Can someone answer the first question ????? PLEASE HURRY ILL GIVE ALL MY POINTS
Answers
Answer:
its F
Step-by-step explanation:
Its f since when you do the reflection on a grid you will get (1,-4) No problem ;D
Related Questions
Easy riddle. multiple choice
There are 32 dogs in total.
There are 12 more dogs with black spots than dogs with white spots.
How many dogs with black spots are there?
a) 14
b) 20
c) 22
d) 16
Answers
Answer:
The answer is C.
Step-by-step explanation:
(32-12)/2= 10
10+12= 22
que es la regla de los signos
Answers
Answer:
La regla de los signos son los positivos y los negativos.Pero otra cosa son cuales son las raglas de los signos.
2
y
b
P
0
The equation of the line / in the diagram is y = 5-x.
The line cuts the y-axis at P.
a
Write down the co-ordinates of P.
Write down the gradient of the line 1.
NOT TO
SCALE
Answers
Given that the equation of the line in the diagram is `y = 5 - x`. The line cuts the y-axis at P. So, the coordinates of point P are (0,5) and the gradient of the line is `-1`.
The equation of the line can be written as `y = -1x + 5`.Therefore, the y-intercept of the line is 5. Therefore, the coordinates of point P are (0,5).
To find the gradient of the line, we have to write the equation of the line in the form of `y = mx + c`.
We can rewrite `y = -1x + 5` as `y = (-1)x + 5`.From the above form of the equation, we can see that the gradient `m` is `-1`.Therefore, the gradient of line 1 is `-1`.Hence, the required answer is: Coordinates of point P is `(0,5)`.The gradient of the line is `-1`.
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PLEASE HELP MEE FAST
Answers
Answer:
B
Step-by-step explanation:
Answer:
The correct answer would be B: 12/5
please helpthe linear functions f(x) and g(x) are represented on the graph, where g(x) is a transformation of f(x)
Answers
Part A
The transformation of f(x) to g(x) is a translation
two types
First
translation in x direction
the rule is
(x,y) ------> (x+k1,y)
second
translation in y direction
(x,y) -----> (x,y+k2)
Part B
solve for k
First
(x,y) ------> (x+k1,y)
the x-intercept of f(x) is 5
the x-intercept of g(x) is -3
so
(x,y) ------> (x-8,y)
the translation is 8 units to the left
k1=-8
Second
(x,y) -----> (x,y+k2)
the y-intercept of f(x) is -10
the y-intercept of g(x) is 6
so
(x,y) -----> (x,y+16)
the translation is 16 units up
k2=16
Part C
write an equation for each type of transformation
First
(x,y) ------> (x-8,y)
so
g(x)=f(x+8)
second
(x,y) -----> (x,y+16)
so
g(x)=f(x)+16
Let n be the last digit of your register number. Consider the initial value problem y" + 4y = 4un (t), y(0) = 0, y'(0) = 1.
a. Find the Laplace transform of the solution y(t).
b. Find the solution y(t) by inverting the transform.
Answers
To solve the initial value problem y" + 4y = 4u_n(t), where y(0) = 0 and y'(0) = 1, we will follow these steps:
a. Find the Laplace transform of the solution y(t).
The Laplace transform of the given differential equation can be obtained using the properties of the Laplace transform. Taking the Laplace transform of both sides, we get:
s^2Y(s) - sy(0) - y'(0) + 4Y(s) = 4U_n(s),
where Y(s) represents the Laplace transform of y(t) and U_n(s) is the Laplace transform of the unit step function u_n(t).
Since y(0) = 0 and y'(0) = 1, the equation becomes:
s^2Y(s) - s(0) - 1 + 4Y(s) = 4U_n(s),
s^2Y(s) + 4Y(s) - 1 = 4U_n(s).
Taking the inverse Laplace transform of both sides, we obtain the solution in the time domain:
y''(t) + 4y(t) = 4u_n(t).
b. Find the solution y(t) by inverting the transform.
To find the solution y(t) in the time domain, we need to solve the differential equation y''(t) + 4y(t) = 4u_n(t) with the initial conditions y(0) = 0 and y'(0) = 1.
The homogeneous solution to the differential equation is obtained by setting the right-hand side to zero:
y''(t) + 4y(t) = 0.
The characteristic equation is r^2 + 4 = 0, which has complex roots: r = ±2i.
The homogeneous solution is given by:
y_h(t) = c1cos(2t) + c2sin(2t),
where c1 and c2 are constants to be determined.
Next, we find the particular solution for the given right-hand side:
For t < n, u_n(t) = 0, and for t ≥ n, u_n(t) = 1.
For t < n, the particular solution is zero: y_p(t) = 0.
For t ≥ n, we need to find the particular solution satisfying y''(t) + 4y(t) = 4.
Since the right-hand side is a constant, we assume a constant particular solution: y_p(t) = A.
Plugging this into the differential equation, we get:
0 + 4A = 4,
A = 1.
Therefore, for t ≥ n, the particular solution is: y_p(t) = 1.
The general solution for t ≥ n is given by the sum of the homogeneous and particular solutions:
y(t) = y_h(t) + y_p(t)
y(t) = c1cos(2t) + c2sin(2t) + 1.
Using the initial conditions y(0) = 0 and y'(0) = 1, we can determine the values of c1 and c2:
y(0) = c1cos(0) + c2sin(0) + 1 = c1 + 1 = 0,
c1 = -1.
y'(t) = -2c1sin(2t) + 2c2cos(2t),
y'(0) = -2c1sin(0) + 2c2cos(0) = 2c2 = 1,
c2 = 1/2.
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Use the definition of continuity and the properties of limits to show that the function f(x) = x^2-9/(x^2-x-6)(x^2+6x+9) is continuous at x=2
Answers
Answer:
See below
Step-by-step explanation:
Factor the numerator and denominator
\(\displaystyle f(x)=\frac{x^2-9}{(x^2-x-6)(x^2+6x+9)}\\\\f(x)=\frac{(x+3)(x-3)}{(x-3)(x+2)(x+3)(x+3)}\\\\f(x)=\frac{x-3}{(x-3)(x+2)(x+3)}\)
Because \(x-3\) exists in both the numerator and denominator, there will be a hole at \(x=3\) because the function is not continuous at that point.
If we check if the function is continuous at \(x=2\), we can see that the denominator will not be 0, thus, the function is continuous at \(x=2\).
Which of the following pair of linear equations is inconsistent?
A. x - 2y = 6; 2x + 3y = 4
B. 9x - 8y = 17; 18x -16y = 34
C. 2x + 3y = 7; 4x + 6y = 5
D. 5x - 3y =11; 7x + 2y =13
Answers
Substituting the first equation into the second equation, we get: 4(2x + 3y) + 6y = 5
Expanding the left side gives: 8x + 12y + 6y = 5
Combining like terms gives: 8x + 18y = 5
Subtracting 5 from both sides gives: 8x + 18y - 5 = 0
Combining like terms gives: 8x + 18y = -5
This equation represents a line in the xy-plane. The original equation 2x + 3y = 7 represents a different line in the xy-plane. These lines do not intersect, so this system of equations has no solutions and is inconsistent.
Which line on the graph below has an undefined slope?
Answers
Line R has the undefined slope
Answer:
C/R
Step-by-step explanation:
Jonathan’s math test scores were 87, 93, 85, 62, and 95. What was his mean score?
Answers
Answer:
Jonathan's mean score is:
(87+93+85+62+95)/5
=422/5
=84.4
If a many-to-many-to-many relationship is created when it is not appropriate to do so, the conversion to ____ normal form will correct the problem.
Answers
Answer:
Step-by-step explanation:
Need help! I think this is pretty easy but I'm missing something
Answers
Answer:
I think you have it right!
Step-by-step explanation:
if not then try to add each angle to see if you get 288
Solve using order of operations
Problem #1: 5 + 8: 2 - 7
Problem #2:12 X 3 - 42 + 20
Problem #3:4 :1 +8 X 2
Problem #4:17 x 3 + 15 : 3
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2. 14
3. 20
4. 56
if the : means something other than division then these r wrong sorry
make steps so clear So I could Understand
find Y(t) = x(t)•h(t)
find \( y(t)=x(t) * h(t) \cdots \) ? \[ y(t)=\int_{-\infty}^{\infty} x(\tau) h(t-\tau) d \tau \| \]
Answers
To find the convolution \( y(t) = x(t) * h(t) \), we reverse and shift the impulse response, multiply it with the input signal, and integrate the product over the range of integration.
To find \( y(t) = x(t) * h(t) \), we need to perform a convolution integral between the input signal \( x(t) \) and the impulse response \( h(t) \).
The convolution integral is given by the equation:
\[ y(t) = \int_{-\infty}^{\infty} x(\tau) h(t-\tau) d\tau \]
Here are the steps to find the convolution \( y(t) \):
1. Reverse the time axis of the impulse response \( h(t) \) to obtain \( h(-t) \).
2. Shift \( h(-t) \) by \( t \) units to the right to obtain \( h(t-\tau) \).
3. Multiply \( x(\tau) \) with \( h(t-\tau) \).
4. Integrate the product over the entire range of \( \tau \) by taking the integral \( \int_{-\infty}^{\infty} \) of the product \( x(\tau) \cdot h(t-\tau) \) with respect to \( \tau \).
5. The result of the convolution integral is \( y(t) \).
The convolution integral represents the output of the system when the input signal \( x(t) \) is passed through the system with impulse response \( h(t) \).
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HELP ME!!! 20 points!!
Answers
Please help
I'm desperate
Answers
Answer:
C = 131.88 cm
Step-by-step explanation:
the circumference (C) of a circle is calculated as
C = 2πr ( r is the radius ) , then
C = 2 × 3.14 × 21 = 131.88 cm
Help ♡? and how many do I shade
Answers
Answer:
The product is 6112
because u multiply the numbers together
Step-by-step explanation:
PLEASE HELP WILL MARK BRAINLIEST!!
Answers
Answer:
These are opposite because they are literally just facing in different directions so the answer is opposite.
Step-by-step explanation:
These figure have same orientation
student researchers wanted to see whether a short delay between seeing a list of words and when people were asked to recall them would hinder memorization. the subjects were shown a list of words to memorize for 1 minute and were then given 1 minute to recall as many words as they could. each subject did this once with no delay between memorizing and recall and another time with a 30-second wait between memorizing and recall. they were randomly assigned the order of the two conditions. the number of words memorized under each condition can be found in the statcrunch data set memorizingwords. questions: use the appropriate simulation applet to calculate an approximate p-value. is there strong evidence that a short delay hinders the memorization process? explain.
Answers
The appropriate simulation applet to calculate an approximate p-value is 0.0077.
The strong evidence that a short delay hinders the memorization process is strong data suggests that a brief delay impairs memorization.
Delay or no delay, answer: the number of words remembered
The mean distance between words remembered with and without delay over time is null, or zero.
Alt: The mean distance in words remembered over the long term (with no delay minus with delay) is higher than 0.
Yes, the majority of the lines do skew to the right. The mean for no delay is 10.55 whereas that for with delay is 8.7.
The mean distance in words remembered is 1.85.
1)0.0077 as the p-value
2)Strong data suggests that a brief delay impairs memorization.
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Consider the function f(x,y,z)=5+yxz+g(x,z) where g is a real-valued differentiable function. Find the directional derivative of f at the point (3,0,3) along the direction of the vector (0,4,0). Enter your answer symbolically, as in these
Answers
Given, the function is f(x,y,z)=5+yxz+g(x,z)Here, we need to find the directional derivative of f at the point (3,0,3) along the direction of the vector (0,4,0) . The directional derivative of f at the point (3,0,3) along the direction of the vector (0,4,0) is 0.
Using the formula of the directional derivative, the directional derivative of f at the point (3,0,3) along the direction of the vector (0,4,0) is given by
(f(x,y,z)) = grad(f(x,y,z)).v
where grad(f(x,y,z)) is the gradient of the function f(x,y,z) and v is the direction vector.
∴ grad(f(x,y,z)) = (fx, fy, fz)
= (∂f/∂x, ∂f/∂y, ∂f/∂z)
Hence, fx = ∂f/∂x = 0 + yzg′(x,z)fy
= ∂f/∂y
= xz and
fz = ∂f/∂z = yx + g′(x,z)
We need to evaluate the gradient at the point (3,0,3), then
we have:fx(3,0,3) = yzg′(3,3)fy(3,0,3)
= 3(0) = 0fz(3,0,3)
= 0 + g′(3,3)
= g′(3,3)
Therefore, grad(f(x,y,z))(3,0,3) = (0, 0, g′(3,3))Dv(f(x,y,z))(3,0,3)
= grad(f(x,y,z))(3,0,3)⋅v
where, v = (0,4,0)Thus, Dv(f(x,y,z))(3,0,3) = (0, 0, g′(3,3))⋅(0,4,0) = 0
The directional derivative of f at the point (3,0,3) along the direction of the vector (0,4,0) is 0.
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please help fast!!! a shirt is regularly priced at $35.50 if it is discounted by 45% what is the sales price
Answers
help with this question
Answers
Answer:
\(x=-2\\x=-\frac{3}{2}\)
Step-by-step explanation:
-------------------->>>>
\(2x^2+7x+6=0\)
\(2x+4x+3x+6=0\)
\(2x(x+2)+(3x+2)=0\)
\((x+2)(2x+3)=0\)
\(x=-2\\x=-\frac{3}{2}\)
---------------
Hope this is helpful.
What is the simplify of 1 2/3 6/5
Answers
Step-by-step explanation:
you can look it up
give your answer in scientific notation.
7.80 × 10^7/1.0 x 10^4 =?
Answers
Solving (7.80 × 10^7) / (1.0 x 10^4) and giving the answer in scientific notation is 78.7 * 10^-3
What is scientific notation?Using scientific notation, one can express extremely big or extremely small values.
If a number between 1 and 10 is multiplied by a power of 10, the result is written in scientific notation.
How to solve the division problemSolving the problem (7.80 × 10^7) / (1.0 x 10^4)
The division
= (7.80 × 10^7) / (1.0 x 10^4)
= 0.0787
= 78.7 * 10^-3
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the question is in the link Please HELP ME ANSWER THI!!!!
Answers
Answer:
1. (22 + 19b) + 7 = 19b + 29
2. 18 + (5 + 6m) = 6m + 23
3. 11s (4) = 44s
4. 10y (7) = 70y
Step-by-step explanation:
Always simplify your answer. First, rearrange the terms. (22 + 19b) + 7 / (19b + 22) + 7 / Second, eliminate the redundant parentheses. (19b + 22) + 7 / 19b + 22 + 7 / Third, add the numbers. 19b + 22 + 7 / 19b + 29 / And finally, you have your soultion, 19b + 29! I really hope this helped you. I am sorry if I possibly got one of the answers wrong, hope it helps! :)
Nic paid a total of +25.68 for a game, including 7, tax. What was the
price before tax?
a. Draw a tape diagram to illustrate the problem.
b. Find the game price before tax. Explain how you know.
Please help ASAP with a good explanation PLEASE I BEG YOU! It’s supposed to be turned in today
Answers
Answer:
He Spent 24.0624 Dollars
Step-by-step explanation:
25.86-25.68*7%=24.0624 Dollars
Hope This Helps!
Write two equivalent fractions for the picture.
Thx!!! ♡◇¤☆
Answers
Answer:
3/4, 12/16, 9/124/6, 8/12, 12/18Mark as Brainliest please
The equivalent fractions are 3/4 and 6/8 & 2/3 and 4/6
How to determine the equivalent fractions?Diagram 3
We have
Shaded = 3
Total = 4
So, the fraction is:
Fraction = 3/4
Multiply the numerator and the denominator by 2
Fraction = 6/8
Hence, the equivalent fractions are 3/4 and 6/8
Diagram 4
We have
Shaded = 4
Total = 6
So, the fraction is:
Fraction = 4/6
Divide the numerator and the denominator by 2
Fraction = 2/3
Hence, the equivalent fractions are 2/3 and 4/6
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Select all the logarithmic expressions that have been evaluated correctly, to the nearest hundredth.
A. Log3 8 = 0. 43
B. Log3 6 = 1. 63
C. Log4 5 = 1. 16
D. Log2 32 = 1. 51
E. Log4 7 = 2. 21
Answers
The logarithmic expressions that have been evaluated correctly to the nearest hundredth are as follows;
A. log₃ 8 = 1.89B. log₃ 6 = 1.63C. log₄ 5 = 1.16D. log₂ 32 = 5.00E. log₄ 7 = 1.49
Exponent is defined as the method of expressing large numbers in terms of powers. That means, exponent refers to how many times a number multiplied by itself. For example, 6 is multiplied by itself 4 times, i.e. 6 × 6 × 6 × 6. This can be written as 64. Here, 4 is the exponent and 6 is the base.
Logarithm, the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, x is the logarithm of n to the base b if bx = n, in which case one writes x = logb n. For example, 23 = 8; therefore, 3 is the logarithm of 8 to base 2, or 3 = log2 8.
Therefore, the logarithmic expressions that have been evaluated correctly to the nearest hundredth are;
B. log₃ 6 = 1.63
C. log₄ 5 = 1.16
E. log₄ 7 = 1.49.
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balancing work and school: is there a correlation between how many hours per week a student works outside of school and how many units the student takes in a quarter? a cluster sample of 482 students is chosen.
Answers
Yes, there is a correlation between the number of hours per week a student works outside of school and how many units the student takes in a quarter.
The cluster sample of 482 students is chosen in order to examine the relationship between these two variables. The statistical relationship between two variables is known as correlation.
The correlation coefficient r is used to determine the degree and direction of the correlation between two variables. The correlation coefficient is a numerical value that ranges from -1 to +1.
A negative correlation exists when one variable decreases as the other variable increases. A positive correlation exists when both variables increase or decrease together.
In this case, if the number of hours per week a student works outside of school increases, the number of units the student takes in a quarter may decrease, indicating a negative correlation between the two variables. Similarly, if the number of hours per week a student works outside of school decreases, the number of units the student takes in a quarter may increase, indicating a positive correlation between the two variables.
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help please i need it
Answers
Answer:
since a || b
<A = <ABb = 60°
in a triangle the sum of all angles is 180°
so,
30 + 60 + x = 180
x= 180-90
x= 90