An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.
We have,
An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.
In other words,
The sequence is monotonically increasing, with no decreasing terms.
For example,
The sequence {1, 3, 5, 7, 9, ...} is an increasing monotonic sequence, as each term is greater than the one before it.
Thus,
An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.
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The complete question
Increasing monotonic sequence:
Which of the following is equal to the rational expression when x + 1 or -1?
5(x-1)
(x+1)(x-1)
Ο Α.
OB.
5
(x-1)(x + 1)
5
X+1
OC. 5(x-1)
X+1
OD 5
x-1
We can see here that the expression that is equal to the rational expression when x doesn’t equal 1 or -1 is 5/(x+1).
What is a rational expression?A fraction with a polynomial in the numerator and denominator is referred to as a rational expression. No numerator can be 0. A polynomial is an expression that only supports the operations of addition, subtraction, multiplication, and non-negative integer exponents. It can also contain constants, variables, and exponents.
The given expression is: 5(x-1)/(x+1)(x-1) where x doesn’t equal 1 or -1.
Thus, if we cancel out numerator and denominator, we will have: 5/(x+1).
Thus, 5/(x+1) is the correct answer.
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The complete question is:
Which of the following is equal to the rational expression when x doesn’t equal 1 or -1? 5(x-1)/(x+1)(x-1).
How do I solve this?
The trigonometric identity 1 + cot⁴θ = cosec⁴θ - 2cot²θ
What are trigonometric identities?Trigonometric identities are mathematical equations that contain trigonometric ratios in which one side is equal to the other.
Given the trigonometric identity
1 + cot⁴θ = cosec⁴θ - 2cot²θ, we need to show that the Left hand side L.H.S equals the Right Hand side R.H.S. we proceed as follows.
So, L.H.S = 1 + cot⁴θ
Now using the trigonometric identity
1 + cot²θ = cosec²θ
Making cot²θ subject of the formula, we have that
cot²θ = cosec²θ - 1
So, substituting this into the equation, we have that
1 + cot⁴θ = 1 + (cot²θ)²
= 1 + (cosec²θ - 1)²
Expanding the bracket, we have that
= 1 + cosec⁴θ - 2cosec²θ + 1
= cosec⁴θ - 2cosec²θ + 1 + 1
= cosec⁴θ - 2cosec²θ + 2
= cosec⁴θ + 2 - 2cosec²θ
= cosec⁴θ + 2(1 - cosec²θ)
= cosec⁴θ + 2cot²θ
= R.H.S
Since L.H.S = R.H.S
1 + cot⁴θ = cosec⁴θ - 2cot²θ
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If xy + 4ey = 4e, find the value of y'' at the point where x = 0. y'' = Need Help? Read It Chat About It Submit Answer Save Progress Practice Another Version
We cannot find the value of y'' at the point where x = 0 using this method.
To find y'' at the point where x = 0, we need to differentiate the given equation twice with respect to x.
First, we take the derivative of both sides with respect to x:
y + xy' + 4ey' = 0
Next, we take the derivative of this equation with respect to x:
y' + xy'' + y' + 4ey'' = 0
Simplifying this expression, we get:
2y' + xy'' + 4ey'' = 0
We are given that xy + 4ey = 4e. Differentiating this equation with respect to x, we get:
y + xy' + 4ey' = 0
Substituting y' = -(y + 4ey')/x from this equation into the previous equation, we get:
2y' - (y + 4ey') + 4ey'' = 0
Simplifying this expression, we get:
y'' = (y + 4ey' - 2y')/(4e)
When x = 0, we have y = 4e/4e = 1 and y' = -(1 + 4e*y')/0, which is undefined.
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If all are equally likely, find the number of possible outcomes
4 play dates, 3 show times
There are 12 possible outcomes when considering all combinations of 4 play dates and 3 show times.
For each play date, you have 3 options for the show time.
Since the events are independent and all options are equally likely, you can multiply the number of options together to find the total number of possible outcomes.
Number of possible outcomes
= Number of play dates × Number of show times
= 4 × 3
= 12
Therefore, there are 12 possible outcomes when considering all combinations of 4 play dates and 3 show times.
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Write a quadratic function in standard form that passes through (-7,0) , (-1,0) and (-6,-20)
Answer:
y = 4x^2 + 32x + 28
Step-by-step explanation:
Before we can find the standard form of the quadratic function with the given coordinates, we must first start with the intercept form, whose general equation is
y = a(x - p)(x - q), where
a is a constant determining concavity (essentially, whether the parabola opens upward or downward)(x, y) are any point on the parabola,and p and q are the x-intercepts/rootsStep 1: We can plug in (-6, -20) for x and y, -7 for p and -1 for q into the intercept form. This will allows us to solve for a:
-20 = a(-6 - (-7))(-6 - (-1))
-20 = a(-6 + 7)(-6 + 1)
-20 = a(1)(-5)
-20 = -5a
4 = a
Thus, the full equation in vertex form is
y = 4(x + 7)(x + 1).
Step 1: The general equation for standard form is
y = ax^2 + bx + c.
We can convert from vertex to standard form by simply expanding the expression. Let's ignore the 4 for a moment simply focus on (x + 7)(x + 1).
We can expand using the FOIL method, where you multiply
the first terms, the outer terms,the inner terms, and the last terms,then simplify by combining like termsWe see that the first terms are x and x, the outer terms are x and 1, the inner terms are 7 and x and the last terms are 7 * 1. Now, we multiply and simplify:
(x * x) + (x * 1) + (7 * x) + (7 * 1)
x^2 + x + 7x + 7
x^2 + 8x + 7
Step 3: Now, we can distribute the four to each term with multiplication:
4(x^2 + 8x + 7)
4x^2 + 32x + 28
Optional Step 4: We can check that our quadratic function in standard form, by plugging in -7, -1, and -6 for x and seeing that we get 0 as the y value for both x = -7 and x = -1 and -20 as the y value for x = -6:
Checking that (-7, 0) lies on the parabola of 4x^2 + 32x + 28:
0 = 4(-7)^2 + 32(-7) + 28
0 = 4(49) - 224 + 28
0 = 196 - 196
0 = 0
Checking that (-1, 0) lies on the parabola of 4x^2 + 32x + 28:
0 = 4(-1)^2 + 32(-1) + 28
0 = 4(1) - 32 + 28
0 = 4 - 4
0 = 0
Checking that (-6, -20) lies on the parabola of 4x^2 + 32x + 28:
-20 = 4(-6)^2 + 32(-6) + 28
-20 = 4(36) -192 + 28
-20 = 144 -164
-20 = -20
I attached a graph from Desmos to show how the function y = 4x^2 + 32x + 28 contains the points (-7, 0), (-1, 0), (-6, 20), further proving that we've correctly found the quadratic function in standard form passing through these three points
Writing unit fractions with a common denominator to add or subtract
finding 1/4-1/2 pls help
1/4 - 1/2 = -1/4. Don't forget to include the negative sign in your answer, which indicates that the result is less than 0. it's important to find a common denominator so that you can add or subtract them easily.
To subtract unit fractions like 1/4 and 1/2, you need to find a common denominator. A common denominator is a number that both denominators can divide into evenly. In this case, the smallest common denominator is 4, since 4 can be divided evenly by both 4 and 2.
To get both fractions to have a denominator of 4, you need to multiply 1/4 by 1 and 1/2 by 2/2, which equals 2/4.
Now that both fractions have the same denominator, you can subtract the numerators:
1/4 - 2/4 = -1/4
Overall, when working with unit fractions,
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Mr.Pham assigns a quiz that will have at most 15 questions. Write an inequality that shows how many questions, q, will be on the quiz.
Correct inequality that shows number of questions, q, will be on the quiz is,
⇒ q ≤ 15
Since, A relation by which we can compare two or more mathematical expression is called an inequality.
Here, We have to given that;
Mr. Pham assigns a quiz that will have at most 15 questions.
Since, Symbol of at most is, ( ≤ )
Hence, Correct inequality that shows number of questions, q, will be on the quiz is,
⇒ q ≤ 15
Thus, Correct inequality that shows number of questions, q, will be on the quiz is,
⇒ q ≤ 15
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The circular area covered by a lawn sprinkler has a 24.25-foot diameter. What is the area of the space covered by the sprinkler? Use 3.14 for π
. Round to the nearest hundredth if necessary.
The area covered by the lawn sprinkler is approximately 461.63 square feet.
What is the area covered sprinkler?A circle is simply a closed 2-dimensional curved shape with no corners or edges.
The area of a circle is expressed mathematically as;
A = πr²
Where r is radius and π is constant pi ( π = 3.14 )
Given that; the diameter of the circle is 24.25 feet.
The radius of the circle is half of the diameter, so:
Radius r = diameter/2
Radius r = 24.25 / 2
Radius r = 12.125 feet
Next, plug the values into the above formula and solve for area.
Area = πr²
Area = 3.14 × ( 12.125 ft )²
Area = 3.14 × ( 12.125 ft )²
Area = 461.63 ft²
Therefore, the area is 461.63 ft².
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During a snowstorm, Nathan tracked the amount of snow on the ground. When the
storm began, there were 5 inches of snow on the ground. For the first 3 hours of the
storm, snow fell at a constant rate of 1 inch per hour. The storm then stopped for 5
hours and then started again at a constant rate of 3 inches per hour for the next 3
hours. Make a graph showing the inches of snow on the ground over time using the
data that Nathan collected.
A right triangle has an opposite side of 8th and an adjacent side of 6ft. What is the length of the missing side?
The length of the missing side (the hypotenuse) is 10 ft.
We have,
We can use the Pythagorean theorem to find the length of the missing side of the right triangle.
So,
a² + b² = c²
where a and b are the lengths of the legs, and c is the length of the hypotenuse.
In this case,
The opposite side (which is the leg) has a length of 8 ft, and the adjacent side (which is the other leg) has a length of 6 ft.
Let x be the length of the missing side. Then we have:
a = 8 ft
b = 6 ft
c = x
Plugging these values into the Pythagorean theorem, we get:
8² + 6² = x²
64 + 36 = x²
100 = x²
Taking the square root of both sides, we get:
x = √100 = 10 ft
Therefore,
The length of the missing side (the hypotenuse) is 10 ft.
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Each small meat loaf uses three quarters pound of meat. How much meat do you need to make 8 small meat loaves
To make 8 small meat loaves, you will need a total of 6 pounds of meat.
This is because each small meat loaf requires three quarters (0.75) of a pound of meat, and 8 loaves multiplied by 0.75 pounds per loaf equals 6 pounds of meat.
When preparing the meat, it's important to measure out each loaf accurately to ensure they are all the same size and cook evenly. You can use a kitchen scale to measure out the appropriate amount of meat for each loaf.
Once the meat is prepared, you can add your desired seasonings and mix-ins to create a flavorful dish. Some popular additions to meatloaf include onions, garlic, Worcestershire sauce, breadcrumbs, and eggs.
When shaping the loaves, you can use a muffin tin or form them by hand. Bake them in the oven at 350°F for 25-30 minutes or until they reach an internal temperature of 160°F.
Overall, making small meat loaves is a delicious and easy way to enjoy a classic comfort food.
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Trapezoid ABCD is congruent to trapezoid A′′B′′C′′D′′ . Which sequence of transformations could have been used to transform trapezoid ABCD to produce trapezoid A′′B′′C′′D′′ ? Responses Trapezoid ABCD was reflected across the y-axis and then across the x-axis. , , trapezoid A B C D, , , , was reflected across the y -axis and then across the x -axis. Trapezoid ABCD was reflected across the y-axis and then translated 7 units up. , , trapezoid A B C D, , , , was reflected across the y -axis and then translated 7 units up. Trapezoid ABCD was translated 7 units up and then 12 units left. , , trapezoid A B C D, , , , was translated 7 units up and then 12 units left. Trapezoid ABCD was reflected across the x-axis and then across the y-axis. , , trapezoid A B C D, , , , was reflected across the x -axis and then across the y -axis.
The correct sequence of transformations that could have been used to transform Trapezoid ABCD to produce trapezoid A''B''C''D'' is that trapezoid ABCD was reflected across the y-axis and then across the x-axis.
To transform trapezoid ABCD into trapezoid A''B''C''D'', we need to apply a sequence of transformations that will result in the same size and shape of the two trapezoids, which means that they are congruent.
One possible sequence of transformations that could have been used to transform trapezoid ABCD to produce trapezoid A''B''C''D'' is:
Trapezoid ABCD was reflected across the y-axis and then across the x-axis.
This sequence of transformations would result in the same size and shape of the two trapezoids, which means that they are congruent. Let's see why this is true.
When we reflect trapezoid ABCD across the y-axis, each point on the trapezoid is reflected across the y-axis, which means that its x-coordinate is multiplied by -1 while its y-coordinate remains the same. This results in a mirror image of the trapezoid on the opposite side of the y-axis.
Next, when we reflect the trapezoid across the x-axis, each point is reflected across the x-axis, which means that its y-coordinate is multiplied by -1 while its x-coordinate remains the same. This results in a mirror image of the trapezoid on the opposite side of the x-axis.
The resulting trapezoid is now in the same position and orientation as trapezoid A''B''C''D'', but it may not be in the same location. However, since the trapezoid is congruent, we can translate it to match the position of trapezoid A''B''C''D''.
Therefore, the correct sequence of transformations that could have been used to transform trapezoid ABCD to produce trapezoid A''B''C''D'' is that trapezoid ABCD was reflected across the y-axis and then across the x-axis.
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please help fast with my assignment
if 63 adults represent 87.5% of the people who visited a museum over a noon hour,
how many people visited the museum during the noon hour
A.72
B.86
C.135
D.151
Answer:
A. 72
Step-by-step explanation:
63/x = 87.5/100
x = 6300 divided by 87.5
x = 72
Find the sector area for the following where 2pi/3 r=6 m
The sector area is 6π square meters.
We can use the formula for the area of a sector of a circle, which is:
A = (θ/2π) × πr²
where θ is the representation of the central angle in radians, and r is the representation of the radius of the circle.
In this case, we are given that 2π/3 is the central angle and r = 6 m. We can simplify 2π/3 as 120 degrees or π/3 radians.
When we enter these values into the formula, we get:
A = (π/3 × 1/2π) × (36)
= (1/6) × 36π
= 6π
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complete the point-slope equation of the line through (-5 4) and (1 6)
Answer:
y - 4 = 1/3(x + 5)
Step-by-step explanation:
The general equation for the point-slope form of a line is given by:
y - y1 = m(x - x1), where
(x1, y1) is a point on the line, and m is the slope of the line.Step 1: To find the equation of the line through (-5, 4) and (1, 6), we first need to find the slope of the line using the slope formula, which is:
m = (y2 - y1) / (x2 - x1), where
(x1, y1) are one point on the line,and (x2, y2) are another point on the lineWe can allow (-5, 4) to be our (x1, y1) point and (1, 6) to be our (x2, y2) point:
m = (6 - 4) / (1 - (-5))
m = 2 / (1 + 5)
m = 2/6
m = 1/3
Now we can use the point-slope form of the equation with either of the two points.
Since we already used (-5, 4) as our (x1, y1) point, let's use it for the point-slope form:y - 4 = 1/3(x - (-5))
y - 4 = 1/3(x + 5)
Thus, the point-slope equation of the line through (-5, 4) and (1, 6) is:
y - 4 = 1/3(x + 5)
Which statement is not true?
An event can have a probability of 0.
An event can have a probability of .
A game is fair if the probability of winning is .
An event can have a probability of 1.
Whoever answers correctly, I will mark brainliest!
Need the solution right now in a hurry
Answer:
”an event can have a probability of 0”
Step-by-step explanation:
A probability can not be 0 it has to be more then 0
If a balloon contains 25 cubic centimeters of air, and if you can further add a maximum of 15 cubic centimeters of air to the balloon, what is the maximum capacity of the balloon?
The approximate surface area of the balloon is 199 cm².
The approximate volume of the balloon is 262 cm³
Here, we have,
the surface area and the volume of the balloon:
Radius of the balloon = circumference / 6.2832
25 / 6.2832 = 3.98cm
we know that,
Surface area = 4πr²
4 x 22/7 x 3.97² = 199 cm²
we have,
Volume = 4/3πr³
4/3 x 22/7 x 3.97³ = 262.20 cm³
Hence, The approximate surface area of the balloon is 199 cm².
The approximate volume of the balloon is 262 cm³
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complete question:
A spherical balloon has a circumference of 25 cm.
a.) What is the approximate surface area of the balloon to the nearest square centimeter?
b.) What is the approximate volume of the balloon to the nearest cubic centimeter?
how should a firm record an impairment in the value of property, plant, or equipment?
A firm should record an impairment in the value of property, plant, or equipment by reducing the carrying amount of the asset and recognizing the impairment loss as an expense in the financial statements.
When the value of property, plant, or equipment is impaired, meaning its recoverable amount is lower than its carrying amount, a firm should recognize this impairment in its financial statements. The impairment is recorded by reducing the carrying amount of the asset to its recoverable amount, which is the higher of its fair value less costs to sell or its value in use. The difference between the carrying amount and the recoverable amount is recognized as an impairment loss and recorded as an expense in the income statement. This adjustment reflects the decrease in the value of the asset and allows the firm to accurately report its financial position and performance.
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A nervous kicker usually makes 71% of his first field goal attempts. If he makes his first attempt, his success rate rises to 89%. What is the probability that he makes his first two kicks?
Answer: 0.632
The probability that the kicker makes his first two kicks is 63.21%. This means that out of 100 attempts, the kicker is likely to make both kicks 63 times.
To solve this problem, we need to use conditional probability. We know that the kicker usually makes 71% of his first field goal attempts. So, the probability that he makes his first kick is 0.71. If he makes his first attempt, his success rate rises to 89%. So, the probability that he makes his second kick given that he made his first kick is 0.89.
Now, to find the probability that he makes his first two kicks, we need to multiply the probability of him making his first kick by the probability of him making his second kick given that he made his first kick. This can be represented as:
P(2 successful kicks) = P(1st kick is successful) x P(2nd kick is successful | 1st kick is successful)
P(2 successful kicks) = 0.71 x 0.89
P(2 successful kicks) = 0.6321 or 63.21%
Therefore, the probability that the kicker makes his first two kicks is 63.21%. This means that out of 100 attempts, the kicker is likely to make both kicks 63 times.
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there were 375 books sold last week at Sid's Bookstore. The table below summarizes these books by genre. This information is also presented as a circle graph.
Find the central angle measure, x° for the Self-Help slice in the circle graph. Do not round.
The central angle formed by the Self Help slice is 86.4°.
A circle is formed when you draw a point and connect it from end to end forming a complete revolution.
We have to find the central angle formed by the Self Help slice
One revolution equals 360°.
Therefore, each piece of pie for each type of book is a fraction of one revolution.
The fraction can be determined by dividing the number for a specific type of book to the total number of books.
Specifically, the fraction for the Self Help slice would be 90/375 which is equal to 0.24 or 24%.
Then, 24% of 360 is 86.4.
Therefore, the central angle formed by the Self Help slice is 86.4°.
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There are 375 books sold at Sid's Bookstore. The table below summarizes these books by genre. This info is presented in circle graph. Find the central angle measure for Self Help slice in graph. Mystery 99, romance 81, self help 90, cooking 57, biography 48.
Could someone explain this to me???
For vector arithmetic, vector addition (adding two vectors) and scalar multiplication (multiplying a vector by a scalar) is "component-wise". So when adding two vectors you add each component in the first vector to the corresponding one in the second to get the resulting vector. In scalar multiplication you multiply each vector component by the scalar and that gives the resulting vector.
So if u = <3,-2> and v = <-1,4>,
3u = <3*3,-2*3> = <9,-6>
2v = <-1*2,4*2> = <-2,8>
3u + 2v = <9,-6> + <-2,8> = <9+(-2),-6+8> = <7,2>
Select the correct answer.
The graphs represent functions f and g.
-10.
10
-10
9
Which ordered pair represents (fg)(2) on the graph of the combined function?
OA. (4,42)
OB. (2,9)
O C. (2,81)
OD. (4,81)
how are the pairs of figures alike? how are they different?
Answer: illustrates similarity of figures
Step-by-step explanation: more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal. This common ratio is called the scale factor.
The quantity 1.0 mg/cm2 is the same as 1.0 x ________ kg/m2.
A. 10-4
B. 102
C. 106
D. 10-2
E. 104
The quantity 1.0 mg/cm2 is the same as 1.0 x 10-4 kg/m2.
To convert from milligrams per square centimeter (mg/cm2) to kilograms per square meter (kg/m2), we need to use conversion factors to adjust the units. The given options represent different powers of 10 that can be used as conversion factors.
We know that 1 kilogram (kg) is equal to 1,000,000 milligrams (mg), and 1 meter (m) is equal to 100 centimeters (cm). Therefore, we can express the conversion factors as follows:
1 kg = 1,000,000 mg (1)
1 m2 = 10,000 cm2 (2)
To convert from mg/cm2 to kg/m2, we can combine these conversion factors:
1 mg/cm2 = (1 mg / 1 cm2) x (1 kg / 1,000,000 mg) x (10,000 cm2 / 1 m2)
Simplifying the expression, we have:
1 mg/cm2 = (1 / 1,000,000) kg/m2 = 1 x 10-6 kg/m2
Therefore, the quantity 1.0 mg/cm2 is the same as 1.0 x 10-6 kg/m2.
Among the given options, the value that matches the conversion is option A: 10-4
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pls help Jiya is renting a truck to move into her college dorm. The rental company charges $55 for the first hour and then $10 per hour after that. If it will take Jiya 7 hours to move, which explicit formula describes how much it will cost her to rent the truck?
a.a7=55+(7+1)10
b.a7=10+(7-1)55
c.a7=10+(7-1)7
d.a7=55+(7-1)10
Use an Explicit formula to calculate how much it will cost Jiya to rent the truck for 7 hours .The correct answer is option (d) a7=55+(7-1)10
The rental company charges $55 for the first hour and then $10 per hour after that, we can use an explicit formula to calculate how much it will cost Jiya to rent the truck for 7 hours.
The explicit formula for the total cost of renting the truck for a given number of hours can be written as:
a(n) = c + (n-1)d
where a(n) is the total cost of renting the truck for n hours, c is the cost of the first hour, and d is the additional cost per hour.
Using this formula, we can find the cost of renting the truck for 7 hours:
a(7) = 55 + (7-1)*10
Simplifying the expression in the parentheses, we get:
a(7) = 55 + 6*10
Multiplying 6 by 10, we get:
a(7) = 55 + 60
Adding 55 and 60, we get:
a(7) = 115
Therefore, the explicit formula that describes how much it will cost Jiya to rent the truck for 7 hours is:
a7=55+(7-1)10
Simplifying the expression, we get:
a7 = 55 + 6*10
a7 = 55 + 60
a7 = 115
Therefore, the correct answer is option (d) a7=55+(7-1)10.
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three fifth of work is done on the first day. On the second day three quarters of the remainder is completed,if on the third day seven eighth of what remained is done,what fraction of work still remains to be done?
Let's say the total work to be done is represented by 1.
On the first day, three-fifths of the work is completed. Therefore, the remaining work to be done is 1 - 3/5 = 2/5.
On the second day, three-quarters of the remainder is completed. The remainder after the first day's work is 2/5. So, the work completed on the second day is 3/4 x 2/5 = 3/10. The remaining work to be done is 2/5 - 3/10 = 1/5.
On the third day, seven-eighths of what remained is done. The remaining work to be done after the second day's work is 1/5. So, the work completed on the third day is 7/8 x 1/5 = 7/40.
Therefore, the fraction of work still remaining to be done is 1/5 - 7/40 = 8/40 - 7/40 = 1/40.
How do you calculate the rate of change of a periodic function
The rate of change of a periodic function is itself a periodic function. In the case of a sinusoidal wave, the derivative is also a sinusoidal wave with the same period, but shifted by a phase angle of [tex]π/2.[/tex]
The rate of change of a periodic function at a specific point is equal to the instantaneous slope of the tangent line to the graph of the function at that point.
To calculate the rate of change of a periodic function, you need to take the derivative of the function with respect to the independent variable (usually time). If the function is a sinusoidal wave, you can use trigonometric identities to find the derivative.
For example, let's say we have a function f(t) = sin(t), which represents a sinusoidal wave. To find the rate of change of the function at a particular point t = a, we need to take the derivative of the function with respect to t:
f'(t) = cos(t)
Then we can evaluate this derivative at t = a to find the rate of change at that point:
f'(a) = cos(a)
This tells us the instantaneous rate of change of the function at the point t = a.
Note that the rate of change of a periodic function is itself a periodic function. In the case of a sinusoidal wave, the derivative is also a sinusoidal wave with the same period, but shifted by a phase angle of [tex]π/2.[/tex]
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Un joven sale de la posición xo = 200Km a las 8 h y llega a la posición xf = 500Km a las 11 h. (fue en línea recta y con v = constante). Se pide:
a) Calcular con qué velocidad se movió.
b) Calcular la ecuación que determinar la posición del joven en función del tiempo.
c) Calcular la posición a las 9 h
Para calcular la velocidad del joven, Podemos utilizar la fórmula de la velocidad promedio Por lo tanto, la posición del joven a las 9 h es 1100 km.
a) Para calcular la velocidad del joven, podemos utilizar la fórmula de la velocidad promedio:
velocidad = distancia / tiempo
La distancia recorrida por el joven es xf - xo = 500 km - 200 km = 300 km, y el tiempo transcurrido es 11 h - 8 h = 3 h. Entonces, la velocidad del joven es:
velocidad = 300 km / 3 h = 100 km/h
Por lo tanto, el joven se movió a una velocidad constante de 100 km/h.
b) La ecuación que determina la posición del joven en función del tiempo puede ser expresada como:
x = xo + velocidad × tiempo
donde x es la posición del joven en un momento dado, xo es la posición inicial (xo = 200 km), velocidad es la velocidad constante a la que se mueve el joven, y tiempo es el tiempo transcurrido desde la posición inicial.
Sustituyendo los valores conocidos, obtenemos:
x = 200 km + 100 km/h × t
donde t es el tiempo en horas.
c) Para calcular la posición del joven a las 9 h, podemos utilizar la ecuación que determina la posición del joven en función del tiempo:
x = 200 km + 100 km/h × t
Sustituyendo t = 9 h, obtenemos:
x = 200 km + 100 km/h × 9 h = 1100 km
Por lo tanto, la posición del joven a las 9 h es 1100 km.
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Pls help, thankssssss
30 points
Answer:option c is the answer
Step-by-step explanation:
Which model represents the sum of 5/3 and 2/3?
The model that represents the sum of 5/3 and 2/3 is 7/3.
to find the sum of 5/3 and 2/3, we need to add the numerators (top numbers) together and keep the same denominator (bottom number). so, we have:
5/3 + 2/3 = (5+2)/3 = 7/3 to represent this visually, you could imagine a number line with 0 on the left and increasing values to the right. each whole number is divided into three equal parts. the model for 5/3 would be a point 5/3 of the way from 1 to 2, and the model for 2/3 would be a point 2/3 of the way from 0 to 1. to find the model for 7/3, we would locate the point 7/3 of the way from 2 to 3 on the number line.
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