Answer:
0.4375
Step-by-step explanation:
Look at the figure, . Find the length of . 36 m 42 m 106 m 78 m
the awnser is
4.0/5. 7. calculista
estimate the area under the graph of f(x) = 20 x from x = 0 to x = 4
To estimate the area under the graph of f(x) = 20x from x = 0 to x = 4, we can use the concept of numerical integration, specifically the trapezoidal rule.
The trapezoidal rule approximates the area under a curve by dividing the interval into small trapezoids and summing up their areas.
Here's how we can estimate the area using the trapezoidal rule:
Divide the interval [0, 4] into smaller subintervals. Let's say we divide it into n equal subintervals.Determine the width of each subinterval, which is Δx = (4 - 0) / n.Evaluate the function f(x) = 20x at the endpoints of each subinterval and calculate the area of each trapezoid.Sum up the areas of all the trapezoids to get the estimated area under the graph.Since we don't know the specific value of n, let's assume we divide the interval into 4 subintervals, resulting in Δx = (4 - 0) / 4 = 1.
Now, let's calculate the estimated area using the trapezoidal rule:
Area ≈ [(f(0) + f(1)) * Δx / 2] + [(f(1) + f(2)) * Δx / 2] + [(f(2) + f(3)) * Δx / 2] + [(f(3) + f(4)) * Δx / 2]
Substituting the values of f(x) = 20x:
Area ≈ [(20(0) + 20(1)) * 1 / 2] + [(20(1) + 20(2)) * 1 / 2] + [(20(2) + 20(3)) * 1 / 2] + [(20(3) + 20(4)) * 1 / 2]
= [(0 + 20) * 1 / 2] + [(20 + 40) * 1 / 2] + [(40 + 60) * 1 / 2] + [(60 + 80) * 1 / 2]
= [10] + [30] + [50] + [70]
= 160
Therefore, the estimated area under the graph of f(x) = 20x from x = 0 to x = 4 is approximately 160 square units.
For more questions like Integration click the link below:
brainly.com/question/30900582
#SPJ11
Subtract -2x^2+3x-9
from 8x^2+10x-10
Answer:
-6x^2 - 7x +1
Step-by-step explanation:
2x^2+3x-9 -(8x^2+10x-10)
3x^2+3x-9 -8x^2-10x+10
Combine like terms
-6x^2 - 7x +1
Find the equation of the plane passing P(1,2,1) and is orthogonal to the two planes: x-y-z-10 = 0, x-2y + z-2=0.
The equation of the plane passing P (1,2,1) and orthogonal to the two planes: x-y-z-10 = 0, x-2y + z-2=0 is -3x-2y-z+8=0.
Equation of plane passing through (x1,y1,z1) is given by
A(x-x1)+B(y-y1)+C(z-z1)=0
where, A, B, and C are direction ratios
In the question, it is given that the plane passes through (1,2,1)
So, the equation of the plane will be in the form,
A(x-1)+B(y-2)+C(z-1)=0
It is also given that the plane is perpendicular to give 2 planes.
So, their normal to the plane would be perpendicular to the normal of both planes.
So, the required normal is a cross-product of the normals of planes
x-y-z-10=0 and x-2y+z-2=0
i.e,
-3i-2j-k=0
so, the direction ratios,
A=-3, B=-2, C=-1
putting the direction ratios in the previous equation of the plane,
-3(x-1)-2(y-2)-1(z-1)=0
-3x+3-2y+4-z+1=0
-3x-2y-z+8=0
is the required equation of the plane
Learn more about the equation of the plane on
https://brainly.com/question/27190150?referrer=searchResults
#SPJ4
Jamica and her sister wants to know if they will be able to stand up inside their tent shown below.if each sister is over 5 feet tall, is their tent tall enough? Show your work and/or and or explain your reasoning
The tent with the assumed parameters is tall enough for the sisters to stand up inside.
Checking if the tent is tall enoughAssuming a reasonable height for a typical tent, which is around 6 feet, it should be tall enough for both sisters to stand up inside if they are both over 5 feet tall.
In this case, we can imagine the tent as a triangular prism, with the sloping sides forming a right triangle.
Let's call the height of the tent "h," the length of the base "b," and the length of the sloping side "s."
Using the Pythagorean theorem, we can write:
s^2 = h^2 + (b/2)^2
Since we know that each sister is over 5 feet tall, we can set h = 5 feet. We also know that the base of the tent is usually wider than it is tall, so we can assume a reasonable value for b, such as 8 feet.
Substituting these values into the equation above, we get:
s^2 = 5^2 + (8/2)^2
s^2 = 25 + 16
s^2 = 41
Taking the square root of both sides, we get:
s ≈ 6.4 feet
Since this is greater than the height of both sisters (which is 5 feet), we can conclude that the tent is tall enough for them to stand up inside.
Read more about pythagoras theorem at
https://brainly.com/question/654982
#SPJ1
PLEASE PLEASE PLEASE HELP!!
Answer:
I'm just doing this to get points
Simplify 5×a×5×a please
Answer:
25a^2
Step-by-step explanation:
Answer:
The answer is \(25a^2\)
Step-by-step explanation:
Hope this helped! Enjoy!
Correct me if I am wrong tho
What is the vertex of the parabola?
Y+1= -1/4 (x-2)2
Answer:
(2, -1)
Step-by-step explanation:
The given formula is y + 1 = -1/4 (x - 2)²
Vertex form of a parabola is y = a(x - h)² + k
To get the given formula in vertex form, subtract 1 from each side. The equation for the parabola becomes:
y = -1/4 (x - 2)² - 1
From this, we can take out (h, k), the vertex, and see that it is at (2, -1).
what is the area of the Shaded region using 3.14 ?.
Plz help!!!!
5. (a) A vehicle travels 240km in 4 hours. Find Its average speed in km/h.

(b) How far does it travel between 1pm and 5pm?
(c) How long does it take to travel 100km at the speed in (a) above
Answer:
a) 60 km
b) if it means 1 pm to 5 pm than answer will be 240 again
c)100/60
Which relation in the below table(s) represents a function?
The relation 2 represents a function.
In order to determine which relation in the below table represents a function, we need to first understand what a function is.A function is a relationship in which each input value corresponds to exactly one output value.
To put it another way, each x-value has one and only one y-value. The most typical method to determine whether a relation is a function is to use the vertical line test.
The vertical line test is a way to determine if a relation is a function graphically. To test if a graph is a function, we draw a vertical line through each x-value on the graph. If a vertical line crosses the graph more than once, it is not a function.
If, on the other hand, the graph passes the vertical line test and no vertical line crosses the graph more than once, it is a function.Now let's look at the table below to determine which relation is a function.
We will first plot the x and y values of each relation on a coordinate system and then apply the vertical line test to each relation.
Relation 1: x | y0 | 10 | 11 | 22 | 23 | 34 | 35 | 4Relation 1 does not represent a function since we can draw a vertical line through x = 3 and the line will cross the graph more than once.
Relation 2: x | y2 | 33 | 34 | 45 | 46 | 57 | 5Relation 2 represents a function since we can draw a vertical line through each x-value on the graph and it will only cross the graph once.
To learn more about : relation
https://brainly.com/question/30056459
#SPJ8
Find the quotient by counting the number of divisor fractions you placed in the dividend bar. 2/3 1/6 use fractions bars and the rules of dividing signed numbers to divide
Answer:
The answer is 4
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
The Spanish version of Michelle Obama's book,
Becoming, is 528 pages long. The number of pages in
the Spanish version of the book is 32% greater than the
number of pages in the English version. How many
pages are in the English version of Michelle Obama's
book?
suppose a continous random variable x can take on values over the set [0,a] and has a probability denisity function cx^n, x = E (0,a), where a= 3, n=2 , find C!
The value of C is 1/9 for the probability density function using integration.
We know that the probability density function (pdf) integrates to 1 over the interval [0, a]:
∫[0,a] cx^n dx = 1
Substituting the given values for n and a, we get:
∫[0,3] cx^2 dx = 1
Integrating with respect to x:
c ∫[0,3] x^2 dx = 1
c [x^3/3] from 0 to 3 = 1
c (3^3/3 - 0) = 1
c = 1/9
To know more about probability density function,
https://brainly.com/question/17005126
#SPJ11
solve the given differential equation. x^2y'' + 11xy' + 25y = 0
The general solution of the differential equation is:
y = Ax^-5 + Bx^-5ln(x)
where A and B are constants determined by the initial or boundary conditions.
To solve the differential equation x^2y'' + 11xy' + 25y = 0, we can assume the solution to be of the form y = x^r, where r is a constant.
Then, we have:
y' = rx^(r-1)
y'' = r(r-1)x^(r-2)
Substituting these into the differential equation, we get:
x^2y'' + 11xy' + 25y = x^2r(r-1)x^(r-2) + 11xrx^(r-1) + 25x^r = 0
Dividing both sides by x^2, we have:
r(r-1) + 11r + 25 = 0
Simplifying, we get:
r^2 + 10r + 25 = (r+5)^2 = 0
Therefore, r = -5.
Thus, the general solution of the differential equation is:
y = Ax^-5 + Bx^-5ln(x)
where A and B are constants determined by the initial or boundary conditions.
Learn more about equation here:
https://brainly.com/question/31433890
#SPJ11
I HAVE LESS THEN 10 MINUTES
it’s for geometry
please help:(
Answer:same brooo and nobody is helping me :’(Step-by-step explanation:
Answer:
y = 3x + 12
Step-by-step explanation:
For the equation of the perpendicular bisector we have to first find the midpoint of the two end points.
\(M(x,y)=(\frac{4+(-8)}{2},\frac{4+8}{2})\\\\M(x,y)=(-2,6)\)
Now we need to find the slope of the line .
\(m=\frac{y_2-y_1}{x_2-x_1}\\\\m= \frac{8-4}{-8-4}\\\\m=\frac{4}{-12} \\\\m=-1/3\)
Now the slope of the perpendicular line is,
\(m_1m_2=-1\\\\-\frac{1}{3}m_2=-1\\\\m_2=3\)
Now to find the equation of line , we use Point-slope form:
\(y-y_1=m(x-x_1)\\y-6=3(x-(-2))\\y-6-3(x+2)\\y-6=3x+6\\y=3x+12\)
1
c) Gopal receives 2—% commission on monthly sales over Rs 2,50,000. How much
2
Answer:
Step-by-step explanation:
Commission = 2% of 2,50,000
\(= \frac{2}{100}*250000\\\\= 2 * 2500\\\)
= Rs. 5000
Please plz help angles inside circles. and segments
Answer:
the third one
Step-by-step explanation:
Answer:
The 3rd
Step-by-step explanation:
slove 3/4(5x-3)+8=17. Show your work
3/4 = 12/x. Solve for x.
Answer:
x=16
Step-by-step explanation:
3*4=12
4*4=16
In the diagram below, AB is parallel to CD. What is the value of y?
Answer:
b. 30
Step-by-step explanation:
Answer:
The ans is 30 .
Step-by-step explanation:
y + 150= 180 ( being co-interior angle)
y = 180-150
y= 30
The second side of a triangular deck is 5 feet longer than the shortest side, and the third side is 5 feet shorter than twice the length of the shortest side. If the perimeter of the deck is 56 feet, what are the lengths of the three sides?
The lengths of the three sides are 14 feet, 19 feet and 23 feet respectively.
How to determine the length of the sidesThe formula for determining the perimeter of a triangle is expressed as;
Perimeter = a + b + c
Where; a, b and c are the length of the sides
From the information given, we have that;
y = 5 + zx = 2z - 5Perimeter = 5656 = 2z- 5 + 5 + z + z
collect like terms
56 = 4z
Make 'z' the subject of formula
z = 56/4
z = 14
Shortest side, z = 14 feet
Second side, y = 5 + z = 19 feet
Third side, x = 2z - 5 = 2(14) - 5 = 23 feet
Hence, the values are 14 feet, 19 feet and 23 feet respectively.
Learn more about triangles here:
https://brainly.com/question/14285697
#SPJ1
For the in parts A through E, choose the highest level of measurement (or cannot be determine).
A. Temperature of refrigerators ---
Nominal
Ratio
Cannot determine
Interval
Ordinal
B. Horsepower of race car engines ---
Ordinal
Interval
Nominal
Cannot determine
Ratio
C. Marital status of school board members ---
Interval
Nominal
Ordinal
Cannot determine
Ratio
D. Ratings of televisions programs (poor, fair, good, excellent) ---
Ordinal
nominal
Interval
Cannot determine
Ratio
E. Ages of children enrolled in a daycare
Ordinal
nominal
Interval
Cannot determine
Ratio
Temperature of refrigerators - Cannot determine. Horsepower of race car engines - Ratio. Marital status of school board members - Nominal. Ratings of television programs - Ordinal. Ages of children enrolled in a daycare - Interval
The level of measurement for the temperature of refrigerators cannot be determined based on the given information. The temperature could potentially be measured on a nominal scale if the refrigerators were categorized into different temperature ranges. However, without further context, it is not possible to determine the specific level of measurement.
The horsepower of race car engines can be measured on a ratio scale. Ratio scales have a meaningful zero point and allow for meaningful comparisons of values, such as determining that one engine has twice the horsepower of another.
The marital status of school board members can be measured on a nominal scale. Nominal scales are used for categorical data without any inherent order or ranking. Marital status categories, such as "married," "single," "divorced," etc., can be assigned to school board members.
The ratings of television programs, such as "poor," "fair," "good," and "excellent," can be measured on an ordinal scale. Ordinal scales represent data with ordered categories or ranks, but the differences between categories may not be equal or measurable.
The ages of children enrolled in a daycare can be measured on an interval scale. Interval scales have equal intervals between values, allowing for meaningful differences and comparisons. Age, measured in years or months, can be represented on an interval scale.
Learn more about nominal scale visit:
brainly.com/question/28465126
#SPJ11
Farrah has a piece of paper that is 8inches long and 11 inches wide. She cuts a semicircle with a radius of 4 inches out of the piece of paper. What is the area of the piece of paper she has left after the cut to the nearest hundredth? Use for
Answer:
62.87in^2
Step-by-step explanation:
area=88in^2
semicircle area=25.13in^2
88-25.13=62.87
area=62.87in^2
A cylinder has a radius of 4 centimeters and a height of 5 centimeters.
What is the volume of the cylinder when its radius is tripled?
When the cylinder's radius is quadrupled, its capacity is 360 cm3.. The new radius is 12 cm and the height is still 5 cm.
The volume of a cylinder is calculated by multiplying the area of its base (πr²) by its height (h). When the radius of the cylinder is tripled, the new radius would be 12 cm and the height would still be 5 cm. Therefore, the new volume of the cylinder is calculated by multiplying the area of its base (π x (12 cm)²) by its height (5 cm). This results in 360π cm³. To calculate this in a more simplified form, 120π cm³ (which is the original volume) can be multiplied by 3, since the radius is tripled. The result of this multiplication will be the same as 360π cm³. This demonstrates that the volume of the cylinder when its radius is tripled is 360π cm³.
Learn more about radius here
https://brainly.com/question/15047456
#SPJ1
why can it be difficult to interpret a correlation between two variables?
Interpreting a correlation requires careful consideration of factors such as causation, confounding variables, nonlinearity, outliers, and sample characteristics.
Interpreting a correlation between two variables can be difficult for several reasons:
Causation vs. correlation: Correlation measures the strength and direction of the relationship between two variables but does not imply causation. Just because two variables are correlated does not mean that one variable causes the other. It is essential to avoid making causal claims based solely on correlation.
Confounding variables: Correlations can be influenced by the presence of confounding variables that affect both variables being studied. Without accounting for these confounding factors, it can be challenging to determine the true nature of the relationship between the variables of interest.
Nonlinear relationships: Correlation coefficients, such as Pearson's correlation coefficient, measure linear relationships between variables. If the relationship is nonlinear, the correlation may not accurately capture the association. It is crucial to consider other types of analysis or transformations to capture more complex relationships.
Outliers and influential observations: Extreme values or outliers in the data can have a significant impact on correlation coefficients. These outliers may distort the correlation and lead to incorrect interpretations. It is important to examine the data for influential observations that may unduly influence the correlation results.
Sample size and representativeness: The size and representativeness of the sample can affect the reliability and generalizability of correlation results. Small or biased samples may not provide a representative picture of the population, leading to misleading interpretations.
Overall, it is important to use correlations as part of a broader analysis and consider additional evidence before drawing definitive conclusions about the relationship between variables.
Learn more about variables at: brainly.com/question/15078630
#SPJ11
Select the correct answer.
Which graph is the graph of f(x) = 3 log2 (x +1)?
The graph of the equation of function f (x) = 3 log₂ (x + 1) is shown in figure.
What is mean by Function?A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Given that;
The equation of function is,
⇒ f (x) = 3 log₂ (x + 1)
Now, By using tool we can draw the graph of the equation of function
f (x) = 3 log₂ (x + 1) as shown in figure.
Thus, The graph of the equation of function f (x) = 3 log₂ (x + 1) is shown in figure.
Learn more about the function visit:
https://brainly.com/question/28793267
#SPJ1
Evaluate (2-3)^(4) - 9/3.
-7
-2
1
2
Answer:
-2
Step-by-step explanation:
First evaluate inside parentheses
(-1)^4 -9/3
Then do the exponentiation
1 -9/3
Now the division
1 -3
Finally, the sum
-2
Answer:
the answer to this question is 1
Estimate 258 +631 Round each addend to the nearest hundred. Then find the sum of the rounded numbers.
Answer:
900
Step-by-step explanation:
since 258 is over half of 250, the number will end up 300. 631 falls behind on being half so it'll be only 600. 300+600=900
A credit company allocates 8-digit account numbers such as 1122-3421 where the digits 1 through 9 are used. How many different account numbers can there be? O A. 43,046,721
OB. 40,320 OC. 220,345 OD. 13,440
The number of different account numbers that can be allocated by the credit company is 43,046,721.
To determine the number of different account numbers that can be allocated, we need to consider the number of possibilities for each digit in the 8-digit account number. Since the digits 1 through 9 are used, there are 9 options for each digit.
For the first digit, any of the 9 digits can be chosen. Similarly, for the second digit, any of the 9 digits can be chosen. This pattern continues for each of the 8 digits.
To calculate the total number of different account numbers, we multiply the number of possibilities for each digit together: 9 * 9 * 9 * 9 * 9 * 9 * 9 * 9 = 43,046,721.
Therefore, the correct answer is option A: 43,046,721, representing the number of different account numbers that can be allocated.
Learn more about Accounts here: brainly.com/question/5640110
#SPJ11