The sum of the equation is \(9\sqrt{2}\) and it can be determined by using addition and it can be determined by summation rule in the equation.
Given that,Equation; \(\sqrt{8} +3\sqrt{2} +\sqrt{32}\)
We have to determineThe sum of the equation.
According to the question,To determine the sum of the equation following all the steps given below.
Equation; \(\sqrt{8} +3\sqrt{2} +\sqrt{32}\)The sum of the equation is determined by factorizing the equation,
Then,
The sum of the equation is,
\(=\sqrt{8} +3\sqrt{2} +\sqrt{32}\\\\= \sqrt{2\times 2\times2 }+ 3\sqrt{2} +\sqrt{2\times 2\times2 \times 2\times2 }\\\\= 2\sqrt{2} + 3\sqrt{2} + 2\times 2\sqrt{2} \\\\= 2\sqrt{2} + 3\sqrt{2} + 4\sqrt{2} \\\\= 9 \sqrt{2}\)
Hence, The required sum of the equation is \(9\sqrt{2}\).
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i need a help with graphing
A graph of the line that passes through the two points (-3/2, -3/2) and (3/2, 3/2) is shown in the image attached below.
How to calculate the slope of any straight line?In Mathematics and Geometry, the slope of any straight line can be calculated by using this mathematical equation (expression);
Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
From the information provided above, we have the following data points located on the line:
Points on the x-coordinate = (-3/2, 3/2).
Points on the y-coordinate = (-3/2, 3/2).
Substituting the given data points into the slope formula, we have the following;
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope (m) = (3/2 + 3/2)/(3/2 + 3/2)
Slope (m) = 3/3 = 1
At point (-3/2, -3/2), an equation of this line can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
Where:
m represents the slope.x and y are the data points.c represents the intercept.y - (-3/2) = 1(x - (-3/2))
y + 1.5 = x + 1.5
y = x
Next, we would use an online graphing calculator to plot the linear equation as shown in the graph attached below.
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helpoppppppppbndndnbdbdn
Simplify implies to reduce a mathematical expression to it lowest form. The 4th root of the given question is 6x.
Simplification is a process which requires showing a given equation in its most simple form. Such that it can not be simplified further i.e complete simplification.
To simplify the given question completely, convert all the terms to the power of 4. Because we are to simplify the 4th root of the given expression.
So that,
\(\sqrt[4]{1296x^{2} }\) = \(\sqrt[4]{(6^{4})(x^{4}) }\)
= \(((6^{4})*(x^{4}) ^{\frac{1}{4} }\)
expand as follows;
\(((6^{4})*(x^{4}) ^{\frac{1}{4} }\) = \((6)^{\frac{4}{4} } (x)^{\frac{4}{4} }\)
= 6*x
= 6x
Therefore, the simplified form of the given question is 6x.
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IN NEED OF HELP!!
15 POINTS!!!
Answer:
what do you need help with?
Step-by-step explanation:
❤️
lines p and q intersect at point (1,3) in the standard (x,y) coordinate plane. lines p and r intersect at (2,5)
In the standard (x, y) coordinate plane, lines p and q intersect at the point (1, 3), while lines p and r intersect at the point (2, 5).
In the given scenario, lines p and q intersect at the point (1, 3) and lines p and r intersect at the point (2, 5). Each point of intersection represents a solution that satisfies both equations of the respective lines.
The equations of lines p and q can be determined using the point-slope form or any other form of linear equation representation. Similarly, the equations of lines p and r can be determined to find their intersection point.
The coordinates (1, 3) and (2, 5) indicate the precise locations where the lines p and q, and p and r intersect, respectively, on the coordinate plane.
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mmon Core Algebra I - MA3109 B-IC
Activity
Vertical Stretches and Shrinks of Exponential Functions
Assignment Active
Identifying a Function
Which is a stretch of an exponential decay function?
◎m=²[
Of(x) = -(5)
Of(x) = 5(²)
O fix) = 5(5)*
The stretch of an exponential decay function is y = 2(1/5)ˣ
Which is a stretch of an exponential decay function?From the question, we have the following parameters that can be used in our computation:
The list of exponential functions
An exponential function is represented as
y = abˣ
Where
a = initial valueb = growth/decay factorIn this case, the exponential function is a decay function
This means that
The value of b is less than 1
An example of this is, from the list of option is
y = 2(1/5)ˣ
Hence, the exponential decay function is y = 2(1/5)ˣ
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Complete question
Which is a stretch of an exponential decay function?
Of(x) = -(5)ˣ
Of(x) = 5(2)ˣ
O fix) = 2(1/5)ˣ
Question 5 (5 points)
What is the volume of the right prism?
35 in.
37 in.
12 in.
40 in.
The volume of the right prism include the following: 8,640 in³.
How to calculate the volume of a rectangular prism?In Mathematics and Geometry, the volume of a rectangular prism can be calculated by using the following formula:
Volume of a rectangular prism = L × W × H
Where:
L represents the length of a rectangular prism.W represents the width of a rectangular prism.H represents the height or depth of a rectangular prism.Next, we would determine the area of the triangle at the base of the right prism as follows:
Base area = 1/2 × ( 36 × 12)
Base area = 1/2 × 432
Base area = 216 in².
Now, we can calculate the the volume of this right prism:
Volume = base area × height
Volume = 216 × 40
Volume = 8,640 in³.
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ann sells bracelets for $4 each and necklaces for $8 each. which inequality shows x, the number of bracelets, and y , the number of necklaces Ann must sell to make it at least $100
Consider the probability that greater than 99 out of 160 students will pass their college placement exams. Assume the probability that a given student will pass their college placement exam is 64%.
Approximate the probability using the normal distribution. Round your answer to four decimal places.
The approximate probability that greater than 99 out of 160 students will pass their college placement exams is 0.2831.
To approximate the probability using the normal distribution, we can use the concept of the binomial distribution approximation to the normal distribution. In this case, we have a large sample size (160 students) and a probability of success (passing the exam) that is not extremely small or large (64%).
To calculate the probability that greater than 99 out of 160 students will pass the exam, we can use the normal approximation to the binomial distribution. The mean of the binomial distribution is given by μ = n * p, and the standard deviation is given by σ = sqrt(n * p * (1 - p)), where n is the sample size and p is the probability of success.
In this case, n = 160 and p = 0.64.
Therefore, the mean is μ = 160 * 0.64 = 102.4,
and the standard deviation is σ = sqrt(160 * 0.64 * (1 - 0.64)) ≈ 5.1055.
Now, we can calculate the probability using the normal distribution. We want to find the probability of having more than 99 students pass the exam out of 160, which is equivalent to finding the probability that the number of successes is greater than 99.
We can standardize the value using the z-score formula: z = (x - μ) / σ, where x is the desired number of successes. In this case, x = 99.5 (to account for continuity correction, as we're dealing with a discrete distribution).
z = (99.5 - 102.4) / 5.1055 ≈ -0.565
Using a standard normal distribution table or a calculator, we can find the probability corresponding to the z-score of -0.565, which is the probability of having more than 99 students pass the exam.
Looking up the z-score of -0.565 in the standard normal distribution table, we find that the probability is approximately 0.2831.
Rounding the answer to four decimal places, the approximate probability that greater than 99 out of 160 students will pass their college placement exams is 0.2831.
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Make x the subject
y = 5x + 3
Answer:
x=y-3/5
Step-by-step explanation:
y=5x+3
y-3=5x
y-3/5=x
x=y-3/5
The real exchange rate of Canada increased by 4.9% relative to US. Observing that Canada's inflation rate is 8.5% while the US inflation rate is 3.8%, what is the change in the nominal exchange rate (in Canada's perspective)? Round your answer to the nearest two decimal place. Write your answer in percentage terms so if your answer is 10%, write 10 .
The change in the nominal exchange rate, in Canada's perspective, is a depreciation of the Canadian dollar by 2.76%.
Nominal exchange rate is the price of one currency in terms of another currency. It represents the number of units of one currency that can be purchased with a single unit of another currency. In Canada's perspective, a change in nominal exchange rate means the value of the Canadian dollar in US dollars. So, to calculate the change in nominal exchange rate from Canada's perspective.
Nominal Exchange Rate = Real Exchange Rate x (1 + Inflation of Canada) / (1 + Inflation of US) Given, Real Exchange Rate of Canada
= 4.9% Inflation of Canada
= 8.5% Inflation of US
= 3.8% Nominal Exchange Rate
= 4.9% x (1 + 8.5%) / (1 + 3.8%) Nominal Exchange Rate
= 4.9% x 1.085 / 1.038 Nominal Exchange Rate
= 5.3099 / 1.038 Nominal Exchange Rate
= 5.11 (rounded to two decimal places)
This means that if there were no inflation, the nominal exchange rate from Canada's perspective would have been 5.11 Canadian dollars per US dollar. But due to inflation, the Canadian dollar depreciated by 2.76% (calculated as (5.11 - 4.97) / 5.11 x 100%). Therefore, the change in the nominal exchange rate, in Canada's perspective, is a depreciation of the Canadian dollar by 2.76%.
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A rotation is shown in the drawing:
Which statement best describes the rotation
The answer is D! counter clockwise 180-degree rotation
The equation of a line is given by y−3=4(x+5)
Find the y-intercept of the line.
Write only the value (number) of the y -intercept as your answer.
HELPP WILL GIVE BRAINLIEST
Solve for w x y THANK YOU
Answer:
w=120°
x=45°
y=30°
Step-by-step explanation:
AT=PR, AR=PT
Therefore, y=30°
y+45°=x+30°
x=45°
In triangle:
y+30°+w=180°
w=120°
Hope it helps! :)
Lexi said, “They just charged me $17 dollars in taxes and when I bough bought these outfits for $200.” How much will Ann pay in taxes?
Answer:
8.5% tax rate
Step-by-step explanation:
17/200= 0.085 = 8.5%
what are the slopes?
Answer:
a slope is a number that describes both the direction and the steepness of the line.
Step-by-step explanation:
1) Let A = {1, 2, 3} and B = {a,b}. Answer the following.
a) What is B ⨯ A ? Specify the set by listing elements.
b) What is A ⨯ B ? Specify the set by listing elements.
c) Explain why |B ⨯ A| = |A ⨯ B| when B ⨯ A ≠ A ⨯ B ?
B ⨯ A = {(a,1), (a,2), (a,3), (b,1), (b,2), (b,3)}.
A ⨯ B = {(1,a), (1,b), (2,a), (2,b), (3,a), (3,b)}.
When A and B have the same cardinality, the sets B ⨯ A and A ⨯ B have the same number of elements, and therefore the same cardinality.
We have,
a)
B ⨯ A is the Cartesian product of B and A, which is the set of all ordered pairs (b, a) where b is an element of B and a is an element of A.
Therefore,
B ⨯ A = {(a,1), (a,2), (a,3), (b,1), (b,2), (b,3)}.
b)
A ⨯ B is the Cartesian product of A and B, which is the set of all ordered pairs (a,b) where a is an element of A and b is an element of B.
Therefore,
A ⨯ B = {(1,a), (1,b), (2,a), (2,b), (3,a), (3,b)}.
c)
The cardinality of a set is the number of elements in that set.
We can prove that |B ⨯ A| = |A ⨯ B| by showing that they have the same number of elements.
Let n be the number of elements in A, and let m be the number of elements in B.
|B ⨯ A| = m × n because for each element in B, there are n elements in A that can be paired with it.
|A ⨯ B| = n × m because for each element in A, there are m elements in B that can be paired with it.
Since multiplication is commutative, m × n = n × m.
So,
|B ⨯ A| = |A ⨯ B|.
The statement "B ⨯ A ≠ A ⨯ B" is not always true, but when it is, it means that A and B have different cardinalities.
In this case, |B ⨯ A| ≠ |A ⨯ B| because the order in which we take the Cartesian product matters.
However, when A and B have the same cardinality, the sets B ⨯ A and A ⨯ B have the same number of elements, and therefore the same cardinality.
Thus,
B ⨯ A = {(a,1), (a,2), (a,3), (b,1), (b,2), (b,3)}.
A ⨯ B = {(1,a), (1,b), (2,a), (2,b), (3,a), (3,b)}.
When A and B have the same cardinality, the sets B ⨯ A and A ⨯ B have the same number of elements, and therefore the same cardinality.
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Pls answer number 1 thank you if you do
Answer:
96 baceballs
Step-by-step explanation:
Hope this helps!
Consider function f.
f
(
x
)
=
x
2
−
x
+
6
Which statement is true about the parabola modeled by function f?
The given function f(x) = x² + x + 6 has a minimum value. Using the formula x = -b/2a, we find the x-coordinate of the minimum point as -1/2. Substituting this value back into the function, we get a y-coordinate of 5.75. Therefore, the parabola has a minimum value of 5.75. The correct answer is D.
The given function is f(x) = x² + x + 6. We can determine the maximum or minimum value of a parabola by analyzing its quadratic term (x²) coefficient.
In this case, the coefficient of the quadratic term is positive (1), indicating that the parabola opens upwards and has a minimum value.
To find the x-coordinate of the minimum point, we can use the formula x = -b/2a, where a is the coefficient of the quadratic term and b is the coefficient of the linear term.
For our function f(x), a = 1 and b = 1, so the x-coordinate of the minimum point is x = -1/(2*1) = -1/2.
Substituting this value back into the function, we can find the y-coordinate of the minimum point: f(-1/2) = (-1/2)² + (-1/2) + 6 = 1/4 - 1/2 + 6 = 5.75.
Therefore, the parabola modeled by function f has a minimum value of 5.75. Hence, the correct answer is D.
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The correct question would be as
Select the correct answer.
Consider function f.
f(x) = x² = x + 6
Which statement is true about the parabola modeled by function f?
A. The parabola has a maximum value of 0.5.
B. The parabola has a maximum value of 5.75.
C. The parabola has a minimum value of 0.5.
D. The parabola has a minimum value of 5.75.
Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many students must be randomly selected to estimate the mean weekly earnings of students at one college? We want 95% confidence that the sample mean is within $5 of the population mean, and the population standard deviation is known to be $63.
610 students must be randomly selected to estimate the mean weekly earnings of students at one college.
We have to find our α level, that is the subtraction of 1 by the confidence interval divided by 2.
So: α = (1 - 0.95)/2
α = 0.025
Now, we have to find z in the Z-table as such z has a p-value of 1 - α .
so, Z = 1.96
Now, find the margin of error M as such,
M = z(σ/√n)
In which is the standard deviation of the population and n is the size of the sample.
The population standard deviation is known to be $63.
This means that σ = 63
ample mean within $5 of the population mean
This is n for which M = 5.
So, M = z(σ/√n)
5 = 1.96(63/√n)
2.55 = (63/√n)
√n = 24.70
n = 610.4
n ≈ 610
Therefore, 610 students must be randomly selected to estimate the mean weekly earnings of students at one college.
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Your heart beats 320 times in 5 minutes. What is your heart rate? 64 beats per minute 32 beats per minute 60 beats per minute 6.4 beats per minute
Answer:
64
Step-by-step explanation:
320/5 = 64
Answer:
Your answer is 64 beats pm
Step-by-step explanation:
320 divided by 5= 64
An ice machine makes 1 pounds of ice every hour. Which graph shows this
proportional relationship?
Pounds of Ice
s of Ice
6
54321
Total Ice Made
0 1 2 3 4 5 6
Number of Hours
6
Total Ice Made
Pounds of Ice
of Ice
65432
Total Ice Made
0 1 2 3 4 5 6
Number of Hours
65
Total Ice Made
The graph that represents the situation is required.
What is graph?
A graph is a structure that resembles a set of items in discrete mathematics, more especially in graph theory, in which certain pairs of the objects are conceptually "connected." The items are represented by mathematical abstractions known as vertices, and each pair of connected vertices is referred to as an edge.
Graphs are a popular tool for graphically illuminating data connections. A graph serves the objective of presenting facts that are either too many or complex to be fully expressed in the text while taking up less room.
Here the X- axis denotes the number of hours and
Y- axis denotes the pounds of ice.
The given ordered pair is
\(\left(\frac{1}{2}, 1 \frac{1}{2}\right)=(0.5,1.5)\)
At zero hours the ice produced will be zero so, the third and fourth options are incorrect.
The only graph where the line passes through (0.5,1.5).
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A triangle has a height of 14 inches and an area of 35 square inches. How long is the base?
[Function Composition] could someone help me with this answers or show work either is fine
Answer:
(h • g)(n) = 4n^2 + 2
Step-by-step explanation:
What we simply have to do here is to place g(n) into h(n)
Hence, we replace the n value in h(n) by the totality of g(n)
Thus, we have that
(2n)^2 + 2
= 4n^2 + 2
how do i know when my father will come back wit da milk
Answer:
you dont he never will
Step-by-step explanation:
he left
got milk
forgot about you
never came back
Answer:
He will neva come back
Step-by-step explanation:
Have a good day!
Question
The table shows the balance of an account each year. Years Balance
0 $40
1 $42
2 $44
3 $46
What is the interest rate of the account? What is the balance after 10 years?
Interest rate:
%
Balance after 10 years: $
Skip to navigation
The balance after 10 years based on an interest rate of 5.25% will be $461.25.
The interest rate of the account can be calculated by using the formula I = P × R × T, where I is the interest amount, P is the original principal amount, R is the annual interest rate, and T is the time in years.
Using this formula, we can calculate the interest rate as follows:
I = 422 - 401 = 21
P = 401
T = 1
R = I / (P × T) = 21 / (401 × 1) = 0.0525
Therefore, the interest rate of the account is 5.25%.
To calculate the balance after 10 years, we can use the formula A = P(1 + rt), where A is the final amount (balance after 10 years), P is the original principal amount, r is the interest rate, and t is the number of years.
Using this formula, we can calculate the balance after 10 years as follows: A = 401(1 + 0.0525 × 10) = 461.25
Therefore, the balance after 10 years will be $461.25.
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Can anyone help me on the first question??
The number of hours of daylight in Chicago, Illinois, is modeled by the periodic function f(x)=2.95sin(2π365x)+12.21 where x represents the number of days since March 20th. Question 1 What is the period of the function?
The period of function is approximately 0.6465 days, which means that the pattern of daylight hours repeats approximately every 0.6465 days, or about every 15.55 hours.
What is periodic function?A periodic function is a function that repeats its values in a regular pattern over a specified interval or set of input values.
More specifically, a function f(x) is said to be periodic with period P if, for all values of x in the domain of f(x), we have:
f(x + P) = f(x)
The period of a periodic function is the distance along the x-axis between two consecutive peaks or troughs of the graph of the function. For the given function f(x)=2.95sin(2π365x)+12.21, the coefficient of x in the argument of the sine function is 2π365, which represents the frequency of the oscillation.
The period P of a sine function with frequency f is given by:
P = 1/f
Therefore, for the given function, the period is:
P = 1/f = 1/(2π365) ≈ 0.00177 years
However, since the function is modeling the number of hours of daylight, it is more convenient to express the period in terms of days. One year has 365 days, so we can convert the period to days by multiplying it by 365:
P = 0.00177 × 365 ≈ 0.6465 days
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can you find the determinant of a non square matrix
No, the determinant of a matrix can only be calculated for square matrices. A square matrix has an equal number of rows and columns, while a non-square matrix has a different number of rows and columns.
The determinant is a mathematical property that is defined for square matrices only. It is a scalar value that represents certain characteristics of the matrix. To calculate the determinant of a square matrix, you can use various methods such as expansion by minors, cofactor expansion, or using the properties of determinants.
For example, let's consider a 3x2 non-square matrix:
```
A = [[1, 2],
[3, 4],
[5, 6]]
```
Since A is a non-square matrix, we cannot calculate its determinant.
the determinant is a concept applicable only to square matrices. Non-square matrices do not have a determinant.
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We take a sample of 80 observations from a large population with a mean of 1460 and a standard deviation of 270. The probability that the sample mean is between 1300 and 1400 is:
The probability that the sample mean is between 1300 and 1400 is approximately 1.34%.
We can use the Central Limit Theorem and the standard normal distribution to calculate the probability that the sample mean is between 1300 and 1400. The Central Limit Theorem states that as the sample size increases, the distribution of the sample means will approach a normal distribution, regardless of the distribution of the population.
Since we have a sample of 80 observations, we can assume that the sample mean follows a normal distribution with a mean of 1460 (the population mean) and a standard deviation of:
Standard deviation of the sample mean
= population standard deviation ÷ \(\sqrt {sample size\)
\(= 270 \div \sqrt{80} = 27\)
So the standard deviation of the sample mean is 27.
We can now standardize the interval between 1300 and 1400 by subtracting the mean and dividing it by the standard deviation of the sample mean.
\(Z_1\) = (1300 - 1460) / 27 = -2.59
\(Z_2\) = (1400 - 1460) / 27 = -2.22
We need to find the area under the standard normal distribution curve between Z1 and Z2.
Using a standard normal table or a calculator with the standard normal distribution function, we can find the probability that a random variable from the standard normal distribution is between -2.59 and -2.22. This probability is approximately 0.0134 or 1.34%.
Therefore, the probability that the sample mean is between 1300 and 1400 is approximately 1.34%.
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HELP ASAP What is the explicit formula for this sequence 5,2,-1,-4
Answer:
For an nth term U(n) = a + (n - 1)d
n = number of terms
a = first term
d = common difference
a = 5
d = 2 - 5 = - 3
U(n) = 5 + (n -1)-3
= 5 - 3n + 3
= 8 - 3n
The formula for the sequence is 8 - 3n
Hope this helps