The table shows the gallons of fuel remaining after a car
travels a certain distance in miles
Distance
(miles)
Fuel Remaining
(gallons)
The change in fuel remaining from one row to the next
in the table is gallon(s)
The change in distance from one row to the next in the
table is
mile(s)
The slope of the line that runs through the points given
in the table is
The slope indicates a
13. 50
13. 46
13. 42
3
13. 38
13. 34
5
13. 30
The slope shows a change in the amount of fuel left in each mile. Since the slope is -0.04, the amount of fuel left drops by 0.04 gallons each mile
what is slope ?The slope of a line governs its steepness. Using mathematics, the gradient is expressed as "gradient overflow" (the change in y divided by the change in x). The slope is the ratio of the vertical (rise) to the horizontal (run) change in distance between any two sites. Every time the equation for a straight line is written as y = mx + b, the slope-intercept representation of the equation is utilized. At the location of the y-intercept, the line has a slope of m, b, and c. (0, b). As an example, the y-intercept of the equation y = 3x - 7 has a value of 3. (0, 7).
given
It is evident that with each additional row, the distance is increased by one mile and the fuel level is altered.
From one row to the next in the table, the amount of fuel left changes by -0.04 gallons.
The distance in the table that changes from one row to the next is 1 mile.
The slope is the pace at which the amount of fuel left changes in relation to the change in distance.
The line that passes through the places listed in the table has a slope of -0.04 degrees.
The slope shows a change in the amount of fuel left in each mile. Since the slope is -0.04, the amount of fuel left drops by 0.04 gallons each mile.
To know more about slope visit:
https://brainly.com/question/3605446
#SPJ4
the most important thing to notice about a table of q-sort correlates is the a. smallest correlation. b. exact value of the correlations. c. wording of specific items. d. general patterns that emerge.
The most important thing to notice about a table of q-sort correlates is d. general patterns that emerge.
Q-sorting is a method of ranking items in order of preference or importance, and Q-sort correlates are used to identify relationships between the ranked items. The correlations in the table represent how strongly the items are associated with each other based on their rankings.
While the exact value of the correlations is important for statistical analysis, the most valuable information in a table of q-sort correlates is the general patterns that emerge. These patterns can help to identify groups of items that are closely related to each other, as well as those that are more distantly related.
Understanding the wording of specific items may also be important, as it can impact how the items are ranked and how they relate to each other. However, the primary focus of a table of q-sort correlates is on the relationships between the items, rather than the items themselves.
For more details about information click here:
https://brainly.com/question/13629038#
#SPJ11
pls help! will give brainlist!
Which function is represented by this graph?
A. y = - x - 1
B. y = x + 1
C. y = x
D. y = - x
Answer:-x
Step-by-step explanation:
Because the graph is going left to right downward you know your x has to be negative. It passes through (0,0) meaning there is no y intercept because the y intercept is 0. Therefore the answer is D, y=-x
The label on a car's antifreeze container claims to protect the car at temperatures greater than −30°C and less than 130°C. To convert Celsius temperature to Fahrenheit temperature, the formula is C equals five ninths times the quantity F minus thirty two.. Write a compound inequality to determine the Fahrenheit temperature range at which the antifreeze protects the car.
Negative thirty is greater than five ninths times the quantity F minus thirty two is greater than one hundred thirty.
Negative thirty is less than five ninths times the quantity F minus thirty two is less than one hundred thirty.
Negative thirty is less than five ninths times the quantity F minus thirty two.
Five ninths times the quantity F minus thirty two is less than one hundred thirty.
The compound inequality to determine the Fahrenheit temperature range at which the antifreeze protects the car is:
-22 < F < 266
How to write a compound inequality ?
To write a compound inequality to determine the Fahrenheit temperature range at which the antifreeze protects the car, we can use the given information and the formula to convert Celsius to Fahrenheit.
We are told that the antifreeze protects the car at temperatures greater than −30°C and less than 130°C. Using the formula C = (5/9) * (F - 32) to convert these temperatures to Fahrenheit, we get:
-30°C = (5/9) * (F - 32)
130°C = (5/9) * (F - 32)
Simplifying these equations, we get:
F - 32 = (-9/5) * 30
F - 32 = (9/5) * 130
Solving for F in each equation, we get:
F = (-9/5) * 30 + 32
F = (9/5) * 130 + 32
Simplifying, we get:
F > -22
F < 266
Therefore, the compound inequality to determine the Fahrenheit temperature range at which the antifreeze protects the car is:
-22 < F < 266
Learn more about Fahrenheit here : brainly.com/question/30402765
#SPJ1
A fruit basket is filled with 888 bananas, 333 oranges, 555 apples, and 666 kiwis.For every 3 kiwis, there are 4_
Answer:
I think it's bananas
Step-by-step explanation:
Jacob has 7 marbles. Darren has 17 marbles.
How many more marbles does Darren have
than Jacob?
Which of the following are not the property of the correlation coefficient, r, calculated from a bivariate data set (X1.91)....(Xn-Yn)? O a Adding a constant to each value of a variable will not changes the correlation. Ob -1 0 for a least-squares line with positive slope. O d. r is close to 1 for a strong linear relationship between x and y, and close to -1 for a weak relationship
Option a: Adding a constant to each value of a variable will not change the correlation. This is a property of the correlation coefficient, r. In fact, the correlation coefficient only measures the strength and direction of the linear relationship between two variables, and is not affected by any linear transformation, such as adding or subtracting a constant to eachvalue of a variable. Therefore, option a is a property of the correlation coefficient.
Option b: -1 ≤ r ≤ 1 for a least-squares line with positive slope. This is also a property of the correlation coefficient. The correlation coefficient, r, always takes values between -1 and 1, where -1 indicates a perfect negative linear relationship, 0 indicates no linear relationship, and 1 indicates a perfect positive linear relationship. When a least-squares line has a positive slope, it means that the variables have a positive linear relationship, and therefore, the correlation coefficient should be positive and between 0 and 1. Therefore, option b is also a property of the correlation coefficient.
Option d: r is close to 1 for a strong linear relationship between x and y, and close to -1 for a weak relationship. This is not a property of the correlation coefficient. While it is true that r takes values between -1 and 1, and that values close to 1 indicate a strong linear relationship, and values close to -1 indicate a weak relationship, this is not a fixed property of the correlation coefficient. The strength of the linear relationship depends on the data set and the context of the problem. For instance, a correlation coefficient of 0.8 could be considered strong in some cases, but weak in others. Therefore, option d is not a property of the correlation coefficient.
To know more about correlation coefficient visit:-
https://brainly.com/question/29978658
#SPJ11
Solve: s = 2 s = 7 s = 2 or s = 7 no real solution.
s = 7 is the only solution of the equation.
We have to give that,
An expression to simplify,
\(s = 4 + \sqrt{s + 2}\)
Now, Simplify the expression as,
\(s = 4 + \sqrt{s + 2}\)
Subtract 4 on both sides,
\(s - 4 = \sqrt{s + 2}\)
Taking square root on both sides,
\((s - 4)^2 = s + 2\)
\(s^2 + 16 - 8s = s + 2\)
Combine like terms,
\(s^2 - 9s + 14 = 0\)
Apply factorization method,
\(s^2- 7s - 2s + 14 = 0\)
\(s (s - 7) - 2 (s - 7) = 0\)
\((s - 7) (s - 2) = 0\)
This gives two solutions,
\(s - 7 = 0\)
\(s = 7\)
And,
\(s - 2 = 0\)
\(s = 2\)
Put s = 7 in the above equation,
\(s = 4 + \sqrt{s+ 2}\)
\(7 = 4 + \sqrt{7+ 2}\)
\(7 = 4 + \sqrt{9}\)
\(7 = 4 + 3\)
\(7 = 7\)
Hence, 7 is the solution of the equation.
Put s = 2;
\(s = 4 + \sqrt{s+ 2}\)
\(2 = 4 + \sqrt{2+ 2}\)
\(2 = 4 + \sqrt{4}\)
\(2 = 4 + 2\)
\(2 = 6\)
Which is not possible.
Therefore, s = 7 is only the solution.
To learn more about the equation visit:
brainly.com/question/28871326
#SPJ12
xy-8 for x=3 and y = 5
Answer:
I hope this will help you
3*5-8
=15-8
=7
A school library had 66,500 books. 8,947 books were issued to the students
And 4033 books for the teachers. How many books are still in the library?
Answer:
53520
Step-by-step explanation:
Books left =total books -books included student
books left =66500-8947-4033
i.e.53580
Josiah claims that the ordered pair (6,-10) can be replaced with any ordered pair and the set will still represent a function. Select all ordered pairs that could be used to show that this claim is incorrect
Complete Question:
{(–9, 1), (–5, 2), (0, 7), (1, 3), (6, –10)} Josiah claims that the ordered pair (6, –10) can be replaced with any ordered pair and the set will still represent a function. Select all ordered pairs that could be used to show that this claim is incorrect.
A. (–10, –10)
B. (–9, –6)
C. (–5, 1)
D. (1, 12)
E. (4, 7)
Answer:
\(B.\ (-9, -6)\)
\(C.\ (-5, 1)\)
\(D.\ (1, 12)\)
Step-by-step explanation:
A relation is represented as:
\(R->\{(x_1,y_1),(x_2,y_2),(x_3,y_3)...(x_n,y_n)\}\)
Where
\(x = domain\)
\(y = range\)
For a relation to be a function, the domain must be unique and must not be repeated.
In the given function,
\(\{(-9, 1), (-5, 2), (0, 7), (1, 3), (6, -10)\}\)
The domains are \(\{-9,-5,0,1,6\}\)
So, if (6,-10) is to be replaced;
The domain of the ordered pair that will replace it must not be any of \(\{-9,-5,0,1,6\}\)
From the list of given options:
\(B.\ (-9, -6)\)
\(C.\ (-5, 1)\)
\(D.\ (1, 12)\)
The above can not replace (6,-10) because their domain exist already.
How do you convert a fraction to a decimal?
Answer:
To convert fractions to decimals you just divide the top by the bottom — divide the numerator by the denominator — and if the division doesn’t come out evenly, you can stop after a certain number of decimal places and round off. To convert fractions to decimals: If the fraction is a mixed number, change it to an improper fraction.
What is population generalizability?
Answer:
Generalizability is applied by researchers in an academic setting. It can be defined as the extension of research findings and conclusions from a study conducted on a sample population to the population at large. ... The larger the sample population, the more one can generalize the results
Answer:
Generalizability is applied by researchers in an academic setting. lt can be defined as the extension of research findings and conclusions from a study conducted on a sample population to the population at large the larger the sample population,the more one can generalize the results.
l hope it's helpful for u....
PLEASE HELP
Write equations for the vertical and horizontal lines passing through the point (8, -1).
Answer:
x = 8 and y = - 1
Step-by-step explanation:
The equation of a vertical line parallel to the y- axis is
x = c
where c is the value of the x- coordinates the line passes through
The line passes through (8, - 1 ) with x- coordinate 8, then
x = 8 ← equation of vertical line
The equation of a horizontal line parallel to the x- axis is
y = c
where c is the value of the y- coordinates the line passes through
The line passes through (8, - 1 ) with y- coordinate - 1, then
y = - 1 ← equation of horizontal line
Find the value of x.
(4x+8) =
Answer:
Step-by-step explanation:
(4x+8)
4(x+2)
The projectile motion of an object can be modeled using s(t) = gt2 + v0t + s0, where g is the acceleration due to gravity, t is the time in seconds since launch, s(t) is the height after t seconds, v0 is the initial velocity, and s0 is the initial height. The acceleration due to gravity is –4.9 m/s2.
An object is launched at an initial velocity of 19.6 meters per second from an initial height of 24.5 meters. Which equation can be used to find the number of seconds it takes the object to hit the ground?
A. 0 = –4.9t2 + 19.6t + 24.5
B 0 = –4.9t2 + 24.5t + 19.6
C. 19.6 = –4.9t2 + 24.5t
D. 24.5 = –4.9t2 + 19.6t
Answer: 0=-4.9t²+19.6t+24.5
Step-by-step explanation:
\(s(t)=gt^2+v_0t+s_0\\v_0=19,6\ \frac{m}{s} \ \ \ \ s_0=24,5\ m\ \ \ \ g=-4,9\ \frac{m}{s^2} \ \ \ \ S(t)=0\ (the\ object \ hitts\ the \ ground)\ \Rightarrow\\0=-4,9t^2+19,6t+24,5.\)
pls help asap!!! Find the value of z
Complete the sentences below the radius of a circle is _____ the length of its diameter. the diameter of a circle is ______ the length of its radius
Answer:
Half; twice
Step-by-step explanation:
In a circle, the radius is said to be the distance from the center of the circle to any point on the edge of the circle, it is denoted as "r". The radius is called a radii if it is more than one.. The radius of a circle is half the length of the diameter of a circle because the diameter of a circle is the distance of the line that passes through the center of a circle touching both edges of the circle. It is denoted as "d".
Thus,
2r = d
r = d/2
For example, if the radius of a circle is 10cm, the diameter of the circle will be calculated as: d = 2 * 10 = 20cm. Which means if the radius is 10cm, diameter will be 20cm.
Therefore, the radius of a circle is half the length of its diameter. the diameter of a circle is twice the length of its radius
An angle x is chosen at random from the interval 0^0 < x < 90^0 Let p be the probability that the numbers sin^2 x, cos^2 x and sin x cos x are not the lengths of the sides of a triangle. Given that p = d/n where d is the number of degrees in arctan m and m and n are positive integers with m + n < 1000 find m + n.
Answer:
i don get it
Step-by-step explanation:
i stil don get it
Answer: 92
Step-by-step explanation:
Observe that the probability is symmetric around \(45^{\circ}\).
If \(0^{\circ} < x < 45^{\circ}\), then \(\cos^2 x > \cos x > \sin x\). By the triangle inequality, it follows that \(\cos^2 x > \sin^2 x+\sin x \cos x\).
We can now rearrange as follows:
\(\cos^2 x > \sin^2 x+\sin x \cos x\\\\\cos^2 x -\sin^2 x > \sin x \cos x\\\\\cos 2x > \frac{1}{2}\sin 2x\)
Since \(\cos 2x\) and \(\sin 2x\) are both positive for the chosen interval,
\(2 > \tan x \implies x < \frac{1}{2}\arctan 2\).
Therefore, the probability is \(\frac{\frac{1}{2} \arctan 2}{45}=\frac{\arctan 2}{90}\).
This means, \(m=2, n=90 \implies m+n=92\).
In a laboratory experiment, the population of bacteria in a petri dish started off at 7500 and is growing exponentially at 14% per day. Write a function to represent the population of bacteria after t days, where the hourly rate of change can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percentage rate of change per hour, to the nearest hundredth of a percent.
Answer:
Step-by-step explanation:
The function to represent the population of bacteria after t days can be written as:
P(t) = P0 * (1 + r)^t
where P0 is the initial population (7500), r is the daily growth rate (14% = 0.14), and t is the number of days.
Substituting the values, we get:
P(t) = 7500 * (1 + 0.14)^t
Simplifying, we get:
P(t) = 7500 * 1.14^t
To find the percentage rate of change per hour, we need to convert the daily growth rate to an hourly growth rate. Since there are 24 hours in a day, the hourly growth rate, denoted by h, is given by:
h = (1 + r)^(1/24) - 1
Substituting the value of r, we get:
h = (1 + 0.14)^(1/24) - 1
= 0.005521
So, the percentage rate of change per hour is:
h * 100% = 0.5521%
Rounding to the nearest hundredth of a percent, we get:
h * 100% ≈ 0.55%
From a group of students, 28 students like rice, 23 students like dumplings, 16 students like both and 11 students do not like rice nor dumplings. How many students were interviewed?
78
Step-by-step explanation:
23+28+16+11=78
people who was interested in the restaurant
let the random variable z follow a standard normal distribution. find the value k, such that p( z > k) = 0.39.
If a random variable "z" follows a standard normal distribution and the probability of "z" being greater than "k" is 0.39, then the value of "k" such that satisfies the equation [p(z > k) = 0.39] will be 0.28
As per the question statement, a random variable "z" follows a standard normal distribution.
We are required to determine the value of "k" such that the equation [p(z > k) = 0.39] is satisfied.
To solve this question, first we will have to calculate the probability of "z" being greater than "k" and then from the Z-table, we will determine the z-score corresponding the above calculated probability value. This z-score will be our desired answer, i.e.,
Given, P(Z > k) = 0.39
Or, P(Z < k) = (1 - 0.39)
Or, P(Z < k) = 0.61
Now, from the Z table, we get the z-score corresponding to probability value of 0.61 is 0.28
Hence, (k = 0.28)
Normal Distribution: In Statistics and Probability Theory, a normal distribution is the bell-shaped frequency distribution curve of a continuous random variable, based on a set of values of the variable, which lie in a symmetrical fashion majorly situated around their mean and the rest taper off symmetrically toward either extreme.To learn more about Normal Distributions and Probability, click on the link below.
https://brainly.com/question/6782939
#SPJ4
Solve for xxx. Enter the solutions from least to greatest. Round to two decimal places. (x + 8)^2 - 2 = 0
Answer:
55
Step-by-step explanation:
The values of the x are -6.59, and -9.42 if the quadratic equation is (x + 8)² - 2 = 0.
What is a quadratic equation?Any equation of the form \(\rm ax^2+bx+c=0\) where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
As we know, the formula for the roots of the quadratic equation is given by:
\(\rm x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}\)
The complete question is:
Solve for x.
Enter the solutions from least to greatest. Round to two decimal places.
(x + 8)² - 2 = 0
It is given:
(x + 8)² - 2 = 0
Using (a + b)² = a² + 2ab + b²
x² + 16x + 64 - 2 = 0
x² + 16x + 62 = 0
Compare with the standard form of the equation:
a = 1
b = 16
c = 62
Plug the above values in the formula:
\(\rm x = \dfrac{-16 \pm\sqrt{16^2-4(1)(62)}}{2(1)}\)
x = [-16 ±√8]/2
x = [-16 ±2.83]/2
Take + sign:
x = [-16 + 2.83]/2
x = -6.59
Take - sign:
x = [-16 - 2.83]/2
x = -9.42
Thus, the values of the x are -9.42, and -6.59 if the quadratic equation is (x + 8)² - 2 = 0.
Learn more about quadratic equations here:
brainly.com/question/2263981
#SPJ2
HELP PLZ what is -3.4y = 51
Answer:
y = -15
Step-by-step explanation:
All you have to do is 51 divided by -3.4 and it equals -15. Inverse operations in short terms. And if you substitute -15 for y it will fir.
Answer:
-3.4y = 51
y = 51/-3.4
y = 510/-34
y = -15
what is the answer to the question?
At the local bakery Ariel bought 2 oatmeal cookies for $1.50. Mei bought 1/2 dozen oatmeal cookies for $4.50. Becky bought 8 oatmeal cookies for $6.00 what does the point (1,0.75) represent in...
Answer:
Step-by-step explanation:
In A. P. 0,-4,-8,-12....... next term will be :
plz answer right now plz
Answer:
-16
Step-by-step explanation:
0-4= -4
-4-4=-8
-8-4=-12
-12-4=-16
Answer:
- 16
Step-by-step explanation:
To find a term in an AP add the common difference d to the previous term.
d = a₂ - a₁ = - 4 - 0 = - 4
Then next term in sequence is
- 12 - 4 = - 16
.(iv) All groups of order six are isomorphic to each other. [4 marks (c) Suppose G is a group with G| = 121. Prove that either G is cyclic or that every non-identity element of G has order 11. (9 marks] (a) Define what is meant by an even permutation. Also, suppose A, is the set of even permutations in the symmetric group, Sn. Prove that An is a subgroup of Sr, and that the order of A, is , where n > 1. [12 marks] (b) Suppose a = (21674)(3154) in Sg. Express a as a product of disjoint cycles and find o(a?). Also, find o(a) and determine if a' is even or odd. (12 marks]
(a) An even permutation is a permutation that can be expressed as an even number of transpositions. An is the set of even permutations in the symmetric group Sn. It can be proven that An is a subgroup of Sr, and its order is n!/2, where n > 1.
(b) The permutation a = (21674)(3154) can be expressed as a product of disjoint cycles as a = (1 2)(3 4)(5)(6 7)(8). The order o(a) is the least common multiple of the lengths of the disjoint cycles, which in this case is lcm(2, 2, 1, 2, 1) = 2. To determine if a is even or odd, we count the number of transpositions in its cycle decomposition. In this case, there are 5 transpositions, so a is an odd permutation.
(a) An even permutation is a permutation that can be represented by an even number of transpositions. In the symmetric group Sn, the set of even permutations is denoted as An. To prove that An is a subgroup of Sr, we need to show that it satisfies the three conditions for a subgroup: closure, identity element, and inverse element. By the properties of even permutations, it can be shown that An satisfies these conditions, making it a subgroup of Sr. Furthermore, the order of An is n!/2, where n is the number of elements in the symmetric group.
(b) The permutation a = (21674)(3154) can be expressed as a product of disjoint cycles: a = (1 2)(3 4)(5)(6 7)(8). The order of a, denoted as o(a), is found by calculating the least common multiple of the lengths of the disjoint cycles. In this case, the lengths are 2, 2, 1, 2, and 1, so o(a) = lcm(2, 2, 1, 2, 1) = 2. To determine if a is even or odd, we count the number of transpositions in its cycle decomposition. In this case, there are 5 transpositions (2 in the first cycle, 2 in the second cycle, and 1 in the fifth cycle), indicating that a is an odd permutation.
Learn more about permutation:
https://brainly.com/question/29990226
#SPJ11
Watching a Helicopter Take Off At a distance of 58 ft from the pad, a man observes a helicopter taking off from a heliport. If the helicopter lifts off vertically and is rising at a speed of 55 ft/sec when it is at an altitude of 113 ft, how fast is the distance between the helicopter and the man changing at that instant? (Round your answer to one decimal place.)
The Pythagora´s Theorem, tell us that in a right triangle, the square of the hypothenuse (L²) is equal to :
L² = x² + y²
x and y are the legs.
The solution is
dy/dt = 48.9 ft/s
We know that in a right triangle:
L² = x² + y² (1)
If the helicopter lifts off vertically, that means x ( the horizontal distance between the observing man and the helicopter, maintains constant).
According to that, if we get derivatives with respect to time on both sides of equation (1) we get:
2×L× dL/dt = 0 + 2×y×dy/dt (2)
And
L = √ ( 58)² + ( 113)² = √12769 + 3364 = 127.02 ft
L = 127.02 ft when y = 113 ft
Now in equation (2) we know:
y = 113 ft dy/dt = 55 ft/s L = 127.02 we look for dL/dt
Then by substitution
2×127.02 × dL/dt = 2×113×55
254.04× dL/dt = 12430
dL/dt = 48.92
dL/dt = 48.9 ft/s
Related Link : https://brainly.com/question/14988219?
Ali's heart beats 320 times in 4 minutes. How many beats per minute is that?
Answer:
90 beats per minute
Step-by-step explanation:
320 divided by 4 is 90, which would mean that there is 90 beats per minute
Answer: the answer is 64 beats.
Step-by-step explanation: