Given:
Principal value = $12000
Rate of interest = 2.5%
To find:
Total amount after 15 years.
Solution:
Formula for amount discontinuously compounded interest is
\(A=Pe^{rt}\)
where, P is principal, r is rate of interest and t is time in years.
Substitute P=12000, r=0.025 and t=15 in the above formula.
\(A=12000e^{0.025(15)}\)
\(A=12000e^{0.375}\)
\(A=12000(1.45499141462)\)
\(A=17459.8969754\)
\(A\approx 17459.897\)
Therefore, the amount after 15 years is $17459.897.
when a template is created, dummy ____ is/are used to verify the formulas in the template.
When a template is created, dummy data is used to verify the formulas in the template.
A template is a pre-designed format or layout that can be used for various purposes, such as creating reports, invoices, or budgets. One of the most important aspects of creating a template is ensuring that all the formulas and calculations used in it are accurate and produce the desired results.
To verify the formulas in a template, dummy data is often used. Dummy data is a set of fictitious or meaningless data that is used to test and verify the functionality of a system or application. In the context of templates, dummy data is used to ensure that the formulas and calculations used in the template are working correctly.
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Part C
Measure all the angles of ∆ABC and of ∆DEF, and enter the measurements in the table.
According to the information, the angles of this triangle are: 90°, 60° and 30°.
How to measure the angles of a triangle?To measure the angles of a triangle we must use a tool called a protractor. This ruler is circular in shape and has from 0° to 360°.
To measure an angle with this ruler we must locate the line that corresponds to 0° on one of the vertices, then we must identify which measure the other vertex passes through and that will be the value of that angle.
According to the previous procedure, if we analyze the angles of these figures with a protractor, we can infer that it has 90°, 60° and 30°.
Note: This question does not have the image. Below is the image:
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some airlines have restrictions on the size of items of luggage that passengers are allowed to take with them. suppose that one has a rule that the sum of the length, width and height of any piece of luggage must be less than or equal to 150 cm. a passenger wants to take a box of the maximum allowable volume. if the length and width are to be equal, what should the dimensions be?
Any piece of luggage must have a length, width, and height combined that is less than or equal to 150 cm. A traveler requests to take a package with the maximum permitted volume. if the length and width are to be equal, then the dimensions would be 48*96*72
Any piece of luggage must have a length, breadth, and height combined that is 216 cm or less.
L+W+H=216 (because we want the max volume, we may ignore the "less than part" and set them equal) (since we want the max volume, we can ignore the "less than part" and set them equal)
L = W if the length and width are equal.
Let's construct this new equation by swapping L for W.
Arrange H to the left so that H=216-2W when 2W+H = 216
Consequently, what is volume V=L*W*H=W=W2*(216-2W) =216W2-2W3 div./dW=432W-6W?
2\s432W-6W^2=0
72w-w2=0 divided by 6 on both sides.
W = 72 L H = 72 cm
L=2W is the only item that has altered.
Given that L+W+H=216 and that V=L*W*H=2W*W*(216-3W) =432W2-6W, 3W+H=216
864W-18W2 x 3 V prime
Set V prime to 0, solve it by dividing both sides by 18, and you'll get W = 48. dimensions will be
48, 96, and 72 cm in width ,lenght and height
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Need help please .The ares of the sector shown below is 59 yd^2 find the length of the radius. Round to the nearest whole number use 3.14 for pi
\(\textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360} ~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ A=59\\ \theta =40 \end{cases}\implies 59=\cfrac{(40)\pi r^2}{360}\implies 59(360)=40\pi r^2 \\\\\\ \cfrac{59(360)}{40\pi }=r^2\implies \cfrac{531}{\pi }=r^2\implies \sqrt{\cfrac{531}{\pi }}=r\implies 13\approx r\)
A student attempted to generate an equivalent expression using the distributive property, as shown below: 5(x − 1) = 5x − 1 What was the mistake made? (1 point) 5 was not multiplied by x Incorrect sign was used for the first term 5 was not multiplied by −1 Incorrect sign was used for the second term
Answer:
5 was not multiplied by -1
I need help ASAP!! homework problem is the file keep it simple but not to complicated
Check the picture below.
so we know the Blondies are 3x3 and the Brownies are 6x6, and we also know there are four rows of each, hmmm how many columns of each anyway?
well, from the picture, we can see 4 rows of Blondies will be 12 in tall and 4 rows of Brownies will be 24 inches tall, so since the tray is full, it's width must be 12 + 24 = 36 inches, that means if it's width is 36 then
\(648=\stackrel{ width }{36}\cdot \stackrel{ length }{L}\implies \cfrac{648}{36}=L\implies 18=L\)
now, how many Blondies can we fit in 18 inches? well, we can fit 6 blondies, as you can see in the picture, how much area are they all Blondies taking up? well, 12 * 18 = 216 in², hmmm what fraction of the tray is that?
\(\cfrac{216}{648}\implies \cfrac{1}{3}\qquad \textit{of the tray}\)
Write an equation of a parabola that passes through (3,-30) and has x-intercepts of -2 and 18. Then find the average rate of change from x= -2 to x=8.
Answer:
The equation of the parabola is \(y = \frac{2}{5}\cdot x^{2}-\frac{32}{5}\cdot x -\frac{72}{5}\). The average rate of change of the parabola is -4.
Step-by-step explanation:
We must remember that a parabola is represented by a quadratic function, which can be formed by knowing three different points. A quadratic function is standard form is represented by:
\(y = a\cdot x^{2}+b\cdot x + c\)
Where:
\(x\) - Independent variable, dimensionless.
\(y\) - Dependent variable, dimensionless.
\(a\), \(b\), \(c\) - Coefficients, dimensionless.
If we know that \((3, -30)\), \((-2, 0)\) and \((18, 0)\) are part of the parabola, the following linear system of equations is formed:
\(9\cdot a +3\cdot b + c = -30\)
\(4\cdot a -2\cdot b +c = 0\)
\(324\cdot a +18\cdot b + c = 0\)
This system can be solved both by algebraic means (substitution, elimination, equalization, determinant) and by numerical methods. The solution of the linear system is:
\(a = \frac{2}{5}\), \(b = -\frac{32}{5}\), \(c = -\frac{72}{5}\).
The equation of the parabola is \(y = \frac{2}{5}\cdot x^{2}-\frac{32}{5}\cdot x -\frac{72}{5}\).
Now, we calculate the average rate of change (\(r\)), dimensionless, between \(x = -2\) and \(x = 8\) by using the formula of secant line slope:
\(r = \frac{y(8)-y(-2)}{8-(-2)}\)
\(r = \frac{y(8)-y(-2)}{10}\)
\(x = -2\)
\(y = \frac{2}{5}\cdot (-2)^{2}-\frac{32}{5}\cdot (-2)-\frac{72}{5}\)
\(y(-2) = 0\)
\(x = 8\)
\(y = \frac{2}{5}\cdot (8)^{2}-\frac{32}{5}\cdot (8)-\frac{72}{5}\)
\(y(8) = -40\)
\(r = \frac{-40-0}{10}\)
\(r = -4\)
The average rate of change of the parabola is -4.
Each answer equals a letter, what is the code for this puzzle?
Answer:
CIAE
Step-by-step explanation:
You earn $100 per month and want to save 10% in a savings account.
How much will your monthly contribution be? (Do not include the $ sign in your
response) PLEASE HELPP
How can you be a real hero in your own simple way paragraph?
Being your own hero means stepping up to the plate and giving it your all. Aiming to be a hero in your own life entails leading by example, acting with conviction, and living a purposeful life (most superheroes have side-kicks, henchmen, fans, or followers).
Being reliable and possessing high moral standards are essential qualities for a hero (sense of right and wrong). A personal hero can be genuine, imaginary, alive, or dead. If you don't already have one, you can make one based on the traits other people have that you admire or wish you had.
Another important quality of a hero is courage. Being independent, addressing your concerns, and being willing to take risks are all characteristics of a courageous person.
Heroes are upbeat and avoid dwelling on the bad because if they did, they wouldn't have the energy to save people. Heroes have self-confidence and believe they are capable of facing any challenge. Self-esteem and general life satisfaction can both rise as a result of positive thinking.
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in which of the following would the samples be considered independent (choose one or more)? group of answer choices a sample of school-aged children tested twice before and after an intervention two groups of asu students are surveyed one from the phoenix campus and one from the tempe campus a sample of 100 women randomly divided into two groups one for the control and one for the experimental group multiple pairs of identical and faternal twins both enrolled in the study are each separated into two groups
There are several factors to consider when determining whether samples are independent or not, such as the method of sampling, the characteristics of the participants, and the study design.
Based on the information provided, here are some possible answers:
A sample of school-aged children tested twice before and after an intervention: In this case, the samples are not independent, because the same children are tested twice, and the second measurement may be influenced by the first one (e.g. if they learn from their mistakes).
Therefore, there is a potential for carry-over effects or repeated measures. To address this, the study may use a crossover design, counterbalancing, or a washout period between the measurements.
Two groups of ASU students were surveyed, one from the Phoenix campus and one from the Tempe campus: In this case, the samples are independent, because they are drawn from two different populations (i.e., students from different campuses).
Therefore, there is no overlap or dependence between the groups, and each group can be treated as a separate sample. However, the study may need to control for other factors that could affect the results (e.g., age, gender, major).
A sample of 100 women was randomly divided into two groups, one for the control and one for the experimental group: In this case, the samples are independent, because they are randomly assigned to different groups. Therefore, there is no systematic bias or confounding variable that would affect the assignment or the outcome.
However, the study may need to ensure that the randomization process is truly random and that the groups are comparable in terms of baseline characteristics.
Multiple pairs of identical and fraternal twins both enrolled in the study are each separated into two groups: In this case, the samples are not independent, because the twins are related to each other (either genetically or environmentally).
Therefore, there is a potential for shared variance or clustering effects within each pair, and the independence assumption may not hold. To address this, the study may use a matched-pairs design, a cluster-randomized design, or a multilevel model that accounts for the nesting of the twins.
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3. Mel has a bag of 8 marbles: 2 red, 3 yellow, and 3 green. She draws a marble from the bag,
writes down the color, replaces it, and draws again. She repeats this process for 40 trials and
records drawing a yellow marble 12 times. How does the experimental probability of selecting
a yellow marble compare to the theoretical probability? Explain.
We can see that the experimental probability is smaller than the theoretical one.
How do the probabilities compare?The theoretical probability is equal to the quotient between the number of yellow marbles and the total number, so here we have:
T = 3/8 = 0.375
The experimental probability is equal to the quotient between the number of times that Mel got a yellow marble and the total number of trials, so here we have:
E = 12/40 = 0.3
So the experimental probability is smaller than the theoretical one.
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6 Petra wants to buy an electronic reader that costs $160.75 including tax. She has saved $34.75 SO
far and plans to save an additional $10.50 each week. For how many weeks will Petra need to
save $10.50 to have enough money to buy the electronic reader
Answer:
Petra would need to save for 12 weeks to get 126
126+34.75=160.75
Petra need to save $10.50 to have enough money to buy the electronic reader in 12 weeks.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
Petra wants to buy an electronic reader that costs $160.75 including tax. She has saved $34.75.
Here, So far and plans to save an additional $10.50 each week.
Let number of weeks to save $10.50 to have enough money to buy the electronic reader = x
So, We can formulate;
⇒ 10.50x + 34.75 = 160.75
Solve for x;
⇒ 10.50x = 160.75 - 34.75
⇒ 10.50x = 126
⇒ x = 126/10.50
⇒ x = 12
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Given: DR is the tangent to Circle O. If m of angle db= 140, then m a = A. 70 B.110 C.140
The measure of the angle ∠BAD will be 110°. Then the correct option is B.
What is a circle?It is the close curve of an equidistant point drawn from the center. The radius of a circle is the distance between the center and the circumference.
The central angle is double the angle at the periphery that was subtended by the same chords.
DR is the tangent to Circle O. If m of angle DB = 140°. Then the equation is given as,
∠BCD = (1/2) arc DB
∠BCD = (1/2) x 140°
∠BCD = 70°
We know that the sum of the opposite angle of the cyclic quadrilateral is 180°. Then we have
∠BAD + ∠BCD = 180°
∠BAD + 70° = 180°
∠BAD = 110°
The measure of the angle ∠BAD will be 110°. Then the correct option is B.
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The missing graph is given below.
A student inscribes a triangle within a semicircle. What is the measure of
XYZ?
Answer:
Step-by-step explanation:
for a triangle inscribed in a semicircle that angle is always 90 degrees
9514 1404 393
Answer:
C. 90°
Step-by-step explanation:
A triangle inscribed in a semicircle is always a right triangle. The measure of angle Y, which subtends an arc of 180°, is half the measure of the arc it subtends, so is 180°/2 = 90°.
Which set of ordered pairs does not represent a function?
10 Points
{(0,8), (5,4), 10,0), (15,4), (20,8)}
{(1,10), (3,18), (5,26), (7,34), (9,42)}
{(2,10), (3,20), (4,15), (5,5), (6,25)}
{(9,1), (6,2), (3,3), (6,4),
The set of ordered pairs that does not represent a function is set {(9,1), (6,2), (3,3), (6,4)}. Therefore, the correct option is option 4.
A function is defined as a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. For a set of ordered pairs to represent a function, no two ordered pairs can have the same x-value with different y-values. In other words, in order for a set of ordered pairs to represent a function, each input (the first number in each pair) can only correspond to one output (the second number in each pair).
In option 4, we have two ordered pairs with the same x-value, (6,2) and (6,4), but with different y-values. This violates the definition of a function, so option 4 does not represent a function.
Hence, the set of ordered pairs which is not a function is option 4: {(9,1), (6,2), (3,3), (6,4)}.
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Brady had a balance of $23 before a $25 fee was charged to his account. what is his new balance?
Answer:
$48
Step-by-step explanation:
23+25=48
Subtract.
-3 3/8 - 7/8
answer, in simplest form,
Answer:
-4 2/8 i think
Step-by-step explanation:
In ΔEFG, f = 86 inches, e = 64 inches and ∠E=32°. Find all possible values of ∠F, to the nearest degree.
Answer:
Answer: 45 ∘ and 135 ∘
Step-by-step explanation:
Delta Math
An open-top container is to be made from a 13-inch by 48-inch piece of plastic by removing a square from each corner of the plastic and folding up the flaps on each side. What size square should be cut out of each corner to get a container with the maximum volume?
To maximize the volume of an open-top container made from a 13-inch by 48-inch piece of plastic, you need to determine the optimal size of the squares to be cut out from each corner. Let 'x' be the side length of the square removed from each corner. After cutting, the dimensions of the container will be:
- Length: 48 - 2x
- Width: 13 - 2x
- Height: x
The volume of the container can be calculated using the formula: V = L * W * H. the dimensions, we get:
V(x) = (48 - 2x)(13 - 2x)(x)
To find the maximum volume, we need to identify the value of 'x' that maximizes V(x). This can be achieved using calculus, by finding the critical points where the derivative of the function V(x) is zero or undefined.
Differentiating V(x) with respect to x and setting the derivative equal to zero, we can solve for the optimal value of 'x'. After performing these calculations, we find that the optimal size of the square to be cut out from each corner is approximately 1.52 inches. By removing 1.52-inch squares from each corner and folding up the flaps, the open-top container will have the maximum volume.
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A triangle has area 100 square inches. It's dilated by a factor of k = 0.25.
1) The statement of Lin is correct.
2) (a) When scale factor, k = 9, area of the new triangle = 8100 square inches
(b) When k = 3/4, area of the new triangle = 56.25 square inches.
Given that,
A triangle has area 100 square inches.
It's dilated by a factor of k = 0.25.
When the triangle is dilated by a scale factor of k, then, each of the base and height is dilated by the scale factor of k.
So new area of the triangle after the dilation with the original triangle having base = b and height = h is,
Area of new triangle = 1/2 (kb)(kh) = k² (1/2 bh) = k² × Area of original triangle
Here original area = 100 square inches.
k = 0.25
New area = (0.25)² 100 = 6.25 square inches
So the correct statement is that of Lin.
Mai may found the new area by just multiplying the scale factor with 100, instead of taking the square of the scale factor. That is why she got 25 square inches as the new area.
2) (a) When k = 9,
Area of the new triangle = 9² (100) = 8100 square inches
(b) When k = 3/4
Area of the new triangle = (3/4)² (100) = 56.25 square inches
Hence the areas are found.
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Given triangle ABC~ triangle DEF and m
The similarity between triangles is a useful concept for solving problems involving corresponding angles and sides.
If triangle ABC is similar to triangle DEF, this means that they have the same shape but possibly different sizes. This also implies that their corresponding angles are congruent and their corresponding sides are proportional.
In terms of the given angles, we know that angle A in triangle ABC corresponds to angle D in triangle DEF, angle B corresponds to angle E, and angle C corresponds to angle F. Therefore, if we know the measure of one of the angles in either triangle, we can use similarity to find the corresponding angle in the other triangle.
As for the sides, we can use the fact that they are proportional. For example, if we know the length of side AB in triangle ABC and its corresponding length in triangle DEF, say DE, we can set up a proportion such as AB/DE = AC/DF = BC/EF. From here, we can solve for any missing side length given the lengths of the other two.
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in determining the partial effect on dummy variable d in a regression model with an interaction variable ŷ = b0 b1x b2d b3xd, the numeric variable x value needs to be known. t/f
True. In determining the partial effect on a dummy variable (d) in a regression model with an interaction variable (xd), the value of the numeric variable (x) needs to be known.
When estimating the partial effect of a dummy variable (d) in a regression model that includes an interaction term (xd), the value of the numeric variable (x) is crucial. The interaction term (xd) is the product of the dummy variable (d) and the numeric variable (x). Therefore, the partial effect of the dummy variable (d) depends on the specific value of the numeric variable (x).
To compute the partial effect, you would need to fix the value of the numeric variable (x) and then calculate the change in the predicted outcome (ŷ) associated with a change in the dummy variable (d). This allows you to isolate the effect of the dummy variable (d) while holding the numeric variable (x) constant.
In summary, knowing the value of the numeric variable (x) is essential when determining the partial effect on a dummy variable (d) in a regression model with an interaction variable (xd). Without knowing the value of the numeric variable, it is not possible to estimate the specific effect of the dummy variable on the outcome accurately.
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if x is a discrete uniform random variable ranging from one to eight, find p(x < 6).
The probability that x is less than 6 is 5/8.
If x is a discrete uniform random variable ranging from one to eight, then each value from one to eight is equally likely to occur, and the probability of any particular value is 1/8.
To find p(x < 6), we need to add up the probabilities of all the values of x that are less than 6:
p(x < 6) = p(x = 1) + p(x = 2) + p(x = 3) + p(x = 4) + p(x = 5)
Since x is a discrete uniform random variable, the probability of each of these values is 1/8, so we can substitute that into the equation:
p(x < 6) = (1/8) + (1/8) + (1/8) + (1/8) + (1/8)
Simplifying, we get:
p(x < 6) = 5/8
Therefore, the probability that x is less than 6 is 5/8.
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2.) the acosta family went out to dinner. the price of the meal was $79.85. if the tip was 15%. how much money did the acosta family pay for the meal, including tip
the acosta family went out to dinner. the price of the meal was $79.85. if the tip was 15%.The Acosta family paid $91.83 for the meal, including the 15% tip.
To calculate the total amount paid, we need to add the original price of the meal to the tip amount. The price of the meal was $79.85, and the tip was 15% of that amount. To find the tip, we multiply $79.85 by 0.15 (or 15% expressed as a decimal), which equals $11.98. Adding the tip of $11.98 to the original price, the total amount paid is $91.83.
In more detail, a 15% tip means that 15% of the meal price is added as an extra amount to the bill. To calculate the tip, we multiply the meal price ($79.85) by 0.15 (or 15% as a decimal), resulting in $11.98. This represents the additional amount the Acosta family paid for the tip. To find the total amount paid, we add the tip amount to the original meal price: $79.85 + $11.98 = $91.83. Therefore, the Acosta family paid $91.83 for the meal, including the tip.
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A card is drawn at random from a deck of cards. Find the probability of getting the 5 of diamond
Can anyone help me with this? I know that angle B is 90°
(The 122° is that part of the circle)
Answer:
angle c is 58 degrees and and angle a is 42 degrees
Step-by-step explanation:
Please help I don’t get it
Answer:
1.03
Step-by-step explanation:
10.52-1.25=9.27
9.27/3=1.03
Use the Midpoint Rule with n = 4 to approximate the area of the region bounded between the curves y = sin2(πx/4) and y = cos2(πx/4) for 0 ≤ x ≤ 1.
The area of the region bounded between the given curves is =0.640675 unit square.
The center point of a straight line can be located using the midpoint formula. You may occasionally need to determine the difference between two specific numbers. The average of the two numbers is what you find there. In a similar way, we obtain the halfway number (or point) between two coordinates using the midpoint formula in coordinate geometry.
The midpoint rule states that you can calculate the area under a curve by using the formula:
\(M_n=\frac{b-a}{2}[f(\frac{(x_0+x_1)}{2})+f(\frac{x_1+x_2}{2})+....+f(\frac{x_{n-1}+x_n}{2})]\)
In our case a=0 ,b=1 ,n=4
\(x_0=0 ,x_1=1/4,x_2=1/2, x_3=3/4\ and \ x_4=1\)
Therefore, we have-
\(M_4=\frac{1}{4}[f(\frac{1}{8})+f(\frac{3}{8})+f(\frac{5}{8})+f(\frac{7}{8}]\)
now to evalute f(x),
\(f(x)=cos^{2}(\frac{\pi x}{4})-sin^{2}(\frac{\pi x}{4})\\ \\f(x)= cos(\frac{\pi x}{2})\\\\f(1/8)=cos(\frac{\pi}{16})=0.9807\\\\f(3/8)=0.8314\\\\f(5/8)=0.5555\\\\f(7/8)=0.19509\)
hence the value of integral is equal to -
M4= 2.56279÷4=0.640675
The area of the region bounded between the given curves is =0.640675 unit square.
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For random variable X~N(3,0.75), what is the probability that X takes on a value within two standard deviations on either side of the mean?
Answer:For random variable X~N(3,0.75), what is the probability that X takes on a value within two standard deviations on either side of the mean?
Step-by-step explanation: