Answer:
The answer is
B. 8/10
Step-by-step explanation:
please help thank you..
What is the value of x in the proportion below
(2/3)/5=x/16
Answer:
\(x=\dfrac{32}{15}\)
Kelly ran 6.2 miles Monday, 10.95 miles Wednesday, and 8.25 miles on Thursday. How many miles did she run in all?
Answer:
25.4 miles
Step-by-step explanation:
added them all up
but if i just wants miles than tha answer is 25
a) (10 pts) Re-express the given differential equation as a first order differential equation by utilizing matrix
and vector notation and in accordance with ()
= () form.
b) (10 pts) Is the system obtained in (a) stable, neutrally stable of unstable? Determine this using matrix.
c) (10 pts) Compute the eigenvalues and eigenvectors of matrix.
d) (10 pts) Using the results computed in (c) find and matrices and show that =
−
relationship
(i.e., the diagonalization relationship) is a valid relationship.
a) To re-express the given differential equation as a first-order differential equation using matrix and vector notation, we can rewrite it in the form:
\(x' = Ax\)
where x is a vector and A is a square matrix.
b) To determine the stability of the system obtained in part (a), we need to analyze the eigenvalues of matrix A.
If all eigenvalues have negative real parts, the system is stable.
If at least one eigenvalue has a zero real part, the system is neutrally stable.
If at least one eigenvalue has a positive real part, the system is unstable.
c) To compute the eigenvalues and eigenvectors of matrix A, we solve the characteristic equation
\(det(A - \lambda I) = 0\),
where λ is the eigenvalue and I is the identity matrix.
By solving this equation, we obtain the eigenvalues.
Substituting each eigenvalue into the equation
\((A - \lambda I)v = 0\),
where v is the eigenvector, we can solve for the eigenvectors.
d) Once we have computed the eigenvalues and eigenvectors of matrix A, we can construct the diagonalization relationship as follows:
\(A = PDP^{(-1)}\)
where P is a matrix whose columns are the eigenvectors of A, and D is a diagonal matrix whose diagonal elements are the eigenvalues of A.
To show that this relationship is valid, we can compute \(PDP^{(-1)}\) and verify that it equals A.
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If the store currently charges a price of $50, then increases that price to $60, what happens to total revenue from shoe sales (calculate P X Q before and after the price change)
Answer:
Revenue will decreaseStep-by-step explanation:
Note: the question did not provide the quantity to work with, so we will assume some values, say quantity Q= 30
Generally, it is normal for the revenue to decrease when the price of a commodity increase, this is so that buyer will have to react to adjust to the change in price.
When price increase from $50 to $60, the total revenue will decrease
let say the quantity Q1=30 , and the new quantity after price increase is Q2=20
1. The revenue PxQ before price change will be
PxQ= P1xQ1=50*30
PxQ= $1500
1. The revenue PxQ after price change will be
PxQ=P2xQ2= 60*20
P2xQ2= $1200
This clearly shows that based on the assumed data, the total revenue will drop from1500 to 1200, a total of $300 in a decrease
William fills 1/3 of a water bottle in 1/9 of a minute. How much time will it take him to fill the bottle
Answer:
3/9 = 1/3 of a minute or 20 seconds
Step-by-step explanation:
Answer:
1/3 of a minute
Step-by-step explanation:
1/3 x 3 = 1 bottle
1/9 x 3 = the time
1/9 x 3 = 3/9 or 1/3
what are the solutions to this system of equations 2x y 3 y 3 2 x 2 2
The solutions to the system of equations 2x + y = 3 and y - 3 = 2x - 2 are (1,5) and (-2,-1).
What formulae are used?A mathematical statement that has two expressions with equal values separated by the symbol "equal to" is called an equation. Consider the formula 3x + 5 = 15. Different types of equations exist, including linear, quadratic, cubic, and others. Let's read this article to learn more about math equations.
What is an equation example?The definition of an equation in algebra is a mathematical statement proving the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 has the two expressions 3x + 5 and 14 that are separated by the 'equal' sign.
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Which of these is the best source of information about a health product?
Answer:
is there something suggested?
WHATS THE ANSWER HELP
A teacher stores classroom materials over the summer in containers in the shape of a right rectangular prism that have dimensions of 2 1/2 feet by 4 2/3 feet by 3 1/2 feet. What is the volume of one of the containers?
The volume of one of the containers that have dimensions of 2 1/2 feet by 4 2/3 feet by 3 1/2 feet is approximately 40.83 cubic feet.
To find the volume of the container, we need to multiply its three dimensions: length, width, and height.
First, we need to convert the mixed numbers into improper fractions for easier calculation.
2 1/2 feet = (2 × 2 + 1)/2 = 5/2 feet
4 2/3 feet = (4 × 3 + 2)/3 = 14/3 feet
3 1/2 feet = (3 × 2 + 1)/2 = 7/2 feet
Now we can use the formula for volume of a rectangular prism, which is:
Volume = length × width × height
Plugging in the values we have, we get:
Volume = (5/2) × (14/3) × (7/2) cubic feet
Volume = 122.5/3 cubic feet
Volume = 40.83 cubic feet (rounded to two decimal places)
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The Lions won 35 out of 40 games this season. What fraction of the games did the Lions win?Write your answer in simplest form.___________________________________
Answer:
7/8
Step-by-step explanation:
Answer:
7/8
Step-by-step explanation:
Divide common factors from both the numerator and denominator. Divide 5 from both top and bottom:
(35/40)/(5/5) = 7/8
7/8 is your answer.
~
16
Select the correct answer.
Which of the following graphs shows the solution set for the inequality below?
Ix+21+7>10
OA HH
OB. H
5
1 0 1 2 3
0 1
2 3 4
10
5 6
The solution set includes all real numbers less than -5, and all real numbers greater than 1, but does not include -5 or 1 themselves.
Option D is the correct answer.
We have,
We need to isolate the absolute value |x + 2| on one side of the inequality.
We subtract 7 from both sides.
|x + 2| > 3
Next, we can split this inequality into two separate inequalities, one for when the expression inside the absolute value is positive, and one for when it is negative:
x + 2 > 3
or
- (x + 2) > 3
Solving for x in the first inequality.
x > 1
Solving for x in the second inequality.
-x - 2 > 3
Adding 2 to both sides and multiplying by -1.
x < -5
So the solution set for the inequality |x + 2| + 7 > 10 is the set of all x-values that satisfy either x > 1 or x < -5.
Using interval notation.
(-∞, -5) U (1, ∞)
Thus,
The solution set includes all real numbers less than -5, and all real numbers greater than 1, but does not include -5 or 1 themselves.
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Find the distance between point P and line L
The distance between point P and line L is 16/9√(13).
To find the distance between point P and line L, we can use the formula for the distance between a point and a line in two-dimensional space. The formula is as follows:
Let P = (x1, y1) be the point and L be the line ax + by + c = 0. Then the distance between P and L is:
|ax1 + by1 + c|/√(a² + b²)
To find a, b, and c for the given line, we need to put it in slope-intercept form y = mx + b by solving for y.
2x - 3y = 12=> 2x - 12 = 3y=> (2/3)x - 4 = y
The slope of the line, m, is the coefficient of x, which is 2/3. Therefore, the line is:
y = (2/3)x - 4The values of a, b, and c are: a = 2/3b = -1c = -4
Now we can substitute the coordinates of P and the values of a, b, and c into the formula for the distance between a point and a line.
Let P = (3, 5).|a(3) + b(5) + c|/√(a² + b²)= |(2/3)(3) - 1(5) - 4|/√[(2/3)² + (-1)²]= |-4/3 - 4|/√(4/9 + 1)= 16/9√(13).
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If MN is the image of AB after a dilation centered at point C then which of the following ratios could be used to calculate the scale factor of dilation?
Therefore, to calculate the scale factor of dilation, we need to know the coordinates of points A, B, C, M, and N or the lengths of AB and MN.
The scale factor of dilation is the ratio of the length of the image to the length of the pre-image.
In this case, MN is the image of AB after a dilation centered at point C. of the length of MN to the length of AB.
Let's denote the length of AB as "a" and the length of MN as "b". Then the scale factor of dilation, k, can be expressed as:
k = b/a
To find this ratio, we need to know the lengths of AB and MN. If those are given, we can simply divide them to find the scale factor. However, if the lengths are not given, we need additional information.
One way to find the lengths is to use the distance formula. Let's assume that the coordinates of points A, B, C, M, and N are known. Then we can use the distance formula to find the lengths of AB and MN, as follows:
\(Length of AB = \sqrt{[(xB-xA)^2 + (yB-yA)^2]\)
\(Length of MN = \sqrt{[(xN-xM)^2 + (yN-yM)^2]\)
Once we have the lengths, we can calculate the scale factor using the formula:
\(k = Length of MN / Length of AB\)
Therefore, to calculate the scale factor of dilation, we need to know the coordinates of points A, B, C, M, and N or the lengths of AB and MN.
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Periodic Deposit: $1000 at the end of each year Rate: 4.5% compounded annually Time: 11 years
The interest amount is $622.85
How to determine the interest amount?The given parameters are:
Principal, P =$1000 Rate, r = 4.5% compounded annually i.e. n = 1Time, t = 11 yearsThe interest amount is calculated as:
I = P(1 + r/n)^(nt) - P
This gives
I = 1000 * (1 + 4.5%/1)^(1 * 11) - 1000
Evaluate the products and the quotient
I = 1000 * (1 + 0.045)^(11) - 1000
Evaluate the sum
I = 1000 * (1.045)^(11) - 1000
Solve
I = 622.85
Hence, the interest amount is $622.85
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When you’re driving and your instructor tells you to do a shoulder check, do you look directly to the right and left or behind your shoulder
Answer:
If you're moving the vehicle to the right, shoulder check by moving your head 90° to the right. Turn your head 90° degrees in the direction you're moving the vehicle. And, if you're moving the vehicle to the left, you shoulder check to the left by turning your head 90° to the left.
Will give brainliest answer
Answer: 49π square units
Step-by-step explanation:
Area of a circle = πr^2
Area = π x 7^2
Area = 49π
Answer:
9.8646 or I think 14 units 2
If the largest of 89 consecutive integers is 324, what is the smallest?
Answer:
Step-by-step explanation:
If the larger of 2 consecutive integers is 324, then 324-(2-1) = 323 is the smaller.
If the largest of 89 consecutive integers is 324, then 324 - (89-1) = 236 is the smallest.
Hence, the smallest consecutive integer is \(237\).
What is the smallest consecutive integer?
Numbers that follow each other continuously in the order from smallest to largest are called consecutive numbers.
Here given that,
The largest of \(89\) consecutive integers is \(324\)
So, it is of the form
\(324-89=237\)
Hence, the smallest consecutive integer is \(237\).
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expand the following 8(x-3)
Answer:
8x-24
Step-by-step explanation:
First you do:
8×x which is 8x
Then you do:
8×-3 which is -24
Then you put it into 1 expression:
8x-24
Answer:
8−24
Thank You!
I’m stuck please help guys
Answer:
option B: 15\(x^8 y^5 z^7\)
Step-by-step explanation:
we just calculate 5 x^4 y^2 z^2 multiplied by 3x^4 y^3 z^5
and that gives the answer
A jar contains 6 red marbles numbered 1 to 6 and 8 blue marbles numbered 1 to 8 . A marble is drawn at random from the jar. Round your answer to four decimal places. Find the probability that the a. marble is red: b. marble is odd-numbered: c. marble is red or blue
The probability that a marble drawn is red is 0.4286, marble is odd-numbered is 0.5, and marble drawn is red or blue is 1.
There are 6 red marbles and 8 blue marbles, for a total of 14 marbles. The probability of drawing a red marble is the number of red marbles divided by the total number of marbles
P(Red) = 6/14 = 0.4286 (rounded to four decimal places)
There are 6 red marbles and 8 blue marbles, and 7 of them are odd-numbered (1, 3, 5, 7). The probability of drawing an odd-numbered marble is the number of odd-numbered marbles divided by the total number of marbles:
P(Odd) = 7/14 = 0.5 (rounded to four decimal places)
The probability of drawing a red or blue marble is the sum of the probabilities of drawing a red marble and a blue marble:
P(Red or Blue) = P(Red) + P(Blue)
To find P(Blue), we note that there are 8 blue marbles and 14 total marbles. Therefore,
P(Blue) = 8/14 = 0.5714 (rounded to four decimal places)
Now we can find P(Red or Blue)
P(Red or Blue) = P(Red) + P(Blue) = 6/14 + 8/14 = 14/14 = 1
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The set of ordered pairs below is a relation. {(1, 5), (0, 2), (-1, -1), (-2, -4)} What is the range of the relation?
Answer:
{ - 4, - 1, 2, 5 }
Step-by-step explanation:
the range is the values of y from the ordered pairs in the relation
range = { - 4, - 1, 2, 5 }
Find the quotient of z₁ by z2. Express your answer in
trigonometric
form.
² - 3 (0 (4) + (*))
Z₁ cos
+/sin
Z₂
²2 = 7 (cos(377)+
COS
8
O A. 7 (cos (577) + i sin (5/77))
8
B.
21(cos(577)+isin (577))
8
OC. 21 cos
21(cos(-7)+ i sin(-77))
O D. 7 (cos(-7) + + sin(-7))
i
+/sin
37T
8
The quotient of z₁ by z₂ in trigonometric form is:
7/21 * (cos(584°) + i sin(584°))
To find the quotient of z₁ by z₂ in trigonometric form, we'll express both complex numbers in trigonometric form and then divide them.
Let's represent z₁ in trigonometric form as z₁ = r₁(cosθ₁ + isinθ₁), where r₁ is the magnitude of z₁ and θ₁ is the argument of z₁.
We have:
z₁ = 7(cos(577°) + i sin(577°))
Now, let's represent z₂ in trigonometric form as z₂ = r₂(cosθ₂ + isinθ₂), where r₂ is the magnitude of z₂ and θ₂ is the argument of z₂.
From the given information, we have:
z₂ = 21(cos(-7°) + i sin(-77°))
To find the quotient, we divide z₁ by z₂:
z₁ / z₂ = (r₁/r₂) * [cos(θ₁ - θ₂) + i sin(θ₁ - θ₂)]
Substituting the given values, we have:
z₁ / z₂ = (7/21) * [cos(577° - (-7°)) + i sin(577° - (-7°))]
= (7/21) * [cos(584°) + i sin(584°)]
The quotient of z₁ by z₂ in trigonometric form is:
7/21 * (cos(584°) + i sin(584°))
Option C, 21(cos(-7°) + i sin(-77°)), is not the correct answer as it does not represent the quotient of z₁ by z₂.
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9. (a) (b) (c) (d) (e) Bako is twice as old as he was five years ago. His mother was then six times as old as he was. She is now 35 years old. How old is Bako? 10 How old was his mother when Bako was five? How old will Bako be when his mother is 50? How old was Bako's mother when he was born? What is the difference between Bako's age and his mother's?
Answer:
(a) Bako is 10 years old
(b) His mother was 30 years old when Bako was 5
(c) Bako will be 25 years old when his mother is 50
(d) Bako's mother was 25 years old when he was born
(e) The difference between Bako's age & his mother's is 25 years
Step-by-step explanation:
Let Bako's age five years ago be x years
Presently, Bako is 2x years old (according to the 1st statement)
Normal, Bako's present age should have been (x + 5) years; since he was x years old 5 years ago.
This simply means that Bako's present age is BOTH 2x years & (x + 5) years.
We have to equate them since they mean the same thing (Bako's present age)
x + 5 = 2x
2x - x = 5
Therefore x = 5 years
Remember that x signified Bako's age five years ago... This simply means that Bako's age five years ago was 5 years.
This simply means that Bako's age now is 10 years old.
His mother was then six times 5 years = 30 years old (from the 2nd statement).
If Bako was 5 years old five years ago and his mother was 30 years old... It simply means that Bako was born ten years ago when his mother was 25 years old.
This simply means that Bako's mother is older than him with 25 years.
Therefore, Bako will be 25 years old when his mother is 50 years old
A cube with side length s has volume s3. Matt has a cube-shaped wooden box that he uses to store his marble collection. It has 8-inch sides. What is the volume of the cube?
The volume of the cube with side length 8 inches is 512 inches cube.
How to find the volume of a cube?The cube with side length s has volume s³. Matt has a cube-shaped wooden box that he uses to store his marble collection. It has 8-inch sides.
The volume of the cube can be calculated as follows:
A cube has all side length equal to each other.
Therefore,
volume of the cube = s³
where
s = side lengthTherefore,
s = 8 inches
Hence,
volume of the cube = 8³
volume of the cube = 8 × 8 × 8
volume of the cube = 512 inches cube
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4. Kiran's uncle is 54 years old. He is 8 years older than three times Kiran's age. Find Kiran's age,
Kiran's age = x
Uncle's age = 54
Also,
Uncle's age = 8 + 3x
Now,
8 + 3x = 54
3x = 54 - 8
3x = 46
x = 46/3
x = 15.33
x = 15 (rounded)
On an architect's blueprint, 1 inch corresponds to 4 feet. Find the length of a wall represented by a line 1 inches long on the blueprint
The length of wall in real life is 4 feet.
Given that on an architect's blueprint, 1 inch corresponds to 4 feet.
In this architect's plan, a wall represented by a line 1 inches long on the blue print.
So, the length of wall in real life is = 4 feet.
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Answer:
4ft
Step-by-step explanation:
If 1 inch corresponds to 4 ft on the blueprint. The ratio is 1 inch on the blue print for every 4 ft in real life.
A bakery celebrated its 25th anniversary
last Friday. On that day, every 12th
customer received a free loaf of bread
and every 9th customer received a free
cupcake.
Lauren was the first customer to receive
a free loaf of bread and a free cupcake. What was Lauren's number?
Answer:
8
Step-by-step explanation:
9: 9, 18, 27, 36, 45, 54, 63, 72
12: 12, 24, 36, 48, 60, 72
72 is the first number that can be divided (evenly) by both 9 and 12
Answer:
8
Step-by-step explanation:
9: 9, 18, 27, 36, 45, 54, 63, 72
12: 12, 24, 36, 48, 60, 72
72 is the first number that can be divided (evenly) by both 9 and 12
A man pulled a cart filled with stones that had a total mass of 60 kg.
He increased the amount of force used to pull the cart from 60 N to 90 N, what is the new
acceleration of the cart?
The amount of force used to pull the cart from 60 N to 90 N, the new acceleration of the cart is, 1.5 m/s²
What is Force ?The definition of force is the pushing or pulling of anything. Push and pull are the result of two things interacting with one another. Stretch and crush are two more phrases that can be used to describe force.
Formula of force,
F = ma
Given that,
A man pulled a cart filled with stones that had a total mass of 60 kg
He increased the amount of force used to pull the cart from 60 N to 90 N
New acceleration of cart = ?
F = ma
Old acceleration,
60 = 60a
a = 1 m/s²
New acceleration,
90 = 60a
a = 90/60
a = 3/2
a = 1.5 m/s²
Hence, the new acceleration is 1.5 m/s²
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3 6 9 12 15 18 21 24 27 30 is odd or even numbers?
Answer: Half of them are even and half of them are odd.
Step-by-step explanation:
The even numbers are 6, 12, 18, 24, and 30. An even number is defined as a number that is divisible by 2, meaning it has no remainder when divided by 2. For example, 6 divided by 2 equals 3 with no remainder, so 6 is even.
The odd numbers are 3, 9, 15, 21, and 27. An odd number is defined as a number that is not divisible by 2, meaning it has a remainder of 1 when divided by 2. For example, 9 divided by 2 equals 4 with a remainder of 1, so 9 is odd.
Therefore, out of the given numbers, half of them are even and half of them are odd.
________________________________________________________