Answer:
\(8(3x + 10) = 28x - 14 - 4x \\ 8 \times 3x + 8 \times 10 = 28x - 14 - 4x \\ 24x + 80 = 24x - 14 \\ 0x = 94 \\ x = > has \: no \: solution\)
visible light comes from which one of the sun's layers
Answer:
pHotOsPHerE
Step-by-step explanation:
Answer:
Photosphere
Step-by-step explanation:
The Fitzhugh-Nagumo model for the electrical impulse in a neuron states that, in the absence of relaxation effects, the electrical potential in a neuron v(t) obeys the differential equation dv dt = −v[v2 − (1 + a)v + a] where a is a positive constant such that 0 < a < 1. (a) For what values of v is v unchanging (that is, dv/dt = 0)? (Enter your answers as a comma-separated list.) v = (b) For what values of v is v increasing? (Enter your answer using interval notation.) (c) For what values of v is v decreasing? (Enter your answer using interval notation.)
The values of v for the electric impulse model in the Fitzhugh-Nagumo model are 0, 1, and a.
What is electric impulse?The strength of the field is shown by the distance between the lines; the closer they are to one another, the stronger the field.
In this scenario, the field weakens as we travel away from the charge because the distance between the lines widens (it actually obeys an inverse square law,
The electric field, which is pointed away from the core charge, is indicated by the direction of the lines.
This is due to the fact that a positive test charge would be repelled away from the electric field if it were placed there because the direction of the electric field corresponds to the direction of the force that a positive test charge would experience when immersed in the electric field.
Hence, The values of v for the electric impulse model in the Fitzhugh-Nagumo model are 0, 1, and a.
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A dairy needs 372 gallons of milk containing 6% butterfat. How many gallons each of milk containing 7% butterfat and milk containing 3% butterfat must be used to obtain the desired 372 gallons?
is 6(3x + 1) and 9x + 6 + 9x equivalent
Answer:
The expressions are equivalent.
Step-by-step explanation:
Let's simplify each expression.
6(3x + 1) = 18x + 6
9x + 6 + 9x = 18x + 6
Both expressions are equal to 18x + 6, so they are equivalent.
Answer: The expressions are equivalent.
How many servings in 3/4 of a cookie when each serving is 1/2 cookie
what is the unit rate of $4 and 8 pounds
Answer:
32
Step-by-step explanation:
how tall is the house? please do not round for your answer can someone please help me?
height of the house is 28.4 ft
Explanation:shadow of the house = 57 feet
height of the house = ?
Height of the girl = 4.7 feet
shadow of the girl = 9.4m
The formula:
height of the house/shadow of the house = height of the girl/shadow of the girl
\(\begin{gathered} \frac{height\text{ of the house}}{57}=\frac{4.7}{9.4} \\ \text{cross multiply:} \\ 9.4(\text{height of the house) = 4.7(57)} \\ \end{gathered}\)\(\begin{gathered} \text{height of the house = }\frac{4.7(57)}{9.4} \\ \text{height of the house = }28.4\text{ f}eet \end{gathered}\)Use the svd() function in MATLAB to compute , the rank-1 approximation of . Clearly state what is, rounded to 4 decimal places. Also, compute the root mean square error (RMSE) between and .
Answer:
Here is the Matlab code.
Step-by-step explanation:
Matlab Code:
\(A = [1 2 2;3 4 5;6 7 8]\\[U,S,V] = svd(A)u1 = U(:,1)\\u2 = U(:,2)\\u3 = U(:,3)\\d1 = dot(u1,u2)\\c = cross(u1,u2)\\d2 = dot(c,u3)\)
\(d1 =- 5.5511e-17\\c = -0.7172 0.6643 -0.2103\\d2 = 1\)
Yes, since c = cross(u1,u2) is orthogonal to both u1 and u2. Hence is u3, thus the dot product with u3 is 1.
Please helppppp Math
Answer:
im pretty sure the top one
Step-by-step explanation:
Solve. Write the solution in interval notation.
The solution in interval notation is; (-∞, 49/2).
What is inequality?Inequality is defined as the relation which makes a non-equal comparison between two given functions.
To solve the equation 5/16x - 7/4 < 3/4x + 21/2, we can simplify both sides:
5/16x - 7/4 < 3/4x + 21/2
Combining like terms:
5/16x -3/4x < 21/2 + 7/4
8/16x < 49/4
1/2x < 49/4
Simplifying the fraction;
x < 49/2
Therefore, the solution in interval notation is (-∞, 49/2).
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Kelly has 36 jelly beans. Molly has 49 jelly beans. How many more jelly beans does Molly have than Kelly? 13
Answer:
13 Jelly beans
Step-by-step explanation:
you got it right?
Answer:
13 is correct
Step-by-step explanation:
49 - 36 = 13
Julie traveled 2.467 miles to Hawan from California on a plane. The plane took a total of 4.41 hours to travel What was the speed of the plane?
we have that
the speed is equal to divide the distance by the time
so
speed=distance/time
S=D/T
we have
D=2,467 miles
T=4.41 hours
substitute
S=2,467/4.41
S=559.41 miles per hourOn a coordinate plane, 2 triangles are shown. Triangle 1 has points at A (negative 3, 4), B (negative 2, 1), C (negative 4, 1). Triangle 2 has points at A prime (4, negative 2), B prime (3, negative 5), C prime (5, negative 5).
Which rule represents the translation from the pre-image, ΔABC, to the image, ΔA'B'C'?
(x, y) → (x + 7, y + 6)
(x, y) → (x + 7, y – 6)
(x, y) → (x – 6, y + 7)
(x, y) → (x + 6, y + 7
Thus, the translation rule which represents the translation of pre-image, ΔABC, into the image, ΔA'B'C is of : (x, y) → (x + 7, y – 6)
Explain about the translation:In geometry, a function that shifts an object a specific distance is referred to as translation. Nothing else is done to change the object. It is not scaled, reflected, rotated, or refracted.
Every point of such object must be translated by the same amount and in the same direction.
Given data:
coordinates of pre-image ΔABC:
A(-3,4), B(-2, 1) C(-4,1)
coordinates of image ΔABC:
A'(4,-2), B'(3, -5) C'(5,-5)
A(-3 + 7,4 – 6) - > A'(4,-2)
B(-2 + 7, 1 – 6) - > B'(3, -5)
C(-4 + 7,1 – 6) -> C'(5,-5)
Thus, the translation rule which represents the translation of pre-image, ΔABC, into the image, ΔA'B'C is of : (x, y) → (x + 7, y – 6)
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help me guys in math please
Answer: D.42⁰
Ok done. Thank to me :>
The sales tax in your city is 8.896, and an item costs $63 before tax:
How much tax would you pay on that item?
Round to the nearest hundredth or cent.
Answer:
$5.60
Step-by-step explanation:
Help
Identify the equation that represents a quadratic relationship
y =4x^2
y =4x^4
y =4x^3
y =4
The equation that represents a quadratic relationship is y = 4x^2. Option A.
A quadratic relationship is a mathematical relationship where the variable y is a function of the variable x raised to the power of 2. In other words, it is an equation in which the highest power of the variable is 2.
Let's analyze the given equations:
1. y = 4x^2: This equation represents a quadratic relationship because the variable x is raised to the power of 2. The term 4x^2 indicates that the relationship between x and y is quadratic.
2. y = 4x^4: This equation represents a quartic relationship, not a quadratic relationship. The variable x is raised to the power of 4, which indicates a higher degree relationship than quadratic.
3. y = 4x^3: This equation represents a cubic relationship, not a quadratic relationship. The variable x is raised to the power of 3, indicating a higher degree relationship.
4. y = 4: This equation represents a linear relationship, not a quadratic relationship. It is a constant equation where y is always equal to 4, regardless of the value of x. In a quadratic relationship, the variable x should have a power of 2. Option A.
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Determine the domain and range of the quadratic function. \(f(x)=2x^{2}-4x+2\)
The domain of a quadratic function is (-∞, +∞), and the range depends on the coefficient a and can be [c, +∞) or (-∞, c] depending on the direction of the parabola.
To determine the domain and range of a quadratic function, we consider the characteristics of the function and its graph.
The domain of a quadratic function, represented by the variable x, is the set of all possible input values for which the function is defined. Since quadratic functions are defined for all real numbers, the domain of a quadratic function is (-∞, +∞) or the set of all real numbers.
The range of a quadratic function, represented by the variable y or f(x), is the set of all possible output values that the function can take. For a quadratic function in the form f(x) = ax^2 + bx + c, where a ≠ 0, the range depends on the coefficient a. If a > 0, the parabola opens upward, and the range is [c, +∞). If a < 0, the parabola opens downward, and the range is (-∞, c].
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determine the surface area and volume
The surface area of a cylinder is 284m² and it's volume is 366.9m³
What is the surface area and volume of a cylinder?To find the surface area and volume of a cylinder, we need to know the radius (r) and height (h) of the cylinder. The formulas for the surface area (A) and volume (V) of a cylinder are as follows:
Surface Area (A) = 2πr² + 2πrhVolume (V) = πr²hFrom the given question, the data are;
radius = 4mheight = 7.3ma. The surface area of the cylinder is;
SA = 2π(4)² + 2π(4)(7.3)
SA = 283.999≈284m²
b. The volume of the cylinder is
v = πr²h
v = π(4)²(7.3)
v = 366.9m³
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Approximate 5.7255 to the nearest thousand
round 5.7255 to thousands place
place after thousands place (5) rounds up the 5 before it
therefore 5.726 ur ans
MARK above ANS as branliest
help need done quick pls.
Question One
Consider the following information that relates to a certain
economy
C= 40 +0.35
I = 70- 2r
G=400
T= 15+0.2Y
X=240
M=45+0.4Y
r = 0.5
Required:
i). Compute the autonomous investment, government
expenditure, export, and tax multipliers
ii). Find the equilibrium income
i) Compute the autonomous investment, government the MPM is 0.4.
AI = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
GM = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
XM = 1 / (1 - 0.4) = 1 / 0.6 ≈ 1.667 (approximately)
TM = -0.35 / (1 - 0.35) ≈ -0.538 (approximately)
ii) The equilibrium income is approximately 709.52.
To compute the autonomous investment (A), government expenditure (G), export (X), and tax (T) multipliers, we need to use the following formulas:
Autonomous Investment Multiplier (AI):
AI = 1 / (1 - MPC)
where MPC is the marginal propensity to consume.
Government Expenditure Multiplier (GM):
GM = 1 / (1 - MPC)
Export Multiplier (XM):
XM = 1 / (1 - MPM)
where MPX is the marginal propensity to import.
Tax Multiplier (TM):
TM = -MPC / (1 - MPC)
Now let's calculate these multipliers using the given information:
i). Compute the multipliers:
MPC = change in consumption / change in income
Here, we can see that the consumption function is given by C = 40 + 0.35Y.
So, the MPC is 0.35.
MPM = change in imports / change in income
Here, we can see that the import function is given by M = 45 + 0.4Y.
So, the MPM is 0.4.
AI = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
GM = 1 / (1 - 0.35) = 1 / 0.65 ≈ 1.538 (approximately)
XM = 1 / (1 - 0.4) = 1 / 0.6 ≈ 1.667 (approximately)
TM = -0.35 / (1 - 0.35) ≈ -0.538 (approximately)
ii). Find the equilibrium income:
To find the equilibrium income, we set aggregate demand (Y) equal to aggregate supply (Y) and solve for Y.
Aggregate demand (Y):
Y = C + I + G + (X - M)
Substituting the given values, we have:
Y = (40 + 0.35Y) + (70 - 2r) + 400 + (240 - (45 + 0.4Y))
Simplifying the equation:
Y = 40 + 0.35Y + 70 - 2(0.5) + 400 + 240 - 45 - 0.4Y
Combining like terms:
Y = 745 - 0.05Y
Bringing Y terms to one side:
1.05Y = 745
Dividing both sides by 1.05:
Y = 745 / 1.05 ≈ 709.52 (approximately)
Therefore, the equilibrium income is approximately 709.52.
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Q7 PLEASE HELP ME !!!!!!!!!!!!!!!!!!!
The outcomes that are contained in the events are
X = 3 and 10 ⇒ P(X) = 1/5Not X =1, 2, 4, 5, 6, 7, 8 ⇒ P(Not X) = 4/51 - P(X) = 4/5 and 1 - P(X) is the same as P(Not X)
The outcomes contained in the eventsFrom the question, we have the following parameters that can be used in our computation:
X = gray colours
Given that
gray colours = 3 and 10
We have
X = 3 and 10
Not X =1, 2, 4, 5, 6, 7, 8
The probability is then calculated as
P(X) = 2/10 = 1/5
For P(Not X), we have
P(Not X) = 1 - 1/5 = 4/5
The equation of P(Not X)In (a), we have
P(Not X) = 1 - 1/5 = 4/5
This means that
P(Not X) = 1 - P(X)
So, the solution is
1 - P(X) = 4/5
The equivalent expressionUsing the above (a) and (b) as a guide, we have the following:
1 - P(X) is the same as P(Not X)
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You are given the great circle of a sphere is a length of 25 miles. What is the volume of the sphere
The volume of the sphere is approximately 3431.82 cubic miles.
To find the volume of a sphere, we need the radius of the sphere. The length of a great circle is the circumference of the sphere, which is related to the radius by the formula C = 2πr, where C is the circumference and r is the radius.
In this case, we are given that the length of the great circle is 60 miles. We can use this information to find the radius of the sphere.
C = 2πr
60 = 2πr
Divide both sides of the equation by 2π:
r = 60 / (2π)
r = 30 / π
Now that we have the radius, we can use the formula for the volume of a sphere:
V = (4/3)πr³
V = (4/3)π(30/π)³
V = (4/3)π(27000/π³)
V = (4/3)π(27000/π³)
V = (4/3)π(27000/π³)
V = (4/3)(27000/π²)
V = (4/3)(27000/9.87) (approximating π to 3.14)
V ≈ 3431.82 cubic miles
Therefore, the volume of the sphere is approximately 3431.82 cubic miles.
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Question
You are given the great circle of a sphere is a length of 60 miles. What is the volume of the sphere?
i need help please!!!!
Answer:
-1/2
Step-by-step explanation:
You want to know the exact value of sin(-5π/6).
Reference angleThe reference angle is the smallest angle its terminal side makes with the x-axis. The angle -5π/6 is a 3rd-quadrant angle, whose reference angle is ...
-5π/6 +π = π/6
Trig function signsYou know that the signs of the sine and cosine trig functions are negative in the 3rd quadrant. Since you have memorized the short table of trig functions (first attachment), you know the value you're looking for is ...
sin(-5π/6) = -sin(π/6) = -1/2
__
Additional comment
The second attachment shows the functions that are positive in the different quadrants. The ones not listed are negative.
The third attachment shows the coordinates on the unit circle as (cos, sin). The angle 7π/6 is the same as the angle -5π/6.
The fourth attachment shows you can put your calculator in radian mode and have it tell you the answer.
PLS HELP ASAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
a cylinder with a radius of 5cm and height of 10cm equals what volume?
Answer:
15
Step-by-step explanation:
15 show wisbf disbesnsjs sjsnsid e ejeisoe. ejdjdnd
can someone solve this with work for 100 points?
a) The continuous growth rate can be calculated using the formula:
r = (ln(B) - ln(A)) / t
where r is the continuous growth rate, A is the initial count (330), B is the count after 6 hours (1340), and t is the time elapsed (6 hours).
Substituting the values:
r = (ln(1340) - ln(330)) / 6
r = 0.3907
b) The model for the bacteria colony can be written as:
B = A * e^(rt)
where B is the number of bacteria after time t, A is the initial count (330), and e is the base of the natural logarithm.
c) To find the number of bacteria after 16 hours, substitute t = 16 and the values of A and r from above:
B = 330 * e^(0.3907 * 16)
B = 9581.57
The number of bacteria after 16 hours is approximately 9582.
Which linear function has the same y-intercept as the one that is represented by the graph?
On a coordinate plane, a line goes through points (3, 4) and (5, 0).
A 2-column table with 4 rows. Column 1 is labeled x with entries negative 3, negative 1, 1, 3. Column 2 is labeled y with entries negative 4, 2, 8, 14.
A 2-column table with 4 rows. Column 1 is labeled x with entries negative 4, negative 2, 2, 4. Column 2 is labeled y with entries negative 26, negative 18, negative 2, 6.
A 2-column table with 4 rows. Column 1 is labeled x with entries negative 5, negative 3, 3, 5. Column 2 is labeled y with entries negative 15, negative 11, 1, 5.
A 2-column table with 4 rows. Column 1 is labeled x with entries negative 6, negative 4, 4, 6. Column 2 is lab
eled y with entries negative 26, negative 14, 34, 46.
The linear function that has the same y-intercept as the given graph is the equation y = -2x + 10, corresponding to option 3.
To determine the linear function with the same y-intercept as the graph, we need to find the equation of the line passing through the points (3, 4) and (5, 0).
First, let's find the slope of the line using the formula:
slope (m) = (change in y) / (change in x)
m = (0 - 4) / (5 - 3)
m = -4 / 2
m = -2
Now that we have the slope, we can use the point-slope form of a linear equation to find the equation of the line:
y - y1 = m(x - x1)
Using the point (3, 4) as our reference point, we have:
y - 4 = -2(x - 3)
Expanding the equation:
y - 4 = -2x + 6
Simplifying:
y = -2x + 10
Now, let's check the given options to find the linear function with the same y-intercept:
Option 1: The table with x-values (-3, -1, 1, 3) and y-values (-4, 2, 8, 14)
The y-intercept is not the same as the given line. So, this option is not correct.
Option 2: The table with x-values (-4, -2, 2, 4) and y-values (-26, -18, -2, 6)
The y-intercept is not the same as the given line. So, this option is not correct.
Option 3: The table with x-values (-5, -3, 3, 5) and y-values (-15, -11, 1, 5)
The y-intercept is the same as the given line (10). So, this option is correct.
Option 4: The table with x-values (-6, -4, 4, 6) and y-values (-26, -14, 34, 46)
The y-intercept is not the same as the given line. So, this option is not correct.
Therefore, the linear function that has the same y-intercept as the given graph is the equation y = -2x + 10, corresponding to option 3.
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Yolanda scored 10 points in a basketball game. She could have scored with one‐point free throws, two‐point field goals, or three‐point field goals. In how many different ways could she have scored her 10 points?
she could have scored the 10 points in 302400 ways.
The given parameters are
n= total points =10
r1 =one-point free throw = 1
r2 = two-point field goals = 2
r3 = three-point field goals = 3
The number of ways (k) she could have scored the points is:
k=(n!)/(r1!×r2!×r3!)
The factorial function is a mathematical formula represented by an exclamation mark "!".
k= 10!/(1!×2!×3!)
k= 3628800/(1×2×6)
k= 302400
so.. she could have scored the 10 points in 302400 ways.
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what statements are true about this function
The true statement about the function is C. function f and function g are not inverse because f{g(x)} = g{f(x)} .
What is inverse of a function?An inverse function or an anti function, which can reverse into another function.In simple words, if any function “f” takes x to y then, the inverse of “f” will take y to x. If the function is denoted by 'f' or 'F', then the inverse function is denoted by f-1 or F-1.
now the given functions are,
f(x) = √(2x + 2) and
g(x) = (x^2 -2)/2
Now,
f{g(x)} = f{(x^2 -2)/2}
= √(2(x^2 -2)/2 + 2)
= √ x^2 -2 + 2
f{g(x)} = √ x^2
f{g(x)} = x
Now,
g{f(x)} = g{ √(2x + 2)}
= (√(2x + 2)^2 -2)/2
= (2x + 2) -2 /2
= 2x/2
f{g(x)} = x
Here we see that ,
f{g(x)} = g{f(x)}
Hence f and g are not inverses.
∴The true statement about the function is C. function f and function g are not inverse because f{g(x)} = g{f(x)} .
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