The amount paid to Imena per hour will be $14.5
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that Imena earned $261 last week. She worked 18 hours and earned the same amount each hour.
Imena's earnings for an hour will be calculated as:-
Earning per hour = 261 / 18
Earning per hour = $14.5
Therefore, the amount paid to Imena per hour will be $14.5
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Ashanti Goldfields, wanted to undertake a project which will costs GH 30,000 now and is expected to generate year –end cash inflows of GH 9000, GH 8000, GH 7000, GH 6000, GH5000 and GH 4000 in years 1 through 6.The opportunity cost of capital may be assumed to be 10 percent.
Answer:
I strongly believe that NPV of the project is the requirement of this question:
NPV is -$486.82
Step-by-step explanation:
The NPV is the present value of the future cash flows from year 1 through year 6 minus the initial capital investment of GH30,000
The cash flow discount factor =1/(1+r)^n
r is the opportunity cost of capital at 10%
n is the relevant year of each cash flow
NPV=-30,000+9000/(1+10%)^1+8000/(1+10%)^2+7000/(1+10%)^3+6000/(1+10%)^4+5000/(1+10%)^5+4000/(1+10%)^6=-$486.82
The project is not viable since NPV is negative
Los organizadores de la Feria de Alimentos colocan un contenedor de agua que mide 2,76 metros de largo, por 23,5 decímetros de ancho y por 196 centímetros de alto. ¿Cuál es el volumen del contenedor? Expresa la respuesta en metros cúbicos con aproximación a centésimos.
The volume of the container is approximately 12.9516 cubic meters when rounded to the nearest hundredth.
To find the volume of the container, we need to multiply its length, width, and height. Let's convert the given measurements to meters to ensure consistent units.
The length of the container is 2.76 meters.
The width of the container is 23.5 decimeters, which is equal to 2.35 meters (since 1 decimeter = 0.1 meters).
The height of the container is 196 centimeters, which is equal to 1.96 meters (since 1 meter = 100 centimeters).
Now we can calculate the volume of the container:
Volume = Length × Width × Height
Volume = 2.76 meters × 2.35 meters × 1.96 meters
Volume ≈ 12.9516 cubic meters (rounded to four decimal places)
Therefore, the volume of the container is approximately 12.9516 cubic meters when rounded to the nearest hundredth.
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Students entering a medical program to become doctors are required to stay on campus from 8:00AM to 4:30PM. Today, they have forty-five minutes for lunch. Each student has a choice of eating lunch in a room where music is playing or a room where a television is on. For lunch, they have an option of pizza, hamburger, spaghetti, or chicken. What is the probability of choosing the television room with a hamburger?
A. 1/8
B. 1/4
C. 2/3
D. 1/6
Answer:d
Step-by-step explanation:
Count all the options and put that as the bottom number which is 6
Question 4 of 10
Is the graph increasing, decreasing, or constant?
O A. Decreasing
O B. Constant
O C. Increasing
Solve for m:
-3(1 – 5m) = — 38 + 8m
Answer:
m = - 5
Step-by-step Explanation:
\(-3(1-5m)=-38+8m \\ \\ - 3 + 15m = - 38 + 8m \\ \\ 15m - 8m = 3 - 38 \\ \\ 7m = - 35 \\ \\ m = \frac{ - 35}{7} \\ \\ \huge \purple{ \boxed{m = - 5}}\)
Answer:
-5
Step-by-step explanation:
Solve the equation 6(2x + 4)² = (2x + 4) +2.
5 9
ОГ
X
4
of
O
X
DONE
5
3
or -
or
Answer:
x = -9/2 or -5/3
Step-by-step explanation:
The given equation is recognizable as a quadratic in the expression (2x+4). It may be more easily solved by substituting a variable for that expression.
__
setupLet z = 2x+4. Then the equation becomes ...
6z² = z +2
6z^2 -z -2 = 0
solution to the quadraticThis equation can be factored by finding factors of (6)(-2) that total -1.
(6z -4)(6z +3)/6 = 0
(3z -2)(2z +1) = 0 . . . . . eliminate the fraction
The values of z that make these factors zero are ...
3z -2 = 0 ⇒ z = 2/3
2z +1 = 0 ⇒ z = -1/2
values of xThe relation between x and z tells us ...
z = 2x +4
(z -4)/2 = x
For the values of z we have, the corresponding x-values are ...
z = 2/3 ⇒ (2/3 -4)/2 = x = -10/6 = -5/3
z = -1/2 ⇒ (-1/2 -4)/2 = x = -9/4
Solutions to the equation are x=-9/4 and x=-5/3.
_____
Additional comment
Alternatively, the equation could have been expanded to standard form and then factored.
6(4x² +16x +16) = 2x +6
24x² +94x +90 = 0 . . . . put in standard form
12x² +47x +45 = 0 . . . . factor out 2
(4x +9)(3x +5) = 0 . . . . factor (judged harder than the above factoring)
The midpoint of AB is at (-2.3). If A=(7,-6) , find B.
Answer:
Step-by-step explanation:
mid point = a+b/2
let b(x,y)
-2 = [7+x]/2 3 = [-6+y]/2
-4 = 7 + x 6 = -6 + y
-11 = x 12 = y
Hence B is at (-11,12)
Solve for x
(20 pts)
Answer:
x = 11
Step-by-step explanation:
8x - 8 + 30 = 11x -11
3x = 33
x = 11
Answer:
x=11
Step-by-step explanation:
8x-8+30+11x-11
3x=33
x=11
hehe the same as her/him
which is the least per pound 5 pounds of chicken for 9.45,3 pounds for 5.97, or 1 pound for 2.05
5 pounds - 1.89
3 pounds - 1.99
1 pound - 2.05
In this case, the 5 pounds of chicken is the cheapest by exactly one dime.
In a frequency distribution of 290 scores, the mean is 99 and the median is 86. One would expect this distribution to be:
Answer:
positively skewed to the right
Step-by-step explanation:
The measure of the central tendency is a profound way to describe the mean, median and mode. The measure of central tendency indicates where the center of distribution tends to be. The measure of central tendency provide a validity and answers whether the scores are high or generally low.
In this measure,The mean is usually pulled to the tail. The skewed is determined by where the tail goes, to the right side , it is positively skewed and to the left side , it is known as negatively skewed distribution.
Given that:
In a frequency of distribution of 290 scores,
the mean = 99
the median = 86
One would expect this distribution to be; positively skewed to the right since the mean value is greater than the median value.
OHHHHHHHHHHHHHH WHO LIVES IN A PINEAPPLE UNDER THE SEA _______?
Answer:
Sponge Bob Square Pants!
Absorbent and yellow and porous is he.
Sponge Bob Square Pants!
If nautical nonsense be somethin' ya wish.
Sponge Bob Square Pants!
Then drop on the deck and flop like a fish.
Sponge Bob Square Pants!
Ready?
Sponge Bob Square Pants,
Sponge Bob Square Pants,
Sponge Bob Square Pants,
Sponge Booob Square Paaants!
Ah Ha Ha, Ha Ha Ha, Ha, hArgh wh..arire..Ha arrrigh.
Step-by-step explanation:
The density of a certain material is such that it weighs 9 pounds per cubic foot of volume. Express this density in grams per quart. Round your answer to the nearest whole number.
We need to know conversion of units to solve the given problem. The density of the material in grams per quart is 136.35 grams per quart.
We have been given the density of a certain material in pounds per cubic foot of volume. The density is 9 pounds per cubic foot of volume. We need to convert pounds per cubic foot to grams per quart, we need to separately convert pounds to grams and convert cubic foot to quart. Since it is density so we need to divide the value of pound in gram by the value of one cubic foot in quart and multiply the density to this value to get the desired result.
1 pound=453.592 grams
1 cubic foot= 29.94 quart
9 pounds per cubic foot= 9x 453.592/29.94=136.35 grams per quart
Therefore the density of the material in grams per quart is 136.35 grams per quart.
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Which of the following choices describes volume?
a
The amount of juice a carton can hold.
b
The weight of a bowling ball.
c
How tightly the molecules in a glass of water are packed together.
d
The temperature that must be reached for ice to melt.
Answer:
C. How tightly the molecules in a glass of water are packed together
Step-by-step explanation:
Volume of a substance is different according to the state of the matter.
So for a water molecule, the volume of the the water is definite and can be measured by the container which is the glass cup
So volume can be the measure of how tight the molecule of that substance ate together.
Let the following sample of 8 observations be drawn from a normal population with unknown mean and standard deviation:
21, 14, 13, 24, 17, 22, 25, 12
Required:
a. Calculate the sample mean and the sample standard deviation.
b. Construct the 90% confidence interval for the population mean.
c. Construct the 95% confidence interval for the population mean
Answer:
a
\(\= x = 18.5\) , \(\sigma = 5.15\)
b
\(15.505 < \mu < 21.495\)
c
\(14.93 < \mu < 22.069\)
Step-by-step explanation:
From the question we are are told that
The sample data is 21, 14, 13, 24, 17, 22, 25, 12
The sample size is n = 8
Generally the ample mean is evaluated as
\(\= x = \frac{\sum x }{n}\)
\(\= x = \frac{ 21 + 14 + 13 + 24 + 17 + 22+ 25 + 12 }{8}\)
\(\= x = 18.5\)
Generally the standard deviation is mathematically evaluated as
\(\sigma = \sqrt{\frac{\sum (x- \=x )^2}{n}}\)
\(\sigma = \sqrt{\frac{\sum ((21 - 18.5)^2 + (14-18.5)^2+ (13-18.5)^2+ (24-18.5)^2+ (17-18.5)^2+ (22-18.5)^2+ (25-18.5)^2+ (12 -18.5)^2 )}{8}}\)
\(\sigma = 5.15\)
considering part b
Given that the confidence level is 90% then the significance level is evaluated as
\(\alpha = 100-90\)
\(\alpha = 10\%\)
\(\alpha = 0.10\)
Next we obtain the critical value of \(\frac{ \alpha }{2}\) from the normal distribution table the value is
\(Z_{\frac{ \alpha }{2} } = 1.645\)
The margin of error is mathematically represented as
\(E = Z_{\frac{ \alpha }{2} } * \frac{\sigma }{\sqrt{n} }\)
=> \(E =1.645 * \frac{5.15 }{\sqrt{8} }\)
=> \(E = 2.995\)
The 90% confidence interval is evaluated as
\(\= x - E < \mu < \= x + E\)
substituting values
\(18.5 - 2.995 < \mu < 18.5 + 2.995\)
\(15.505 < \mu < 21.495\)
considering part c
Given that the confidence level is 95% then the significance level is evaluated as
\(\alpha = 100-95\)
\(\alpha = 5\%\)
\(\alpha = 0.05\)
Next we obtain the critical value of \(\frac{ \alpha }{2}\) from the normal distribution table the value is
\(Z_{\frac{ \alpha }{2} } = 1.96\)
The margin of error is mathematically represented as
\(E = Z_{\frac{ \alpha }{2} } * \frac{\sigma }{\sqrt{n} }\)
=> \(E =1.96 * \frac{5.15 }{\sqrt{8} }\)
=> \(E = 3.569\)
The 95% confidence interval is evaluated as
\(\= x - E < \mu < \= x + E\)
substituting values
\(18.5 - 3.569 < \mu < 18.5 + 3.569\)
\(14.93 < \mu < 22.069\)
Find the range of the data.
6, 8, 14, 4, 26, 24, 2, 4, 18, 9
Please see screenshot.
Answer:
See below
Step-by-step explanation:
A square on a coordinate plane has one vertex at (0.5,1) and a perimeter of 6 units. If all of the vertices are located in Quadrant I, what are the coordinates of the other 3 vertice s?
The coordinates of the other 3 vertice s are; Vertex 2 = (0.5, 2.5)
Vertex 3 = (2, 1), Vertex 4 =(2, 2.5 )
What is perimeter?Its the sum of length of the sides used to made the given figure.
Given that the Perimeter, P = 6 units
The Perimeter of a square = 4s ; s = side length
6 = 4s
s = 6/4
s = 1.5 units
If Vertex 1 =(0.5,1) and all vertexes are located in Quadrant I
Vertex 2 = (0.5,1 + 1.5) =(0.5, 2.5)
Vertex 3 = (0.5 + 1.5 ,1) = (2, 1)
Vertex 4 = (2, 1 + 1.5) = (2, 2.5 )
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HELP ME PLEASE!!!!!!!!!!!!
1) The three main trigonometric ratios of the given triangle are:
sin B = 5/9.43
cos B = 8/9.43
tan B = 5/8
2) The measure of angle A is: ∠A = 39.6°
3) The length of side x is: x = 39.5 mm
How to find the trigonometric ratios?The six trigonometric ratios of a right angle triangle are:
sin x = opposite/hypotenuse
cos x = adjacent/hypotenuse
tan x = opposite/adjacent
cot x = 1/tan x
sec x = 1/cos x
cosec x = 1/sin x
1) The three main trigonometric ratios of the given triangle are:
sin B = 5/9.43
cos B = 8/9.43
tan B = 5/8
2) The measure of angle A is gotten from:
∠A = cos⁻¹ (47/61)
∠A = 39.6°
3) The length of side x using trigonometric ratios is:
21/x = tan 28
x = 21/tan 28
x = 39.5 mm
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Sally bought 1.4 kilograms of bananas for AED 7.35 $ a kilo. How many kilograms
of apples sold at 10.20 $ per kilogram should you buy so that the kilogram of fruit
costs 8.15 $
You should buy approximately 1.067 kilograms of apples at $10.20 per kilogram in order to have the kilogram of fruit cost $8.15.
Let's assume that Sally bought x kilograms of apples at $10.20 per kilogram.
The total cost of bananas is given as AED 7.35 per kilogram, and Sally bought 1.4 kilograms of bananas. So, the cost of the bananas is:
Cost of bananas = AED 7.35 * 1.4 = AED 10.29
The total cost of apples is given by the equation:
Cost of apples = $10.20 * x
The total cost of the fruits combined should be AED 8.15 per kilogram. So, the equation becomes:
Total cost of fruits = (Cost of bananas + Cost of apples) / (1.4 + x) = AED 8.15
Substituting the known values, we have:
(10.29 + 10.20 * x) / (1.4 + x) = 8.15
Cross-multiplying and simplifying, we get:
10.29 + 10.20 * x = 8.15 * (1.4 + x)
Expanding the equation, we have:
10.29 + 10.20 * x = 11.41 + 8.15 * x
Rearranging the equation, we get:
10.20 * x - 8.15 * x = 11.41 - 10.29
1.05 * x = 1.12
Dividing both sides by 1.05, we find:
x = 1.12 / 1.05
x ≈ 1.067
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Sixteen less than the quotient of a number and five
Answer:
n ÷ 5 - 16
Step-by-step explanation:
To solve this, we have to represent the words using numbers. Since we don't know the value of "a number," we can just represent it using the letter "n"
A quotient is the answer to a division problem, so the "quotient of a number and 5" is just a number divided by 5
Then, "sixteen less than" means subtract by sixteen.
Using this knowledge, we can make the equation:
n ÷ 5 - 16
What would be the correct notation for the following ray?
find the inverse of each equation
The inverse of the equation is determined as \(y = \log_{6}(-3x)\).
option D is the correct answer.
What is the inverse of the equation?The inverse of the equation is calculated by applying the following method;
The given equation;
y = - 6ˣ/3
The inverse of the equation is calculated as;
multiply through by 3
\(-3x = 6^y\)
Take the logarithm of both sides of the equation with base -6:
\(\log_{6}(-3x) = y\)
Finally, replace y with x to obtain the inverse equation as follows;
\(y = \log_{6}(-3x)\)
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A bottle of liquid laundry detergent priced at $16.99 for a 52-load bottle has been changed to $16.49 for a 48-load bottle. By what percentage has the price per load changed?
Answer:
5.1% increase
Step-by-step explanation:
You want the percentage change in price per load when the price of detergent went from $16.99 for 52 loads to $16.49 for 48 loads.
Percentage changeThe percentage change is given by the formula ...
((new price)/(old price) -1) × 100%
Price per loadThe price per load is found by dividing the price of the bottle of detergent by the number of loads it will wash.
old price per load = $16.99/52 ≈ $0.32673
new price per load = $16.49/48 ≈ $0.34354
ApplicationThen the percentage change is ...
(0.34354/0.32673 -1) × 100% ≈ 0.05145 × 100% ≈ 5.1%
The price per load has increased by about 5.1%.
The graph below can be represented by parametric equations of the form
The corresponding point on the graph is (1, 0).These values of x and y correspond to the points on the given graph,
The given graph can be represented by parametric equations of the form x = cos(t) and y = sin(2t) , where t is a parameter. To verify that these equations satisfy the graph,
we can substitute t in the given equations and check if the resulting values of x and y correspond to the points on the graph. Let's take some values of t to see how the graph looks like:For t = 0, we have x = cos(0) = 1 and y = sin(0) = 0.
Therefore, the corresponding point on the graph is (1, 0).For t = π/6, we have x = cos(π/6) = √3/2 and y = sin(2π/6) = sin(π/3) = √3/2.
Therefore, the corresponding point on the graph is (√3/2, √3/2).For t = π/3, we have x = cos(π/3) = 1/2 and y = sin(2π/3) = sin(4π/3) = -√3/2.
Therefore, the corresponding point on the graph is (1/2, -√3/2).For t = π/2, we have x = cos(π/2) = 0 and y = sin(π) = 0.
Therefore, the corresponding point on the graph is (0, 0).For t = 2π/3, we have x = cos(2π/3) = -1/2 and y = sin(4π/3) = sin(-2π/3) = -√3/2.
Therefore, the corresponding point on the graph is (-1/2, -√3/2).For t = 5π/6, we have x = cos(5π/6) = -√3/2 and y = sin(2π/3) = sin(4π/3) = -√3/2.
Therefore, the corresponding point on the graph is (-√3/2, -√3/2).For t = π, we have x = cos(π) = -1 and y = sin(2π) = sin(0) = 0.
Therefore, the corresponding point on the graph is (-1, 0).For t = 7π/6, we have x = cos(7π/6) = -√3/2 and y = sin(4π/3) = sin(-2π/3) = √3/2.
Therefore, the corresponding point on the graph is (-√3/2, √3/2).For t = 4π/3, we have x = cos(4π/3) = -1/2 and y = sin(5π/3) = sin(π/3) = √3/2.
Therefore, the corresponding point on the graph is (-1/2, √3/2).For t = 3π/2, we have x = cos(3π/2) = 0 and y = sin(6π/2) = sin(π) = 0.
Therefore, the corresponding point on the graph is (0, 0).For t = 5π/3, we have x = cos(5π/3) = 1/2 and y = sin(5π/3) = sin(π/3) = √3/2.
Therefore, the corresponding point on the graph is (1/2, √3/2).For t = 11π/6, we have x = cos(11π/6) = √3/2 and y = sin(5π/3) = sin(π/3) = √3/2.
Therefore, the corresponding point on the graph is (√3/2, √3/2).For t = 2π, we have x = cos(2π) = 1 and y = sin(4π) = sin(0) = 0.
so we can conclude that the graph can be represented by the parametric equations x = cos(t) and y = sin(2t).
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Which investment option made the most money after 10 years?
Which option yielded the most total money by the time you were 60 years old?
Option 3 yielded the most money after 10 years is 171.7
Option 1 yielded the most total money by the time you were 60 years old is 8,771.56
Define the term solution of equation?A solution of an equation is a value or set of values that satisfy the equation, meaning that when the value(s) is substituted for the variable(s) in the equation, both sides of the equation are equal.
Based on the given equations, Option 1 yielded the most money after 10 years, and Option 3 yielded the most total money by the time you were 60 years old.
After 10 years:
Option 1: 50×(1.09)¹⁰ - 30 = 88.36
Option 2: 50×(1.08)¹⁰ - 20 = 87.94
Option 3: 100×(1.07)¹⁰ - 25 = 171.71
Therefore, Option 3 yielded the most money after 10 years is 171.7
By the time you were 60 years old:
Option 1: 50×(1.09)⁶⁰ - 30 = 8,771.56
Option 2: 50×(1.08)⁶⁰ - 20 = 5,042.85
Option 3: 100×(1.07)⁶⁰ - 25 = 5,769.64
Therefore, Option 1 yielded the most total money by the time you were 60 years old is 8,771.56
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There are 18 students in the math club.
Of the 18 students, 1/6 have red hair. How many of the students have red hair?
Part b: of the 18 students, 4/6 have brown hair. How many of the students have brown hair?
Part c:
What is the relationship do you notice between the number of students with brown hair and the number of students with red hair?
a:1/6×18/1=18/6 when simplified is 3
b:4/6×18/1=72/6 when simplified is 12
c.The relationship between the number of students with brown hair and the number of students with red hair is that they are equivalent to one another.
For what values of theta do maximum r-values occur on the graph the polar equation r = 2 cos4 theta? Note that the maximum r-value occurs at a point that is the maximum distance from the pole
Answer:r=2 cos^4(theta)
Step-by-step explanation:To find the values of theta where the maximum r-values occur on the graph of the polar equation r = 2 cos^4(theta), we need to find where the derivative of r with respect to theta is equal to zero, since the maximum r-values occur at these points.
First, we can simplify the equation by using the identity cos(2theta) = 2cos^2(theta) - 1 and substituting cos^2(theta) = (1 + cos(2theta))/2. This gives:
r = 2 cos^4(theta) = 2(1/2 + 1/2 cos(2theta))^2 = 1 + cos(2theta) + cos^2(2theta)/2.
Next, we can take the derivative of r with respect to theta, using the chain rule:
dr/dtheta = -sin(2theta) - 2cos(2theta)sin(2theta).
Setting this equal to zero and factoring out sin(2theta), we get:
sin(2theta)(-1 - 2cos(2theta)) = 0.
This equation is satisfied when sin(2theta) = 0 or cos(2theta) = -1/2.
When sin(2theta) = 0, we have 2theta = k*pi for some integer k. Therefore, theta = k*pi/2.
When cos(2theta) = -1/2, we have 2theta = 2*pi/3 + 2*k*pi or 2theta = 4*pi/3 + 2*k*pi for some integer k. Therefore, theta = pi/3 + k*pi or theta = 2*pi/3 + k*pi.
These are the values of theta where the maximum r-values occur on the graph of the polar equation r = 2 cos^4(theta).
-18.3 = b + -8.3
b =
Answer:
Here,
-18.3=b+ -8.3
-18.3+8.3=b
-10=b
the value of b is -10.
i need help with this question but i dont know how to do it please someone help me with this.
Answer:
9^2 + 12^2 = c^2
81 + 144 = c^2
√15 = √c^2
c = 15
Step-by-step explanation:
Helppp please I need help asap!!!