if the committee consists of 3 teachers and 4 students?
The committee of 7 members can be selected in BLANK
different ways.
Answer:
\( \displaystyle 27150200\)
Step-by-step explanation:
we are two conditions
committees can be formed from 12 teachers and 43 studentsthe committee consists of 3 teachers and 4 studentsIn choosing a committee, order doesn't matter; in case of teachers we need the number of combinations of 3 people chosen from 12
remember that,
\( \displaystyle\binom{n}{r} = \frac{n!}{r!(n - r)!} \)
with the condition we obtain that,
\(n = 12\)\(r = 3\)therefore substitute:
\( \displaystyle\binom{12}{3} = \frac{12!}{3!(12 - 3)!} \)
simplify Parentheses:
\( \displaystyle\binom{12}{3} = \frac{12!}{3! \cdot9!} \)
rewrite:
\( \rm \displaystyle\binom{12}{3} = \frac{12 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}{(1 \times 2 \times 3 )\cdot1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9} \)
reduce fraction:
\( \rm \displaystyle\binom{12}{3} = \frac{12 \times 11 \times 10}{1 \times 2 \times 3 } \)
rewrite 12 and 10:
\( \rm \displaystyle\binom{12}{3} = \frac{3 \times 2 \times 2 \times 11 \times 10}{1 \times 2 \times 3 } \)
reduce fraction:
\( \rm \displaystyle\binom{12}{3} = 2 \times 11 \times 10\)
simplify multiplication:
\( \rm \displaystyle\binom{12}{3} = 220\)
In case of students we need the number of combinations of 4 students choosen from 43 therefore,
\( \displaystyle\binom{43}{4} = \frac{43!}{4!(43 - 4)!} \)
simplify which yields:
\( \displaystyle\binom{43}{4} = 123410\)
hence,
The committee of 7 members can be selected in BLANK different ways is
\( \displaystyle 123410 \times 220\)
\( \displaystyle \boxed{27150200}\)
and we're done!
Which integer in the set has the greatest value (7, -7, -3, 3)?
OA) -7
OB) -3
O C) 3
OD) 7
Answer 7
Step-by-step explanation:
7 will be the greatest value.
Correct option is (D).
What is a Set?The definition of a set in mathematics is a group of things whose components are unchangeable and fixed. In other words, a set is accurately described as a group of data that does not pass from one person to another. The items can be written in any sequence, but they cannot be repeated in the set. Capital letters are used to denote the set.
Several other kinds of sets include the infinite set, the finite set, the equivalent set, the subset, the universal set, and the superset. Each kind of set has a different place in calculations. Sets are essentially used to represent large amounts of data and collections of data in everyday life. Thus, in this article, we'll learn about and talk about the universal set.
As per the given data:
The integer set is {7, -7, -3, 3}
For the greatest value, arranging the set in ascending order:
{-7, -3, 3, 7}
The greatest value will be 7.
To learn more on Set, click:
brainly.com/question/8053622
#SPJ7
Eve and Maria have summer jobs selling newspaper subscriptions door-to-door, but their compensation plans are different. Eve earns a base wage of $14 per hour, as well as $1 for every subscription that she sells. Maria gets $2 per subscription sold, in addition to a base wage of $3 per hour. If they each sell a certain number of subscriptions in an hour, they will end up earning the same amount. How much would each one earn? How many subscriptions would that be?
Answer:
if Maria sells 6 she will make 12 add base wage she earned 15. if eve sells 1 she will also make a profit of 15
at which point does the line y=2-x intersect the circle (x-3)^2+y^2=25
Answer:
Step-by-step explanation:
(6,-1) and (3,4)
15 first-year algebra students are learning how to solve two-step equations. the teacher notices that the students are not using precise mathematical language. which two instructional strategies should the teacher employ to encourage students to use precise mathematical language when completing this task? choose 2 answers
Solving an equation in algebra - mathematics will BOMDAS rule. Multiplication, division, addition, and subtraction are performed before.
However, in order to simplify things, if there are any exponential or logarithmic components, solve them first before applying BOMDAS to reduce them to a single solvable term. This is required by the rules.
So the list goes as
1. Exponents
2. Roots
3. Multiplication
4. Division
5. additional
6. Subtraction
However. Using a regular or scientific calculator will generate a lot of debate. A scientific calculator will adhere to the principles, while a typical calculator will evaluate from left to right or precisely the operator used first.
Using a scientific calculator, 5+2x3=11 instead of the normal one's 5+2x3=21.
Furthermore, the preferred behavior norm for division and multiplication is different.
Thus, people's difficulty with mathematics is not unjustified. The choice of how you want to approach it is ultimately up to you.
Know more about algebra
https://brainly.com/question/22399890
#SPJ4
–26.1 as a mixed number.
Answer:
-26 \(\frac{1}{10}\)
Step-by-step explanation:
.1 as a fraction is 1/10
Answer:
________________________________________________
Step-by-step explanation:
______________________________________________________________________________________________
solve for x round to the nearest tenth of a degree,if necessary.
Answer:
Solution given:
Cos X=Adjacent/hypotenuse
Cos X=6.5/8.4
x=Cos-¹(6.5/8.4)
x=39.3°
Let x be the sum of all the digits in your student id. How many payments will it take for your bank account to grow to $300x if you deposit $x at the end of each month and the interest earned is 9% compounded monthly.
HINT: If your student id is A00155926, the value of x=0+0+1+2+3+4+5+6=15 and the bank account grow to 300x=$4500.
It will take 26 payments to grow the bank account to $4500.
As per the problem, The amount to be deposited per month\(= $x = $15\)
The amount to be grown in the bank account
\(= $300x \\= $4500\)
Annual Interest rate = 9%
Compounded Monthly
Hence,Monthly Interest Rate = 9% / 12 = 0.75%
The formula for Compound Interest is given by,
\(\[\boxed{A = P{{\left( {1 + \frac{r}{n}} \right)}^{nt}}}\]\)
Where,
A = Final Amount,
P = Principal amount invested,
r = Annual interest rate,
n = Number of times interest is compounded per year,
t = Number of years
Now we need to find out how many payments it will take for the bank account to grow to $4500.
We can find it by substituting the given values in the compound interest formula.
Substituting the given values in the compound interest formula, we get;
\(\[A = P{{\left( {1 + \frac{r}{n}} \right)}^{nt}}\]\[A = 15{{\left( {1 + \frac{0.75}{100}} \right)}^{12t}}\]\[\frac{4500}{15} \\= {{\left( {1 + \frac{0.75}{100}} \right)}^{12t}}\]300 \\= (1 + 0.0075)^(12t)\\\\Taking log on both sides,\\log300 \\= 12t log(1.0075)\)
We know that \(t = (log(P/A))/(12log(1+r/n))\)
Substituting the given values, we get;
\(t = (log(15/4500))/(12log(1+0.75/12))t \\≈ 25.1\)
Payments required for the bank account to grow to $300x is approximately equal to 25.1.
Therefore, it will take 26 payments to grow the bank account to $4500.
Know more about bank account here:
https://brainly.com/question/14368059
#SPJ11
Suppose that the efficacy of a certain drug is 0.39. Consider the sampling distribution (sample size n = 215) for the proportion of patients cured by this drug. What is the mean of this distribution?
The mean of the sampling distribution for the proportion of patients cured by this drug, with a sample size of n = 215 and an efficacy of 0.39, can be calculated using the formula:
mean = efficacy = 0.39
The efficacy of a drug refers to its ability to produce a desired effect, in this case, the proportion of patients cured by the drug. The value of 0.39 indicates that 39% of patients treated with this drug are cured.
A sampling distribution is the distribution of all possible sample means that could be obtained from a population. In this case, the sampling distribution is for the proportion of patients cured by the drug, with a sample size of n = 215.
The mean of this sampling distribution is simply the same as the efficacy of the drug, which is 0.39. This is because the efficacy represents the true proportion of patients cured by the drug in the population, and the sample mean is expected to be a good estimate of this value as the sample size increases. Therefore, the mean of the sampling distribution is equal to the efficacy of the drug.
To know more about mean visit :-
https://brainly.com/question/1136789
#SPJ11