Answer:
Answer:
Most poison dart frogs are brightly colored, displaying aposematic patterns to warn potential predators. Their bright coloration is associated with their toxicity and levels of alkaloids. ... Poison dart frogs are an example of an aposematic organism.
Hostas for Full Sun
In general, yellow or gold hostas tolerate partially sunny location without losing their vibrant yellow color. About two hours of daily sun exposure will keep these yellow or golden beauties looking their best. Aim for morning sun to avoid burned leaves.
hope this helps
Step-by-step explanation:
Hope this is the right answer Have a good day!
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3. You are a marketing manager for a food products company, considering the introduction of a new brand of organic salad dressings. You need to develop a marketing plan for the salad dressings in which you must decide whether you will have a gradual introduction of the salad dressings (with only a few different salad dressings introduced to the market) or a concentrated introduction of the salad dressings (in which a full line of salad dressings will be introduced to the market). You estimate that if there is a low demand for the salad dressings, your first year's profit will be $1 million for a gradual introduction and million (a loss of $5 million) for a concentrated introduction. If there is high demand, you estimate that your first year's profit will be $4 million for a gradual introduction and $10 million for a concentrated introduction. The payoff table for the organic salad dressings marketing is given as follows:
Low Demand High Demand
Gradual 1 4
Concentrated -5 10
a. If nothing is known about the probabilities of the chance outcomes, what is the recommended decision using the pessimistic, and minimax regret approaches? (10 points)
b. Suppose you believe that the probability of demand being low is 0.7. Use the expected monetary value approach to determine an optimal decision. (Provide the expected monetary value for each decision alternative.) (10 points)
c. Given the information in part b), what is the EVPI? (10 points)
a. since it provides the lowest regret value should the demand be high.
b. Expected Monetary Value for Gradual Introduction= $2.8 million. Expected Monetary Value for Concentrated Introduction= $1.5 million
c. EVPI = $1.3 million
a. For the pessimistic approach, the recommended decision is to use the gradual introduction of the salad dressings, since it provides the least amount of loss should demand be low. For the minimax regret approach, the recommended decision is also the gradual introduction of the salad dressings, since it provides the lowest regret value should the demand be high.
b. Using the expected monetary value approach, the optimal decision would be to use the gradual introduction of the salad dressings. This is because the expected monetary value for a gradual introduction is $2.8 million, which is higher than the expected monetary value of $1.5 million for a concentrated introduction.
Expected Monetary Value for Gradual Introduction: 0.7 * $1 million + 0.3 * $4 million = $2.8 million
Expected Monetary Value for Concentrated Introduction: 0.7 * -$5 million + 0.3 * $10 million = $1.5 million
c. The EVPI (Expected Value of Perfect Information) for this problem is $1.3 million, which is calculated by subtracting the expected monetary value from the best case outcome.
Best case outcome: $10 million
Expected Monetary Value: $2.8 million
EVPI: $10 million - $2.8 million = $1.3 million
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A caterer charges a service fee
of $175, plus the cost of the
food. If the total is less than
$1,000 for an event, write and
solve an inequality to determine
the cost of the food.
The inequality of the expression is x + 175 < 1000
How to determine the inequality of the expressionFrom the question, we have the following parameters that can be used in our computation:
Service fee of $175Plus the cost of the food. If the total is less than $1,000 for an eventUsing the above as a guide, we have the following:
x + 175 < 1000
Subtract 175 from bith sides
x < 825
Hence, the solution is x < 825
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water sprinkler sends water out in a circular pattern. What is the area formed by the water pattern if it can spray out 24 feet in any direction? Use 3.14 for π.
1808.64 is the area formed by the water pattern if it can spray out 24 feet in any direction.
What is an area of a circle?The circle is a rounded shape without any edges or line segments. It has the geometric shape of a closed curve. The distance between the circle's points and its center is fixed. r2 is the area that a circle with radius r encloses. Here, the Greek letter stands for the constant proportion of a circle's circumference to its diameter,
Here, we have
Given: water sprinkler sends water out in a circular pattern. It can spray out 24 feet in any direction.
Since the water is being sent out in a circular pattern, the maximum distance at which the water is reaching out will be equal to the radius of the circle as the sprinkler is at the center of the circle.
The area of a circle is given as:
Area = πr²
Radius = 24 feet
Area = 3.14(24)²
Area = 1808.64
Hence, 1808.64 is the area formed by the water pattern if it can spray out 24 feet in any direction.
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Answer:
1808.64 is the area formed by the water pattern if it can spray out 24 feet in any direction.
step by step explanationWhat is an area of a circle?
The circle is a rounded shape without any edges or line segments. It has the geometric shape of a closed curve. The distance between the circle's points and its center is fixed. r2 is the area that a circle with radius r encloses. Here, the Greek letter stands for the constant proportion of a circle's circumference to its diameter,
Here, we have
Given: water sprinkler sends water out in a circular pattern. It can spray out 24 feet in any direction.
Since the water is being sent out in a circular pattern, the maximum distance at which the water is reaching out will be equal to the radius of the circle as the sprinkler is at the center of the circle.
The area of a circle is given as:
Area = πr²
Radius = 24 feet
Area = 3.14(24)²
Area = 1808.64
Hence, 1808.64 is the area formed by the water pattern if it can spray out 24 feet in any direction.
Does the point (2, –2) satisfy the equation y = x? whats the answer
The point (2, –2) with x-coordinate value 2 and y-coordinate value -2, is not satisfied the equation y = x.
We have an equation, y = x --(1) and point (2,-2). We have to check that point (2, –2) satisfy the equation y = x or not. To check that, we need to put the values of the point in the equation. If the equation satisfies them, the point belong to the line. Substituting the coordinates of the given point, i.e., x = 2 and y = -2, into the defining equation(1), we get, y = x
L.H.S, y = -2
R.H.S, x = 2
but -2 ≠ 2 so, L.H.S ≠ R.H.S
We now see from the above substitution and the resultant calculation that the coordinates (x, y) of the point (2, -2) does not make the equation y = x
Hence, the point ( 2,-2) does not satisfied equation y= x .
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Which of the following is the correct way to name the figure shown?
PQ
A. PQ
B. PQ
C. QP
The correct way to name the figure shown is PQ. This figure consists of two perpendicular lines, P and Q, which intersect at a point. The lines are labeled P and Q, so the correct name for the figure is PQ.
What are perpendicular lines?Perpendicular lines are those two lines that intersect each other at a 90 degree angle. These lines are also known as orthogonal lines. When two lines intersect at a 90 degree angle, they are said to be perpendicular.
The figure is a basic geometric shape and is used to illustrate the concept of perpendicular lines. In the figure shown, the angle formed by the intersection of the two lines is a right angle, so the lines are perpendicular.
The figure can also be used to illustrate the concept of a transversal. A transversal is a line that intersects two other lines at different points. In the figure, the line PQ is a transversal intersecting the two lines P and Q.
In conclusion, the correct way to name the figure shown is PQ. This figure is used to illustrate the concepts of perpendicular lines, line segments, and transversals.
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Find the area of the shaded segment of the circle.
The area of the shaded segment of the circle is 5.79 square metre.
Area of SegmentThe area of a segment is equal to the area of a sector less the triangle-shaped portion.
A=[tex]\frac{1}{2}[/tex](∅-Sin∅)×[tex]r^{2}[/tex]
Circle definitionEvery point in the plane of a circle, which is a closed, two-dimensional object, is evenly separated from the centre. All lines that cross the circle join together to produce the line of reflection symmetry. Moreover, every angle has rotational symmetry around the centre.
Given;r=8m
∅=60°
Applying the formula's values, we obtain
A=[tex]\frac{1}{2}[/tex](∅-Sin∅)×[tex]r^{2}[/tex]
A=[tex]\frac{1}{2}[/tex]([tex]\frac{π}{3}[/tex]-Sin60°)×[tex]8^{2}[/tex]
A=5.79
Hence, the area of the shaded segment of the circle is 5.79 square metre.
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following exercises, perform the indicated operations. 7. (7)/(10x^(2)y)+(4)/(15xy^(2))
After performing the indicated operation, the sum of (7)/(10x²y) + (4)/(15xy²) is (21y + 8x)/(30x²y²).
To perform the indicated operations, we need to find a common denominator for the two fractions. The common denominator for 10x²y and 15xy² is 30x²y². We can then rewrite the fractions with the common denominator and add them together:
(7)/(10x²y) + (4)/(15xy²)
To do this, multiply both fractions by 30x²y²/30x²y² and simplify as a fraction with denominator 30x²y².
= (7)/(10x²y)(30x²y²/30x²y²) + (4)/(15xy²)(30x²y²/30x²y²)
= (21y)/(30x²y²) + (8x)/(30x²y²)
Finally, since the denominators of the two fractions are the same, add the two fractions by adding their numerators.
= (21y + 8x)/(30x²y²)
Therefore, the answer is (21y + 8x)/(30x²y²).
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If a study found the time spent playing video games and ACT scores had a correlation of r= -1.91, you could reasonably conclude. (1 point)
A.
Clearly, r needs to be recalculated.
B.
Spending more time playing video games is associated with lower ACT scores.
C.
There is very little relationship between time spent playing video games played and ACT scores.
D. 191% of the variation in ACT scores can be explained by a linear relationship with the variation in time spent playing video games.
E.
There is a strong positive association between time spent playing video games and ACT scores.
Option A is correct, Clearly, r needs to be recalculated.
What is Statistics?Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.
The correlation coefficient, r, measures the strength and direction of the linear relationship between two variables.
The value of r always falls between -1 and 1, where a negative value indicates a negative correlation (i.e., as one variable increases, the other tends to decrease), and a positive value indicates a positive correlation (i.e., as one variable increases, the other tends to increase).
However, the value of r cannot be less than -1 or greater than 1.
Therefore, a correlation coefficient of -1.91 is not a valid value.
Hence, Option A is correct, Clearly, r needs to be recalculated.
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#5
The frequency table shows the results of a survey that asked 175 high schoolers how they learn about news stories.
The relative frequency of a student being a tenth grader that gets their news from the internet is 0.79.
What is frequency ?
Frequency refers to the number of times that an event or value occurs within a specific period or dataset. It is a measure of how often a particular value or category appears in a set of data. The frequency can be expressed as an absolute count or as a proportion or percentage relative to the total number of observations in the dataset. Frequency is often used in statistical analysis to describe the distribution of data and to calculate various measures of central tendency and variability.
The relative frequency of a student being a tenth grader that gets their news from the internet is given by:
(number of tenth graders who get their news from the internet) / (total number of students)
So, the relative frequency for tenth graders is
34/175 = 0.194
Rounding to the nearest hundredth gives 0.19.
Therefore, the relative frequency of a student being a tenth grader that gets their news from the internet is 0.79.
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the missing side of each triangle. Round your answers to the nearest tenth
Answer:
4 number x value is 10 in
5 number x value is 12mi
use formula of h2=p2+b2
Compare the investment below to an investment of the same principal at the same rate compounded annually.
principal: $9,000, annual interest: 6%, interest periods: 12, number of years: 14
After 14 years, the investment compounded periodically will be worth $ (Round to two decimal places as needed.)
more than the investment compounded annually.
As a result, after 14 years, the investment that was compounded interest irregularly will be valued $961.54 more than the one that was compounded yearly.
what is interest ?By dividing the principal by the interest rate, the passage of time, and other factors, simple interest is determined. Simple return equals principle plus interest plus hours is the formula used in marketing. The easiest way to compute interest is by using this method. The most typical method for calculating interest is as a portion of the principle amount. For example, if he borrows $100 from a buddy and agrees to pay back the loan at 5% interest, he will only pay his share of the 100% interest. $100 (0.05) = $5. When you borrow money, you must pay interest, and you must charge interest when you lend it. Typically, interest is determined as an annual percentage of the loan total. The loan's interest is the name given to this percentage.
We must apply the compound interest calculation in order to compare the values of the investment compounded annually with the investment compounded periodically:
[tex]A = P(1 + r/n)^(nt) (nt)[/tex]
where:
A is the total sum.
The principal is P. (the initial amount)
n is the number of times the interest is compounded each year, and r is the yearly interest rate (expressed as a decimal).
The number of years is t.
We have the following for the yearly compounded investment:
[tex]A = 9000(1 + 0.06/1)^(1*14) = $20,207.97[/tex]
Periodically compounded investment results in:
[tex]A = 9000(1 + 0.06/12)^(12*14) = $21,168.51[/tex]
As a result, after 14 years, the investment that was compounded irregularly will be valued $961.54 more than the one that was compounded yearly.
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POINT A (5,5) POINT B (5,-5) Solve using two point form, express in standard form
Using two-point form, the equation of the line passing through the points A and B is x = 5.
The two-point form of a line is given by:
y - y₁ = [(y₂ - y₁)/(x₂ - x₁)] (x - x₁)
where (x₁, y₁) and (x₂, y₂) are two points on the line.
Given points A(5, 5) and B(5, -5), we can plug in the values into the equation:
y - 5 = [(-5 - 5)/(5 - 5)] (x - 5)
Simplifying the equation gives us:
y - 5 = (-10/0) (x - 5)
Notice that the slope (y₂ - y₁)/(x₂ - x₁) is equal to -10/0(indeterminate). This means that the line is a vertical line passing through x = 5.
The standard form of a line is Ax + By = C. So, the standard form of the equation of the line passing through points A and B is: x = 5.
Therefore, the equation of the line passing through the two points is x = 5.
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The rectangular floor of a classroom is 20 feet in length and 30 feet in width. A scale drawing of the floor has a length of 4 inches. What is the area, in square inches, of the floor in the scale drawing?
Answer:
24inches ²
Step-by-step explanation:
Scale of length is 20ft : 4inches = 5ft : 1inch
Scale of width will be 5ft: 1inch = 30ft: 6inches
Area of scale =length x width
Area = 4inches x 6inces
Is a zero of this polynomial. If not, determine p(k). p(x)=3x^(4)-14x^(3)-9x^(2)+64x-28;k=2
Even though 2 is not a zero of the polynomial, p(k) = p(2) = 0.
No, 2 is not a zero of the polynomial p(x)=3x^(4)-14x^(3)-9x^(2)+64x-28. To determine p(k), we simply need to plug in the value of k into the polynomial and simplify.
So, p(k) = p(2) = 3(2)^(4) - 14(2)^(3) - 9(2)^(2) + 64(2) - 28
= 3(16) - 14(8) - 9(4) + 128 - 28
= 48 - 112 - 36 + 128 - 28
= 0
Therefore, p(k) = p(2) = 0.
So, even though 2 is not a zero of the polynomial, p(k) = p(2) = 0.
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Suppose 2022 balls are randomly distributed into 100 boxes. Let
X be the total number of balls in the first 20 boxes.
a) Find P(X = 90)
b) Find V arX.
Suppose 2022 balls are randomly distributed into 100 boxes. Let X be the total number of balls in the first 20 boxes. P(X = 90) ≈ 0. VarX = 323.52.
a) To find P(X = 90), we can use the binomial probability formula:
P(X = k) = C(n,k) * p^k * (1-p)^(n-k)
where C(n,k) = n! / (k! * (n-k)!)
In this case, n = 2022, k = 90, p = 20/100 = 0.2
P(X = 90) = C(2022,90) * 0.2^90 * 0.8^(2022-90)
P(X = 90) = 1.19 * 10^(-37)
Therefore, P(X = 90) ≈ 0.
b) To find VarX, we can use the formula for the variance of a binomial distribution:
VarX = n * p * (1-p)
In this case, n = 2022, p = 0.2
VarX = 2022 * 0.2 * 0.8
VarX = 323.52
Therefore, VarX = 323.52.
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1. Find the volume of this perfume bottle: Hint: V= pi x r^2 x h
2. Find the volume of this perfume bottle: Hint: V =1/3 pi x r^2 x h
3. Find the volume of this perfume bottle: Hinit: V = 4/3 pi x r^3
4. The cylindrical bottle sells for $54.00, the conical bottle sells for $20.00 and the spherical bottle for $35. What is the best buy per cubic centimeter of perfume? Why?
As a result, the spherical bοttle οffers the greatest value fοr the amοunt οf perfume cοntained in each cubic centimetre because it cοsts the least.
What is vοlume?The measurement οf a three-dimensiοnal οbject's space filled is its vοlume. Mοst οften, it is expressed in cubic measures like cubic metres, cubic centimetres, οr cubic feet. The vοlume οf a cube, fοr instance, can be calculated by multiplying its length, breadth, and height. Calculating a cube's vοlume is as fοllοws:
Capacity is calculated using the fοrmula LWH.
given:
The fοrmula V = pi x r² x h, where r is the radius οf the circular base and h is the height οf the bοttle, must be used tο determine the perfume cοntainer's vοlume. Hοwever, we are unable tο determine the vοlume because we lack the values fοr r and h. The fοrmula V = 4/3 π x r³, where r is the radius οf the spherical cοntainer, must be used tο determine the vοlume οf the perfume bοttle. Hοwever, we are unable tο determine the vοlume because we lack the value fοr r.
Price per cubic centimetre = $54.00 / 282.74 cm³ = $0.191 per cm³ Vοlume οf cylindrical cοntainer = π x (3 cm)²x 10 cm = 282.74 cm³
Cοnical cοntainer vοlume equals 1/3 π x (2 cm) 2 x 8 cm = 16.76 cm³.
$20.00 divided by 16.76 cm3 (price per cubic centimetre) yields $1.19 per cm3.
The vοlume οf a sphere is equal tο 4/3 π x (4 cm)³ = 268.08 cm³.
$35.00 divided by 268.08 centimetres squared equals $0.13 per centimetre.
As a result, the spherical bοttle οffers the greatest value fοr the amοunt οf perfume cοntained in each cubic centimetre because it cοsts the least.
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Rewrite the quadratic function in standard form. \[ f(x)=\frac{f(x)=x^{2}-16 x+71}{} \] Give the vertex.
Rewriting the quadratic function [tex]\[ f(x)=(x-8)^{2}+7 \][/tex], we obtain as a result, vertex: [tex](8,7)[/tex].
How do we rewrite the quadratic function?To rewrite the quadratic function in standard form, we need to complete the square. The standard form of a quadratic function is [tex]\[ f(x)=a(x-h)^{2}+k \][/tex] where [tex](h,k)[/tex] is the vertex of the parabola.
Step 1: Separate the constant term from the rest of the equation.
[tex]\[ f(x)=x^{2}-16 x+71 \\\[ f(x)=(x^{2}-16 x)+71 \][/tex]
Step 2: Complete the square by adding and subtracting the square of half the coefficient of the x term inside the parenthesis.
[tex]\[ f(x)=(x^{2}-16 x+64)+71-64 \\\[ f(x)=(x-8)^{2}+7 \][/tex]
Now the equation is in standard form. The vertex of the parabola is (8,7).
Answer: [tex]\[ f(x)=(x-8)^{2}+7 \][/tex], vertex: [tex](8,7)[/tex].
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A pencil is 13.5 cm long. How far will 90 pencils reach if laid end to end? Give your answer in meters.
Answer:
12.15 m
Step-by-step explanation:
90 × 13.5 cm × (1 m)/(100 cm) = 12.15 m
Answer: 12.15 m (rounded 12.2)
Step-by-step explanation:
100 cm = 1 m
13.5(90) = 1,215
1215 divided by 100 = 12.15
PLEASE HELP I WILL GIVE 30 points
Answer:
Your answer is Point T
Step-by-step explanation:
Answer:
s
Step-by-step explanation:
Julia deposits $2000 into a savings account that
earns 4% interest per year. The exponential
function that models this savings account is
y = 2000(1.04), where t is the time in years.
Which equation correctly represents the amount
of money in her savings account in terms of the
monthly growth rate?
Please show work
Answer:
C.
Step-by-step explanation:
Yearly compounding.
y = 2000(1.04)^t
Monthly compounding.
y = 2000(1 + r/12)^(12t)
2000(1.04)^t = 2000(1 + r/12)^(12t)
(1.04)^t = (1 + r/12)^(12t)
(1.04^t)^(1/t) = [(1 + r/12)^(12t)]^(1/t)
1.04 = (1 + r/12)^12
1.04^(1/12) = [(1 + r/12)^12]^(1/12)
1.00327374 = 1 + r/12
y = 2000(1.00327374)^(12t)
Answer: C.
1. APQR and ASTU are similar triangles. Prove that the slope of line segment PR and the slope of
line segment SU are equal.
The slopes are equal, and the equation is showing a proportional relationship.
What are slopes?The slope of a line is a measure of its steepness.
Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).
What is proportional relationship?Proportional relationships are relationships between two variables where their ratios are equivalent.
1) Given that, Δ PQR and Δ STU are similar triangles, we need to show that they have equal slope,
Line PR is passing by points (-6, 4) and (-8, 7) and the line SU is passing by points (-4, 1) and (0, -5)
Slope = y₂-y₁ / x₂-x₁
Finding the slopes :-
Line PR = 7-4 / -8+6 = -3/2
Line SU = -5-1 / 4 = -6/4 = -3/2
Therefore, we get the slopes equal.
2) Given is an equation, y = 3x/4
The proportionality equation is given by :- y = kx, where k is the proportionality constant,
The given equation is following the proportionality equation, therefore is showing a proportional relationship.
Hence, the slopes are equal, and the equation is showing a proportional relationship.
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An accountant is modeling the annual tax expenditures, e, in thousands of dollars t years after january 1st, 2000 for a small business using two different models. Both of the accountant's models have tax expenditures of $5000 on january 1st, 2000. What is the value of e?
Both models assume that the tax expenditures are $5000 on January 1st, 2000.
The accountant is using two different models to estimate the tax expenditures for the small business. Both models assume that the tax expenditures are $5000 on January 1st, 2000. The accountant wants to estimate the tax expenditures, e, in thousands of dollars t years after January 1st, 2000.
Let's call the two models Model 1 and Model 2. Model 1 assumes that the tax expenditures increase by a fixed amount every year. Let's call this fixed amount a. Therefore, the tax expenditures, e, under Model 1 can be represented by the equation:
e = 5000 + at
Model 2 assumes that the tax expenditures increase at a constant percentage rate every year. Let's call this percentage rate r. Therefore, the tax expenditures, e, under Model 2 can be represented by the equation:
e = 5000(1 + r)ˣ
Now, let's substitute t = 0 into both equations to find the value of e on January 1st, 2000.
For Model 1:
e = 5000 + a(0) = 5000
For Model 2:
e = 5000(1 + r)⁰ = 5000
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Graph the line perpendicular to y = 4 that passes through (-5, -2). What is the equation of that line?
The required equation of the line perpendicular to y=4 that passes through (-5,-2) is: x = -5
How to find equation of that line which is perpendicular to y = 4?The equation of the line y=4 is a horizontal line that passes through the point (0,4).
A line perpendicular to this line would be a vertical line passing through the point (-5,-2).
The equation of a vertical line passing through the point (-5,-2) can be written in the form x = -5,
which means that the x-coordinate of any point on this line must be -5.
Therefore, the equation of the line perpendicular to y=4 that passes through (-5,-2) is: x = -5
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Describe the long run behavior of f(x)=5(2)^x+1:
As x→−[infinity], f(x) =
As x→[infinity], f(x) =
x → -∞, f(x) → 0
x → ∞, f(x) → ∞
As x approaches negative infinity, the value of the exponent 2^x+1 will become very large negative number, approaching zero. Therefore, the function f(x) will approach 5 times zero, which is equal to 0. Thus, we can say:
As x → -∞, f(x) → 0.
As x approaches positive infinity, the value of the exponent 2^x+1 will become very large positive number, approaching infinity. Therefore, the function f(x) will approach 5 times infinity, which is equal to infinity. Thus, we can say:
As x → ∞, f(x) → ∞.
So, the long run behavior of the function f(x)=5(2)^x+1 is that it approaches 0 as x approaches negative infinity and approaches infinity as x approaches positive infinity.
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statistical analysis of 100 local phone calls in STC indicates normal distribution with the mean length 10 minutes and standard deviation 4 minutes. Find x value where P(X < x)=0.0655. a. 5.88 minutes b. 7.96 minutes c. 3.96 minutes d. 1.04 minutes
The x value where P(X < x)=0.0655 is 4 minutes. The correct answer is c. 3.96 minutes.
To find the x value where P(X < x)=0.0655, we can use the z-score formula and look up the corresponding z-value in a standard normal distribution table. The z-score formula is:
z = (x - mean) / standard deviation
Substituting the given values, we get:
0.0655 = (x - 10) / 4
Next, we can look up the z-value that corresponds to 0.0655 in a standard normal distribution table. We find that the z-value is approximately -1.5. Now we can plug this back into the z-score formula and solve for x:
-1.5 = (x - 10) / 4
-6 = x - 10
x = 4
Therefore, the x value where P(X < x)=0.0655 is 4 minutes. The correct answer is c. 3.96 minutes.
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Chase lives 1 1/5 blocks west of Ellie. They draw a number line to medel this situation. Because Ellie lives 1 1/2 blocks east of school, they give her house the coordinate 1 1/2. Chase incorrectly claims that the coordinate of his house is 2 7/10. What is the correct coordinate of Chase's house? What is Chase's likely error?
Chase's likely error is that he added instead of subtracting when finding his location on the number line.
What is the fractions?
A fraction is a way of representing a part of a whole or a ratio between two numbers. It consists of a numerator (top number) and a denominator (bottom number), separated by a line.
If Ellie's house is at 1 1/2 on the number line, and Chase lives 1 1/5 blocks west of Ellie, then the coordinate of Chase's house would be:
1 1/2 - 1 1/5 = 3/2 - 6/5
To subtract these fractions, we need a common denominator, which is 10:
(3/2) * (5/5) - (6/5) * (2/2) = 15/10 - 12/10 = 3/10
So Chase's house is located 3/10 blocks west of Ellie's house on the number line. Therefore, the correct coordinate for Chase's house is:
1 1/2 - 3/10 = 1 2/5
Chase's likely error is that he added instead of subtracting when finding his location on the number line.
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Solve: x-82-3
Graph the solutions.
The required graph represents that the solution to the given inequality x - 8 ≥ -3 is x ≥ 5.
What is linear inequality?A linear inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.
To solve for x:
x - 8 ≥ -3
x ≥ -3 + 8
x ≥ 5
So, the solution is x ≥ 5.
For the graph of the solution, draw a number line and mark a closed circle at 5 since the inequality includes 5. Then, shade to the right of 5 to represent all values of x that satisfy the inequality.
Thus, the required graph represents that the solution to the given inequality is x ≥ 5.
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If x=12 for one day of sales, use your equation to find the total number of pencils the
supply store sells.
Answer:
Step-by-step explanation:
If x represents one day of sales and x=12, then we can substitute that value into the equation to find the total number of pencils sold:
y = 160x
y = 160(12)
y = 1920
So the supply store sold a total of 1920 pencils on the day when x=12.
three times a number, added to 4, is 40
Answer:
12
Step-by-step explanation:
12 × 3= 36
36 + 4= 40
so the answer is 12
Answer:
Not true with all numbers!
Step-by-step explanation:
see.Ex.3x3=9+4=13 not 40
Simplify the expression 7x^2y^2 − 3xy − 8xy + 4x^2y^2
1. 11x^2y^2 + 11xy
2. 11x^4y^4 − 11x^2y^2
3. x2y2
4. 11x^2y^2 − 11xy
Answer: The Answer is 4
Step-by-step explanation:
1) find the same base of the x² y² n just do the addition normally like this
(7x²y²+4x²y²)-3xy-8xy
so you'll end getting
the final answer