Answer:
Down 5 and left 3.
Step-by-step explanation:
Answer:
So it goes-8 for x and -5 for y aka to the left by 8 and down by 5
Step-by-step explanation:
A cooling tower is 120 meters tall. The sides of the tower are in the shape of a hyperbola defined by the equation startfraction x squared over 500 endfraction minus startfraction y squared over 900 endfraction = 1 with units in meters. The center of the tower is at the origin. How wide is the tower at the top? 50 m 92 m 100 m 184 m.
The width of the tower at the top will be 92 m.
What is a hyperbola?A hyperbola is made up of two mirror images of one another that resemble two infinite bows. These two sections are known as connected components or branches.
One of the three types of conic sections, the hyperbola is created when a plane and a double cone cross each other. (The parabola and ellipse are the other conic sections.
An ellipse is a specific instance of a circle. The conic is a hyperbola if the plane crosses both parts of the double cone without going through the apex of the cones.
There are numerous ways that hyperbolas can appear, including as the curve that represents the reciprocal function y(x)=1/x in the Cartesian plane, as the route that the shadow of a sundial's tip takes, and as the form of an open cone.
According to our question-
The sides of the tower are in the shape of a hyperbola defined by the equation x²/500 – y²/900 = 1 with units in meters.
The center of the tower is at the origin.
Then the width of the tower at the top will be
x²/500 – (120)²/900 = 1
x²/500 – 14400/900 = 1
x²/500 – 16 = 1
x²/500 = 1 + 16
x²/500 = 17
x² = 8500
x = 92.19 ≈ 92 m
Hence, The width of the tower at the top will be 92 m.
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Determine whether the graph of the given equations are parallel, perpendicular, or neither
Answer:
7) perpendicular
8) perpendicular
Step-by-step explanation:
If the equations are in the form:
y = mx + b
(they all are in this form in these questions)
the m, the number in front of the x, is the slope.
If the slopes are the "negative reciprocals" (opposite signs and flipped over from each other) of each other, then the lines are perpendicular.
You can also do a quick check by, if the m values are multiplied together you should get -1.
1/3 • - 3 = -1
1 • -1 = -1
1/3 and -3 have opposite signs and are reciprocals (flipped over)
1 and -1 are opposite signs. It isn't very obvious maybe that they are reciprocals, but they are. Like 1/1 flipped over is 1/1.
Find the x-intercept and y-intercept of the liné.
- 6x + 5y = 21
Answer:
x=-3.5 or -7/2 (same thing)
y=21/5
Step-by-step explanation:
x intercept is when y=0
y intercept is when x=0
so
x intercept is
-6x=21
x=21/-6
x=-3.5
y intercept is
5y=21
y=21/5
let s be a set with n elements and let a and b be distinct elements of s. how many relations r are there on s such that no ordered pair in r has a as its first element
the number of relations on set S such that no ordered pair has 'a' as its first element is 2^(n-1) - 1.
To count the number of relations on set S such that no ordered pair in the relation has element 'a' as its first element, we can consider the remaining (n-1) elements of S to form ordered pairs with the elements of S excluding 'a'.
For each of the (n-1) elements of S, we have two choices: either include it in the ordered pair or exclude it. Therefore, for each element, there are 2 possibilities. Since there are (n-1) elements in S, the total number of possible relations can be calculated as 2^(n-1).
However, since the relation must be such that no ordered pair has 'a' as its first element, we need to subtract the cases where 'a' is paired with any of the (n-1) elements. This means we subtract 2^(n-1) - 1.
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Which of the following points are more than 5 vertical units away from the point (0,-2) ? Choose all that
apply.
(6,-2)
(-8,-2)
(0-8)
(0,4)
Name the shape that will result from connecting the following points: (-4,1), 44,-4), (0,3), and
(0,-6).
O square
O rectangle
O trapezoid
O quadrilateral
Lionfish are considered an invasive species, with an annual growth rate of 69%. A scientist estimates there are 9,000 lionfish in a certain bay after the first year.
Part A: Write the explicit equation for f (n) that represents the number of lionfish in the bay after n years. Show all necessary math work.
Part B: How many lionfish will be in the bay after 6 years
According to the question There will be approximately 39,681 lionfish in the bay after 6 years.
Part A:
The explicit equation for \($f(n)$\) that represents the number of lionfish in the bay after \($n$\) years can be calculated using the formula for exponential growth:
\(\[f(n) = P \cdot (1 + r)^n\]\)
Where:
\($P$\) = Initial population (9,000 lionfish)
\($r$\) = Annual growth rate (69% or 0.69)
\($n$\) = Number of years
Substituting the given values into the equation:
\(\[f(n) = 9,000 \cdot (1 + 0.69)^n\]\)
Part B:
To find the number of lionfish in the bay after 6 years, we can substitute \($n = 6$\) into the equation:
\(\[f(6) = 9,000 \cdot (1 + 0.69)^6\]\)
Calculating the value:
\(\[f(6) = 9,000 \cdot (1.69)^6\]\)
\(\[f(6) \approx 9,000 \cdot 4.409\]\)
\(\[f(6) \approx 39,681\]\)
Therefore, there will be approximately 39,681 lionfish in the bay after 6 years.
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A bookshelf has 36 fiction books and 44 non-fiction books. What percentage of the total books are non-fiction?
Answer:
55%
Step-by-step explanation:
The total number of books is 80 (36+44) and 44 of the 80 books (44/80) are nonfiction. Converting this fraction to a percent would equal 55%.
A computer is on sale for $600. This is 75% of its original price. What was the original price of the computer?
Answer:
800
Step-by-step explanation:
a researcher believes that women today weigh less than in previous years. to investigate this belief, she randomly samples 41 adult women and records their weights. the scores have a mean of 111 lbs. and a standard deviation of 12.4. a local census taken several years ago shows the mean weight of adult women was 115 lbs. the obtained value of the appropriate statistic for testing h0 is
The given problem is concerned with hypothesis testing. The researcher believes that women today weigh less than in previous years. To investigate this belief, she randomly samples 41 adult women and records their weights. The obtained value of the appropriate statistic for testing H0 is t= -2.42.
Given that,
Population mean µ = 115 lbs
Sample mean x = 111 lbs
Sample size n = 41
Standard deviation σ = 12.4 lbs
hypothesis testing
Null hypothesis H0: µ = 115 lbs
Alternate hypothesis H1: µ < 115 lbs
Since the population standard deviation is unknown and the sample size is less than 30, we use a t-distribution to test the hypothesis. The formula for the t-test statistic is,
t= (x- µ)/(s/√n)
Where, x = sample mean, µ = population mean, s = sample standard deviation, and n = sample size
Substituting the given values in the above formula, we get,
t= (111 - 115) / (12.4/ √41)t= -4 / 1.93t= -2.07
The obtained value of the appropriate statistic for testing H0 is t= -2.07.
The calculated t-value is compared with the critical value of t with degrees of freedom (df) = n-1 = 41-1 = 40 at the desired significance level. If the calculated t-value is less than the critical value of t, we reject the null hypothesis. Otherwise, we fail to reject the null hypothesis.
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Find the minimum value of the function f(x) =0. 9x2+3. 4x-2. 4
The minimum value of the function f(x) =0. 9x2+3. 4x-2. 4 is -3.77 and its parabolic curve is upward because of its minimum value.
Let's consider the equation of a function.
f(x) = \(0.9x^{2} + 3.4x -2.4\)
Now, divide each and every element and assume that a, b, and c are coefficients of the function given.
a: 0.9
b: 3.4
c: -2.4
The sign of the coefficient of a determines the exposure of the parabola. Since a > 0, the parabola is open upwards and has a minimum value.
We can find the "x" of the vertex using the following expression.
x(v) = -b/2a = -3.4/(0.9)
x(v) = -3.77
We can find the "y" of the vertex by replacing this x in the equation
y(v) = 0.9(-3.77)² + 3.4(-3.77) -2.4
y(v) = -2.42
The minimum value of the function is -3.77
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A car corporation produced 940
fewer cars this month than last.
Write a signed number to represent this month's change in production
The signed number to represent ''A car corporation produced 940 fewer cars this month than last'' is - 940.
What is meant by signed number representations ?Negative integers in binary number systems must be encoded in computation using signed number representations.In mathematics, negative integers in any base are denoted by a minus sign ("-") before them. However, numbers are solely represented as bit sequences, without any additional symbols, in RAM or CPU registers. The four most popular ways to express signed integers using the binary numeral system are offset binary, ones' complement, two's complement, and sign-magnitude. Some of the other techniques, such negative binary with the base 2, employ implicit signs rather than explicit ones. For different bases, whether positive, negative, fractional, or other elaborations on such themes, corresponding algorithms can be developed.Learn more about signed number refer to :
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Find the value of X
Find the measures of the following angles
Answer:
angle X = 80; angle Y = 100; angle W = 100; x = 10
Step-by-step explanation:
opposite angles are always equal, which means that angle Z and angle X are equal.
angle X = 80º
now, angle Z plus angle Y makes a straight line, which means 180º (if you put the two angles next to each other)
that means 80 + (11x - 10) = 180
11x = 110
x= 10
by using this, we can find angles Y and W since opposites are equal
11x - 10 would be 100 and angles Y and W would be 100
A grocery store clerk can scan 1 product every 1/2 of a second. At what rate can she scan products?
Answer:
If you're going off of scans per second, it's be 2 scans per second.
Step-by-step explanation:
If you're going off of scans per hour, it's be 120 scans per hour.
What is the total annual dividend received from owning 50 shares of stock A, if Company A issues a $0.10 quarterly dividend to its shareholders?
total annual dividend = [?]
Round to the nearest hundredth.
Answer:
20 dollars
Step-by-step explanation:
.10 x 4 (each quareter) = .40
.40 x 50 = 20.00
= $20.00
Please help‼️ domain and range‼️
The domain and the range of the function are (-∝, ∝) and (0, ∝), respectively
Calculating the domain and range of the graph?From the question, we have the following parameters that can be used in our computation:
The graph
The above graph is an exponential function
The rule of an function is that
The domain is the set of all real values
In this case, the domain is (-∝, ∝)
For the range, we have
Range = (0, ∝)
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At age 45 when the deferred payments from his current contract ends, all-star shortstop Alex Rodriguez plans to have $230 million in savings from his baseball playing days. He wants two things from his savings: a 40-year ordinary annuity and $500 million at age 60 in order to purchase majority ownership in his native Miami's Florida Marlins. How large can his annual annuity payment be based on this information and assuming his savings can earn 8% annually after age 45 ? $6,069,727 $5,620,118 $6,906,832 $6,395,215
Therefore, the annual annuity payment can be approximately $6,069,727.
To calculate the size of the annual annuity payment, we can use the present value formula for an ordinary annuity. The formula is given by:
PMT = PV / [(1 - (1 + r)⁻ⁿ) / r]
Where:
PMT = Annual annuity payment
PV = Present value of the annuity
r = Annual interest rate
n = Number of periods
Given:
PV = $230 million
r = 8% = 0.08
n = 40 years
Using the formula, we can calculate the annual annuity payment:
PMT = 230,000,000 / [(1 - (1 + 0.08)⁻⁴⁰) / 0.08]
PMT ≈ $6,069,727
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What is the best approximation of the solution to the system to the nearest integer values?
A. (7, 0)
B. (1, 7)
C. (0, 6)
D. (7, 1)
Step-by-step explanation:
the "solution" of a system of 2 functions is the point (or points), where both curves intersect.
the closest grid point (with integer coordinates) is x = 1. y = 7.
so, the answer is
B. (1, 7)
20 points!!! ASAP!
A flower garden has a length of 10.5 feet and a width of 4.4 feet.
Which is the area of the garden, in square feet?
(A)44.2
(B)45.2
(C)84
(D)88
Answer: B I guess
Step-by-step explanation:
FILL IN THE BLANK. a method that is invoked when an object is created is known as a _________ method.
The method that is invoked when an object is created is known as a constructor method.
Constructor in C++ is a special method that is invoked automatically at the time of object creation. It is used to initialize the data members of new objects generally.
The constructor in C++ has the same name as the class or structure. Constructor is invoked at the time of object creation. It constructs the values i.e. provides data for the object which is why it is known as constructors.
Constructor does not have a return value, hence they do not have a return type.
The prototype of Constructors is as follows:
<class-name> (list-of-parameters);
Constructors can be defined inside or outside the class declaration:-
The syntax for defining the constructor within the class:
<class-name> (list-of-parameters) { // constructor definition }
The syntax for defining the constructor outside the class:
<class-name>: :<class-name> (list-of-parameters){ // constructor definition}
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What is the slope of the line graphed above?
A. -2
B. -1
c. -1/2
d. 1/2
E. 2
Answer:
-1/2
Step-by-step explanation:
pass (0,1) (2,0)
slope = rise/run = -1/2
someone please help.
The completed table with regards to terms of an expression are presented as follows;
Condition \({}\) (6·x + 3) + (5·x - 4) (-4·y - 16) - 8·y + 10 + 2·y
Exactly 3 terms N/A \({}\) N/A
Exactly 5 terms N/A \({}\) N/A
Includes a zero pair No \({}\) No
Uses distributive property No No
Includes a negative factor No
Has no like terms False False
Condition \(8 - \dfrac{1}{2} \cdot \left(4 \cdot x - \dfrac{1}{2} + 12\cdot x -\dfrac{1}{4} \right)\) 0.25·(8·m - 12) - 0.5·(-4·m + 2)
Exactly 3 terms No \({}\) No
Exactly 5 terms Yes \({}\) \({}\) No
Includes a zero pair No \({}\) \({}\) Yes
Uses the distributive property Yes \({}\) Yes
Includes a negative factor Yes \({}\) Yes
Has no like terms No \({}\) No
What is a mathematical expression?A mathematical expression is a collection of variables and numbers along with mathematical operators which are all properly arranged.
The details of the conditions in the question are as follows;
Terms of an expression
A term is a subunit of an algebraic expression which are joined together by operators such as addition or subtraction
Zero pair
A zero pair are two numbers that when added together have a zero result
Distributive property
The distributive property of multiplication states that the multiplication of a number or variable by an addend is equivalent to the sum of the multiplication of the number or variable and each member of the addend
Negative factor
A negative factor is a factor that has a negative sign prefix
Like terms
Like terms are terms consisting of identical variables with the same powers of the variable
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Betty and Jane have the same number of coins. Betty
sorts her coins in groups of 6, with no coins left over.
Jane sorts her coins in groups of 8, with no coins left
over. What is the least possible number of coins that each
of them has?
Using the least common multiple, it is found that the least possible number of coins that each of them has is of 24.
What is the least possible number of coins that they have?They have the same number of coins, with Betty sorting the coins in groups of 6 and Jane sorting the coins in groups of 8, and none of them having coins remaining.
Thus, the least possible number of coins they have is the least common multiple of 6 and 8, found factoring both these numbers into prime factors, as is done below:
6 - 8|2
3 - 4|2
3 - 2|2
3 - 1|3
1
Hence the least common multiple of 6 and 8 is given by:
lcm(6,8) = 2 x 2 x 2 x 3 = 2³ x 3 = 24.
Thus, it is found that the least possible number of coins that each of them has is of 24.
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what is the square rute of 24.
Answer is
4.89
Step-by-step explanation
Which situation can be represented by the
equation y + 19 = 30?
Andrea receives $30 for every good grade
on a report card. If Andrea had
19 good grades, how much money did she
receive?
If a grocer adds 19 pieces of fruit to a
basket, there are now 30 pieces in the
basket. How many pieces of fruit were
already in the basket?
A student spends 19 hours on homework
every week. After 30 weeks, how many
hours of homework did the student
complete?
A large candy bar is split into 30 pieces
and a smaller candy bar is split into
19 pieces. How many pieces are there
total?
Answer: it will be 11
Step-by-step explanation: 11+19=30
6. (NO CALC) The function f has a Taylor series about x=1 that converges to f(x) for all x in the interval of convergence. It is known that f(1)=1, f′(1)= −½, and the nth derivative of f at x=1 is given byfⁿ(1)=(-1)ⁿ(n-1)!/2ⁿ for n≥2(a) Write the first four nonzero terms and the general term of the Taylor series for f about x=1.
The first four terms are f( x) = 1-1/2(x-1)+1/4(x-1) ²/ 2! - 1/8(x-1) ³/ 3!. The general term of the Taylor series for f( x) about x = 1 is
(- 1) ⁿ\((x-1)^{n}\)/( 2ⁿn).
The Taylor series for f( x) about x = 1 can be written as
f( x) = ∑( n = 0 to ∞) fⁿ( 1)/\(n!^{n}\)
where fⁿ( 1) denotes the utmost derivative of f at x = 1.
Using the given information, we can write the first four nonzero terms of the Taylor series for function f( x) about x = 1 as
f( 1) +f'( 1)(x-1) +f''( 1)(x-1) ²/ 2!+ f'''( 1)(x-1) ³/ 3!............
Substituting f( 1) = 1, f'( 1) = -1/ 2, f''( 1) = 1/4, and f'''( 1) = -1/ 8 in the below equation, we get
f( x) = 1-1/2(x-1)+1/4(x-1) ²/ 2! - 1/8(x-1) ³/ 3!............
The general term of the Taylor series can be attained by substituting the utmost outgrowth of f at x = 1 in the below equation
fⁿ( 1)/\(n!^{n}\)= (- 1) ⁿ( n- 1)!/ 2ⁿn!\((x-1)^{n}\) = (- 1) ⁿ\((x-1)^{n}\)/( 2ⁿn)
thus, the general term of the Taylor series for f( x) about x = 1 is
(- 1) ⁿ\((x-1)^{n}\)/( 2ⁿn)
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What would this be? Sin,tan, or cos
Answer:
it's answer is Sin
Step-by-step explanation:
sin=P÷B
Find the volume of this triangular prism.
Answer:
v = 9x9x0.5x5 = 202.5 ft^3
Step-by-step explanation:
in conditional statements, the part of the statement following ‘if’ is called ___antecedent or consequent
The part of the statement following "if" is called the antecedent, and the part of the statement following "then" is called the consequent in conditional statements.
The if statement evaluates the test expression inside the parenthesis ().
If the test expression is evaluated to true, statements inside the body of if are executed.
If the test expression is evaluated to false, statements inside the body of if are not executed.
The part of the statement following "if" is called the antecedent, and the part of the statement following "then" is called the consequent in conditional statements.
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In conditional statements, the part of the statement following 'if' is called the antecedent.
The antecedent is the condition that needs to be true for the consequent to occur.
The consequent is the part of the statement that follows 'then.'
An antecedent is a noun or pronoun that denotes a specific being, place, object, or clause.
It's also referred to as a referent. Without an antecedent, a sentence may be insufficient or nonsensical since it is
required to establish what or to whom a pronoun in a sentence is referring.
In summary, a conditional statement is structured as "if (antecedent) then (consequent)."
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The polynomial of degree 5, P(x) ha leading coefficient 1, ha root of multiplicity 2 at x=1 and x=0, and a root of multiplicity 1 at x=−5
Find a poible formula for P(x). P(x)=
The possible formula for P(x) would be \(P(x)=x^5+x^4-5x^3+3x^2\).
What is a polynomial?
A polynomial is a mathematical expression made up of coefficients and indeterminates that uses only the operations addition, subtraction, multiplication, and powers of positive integers of the variables. x² + 4x + 7 is an illustration of a polynomial with a single indeterminate x.
The polynomial of degree 5.
Each root corresponds to a linear factor, so we can write:
\(P(x) = x^2(x-1)^2(x+3)\\\\P(x)=x^2(x^2-2x+1)(x+2)\\\\P(x)=x^5+x^4-5x^3+3x^2\)
Hence, the possible formula for P(x) would be \(P(x)=x^5+x^4-5x^3+3x^2\).
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I WILL GIVE BARINLIEST TO THE FIRST PERSON WHO ANSWERS MY QUESTION!!!!!
Can someone please help me? I really need the help right now.
Which of the following is equal to g(x)?
A. 2(x + 2)
B. 2x + 2
C. 2x - 2
D. 2(x - 2)
( Also I am bo*red...Can someone talk to me.....Anyone...Idc who you are....Unless your cr33py then I care)
Using translation concepts, the formula for function g(x) is given by the following option:
D. g(x) = 2^(x - 2)
What is a translation?A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.
From the graph of the functions, we have that:
f(x) = 2 when x = 1.g(x) = 2 when x = 3.f(x) = 4 when x = 2.g(x) = 4 when x = 4.This means that g(x) is a shift right of 2 units of f(x), that is:
g(x) = f(x - 2).
Hence:
g(x) = 2^(x - 2)
The formula for function g(x) is given by the following option:
D. g(x) = 2^(x - 2)
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