Answer:
Step 1: f(0) = -2
I also attached the graph in the explanation!
Step-by-step explanation:
f(x) = 0.5^x -3
f(0) = 0.5^0 - 3
f(0) = 1 - 3
f(0) = -2
I attached the graph below.
please helpp with my math question
Answer:
11.1
Step-by-step explanation:
sin 46 · x = 8
0.71934 x = 8
x = 8/0.71934
x = 11.121306
It costs $$3535 per hour to rent a boat at the lake. You also need to pay a $$2525 fee for safety equipment. You have $$200200. How long can you rent the boat?.
you can rent the boat 55.92 hour if It costs $$3535 per hour to rent a boat at the lake. You also need to pay a $$2525 fee for safety equipment.
What is an example of an equation?
In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
It costs $$3535 per hour to rent a boat at the lake.
You also need to pay a $$2525 fee for safety equipment.
You have $$200200.
safety fee only once
so 200200-2525 = 197675
if one hour fees is 3535
then 197675/3535
= 55.92
hence he rent boat at the lake 55.92 hour
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ONE SHARE OF BEEPCO PREFERRED STOCK PAYS AN
ANNUAL DIVIDEND OF $1. 20. TODAY BEEPCO CLOSED AT
$34. 50 WITH A NET CHANGE OF -$0. 50. WHAT WAS THE
STOCK'S YIELD AT YESTERDAY'S CLOSING PRICE?
O
The yield of stock at yesterday's closing price is 3.43%.
What is Annual Dividend?Annual dividend is the profit of the stock which is divided among the shareholders, both common and preferred shareholders annually.
Given,
Annual dividend = $1.20
Today's closing price = $34.50
Net change = -$0.50
Let x be yesterday's closing price.
Net change = Today's closing price - yesterday's closing price
⇒ -0.50 = 34.50 - x
⇒ x = 34.50 + 0.50
⇒ x = 35
Yield = [tex]\frac{Annual dividend}{Price}[/tex] × 100
= [tex]\frac{1.2}{35}[/tex] × 100
= 3.4286 % ≈ 3.43 %
Hence the stock's yield at yesterday's closing price of preferred stock is 3.43 %.
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What is the vertical asymptote of y 1x − 5?
The vertical asymptote of y = 1x - 5 is x = 5, since the denominator becomes zero when x = 5 and the function is undefined at this point.
The vertical asymptote of y = 1x - 5 is x = 5. This is because when x = 5, the denominator of the function (1x - 5) becomes zero, and the function is undefined at this point. As a result, the vertical asymptote is x = 5. This can be seen by taking the limit of the function as x approaches 5 from either side. As x approaches 5 from the left, the limit of the function is negative infinity, and as x approaches 5 from the right, the limit of the function is positive infinity. Thus, the vertical asymptote of y = 1x - 5 is x = 5, since the denominator becomes zero when x = 5 and the function is undefined at this point.
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Each of the following tables defines a relationship between an input x and an output y. Which of the relationships represent functions? table a x -8 -3 0 6 y 24 4 9 72 table b x 9 15 24 38 y -14 -16 53 29 table c x 15 24 24 100 y -16 53 29 7 table d x -8 6 0 6 y 24 4 9 72 a. Table a and table c b. Table a and table b c. Table b and table c d. Table c and table d.
Table a and table c defines a relationship between an input x and an output y of function.
A function is a set of ordered pairs (x, y) in which each value of x corresponds to exactly one value of y. In other words, for a given value of x, there should be only one corresponding value of y.
Looking at the tables, we can see that Table a and Table d both satisfy this condition. In both tables, for each value of x, there is only one corresponding value of y. Therefore, Tables a and d represent functions.
Table b and Table c do not satisfy this condition, because there are multiple values of y for some of the values of x.
For example, in Table b, the value of x is 24 for both (24, 53) and (24, 29). Similarly, in Table c, the value of x is 24 for both (24, 53) and (24, 29). Therefore, Tables b and c do not represent functions.
Therefore table a and table c represents function of input x and output y.
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A function is a collection of ordered pairs (x, y) where each x-value is matched up with exactly one y-value. In other words, there should only be one value of y that corresponds to a certain value of x.
We can see from the tables that Tables a and Table d both meet this requirement. In both tables, there is only one value of y that corresponds to each value of x. Tables a and d so depict functions.
Because there are many possibilities of y for some of the values of x, Tables b and c do not meet this requirement.
For instance, the value of x in Table b is 24 for both (24, 53) and (24, 29). The value of x is 24 in Table c for both (24, 53) and (24, 29). Tables b and c do not, therefore, represent functions.
Tables a and c therefore show the function of input x and output y.
y shopping a survey of u.s. adults found that of people said that they would get no work done on cyber monday since they would spend all day shopping online. find the confidence interval of the true proportion. round intermediate answers to at least five decimal places. round your final answers to at least three decimal places.
The required real proportion's 95% confidence interval is (0.301; 0.359).
What is a confidence interval?In statistics, a confidence interval describes the likelihood that a population parameter would fall between a set of values for a given percentage of the time.
Confidence ranges that include 95% or 99% of anticipated observations are frequently used by analysts.
So, the sample size is 1000.
Phat = 0.33
(1 - phat) = 1 - 0.33 = 0.67
Zcritical = 1.96 at 95%
The confidence range is as follows:
Phat ± margin of error
Margin of Error = Zcritical * sqrt[(phat(1 - phat)) /n]
Margin of Error = 1.96 * sqrt[(0.33 * 0.67) / 1000]
Margin of Error = 1.96 * 0.0148694
Margin of Error = 0.0291440
Lower boundary = (0.33 - 0.0291440) = 0.300856
Upper boundary = (0.33 + 0.0291440) = 0.359144
Therefore, the required real proportion's 95% confidence interval is (0.301; 0.359).
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Correct question:
Cyber Monday Shopping A survey of 1000 U.S. adults found that 33% of people said that they would get no work done on Cyber Monday since they would spend all day shopping online. Find the 95% confidence interval of the true proportion.
What is the mode of 2 6 5 3 0 3 4 3 2 4 5 2 4?
The given values are 2,6,5,3,0,3,4,3,2,4,5,2,4
There are the following values as shown in the given data.
To find the mode first we have to assign each value that how many times it appears.
1. 2-3 the number 2 appears only Three times.
2. 6-1 the number 6 appears one time.
3. 5-2 the number 5 appears only two times.
4. 3-3 the number 3 appears only three times.
5. 0-1 the number 1 appears only one time.
6. 4-3 the number 4 appears only Three times.
So, the mode of the given data is 4,3,2 as it appears the most number of times.
If a given set of values with two modes is bimodal, a given set of numbers with three modes is trimodal, and any set of numbers with more than one mode is multimodal.
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What is a set in UK school?
Sets are a collection of well-defined objects or elements. A set is represented by a capital letter symbol and the number of elements in the finite set is represented as the cardinal number of a set in a curly bracket {…}.
Now, According to the question :
Sets are a collection of well-defined objects or elements. A set is represented by a capital letter symbol and the number of elements in the finite set is represented as the cardinal number of a set in a curly bracket {…}. For example, set A is a collection of all the natural numbers, such as A = {1,2,3,4,5,6,7,8,…..∞}. Also, check sets here.
Sets can be represented in three forms:
1. Roster Form: Example- Set of even numbers less than 8={2,4,6}
2. Statement Form: Example-A = {Set of Odd numbers less than 9}
3. Set Builder Form: Example: A = {x: x=2n, n ∈ N and 1 ≤ n ≤ 4}
What are the types of Sets?
A set has many types, such as;
1. Empty Set or Null set
2. Finite Set
3. Infinite Set
4. Equal Set
5. Subsets
6. Universal Set
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ellen's greenhouse is in the shape of a hemisphere. the diameter of the floor is 18 feet. what is the approximate volume of the greenhouse? ellen's greenhouse is in the shape of a hemisphere. the diameter of the floor is 18 feet. what is the approximate volume of the greenhouse? 1,527 ft3 3,054 ft3 12,215 ft3 24,429 ft3
The approximate volume of the greenhouse will be 1,527 ft³.
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
Given that;
Ellen's greenhouse is in the shape of a hemisphere.
And, The diameter of the floor is 18 feet.
Now,
Since, Ellen's greenhouse is in the shape of a hemisphere.
We know that;
⇒ The volume of Hemisphere = (2/3) πr³
Here, The diameter of the floor is 18 feet.
Hence, The radius of the floor = 18/2
= 9 feet
So, We get;
⇒ The volume of Hemisphere = (2/3) πr³
⇒ The volume of Hemisphere = (2/3) × 3.14 × 9³
= 1,527 ft³
Thus, The approximate volume of the greenhouse = 1,527 ft³
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What is the formula for solving a triangle?
The law of cosines generalizes the Pythagorean formula to all triangles. It says that c^2, the square of one side of the triangle, is equal to a^2 + b^2, the sum of the squares of the the other two sides, minus 2ab cos C, twice their product times the cosine of the opposite angle. When the angle C is right, it becomes the Pythagorean formula.
c^2=a^2 + b^2 - 2abcosC
Pythagorean formula
Pythagoras theorem states that “In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides“.
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Working together, Aaron and Rosa can mow the lawn around the local library in 3 hours. Working alone, Aaron can mow the lawn in 5 hours. Write and solve an equation to determine how long it would take Rosa to mow the lawn by herself.
Answer:
Below
Step-by-step explanation:
1/a + 1/r = 1/3 a = aaron rate r = rosa rate 3 = rate of both
1/5 + 1/r = 1/3
1/r = 2/15
r = 15/2 = 7.5 hr for rosa alone
What is the solution of the given equations 3x y 10 xy 2 *?
The solution of the given system of equations 3x + y = 10 , x - y = 2 is equal to x = 3 and y = 1.
As given in the question,
Given system of equations are :
3x + y = 10 ____(1)
x - y = 2 _____(2)
Add equation (1) and (2) to eliminate y and get the value of x we have,
3x + y = 10
x - y = 2
4x = 12
⇒x = 12 / 4
⇒ x = 3
Substitute value of x = 3 in equation (1) to get the value of y for the given equation,
3(3) + y = 10
⇒ 9 + y = 10
⇒ y = 10 - 9
⇒ y = 1
Therefore, the solution of the given system of equations is equal to x = 3 and y =1.
The above question is incomplete, the complete question is:
What is the solution of the system of equations 3x + y = 10 , x - y = 2?
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What is the 4 types of arithmetic?
Addition, subtraction, multiplication and division are four type of arithmetic
Mention other arithmetic.Beside mentioned above exponential and modulus operations are also arithmetic
Why it is called arithmetic?The Greek noun arithmos, which means "number," is where the word arithmetic ultimately comes from. Along the way, it also appeared in Latin, Anglo-French, and Middle English. Even elementary mathematics has a rich vocabulary. Addition, subtraction, multiplication, and division are the four fundamental arithmetic operations.
So addition,multiplication, subtraction and division are 4 types of arithmetic
2+2=4
2*2=4
2/2=1
2-2=0
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Match the equation with the correct form.
Slope-Intercept Form
Point-Slope Form
Standard Form
1. ax + by = c
2. y+y₁ = m(x + x1)
3. y = mx + b
4. y - y₁ = m(x − x₁)
The equation of a line in different forms are:
1. The slope-intercept form: y = mx + b.
2. The point-slope form: y - y₁ = m(x − x₁).
3. The standard form: ax + by = c.
What is the Equation of a Line?There are three ways that an equation that represents a line can be written in, they are as follows:
1. The slope-intercept form: this is expressed as y = mx + b. In this form, we have the following values and what they each represent:
m = the slope of the line.
b = the y-intercept of the line,
x and y are the coordinates of a point on the line.
2. The point-slope form: this is expressed as y - y₁ = m(x − x₁). In this form, the variables represented are:
m = the slope of the line.
x₁ and y₁ are the coordinates of a point that the line passes through.
3. The standard form: this is expressed as ax + by = c. In this form, the variables a, b, and c are integers.
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I WILL MARK BRAINLIEST IF CORRECT!!
Home values are expected to decreased by 3% per year. Hadlee Recently purchased a home for $200,000. Which of the following equations can be used to represent the value of the home x years after the purchase?
A) f(x) = 200000(1.03)^x
B) f(x) = 200000(0.97)^c
C) f(x) = 3(1.03)^x
D) f(x) =3(0.97)^x
Answer:
B
Step-by-step explanation
Multiplying by 0.97 will decrease $200,000 to $194,000.
^c is x years after the purchase, so having (0.97)^c will make the $200,000 value decrease more and more.
What is a graph of a system of linear inequalities?
The graph of linear inequalities is straight line bounded by solid or dashed region.
why graphing system of linear inequalities is different?The graphing system of linear inequalities is different from linear eqaution because of using equal to inequal sign such as ≥ and ≤ or inequal sign < and >.
How to identify the difference?when we plot the poins on XY axis we get a straight line. The region that satisfy the inequalities of variables are bounded by either solid line or dashed line.
hence, the graphing system of linear variables has shaded portion where straights line is the boundary.
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Select all the true statements. a. if vertical angles are congruent, then two lines cut by a transversal are parallel. b. if two parallel lines are cut by a transversal, then corresponding angles are congruent. c. if two parallel lines are cut by a transversal, then alternate interior angles are congruent. d. points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints. e. points on a perpendicular bisector of a line segment are never equidistant from the segment’s endpoints.
b. if two parallel lines are cut by a transversal, then corresponding angles are congruent.
c. if two parallel lines are cut by a transversal, then alternate interior angles are congruent.
d. points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.
Identify the sample space of the probability experiment and determine the number of outcomes in the sample space Randomly choosing an even number between 1 and 10, inclusive
The sample space is______. (Use a comma to separate answers as needed. Use ascending order) There are________outcome(s) in the sample space.
Answer:
Step-by-step explanation:
Sample Space
off even numbers
= {2,4,6,8,10}.
There are 5 outcomes in the sample space,
What is the slope angle of Y 3x 1?
The level of a line's slope indicates its steepness, here θ = [tex]tan^{-1/3}[/tex] is the slope angle of Y = 3x + 1.
How do one find the slope of a graph?The slope is computed mathematically as "rise over run" (change in y divided by change in x).
In accordance with the slope equation, the slope of such a line may be determined by dividing the rise of the line between two positions by the run of the same line between the same two sites.
Now, given that,
Y = 3x + 1 ........ (1)
slope intercept form equation is: y = mx+c ........... (2)
next, if we compare (1) and (2)
it comes out to be
m = 3 representing slope
and c = 1 representing y-intercept.
now, slope angle: tan θ = m (slope)
tan θ = 3 [putting the value of m]
θ = [tex]tan^{-1/3}[/tex]
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The complete question is as follows:
What is the slope angle of Y = 3x + 1?
How can you prove that two triangles are similar in a circle?
To prove two triangles are similar in the given circles need to prove that intercepted arc formed by the pair of angles should be equal or same.
As given in the question,
Two triangles formed in the circle are similar required following steps to prove it correct:
Pairs of angles should have the same or equal intercepted arc in the given circle.Angle formed by same or equal intercepted arc are congruent to each other .Using AA theorem of similarity we can say two triangles formed in the circle are similar if and only if they have same intercepted arc.Therefore, to prove the two triangles are similar in the circle need to prove they have same intercepted arc formed by the pair of angles.
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A new road that connects uniontown to springville is 413 miles long. What is the change in distance when using the new road instead of the dirt roads? write your answer as a mixed number.
In mixed number form, the change in the distance when using the new road instead of the dirt roads is 2 1/12 miles lesser.
To determine the change in the distance when using the new road instead of the dirt roads, we need to find the difference between the distance of the new road and the distance of the dirt roads.
The distance of the dirt roads is the sum of the two measurements given, which is 2 3/8 + 3 5/6 = 5 15/24 miles.
The change in the distance when using the new road instead of the dirt roads is the difference between the distance of the new road and the distance of the dirt roads, which is 4 1/3 - 5 15/24 = -2 2/24 miles.
In mixed number form, the change in the distance when using the new road instead of the dirt roads is -2 and 2/24 = -2 1/12 miles.
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What is the SSS theorem?
What is the formula for area and volume?
Area: The total space covered by the two-dimensional surface of an object, or a flat shape is called an area.
Many different area formulas are available to get the area of various two-dimensional shapes. We can also get a shape's area by counting the number of unit squares that cover the whole surface of the object.
This method helps us to learn and make out the concept of area.
The unit of area is forever measured in square units like square centimeters, square meters, square inches, and so on.
Volume: The space enclosed within the object or the space covered by any three-dimensional solid object is known as volume.
To find the volume, we divide the occupied space into equal cubical units and calculate the total occupied cubical units, The unit of volume can be in a cubic centimeter, cubic meter, cubic inches, and so on.
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What is the minimum value of the function f x )= 16x 2 )- 16x 28?
The minimum value of the given function f(x) = 16x² −16x+28 is 24.
What are the Maxima and Minima of a Function?The curve of a function has peaks and troughs called maxima and minima. A function may have any number of maxima and minima. Calculus allows us to determine any function's maximum and lowest values without ever consulting the function's graph.
To find the minimum value of the function f(x) = 16x² −16x+28 using the derivative method, you can start by taking the derivative of the function. The derivative of a quadratic function is given by:
f'(x) = 2ax + b
In this case, the derivative of the function f(x) is:
f'(x) = 2×16x - 16
To find the minimum value, we need to find the x value that makes the derivative equal to zero. Setting the derivative equal to zero and solving for x gives us:
216x - 16 = 0
32x = 16
x = 0.5
Now that we have the value of x that minimizes the function, we can plug this value back into the original function to find the minimum value:
f(0.5) = 16×(0.5)² - 16(0.5) + 28 = 4 - 8 + 28 = 24
Therefore, the minimum value of the function is 24.
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What is zeros of polynomial 2x² 7x 4?
x=1/2 and x=-4 are zeros of the polynomial 2x²+7x-4=0.
What is Polynomial?Polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables
The given polynomial is 2x²+7x-4=0
To find the zero of 2x²+7x-4=0 we need to find the roots of polynomial.
2x²+7x-4=0
2x²+8x-x-4=0
Take 2x as common from first two terms
2x(x+4)-(x+4)=0
(2x-1)(x+4)=0
2x-1=0
2x=1
x=1/2 and x=-4 are zeros.
Hence, x=1/2 and x=-4 are zeros of the polynomial 2x²+7x-4=0.
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Ayuda pls con la tabla descripción y la ecuación pls
Answer:
Step-by-step explanation:
Is the equation a linear equation in two variables √ 2x √ 5y 16?
Yes , it Is the equation that is a linear equation in two variables √ 2x √ 5y 16
The equation of standard linear equation in two variables can be expressed as
ax + by + c = 0
here,
a, b,c are real numbers.
Power of x and y are 1,So named linear equation.
It must be sure that non of a and b is equal to zero.
If either of a and b is equal to zero,then the equation becomes linear equation in one variable.
Solution of linear equation in two variables:
If only one equation is given,then infinite many solutions are present.
If two equations are given,then three type of solutions are present:
Unique situation
Infinite many solutions
No solution
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a gardener bought 5 geraniums and 3 lilies from a nursery that had 14 geraniums and 12 lilies. determine how many choices the gardener has
The number of choices the gardener has is 440440
What is a combination?It is an arrangement of a set of numbers from a total set where the order of the set is not relevant.
The formula for combination is [tex]^nC_r[/tex] = n! / r!(n - r)1
We have,
Number of geranium = 14
Number of lilies = 12
Number of geranium bought = 5
Number of lilies bought = 3
The number of choices.
= [tex]^{14}C_5 \times ^{12}C_3[/tex]
= (14 x 13 x 12 x 11 x 10)/(5 x 4 x 3 x 2) x (12 x 11 x 10)/(3 x 2)
= 14 x 13 x 11 x 2 x 11 x 10
= 440440
Thus,
The number of choices is 440440.
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What is the value of X if X 35 :: 48 60?
Answer:
Hence, x=28.
Step-by-step explanation:
consumer reports rated airlines and found that 71% of the flights involved in the study arrived on time (i.e., within 15 minutes of scheduled arrival time). assuming that the on-time arrival rate is representative of the entire commercial airline industry, consider a random sample of 213 flights. (round your answers to two decimal places.) what is the expected number that will arrive on time? what is the standard deviation of this distribution?
The expected number that will arrive on time is; 151.23
The standard deviation of this distribution is; 6.62
How to find the mean and standard deviation?We are given;
Percentage of the flights involved in the study arrived on time; p = 71% = 0.71
Sample size; n = 213
Now, the formula for the mean which is the expected number that will arrive on time is;
μ = np
μ = 213 * 0.71
μ = 151.23
The formula for the standard deviation of the distribution is;
σ = √(np(1 - p))
σ = √(213*0.71(1 - 0.71))
σ = 6.62
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