Answer:
16
Please mark as brainliest;)
is two displacement vectors add to give a total displace,ment of 0 what do you know about the two diplacemenst
The two vectors are equal in magnitude and opposite in direction. This means that they cancel each other out, resulting in a net displacement of 0.
If the total displacement of two vectors is 0, it means that the final position of an object after being displaced by the two vectors is the same as its initial position. This can happen in a few ways:
The two vectors are equal in magnitude and opposite in direction. This means that they cancel each other out, resulting in a net displacement of 0.
The two vectors are parallel but pointing in opposite directions. This means that the object is displaced in one direction and then back again, resulting in a net displacement of 0.
The two vectors are perpendicular and the magnitude of each vector is the same. This means that the object is displaced in one direction and then back again in the perpendicular direction, resulting in a net displacement of 0.
Therefore, In all cases, it can be inferred that the two vectors are in some way related to each other in terms of direction and magnitude.
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A computer generates 90 integers from 1 to 5 at random. The results are recorded in the table.
What is the experimental probability of the computer generating a 1?
Responses:
10%
20%
30%
40%
Outcome
1
2
3
4
5
Number of times outcome occurred
36
11
13
12
18
The experimental probability of the computer generating a 1 is D. 40 %.
How to find the experimental probability ?First, add up the outcomes to see the total number of times the integers were generated ;
= 36 + 11 + 13 + 12 + 18
= 90
The number of times 1 was generated was 36.
The experimental probability is therefore;
= number of times 1 was generated / total number of outcomes
= 36 / 90
= 0. 4
= 40 %
Therefore, the experimental probability of the computer generating a 1 is 40 %.
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Find the measures of the missing angles
Help pleaseee
Answer:
Nwm miałem to dawno powodzenia
the graph of y=3x^4-16x^3+24x^2+48 is concave down for
The graph of y=3x^4-16x^3+24x^2+48 is concave down for x values greater than or equal to 0.
The graph of y=3x^4-16x^3+24x^2+48 is an example of a polynomial function. To determine the concavity of a polynomial function, we must first identify the intervals where the function is increasing and decreasing. In this case, the function is increasing for all x values greater than or equal to 0.
Next, we must find the second derivative and determine the intervals where the second derivative is negative. If the second derivative is negative, then the graph is concave down. For this polynomial, the second derivative is y'' = -48x + 48, which is negative for all x values greater than or equal to 0. This means that the graph of y=3x^4-16x^3+24x^2+48 is concave down for all x values greater than or equal to 0.
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Someone help me with both I will give u 5 points
What’s The Answer Of This? PLEASE HELP
Answer: 68 degrees
Step-by-step explanation:
What is the value of x? (7+x)=(3x+1)3
Answer:
x = 1/2
Step-by-step explanation:
7 + x = 3*3x + 3*1
7 + x = 9x + 3
8x = 4
x = 1/2
The following linear programming model formulation is given: Objective function: MinZ=8X1+6X2 Subject to: 2X1+4X2≥83X1+2X2≥6X1;X2≥0 You are required to: a. Rewrite the formulation above in the standard form by adding the required variables to replace the inequalities. (4) b. Find a solution for the above formulation utilizing the linear programming simplex method. (21)
a. The standard form of the given linear programming model is as follows:
Objective function: Min Z = 8X1 + 6X2 + 0S1 + 0S2
Subject to:
2X1 + 4X2 - S1 = 8
3X1 + 2X2 - S2 = 6
X1, X2, S1, S2 ≥ 0
b. Using the linear programming simplex method to solve the standard form:
Initial tableau:
```
BV | X1 X2 S1 S2 RHS
-------------------------------------
Z | 8 6 0 0 0
-------------------------------------
S1 | 2 4 -1 0 8
-------------------------------------
S2 | 3 2 0 -1 6
```
Entering variable: X1 (column with the most negative coefficient in the Z row).
Leaving variable: S1 (minimum ratio of the RHS to the coefficient in the X1 column).
Pivot operation: Divide the S1 row by 2.
```
BV | X1 X2 S1 S2 RHS
-------------------------------------
Z | 2 6 0 0 16
-------------------------------------
S1 | 1 2 -0.5 0 4
-------------------------------------
S2 | 1.5 2 0.5 -1 2
```
Entering variable: X2 (column with the most negative coefficient in the Z row).
Leaving variable: S2 (minimum ratio of the RHS to the coefficient in the X2 column).
Pivot operation: Divide the S2 row by 2.
```
BV | X1 X2 S1 S2 RHS
-------------------------------------
Z | 0 5 1 0 18
-------------------------------------
S1 | 1 0 -1 1 2
-------------------------------------
X2 | 0.75 1 0.25 -0.5 1
```
No more negative coefficients in the Z row. Optimal solution found.Solution: X1 = 2, X2 = 0.75, Z = 18. The optimal solution for the given linear programming model is X1 = 2, X2 = 0.75, with the minimum objective value Z = 18.
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a- What are the different logs used to obtain porosity? Explain the principles of measurement, quantity measured and its relation to porosity. Illustrate with equations and/or sketches.
Different logs measure different physical properties of the formation that are related to porosity, and the relationship between the log measurement and porosity can be expressed through equations.
The different logs used to obtain porosity and their principles of measurement, quantities measured, and relation to porosity.
There are three main types of logs used to obtain porosity: neutron logs, density logs, and sonic logs.
Neutron logs: These logs measure the hydrogen content in a formation, which is directly related to porosity. The tool emits neutrons that interact with hydrogen atoms, and the resulting gamma rays are measured. The count rate decreases with increasing porosity. The neutron log can be expressed as:
Porosity = (neutron log reading - matrix reading) / (fluid reading - matrix reading)
Density logs: Density logs measure the bulk density of a formation, which can be related to porosity. The tool emits gamma rays that interact with the formation, and the scattered gamma rays are measured. The bulk density decreases with increasing porosity. The density log can be expressed as:
Porosity = (matrix density - bulk density) / (matrix density - fluid density)
Sonic logs: Sonic logs measure the travel time of sound waves through a formation, which can be related to porosity. The tool sends an acoustic wave and measures the time it takes to travel a specific distance. The travel time increases with increasing porosity. The sonic log can be expressed using Wyllie's time-average equation:
Porosity = (sonic log reading - matrix reading) / (fluid reading - matrix reading)
In summary, neutron logs measure hydrogen content, density logs measure bulk density, and sonic logs measure travel time of sound waves. These measurements can be used to calculate porosity using the respective equations provided.
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What is the value of X?
A: 5
B:8
C:7
D:4
numbers like 2%, 3%, 4% and 6% are often used to represent the grade of a road. such a number tells how steep a road is. 3% grade means that for every horizontal distance of 100 ft, the road rises or descends 3 feet. in each of the following cases, find the road grade to two decimal places.
(a) Grade = 2.86%
(b) Grade = 5.85%
What is the horizontal distance?The projectile's horizontal range is the distance it travels while in flight. Since there is no acceleration in the horizontal direction, the greatest distance traveled in the horizontal direction is what this definition means.Vertical distance is the distance following the direction of gravity, and horizontal distance is the distance along the ground surface. The distance between a building and the observer is an example of a horizontal distance, and the building's height is an example of a vertical distance.Anything that forms a 90-degree angle (right angle) with the horizontal or the horizon is referred to as vertical because it is the opposite of the horizontal. The line that spans from left to right is therefore considered horizontal.By the angle's tangent, multiply the object's height. Let's assume, for the purposes of this illustration, that the item is 150 feet tall. The product of 150 and 1.732 is 86.603. 86.603 feet separate you from the thing horizontally.Find the road grade to two decimal places:
Grade in terms of percentage = (rise/run) * 100%
(a) Grade = (40/1400) * 100% = 2.86%
(b) Grade = 5.85%
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16:14:34
n
Which equation represents a line that passes through (2, - 1/2) and has a slope of 3?
A. y-2 = 3(x + 1/2)
B. y-3 = 2(x + 1/2)
C. y+1/2 = 3(x - 2)
D. y+ 1/2 = 2(x – 3)
Answer:
C
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Here m = 3 and (a, b) = (2, - \(\frac{1}{2}\) ) , thus
y - (- \(\frac{1}{2}\) ) = 3(x - 2) , that is
y + \(\frac{1}{2}\) = 3(x - 2) → C
Answer:
y+1/2=3(x-2)
Step-by-step explanation:
Equation of a straight line is given by;, y-y,=gradient (x-x,) data, y,=-1/2 x=2 and gradient =3. y-(-1/2)=3(x-2). y+1/2=3(x-2) you
a sample of student opinion at a big ten university selects an srs of 200 of the 30,000 undergraduate students and a separate srs of 100 of the 5,000 graduate students. what is the term for this kind of sample?
The term for this kind of sample is cluster sampling
Given
that, At a major ten university, 200 of the 30,000 undergraduate students and 100 of the 5,000 graduate students are chosen to represent a sample of student opinion.
What is cluster sampling ?
Cluster sampling involves breaking up a population into smaller units called clusters. Then, they randomly select a sample from each of these clusters. Cluster sampling is a probability sampling technique that is frequently used to examine large populations, especially those that are widely geographically dispersed.
Researchers frequently refer to pre-existing groups like cities or schools when referring to clusters. With an SRS of 200 students and an SRS score of 100, clusters have been utilized in this instance. Cluster sampling is the name given to this type of sample as a result.
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someone help me with this
Answer:
For the left one, it is 11/4
For the right one 7 1/3
Step-by-step explanation:
Left one explanation: multiply 2 by 4 which is 8 add 8 to 3 which is 11 and the denominator stays the same which is 11/4
Right one simplify multiply 2 and 5 which is 10 result- 4 10/3 = 7 1/3
Graph the system, and find the solution: y = 2x - 1 and y = -1/3x +3, HELP PLEASE, I HAVE A TEST ON THIS TOMORROW ILL GIVE YOU BRAINLIEST
The solution to the system of equations y = 2x - 1 and y = -1/3x + 3 is given as follows:
(1.714, 2.429).
How to obtain the solution to the system of equations?The system of equations for this problem is defined as follows:
y = 2x - 1 y = -1/3x + 3.We want to obtain the graphic solution for the system of equations, hence we obtain the point of intersection of the two equations.
We want to obtain the graphic solution for the system of equations, hence we obtain the point of intersection of the two equations.
(1.714, 2.429).
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If (89)p = 818, what is the value of p?
Answer:
sorry if this is wrong but i think its 9 17/89
Suki has placed $800 in an account that pays 4 percent interest compounded quarterly. at the end of two years (eight quarters), the balance in the account will be $ 0.08 . that means suki will have earned $ in interest during that time. (round your answers to the nearest cent.) what will be the balance in the account at the end of two years (eight quarters)? how much interest will suki have earned during that time? (round your answers to the nearest cent.)
The balance in the account at the end of two years is $864.
The interest earned by Suki during that time is $64.
The initial principal amount "P" is $800.
The interest rate "R" is 4%.
The interest is compounded quarterly.
This means the value of "n" is 4.
The time period for which the interest is earned is 2 years.
The formula for compound interest is :
A = P*[1 + (R/n)]^(n*t)
A = 800*[1 + (0.04/4)]^(4*2)
A = 800*[1 + 0.01]^(4*2)
A = 800*[1.01]^(8)
A = 800*1.08
A = 864
The total interest earned is the final amount minus the principal amount.
The total interest earned is $864 - $800.
The total interest earned is $64.
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Decide whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain your reasoning.The distribution of grades was left-skewed, but the mean, median, and mode were all the same.A.This does not make sense because the mean and median should lie somewhere to the right of the mode if the distribution is left-skewed.B.This makes sense because when outliers have low values, the mean, median, and mode are the same.C.This does not make sense because the mean and median should lie somewhere to the left of the mode if the distribution is left-skewed.D.This makes sense because when outliers have high values, the mean, median, and mode are the same.
The statement "This does not make sense because the mean and median should lie somewhere to the right of the mode if the distribution is left-skewed" is correct. The correct answer is B
In a left-skewed distribution, the mode is the highest point and it is located to the right of the median, which in turn is located to the right of the mean.
This is because the mean is influenced by extreme values on the left tail, which pull it to the left, whereas the median is unaffected by extreme values and is only determined by the middle value(s) in the data set.
Thus, if the mean, median, and mode are all the same in a left-skewed distribution, this indicates that the data set is either symmetric or approximately symmetric.The correct answer is B
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What is the answer to this one i don’t know it
Answer:
-4.7 times 10⁴
Step-by-step explanation:
Check what numbers match: 5.1 times 10⁸ - 9.8 times 10⁴
Subtract and get: -4.7 times 10⁴
Simply put, you subtract the 5.1 and 9.8 like normal and subtract the exponents from the 10⁸ and 10⁴ since they have the same base.
I hope this helps!
An animal pen is in the shape of a regular heptagon. What is the measure of each interior angle of the animal pen? round to the nearest tenth.
The required measurement of each interior angle of the animal pen
What is interior angle?An interior angle is a point inside a shape. The polygons are the shut shape that has sides and vertices. A standard polygon has generally its interior angle equivalent to one another. For instance, a square has generally its interior angle equivalent to the right point or 90 degrees.
According to question:The question expects us to track down the inside point of a customary heptagon.
To do this initially compute the outside angle of that polygon.
The amount of outside angle is 360°. A heptagon has 7 sides.
Along these lines, one exterior angle = 360°/7 = 51.4°
inside angle+exterior angle=180°
Interior angle = 180-51.4 = 128.6°
Thus, required interior angle is 128.6°.
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What are the zeros of the function f(x) = x2 8x 4, expressed in simplest radical form?
The zeroes of the function f(x) = x² + 8x + 4 is calculated by shri dharachaya formula negative 0.54 and negative 7.46.
What is a function?The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.
The function f(x) = x² + 8x + 4
The zeroes of the function will be given as
f(x) = 0
Then we have
x² + 8x + 4 = 0
a = 1, b = 8, c = 4
By the formula
\(\rm x = \dfrac{-b \pm \sqrt{b^2 - 4ac }}{2a}\)
Then
\(\rm x = \dfrac{-8 \pm \sqrt{8^2 - 4 * 1 *4}}{2*1}\\\\x = \dfrac{-8 \pm \sqrt{64 - 16}}{2}\\\\x = \dfrac{-8 \pm 4 \sqrt{3}}{2}\\\\x = -4 \pm 2\sqrt3\\\\x = -0.54, -7.46\)
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Answer:
x= -4 +/- 2 \(\sqrt{3}\)
Step-by-step explanation:
Help pls with question
Answer:
Yes it is congruent
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
I did the test
Hope this helps :)
l
Use the graph for Exercises 1-3.
1. Quadrilateral J is reflected across the x-axis.
What is the image of the reflection?
2. Which two quadrilaterals are reflections of each
other across the y-axis?
3. How are quadrilaterals Hand J related?
Draw the image of the figure after each reflection
Answer:
explain why a mission statement should not include monetary amount numbers percentages ratios or objectives
4(x-5); 32-20
Find the value of x that makes the expressions equivalent.
The value of x that makes the expressions equivalent is 8
What is the solution to an equation?
In order to make the equation's equality true, the unknown variables must be given values as a solution. In other words, the definition of a solution is a value or set of values (one for each unknown) that, when used as a replacement for the unknowns, transforms the equation into equality.
4(x-5)= 32-20
Distribute the 4
4x-20=12
4x= 12+20 = 32
x= 32/4 = 8
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STAY UP LATE TONIGHT!!!
MARS WILL BE VISIBLE FROM EARTH!!!
IT WON'T BE LIKE THIS AGAIN, UNTIL 15 YEARS!!!
Answer:
You sure this true
Step-by-step explanation:
How you know
Answer:
OOOOOOOO THANK YOU!!!!!!
What is the slope of the line that passes through the points (-9, 5)(−9,5) and (-17, 5) ?(−17,5)? Write your answer in simplest form.
Answer:
0
Step-by-step explanation:
The slope is the difference in y values / difference in x values of the points.
For (-9, 5), and (-17, 5) slope is zero because the y-coordinates are the same.
m= (5-5)/ (-17- -9) = 0/ 8 = 0
The line has the slope 0 so is a horizontal line
what equation do you get when you solve 2x+3y=12 for y? (show the process)
Answer:
Step-by-step explanation:
2x+3y=12
÷2. ÷2
X+3y= 6
÷3. ÷3
X+y= 2
WORTH 67 PTS!! I WILL GIVE BRAIBLIEST!
Write an expression that is equivalent to
3/4a + 2/3 - 1/2a - 1/3 + 1/2a
3/4a + 2/3 - 1/2a - 1/3 + 1/2a
= _a + _
Answer:
7/4a + 1/3
1 3/4a + 1/3
Step-by-step explanation:
Answer:
1 3/4AN + 1/3
Step-by-step explanation:
what is 482.073 in a word
Answer:
Answer at the bottom
Step-by-step explanation:
The answer is Fourhundred eighty two point seventythree thousandths.
Hope this helps!!
√(2+4)²-(-6+ (-4) ²