Answer:
Step-by-step explanation:
i cant quite see pls put more clear
opened a savings account and deposited $1,000.00. The account earns 9% interest, compounded continuously. If he wants to use the money to buy a new bicycle in 1 year, how much will he be able to spend on the bike? Use the formula A=Pert, where A is the balance (final amount), P is the principal (starting amount), e is the base of natural logarithms (≈2.71828), r is the interest rate expressed as a decimal, and t is the time in years. Round your answer to the nearest cent.
Answer: $1094.17
Step-by-step explanation:
Amount = Pe^rt
Which cannot be a value of 0 ? Help pls
Answer:
B.
Step-by-step explanation:
Since i is in the denominator, if i = 0, then the result will be undefined. Therefore, B cannot be a value of θ.
I’ll mark brainliest What is the value of x
Answer:
x = 14\(\sqrt{2}\)
Step-by-step explanation:
using the sine ratio in the right triangle and the exact value
sin45° = \(\frac{\sqrt{2} }{2}\) , then using the 45° angle at top right
sin45° = \(\frac{opposite}{hypotenuse}\) = \(\frac{x}{28}\) = \(\frac{\sqrt{2} }{2}\) ( cross- multiply )
2x = 28\(\sqrt{2}\) ( divide both sides by 2 )
x = 14\(\sqrt{2}\)
What is the value of the expression below? (4/5+3/5)+3.5x5
Answer:
18.9
Step-by-step explanation:
Start with parentheses.
4/5 + 3/5 = 7/5
Simplify 7/5, 7/5 = 1 2/5
Next numbers.
3.5 x 5 = 17.5
Add.
17.5 + 1 2/5 = 18.9
The decimal equivalent of 5/7 rounded to the nearest hundredth is A.0.7143 B.0.714 C.0.70 D.0.71
We have the following:
\(undefined\)evaluate the line integral, where c is the given curve. c xyz2 ds, c is the line segment from (−3, 5, 0) to (−1, 6, 4)
To evaluate the line integral, we need to parameterize the curve, calculate ds, and then substitute the parameterization into the integral expression.
How to evaluate integral?To evaluate the line integral ∫c xyz² ds, where c is the line segment from (-3, 5, 0) to (-1, 6, 4), we need to parameterize the curve and calculate the line integral using the parameterization.
Let's parameterize the curve c(t) from t = 0 to t = 1:
x(t) = -3 + 2t
y(t) = 5 + t
z(t) = 4t
Now, we need to calculate the derivative of each component with respect to t to find ds:
dx/dt = 2
dy/dt = 1
dz/dt = 4
ds = √((dx/dt)² + (dy/dt)² + (dz/dt)²) dt
= √(4 + 1 + 16) dt
= √(21) dt
Now, we can substitute the parameterization and ds into the line integral:
∫c xyz² ds = ∫[0,1] (x(t) * y(t) * z(t)²) * √(21) dt
= ∫[0,1] (-3 + 2t)(5 + t)(4t)² * √(21) dt
Now we can proceed to evaluate the line integral by plugging in the parameterization and limits of integration into the expression and calculating the integral.
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i need some help thanks!
Answer:
1. square root 9/4
2. 5/3
3. square root 5
4. 2.5
Step-by-step explanation:
The first one would equal 1.5.
The second is 1.6.
The third is 2.2.
And obviously the last is 2.5.
Jeff is downloading an app that is 78.2 megabytes. The current download speed is 300 kilobytes per second. About how long will it take for the application to download?
Answer:
261 seconds
Step-by-step explanation:
78.2 · 1000 = 78,200
78,200/300 ≈ 261
Solve 5=2x Round your answer to the nearest thousandth.
Answer: x=2.5
Step-by-step explanation: Divide both sides by two
5/2=2.5
Which statement best describes this graph?
Answer: The answer to this problem is the second choice “As the x-value increases by 1, the y-value decreases by 1/2, the x-intercept is -2.
Have a nice day!
What is the density of a piece of wood with a mass of 25 kg and a volume of 0.0385 m 3
Answer:
≈649 kg/m\(^{3}\)
Step-by-step explanation:
Density is equal to mass/volume
25 / 0.385 ≈ 649 kg/m\(^{3}\)
Calculate -0.4 as a percentage of 1.8
Answer:
-22.2222222222%
Step-by-step explanation:
-0.4/1.8×100
Cooper found that he had 5 dog treats left over after filling a number of bags with 20 dog treats each.(He's a very smart dog!) He let b represent the number of bags and wrote an expression to represent the total number of dog treats. He found that b = 15 and then substituted to find the total number of dog treats.Which statements should be part of Cooper’s solution? Check all that apply.
The operations needed are multiplication and addition
Cooper has 195 dog treats
Write an expression 20b+5
The operations needed are division and subtraction
Twenty times fifteen equals 300
Write an expression 20/b+5
Cooper has 305 dog treats
Answer:
Write and expression 20b+5
Twenty times fifteen equals 300
Cooper has 305 dog treats
Step-by-step explanation:
The operations needed are multiplication and addition
is also a statement that is true, however I am unsure if it is ever used.
can you help me understand this? i have a test on this tomorrow. pls go into further detail im rlly confused... thank you in advanced!! ❤
Answer:
6.71
Step-by-step explanation:
All you do is calculate the square root, you can use a calculator and put in 3√5 = 6.70820393 …
round it to the nearest tenth = 6.71
A theater was designed with 15 seats in the first row, 19 in the second row, 23 in the third row, and so on. Write a function
that represents this seating pattern to determine how many seats are in any row.
a(n) = 15 + 4(n)
O a(n) = 15 + 4(n-1)
an) = 23 + 4(n)
an) = 23 + 4(n-1)
Answer:
Your Pma testing? if so lets help each other!
Step-by-step explanation:
Answer:
135
Step-by-step explanation:
its 135, trust me
Dont put random stuff .................
Answer:
for the x+27
the value of X would be 76.5 bc the whole line is 180 degrees so you do x+27+x=180 then you solve
2x=153 then divide and you get 76.5
the following code segment is intended to set max equal to the maximum value among the integer variables x, y, and z. the code segment does not work as intended in all cases.
we do not have the code segment, we cannot identify which of the cases above will cause the code segment to not work as intended.
What is a conditional statement?
A conditional statement is a type of structure to express the relationship between two dependent variables. Its structure is as follows:
The code segment in question uses variables and conditional statements to determine the maximum value among three integer variables x, y, and z. However, there are cases where this code segment may not work as intended.
To determine which initial values for x, y, and z will cause this issue, we need to look at the code segment itself.
The code segment likely involves setting a variable called "max" to the value of one of the three variables (x, y, or z), and then using conditional statements to check if the other variables are larger than the current value of "max".
If they are, the value of "max" is updated to that variable.
To determine which initial values will cause issues, we need to consider cases where the conditional statements will not work as intended.
For example, if all three variables have the same value, the code segment may not correctly identify the maximum value.
Similarly, if two variables have the same value, but that value is smaller than the third variable, the code segment may not correctly identify the maximum value.
Based on the answer choices provided, it appears that the code segment may not work as intended for the initial values x = 1, y = 3, z = 2.
In this case, the initial value of "max" would be set to 1, and the conditional statements would not update the value of "max" to the correct maximum value of 3.
In conclusion, the code segment may not work as intended in cases where there are ties or when the initial values are not in order. It is important to test the code segment with different initial values to ensure that it works correctly in all cases.
The code segment in question is intended to set the variable "max" equal to the maximum value among the integer variables x, y, and z.
To demonstrate that the code segment does not work as intended in all cases, we need to evaluate each of the given initial values for x, y, and z.
1. x = 1, y = 2, z = 3: In this case, the maximum value is 3, which corresponds to the variable z.
2. x = 1, y = 3, z = 2: In this case, the maximum value is 3, which corresponds to the variable y.
3. x = 2, y = 3, z = 1: In this case, the maximum value is 3, which corresponds to the variable y.
4. x = 3, y = 2, z = 1: In this case, the maximum value is 3, which corresponds to the variable x.
Since we do not have the code segment, we cannot identify which of the cases above will cause the code segment to not work as intended.
However, you can test each case by implementing the code segment, assigning the initial values to the variables x, y, and z, and then checking if the variable "max" is set to the correct maximum value.
If any of the cases result in an incorrect "max" value, it means that the code segment does not work as intended for that particular set of initial values.
Hence, we do not have the code segment, we cannot identify which of the cases above will cause the code segment to not work as intended.
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A piece of ice in the shape of a cube an edge length of 2 inches is placed into an empty glass in the shape of a right circular cylinder with a diameter of 3 inches assuming that the volume of the solid ice cube is equal to the volume of the water from the melted ice which the following is closest to the height in inches of the water in the glass when the ice melts
The height of the water in the glass of diameter 3 inches is 1.1 inches.
What is height?Height is the vertical distance between two points.
To calculate the height of the water in the glass,we use the formula below
Formula:
h = L³/πr²...................... Equation 1Where:
h = Height of the water in the glassL = Length each sides of the ice cuber = Radius of the cylinderFrom the question,
Given:
L = 2 inchesr = 3/2 = 1.5 inchesπ = 3.14Substitute these values into equation 1
h = 2³/(1.5²×3.14)h = 8/7.065h = 1.1 inchesHence, the right option is B. 1.1 inches
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A police officer wears a belt that carries an extra 10 pounds on their waistline. The police officer weighs p pounds.
Which equation can be used to find p, the total weight of police officer with the weighted belt?
t=p+10
t = 10-P
t=p-10
t = 10p
Answer: T = 10p
Step-by-step explanation: Since we don't know what is the total weight, we put the an variable, T to represent the total weight. The 10p means that the poilce officer gained 10 Pounds.
I need this question to be answered.
Solve the following system of equations graphically on the set of axes below.
The solution of the system of equations is (9, 9), the graph is on the image at the end.
How to solve the system of equations?Here we have the system of equtions:
y = (2/3)*x + 3
y = (4/3)*x - 3
To solve this system of equations graphically, we just need to graph both of the lines in the same coordinate axis, and then find the point where the two lines intercept, that point will be the solution.
You can see the graph of the system in the image at the end, there we can see that the solution is (9 , 9).
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Given h(x) = 4x + 4, solve for x when h(x) = 0.
Answer:
x=-1
Step-by-step explanation:
if h(x)-4x+4 and h(x)=0,
0=4x+4
0-4=4x
-4=4x
-4/4=x
-1=x
The line representing the equation part of the constraint 7x1 + 4x2 s 28 goes through the following two points a) (4,0) and (7,0). b) (0, 4) and (7,0). c) (4,0) and (0,7). d) (0, 4) and (0,7). e) none of the above
The required line representing the equation part of the constraint is go through (0, 4) and (7,0).
What is equation?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.
According to question:The line representing the equation 7x1 + 4x2 = 28 is a boundary line that separates the feasible solutions from the infeasible solutions in a linear programming problem.
The line passes through two points, which can be determined by substituting the x1 and x2 values into the equation. By substituting the values (4,0) and (7,0) into the equation, we can see that both points satisfy the constraint.
This means that any point on the line also satisfies the constraint, and any point above or to the right of the line would be infeasible as they would not meet the requirement of the constraint.
Understanding the position and shape of the constraint lines is important in solving linear programming problems and finding the optimal solution.
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[ 7 11] [12 4 5 ]
Find C =AB, if A = [2 9] B = [3 6 1]
[ 10 6]
The exercise involves finding the product C = AB, where matrix A is given by [2 9] and matrix B is given by [3 6 1]. We need to perform the matrix multiplication to obtain the resulting matrix C.
Let's calculate the matrix product C = AB step by step:
Matrix A has dimensions 2x1, and matrix B has dimensions 1x3. To perform the multiplication, the number of columns in A must match the number of rows in B.
In this case, both matrices satisfy this condition, so the product C = AB is defined.
Calculating AB:
AB = [23 + 912 26 + 94 21 + 95]
[103 + 612 106 + 64 101 + 65]
Simplifying the calculations:
AB = [6 + 108 12 + 36 2 + 45]
[30 + 72 60 + 24 10 + 30]
AB = [114 48 47]
[102 84 40]
Therefore, the product C = AB is:
C = [114 48 47]
[102 84 40]
In summary, the matrix product C = AB, where A = [2 9] and B = [3 6 1], is given by:
C = [114 48 47]
[102 84 40]
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Are the observed frequencies variables? What about the expected frequencies? Explain your answers.
Question content area bottom
Part 1
Are the observed frequencies variables? Explain your answer. Choose the correct answer below.
A.
The observed frequencies are variables, as they vary from sample to sample.
B.
The observed frequencies are variables, as they do not vary from sample to sample.
C.
The observed frequencies are not variables, as they do not vary from sample to sample.
D.
The observed frequencies are not variables, as they vary from sample to sample.
Part 2
Are the expected frequencies variables? Explain your answer. Choose the correct answer below.
A.
The expected frequencies are variables, as they are determined by the sample size and the distribution in the null hypothesis.
B.
The expected frequencies are not variables, as they are determined by the sample size and the distribution in the alternative hypothesis.
C.
The expected frequencies are variables, as they are determined by the sample size and the distribution in the alternative hypothesis.
D.
The expected frequencies are not variables, as they are determined by the sample size and the distribution in the null hypothesis.
The observed frequencies are variables as they vary from sample to sample. The expected frequencies are not variables as they are determined by the sample size and the distribution in the null hypothesis.
The observed frequencies are variables because they can vary from sample to sample.
In statistical analysis, observed frequencies represent the actual frequencies or counts of events or occurrences observed in a sample.
These frequencies are obtained through data collection and can differ between different samples due to random sampling variability.
Therefore, the observed frequencies are considered as variables that can change from one sample to another.
On the other hand, the expected frequencies are not variables. They are determined by the sample size and the distribution assumed in the null hypothesis.
Expected frequencies are the frequencies that would be expected under the assumption of a particular statistical model or hypothesis.
These frequencies are calculated based on the expected proportions or probabilities predicted by the null hypothesis and the sample size.
Once the sample size and the distribution in the null hypothesis are determined, the expected frequencies become fixed values and do not vary across different samples.
They provide a baseline against which the observed frequencies can be compared to assess the agreement between the observed data and the expected distribution.
In summary, the observed frequencies are considered variables as they vary from sample to sample, while the expected frequencies are not variables but are determined by the sample size and the distribution assumed in the null hypothesis.
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james has 110 yard of blue felt and 56 yard of green felt. which answer is the most accurate estimate for how much more green felt james has than blue felt?
The answer which is most accurate estimate for how much more green felt James has than blue felt is option (C) 3/4 yards
To compare the amount of green felt and blue felt James has, we need to have a common unit of measurement. We can convert both fractions to the same denominator to make the comparison easier:
1/10 yard of blue felt = 6/60 yard of blue felt
5/6 yard of green felt = 50/60 yard of green felt
So, James has 6/60 yard of blue felt and 50/60 yard of green felt. To find out how much more green felt James has than blue felt, we can subtract:
50/60 - 6/60 = 44/60
Simplify 44/60, we get:
44/60 = 22/30 = 11/15
Therefore, James has 11/15 yard more green felt than blue felt, the The answer closest to this value is option (C) 3/4 yard.
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The given question is incomplete, the complete question is:
James has 1/10 yard of blue felt and 5/6 yard of green felt.
Which answer is the most accurate estimate for how much more green felt James has than blue felt?
A. 0 yards
B. 1/2 yard
C. 3/4 yard
D. 1 yard
CAN SOMEONE HELP ME ITS DUE IN 5 MINS!!
Answer:
Small Tray: 11
Large Tray: 14
a can of soda is placed inside a cooler. as the soda cools, its temperature in degrees celsius is given by the following function, where is the number of minutes since the can was placed in the cooler. find the temperature of the soda after minutes and after minutes. round your answers to the nearest degree as necessary.
The temperature of the soda after 20 minutes is approximately -18 degrees Celsius. To find the initial temperature of the soda, we can evaluate the function T(x) at x = 0.
Substitute x = 0 into the function T(x):
T(0) = -19 + 39e^(-0.45*0).
Simplify the expression:
T(0) = -19 + 39e^0.
Since e^0 equals 1, the expression simplifies to:
T(0) = -19 + 39.
Calculate the sum:
T(0) = 20.
Therefore, the initial temperature of the soda is 20 degrees Celsius.
To find the temperature of the soda after 20 minutes, we substitute x = 20 into the function T(x):
Substitute x = 20 into the function T(x):
T(20) = -19 + 39e^(-0.45*20).
Simplify the expression:
T(20) = -19 + 39e^(-9).
Use a calculator to evaluate the exponential term:
T(20) = -19 + 39 * 0.00012341.
Calculate the sum:
T(20) ≈ -19 + 0.00480599.
Round the answer to the nearest degree:
T(20) ≈ -19 + 1.
Therefore, the temperature of the soda after 20 minutes is approximately -18 degrees Celsius.
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INCOMPLETE QUESTION
A can of soda is placed inside a cooler. As the soda cools, its temperature Tx in degrees Celsius is given by the following function, where x is the number of minutes since the can was placed in the cooler. T(x)= -19 +39e-0.45x. Find the initial temperature of the soda and its temperature after 20 minutes. Round your answers to the nearest degree as necessary.
Which movie had a greater range of ages of the audience? (Hint: The range is the difference between the max and min values)
Movie A
Movie B
Both about the same
Range = max - min
Visually the min and max are the leftmost and right most points on the whiskers. This is assuming we don't have outliers in either direction. The range represents the total width of the box and whisker plot. For movie B, it is wider, so therefore it has a larger range of ages.
We could compute the ranges numerically and compare to see which is bigger, or we could align one endpoint (say the right endpoints) to see that movie B has a wider range.
Can someone help me with this problem?
find the equations of the tangents to the curve x = 6t2 2, y = 4t3 2 that pass through the point (8, 6). y = (smaller slope) y = (larger slope)
The equations of the tangents to the curve are y = 3x - 6 and y = -3x + 30.
To find the equations of the tangents to the curve, we need to determine the slope of the tangent line at the given point of tangency.
The given curve is defined by the parametric equations x = 6t^2 - 2 and y = 4t^3 - 2.
We can eliminate the parameter t by expressing t in terms of x.
Rearranging the first equation, we have t^2 = (x + 2) / 6, and taking the square root of both sides, we get t = ±√((x + 2) / 6).
Substituting this value of t into the equation for y, we have y = 4(±√((x + 2) / 6))^3 - 2.
Simplifying this expression, we obtain y = ±(4/3)√((x + 2)^3 / 6) - 2.
Now, let's find the slopes of the tangents at the point (8, 6). We take the derivative of y with respect to x and evaluate it at x = 8.
Differentiating y with respect to x, we get dy/dx = ±(4/3)√(2(x + 2)^3 / 3)(1 / 2) = ±(2/3)√((x + 2)^3 / 3).
Evaluating the derivative at x = 8, we have dy/dx = ±(2/3)√((8 + 2)^3 / 3) = ±(2/3)√(10^3 / 3) = ±(2/3)√(1000/3) = ±20√10/3.
Since the slopes of the tangents are given by the derivative, the two possible slopes are ±20√10/3.
Now we can find the equations of the tangents using the point-slope form. Using the point (8, 6), we have:
y - 6 = (±20√10/3)(x - 8).
Simplifying these equations, we get:
y = 3x - 6 and y = -3x + 30.
Therefore, the equations of the tangents to the curve that pass through the point (8, 6) are y = 3x - 6 (the smaller slope) and y = -3x + 30 (the larger slope).
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