\(\text {Hey! Here is the number line you requested}\)
\(\text {This equation will also equal...}\)
\(x<-8\)
\(\text {How do you get that answer?}\) \(\text {Simple! You just divide both sides by 3}\)
\(-3x/3>24/-3\)
\(\text {Final Answer}\)
\(x<-8\)
\(\text {Best of Luck!}\)
\(\text {-LimitedX}\)
Solve the system by making a table of values. Show your work in the scratch
pad
2x +y = 6
y=x+3
Find x if:
B is between A and C;
AB=x+5;
BC=2(x – 3); and
AB ≅ BC .
Answer:
x = 11
Step-by-step explanation:
x + 5 = 2(x - 3)
x + 5 = 2x - 6
(x - x) + 5 = (2x - x) - 6
5 = x - 6
5 + 6 = x (- 6 + 6)
x = 11
I need help with my Alg 2 work.
Help quickly if possible.
Thanks.
Positive value of a vertically stretches the graph of f when a > 1 or shrinks the graph of f when a < 1. h translates the graph of f to the left when h < 0 or right when h > 0.
What are some examples of how exponential functions are employed in mathematics and in real life?Several real-world scenarios use exponential functions, including population increase, compound interest, radioactive decay, and the spread of diseases. For instance, an exponential function may be used to simulate the expansion of a bacterial population, with the rate of increase being proportional to the population size. Similarly, compound interest, which applies the rate of interest to the principal sum across a number of periods, can be represented by an exponential function.
Positive value of a vertically stretches the graph of f when a > 1 or shrinks the graph of f when a < 1. h translates the graph of f to the left when h < 0 or right when h > 0 and k translates the graph of f up when k > 0 and down when k < 0.
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which of the following is true of both discrete and continuous probability distributions? a.) the sum of all probabilities is equal to 1. b.) the sum of all probabilities is less than or equal to 1. c.) the probability of each outcome is 1. d.) the sum of all probabilities lies between 0 to 1.
The discrete and continuous probability distributions is a) the sum of all probabilities is equal to 1.
What is meant by probability distribution ?A probability distribution is a statistical function that enumerates all the possible probabilities and values for a random variable within a certain range. The populations of real-world variables, such as the weight of chicken eggs or coin tosses, are described using probability distributions. To calculate p values for hypothesis testing, they are also employed. In order to acquire estimates of the likelihood that a specific event will occur or to determine the variability of occurrence, we use probability distributions to help represent our reality. They are a typical technique to explain and perhaps anticipate the likelihood of an event. The mathematical foundation that enables logically coherent analysis of chance events is called probability theory. A probability value represents how probable an event is to occur.To learn more about probability distribution refer to:
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The graph of a function is shown below. What is its range?
O (1, 2, 4)
O (1, 2, 3, 5)
O All real numbers.
O (1, 2, 3, 4)
(1,2,4)
Step-by-step explanation:Range describes the y-values of a graph.
Range
Range is the y-values that a graph covers. Remember that the y-values are found on the vertical axis. If the graph is not continuous, then the values between the points are not included in the range. Similar to the range, the domain of a graph is the x-values that a graph covers. If there is a coordinate point with a y-value, then that y-value should be included in the range.
Finding Range
In order to find the range, we need to find all the unique y-values of the graph. Additionally, the range is given in numerical order. This means starting from the least value and going up to the greatest. The lowest y-value is 1, then 2, and finally 4. Even though there are two points where y = 2, we are only looking for unique values. This means that the range is (1,2,4).
the difference of the square of two consecutive numbers is 19. If one number is 10, what is the other number?
a)12 . b)11 . c)9 . d)8.
If you can answer correctly and explain properly the methods.
I try to mark it as the brainiest.
Answer:
c
Step-by-step explanation:
10^2 - 9^2 = 100 - 81 = 19
please help factorise 7ab+a
Answer:
= a(7b + 1)
Step-by-step explanation:
7ab + a
a(7b + 1).
7. how many different license plates are possible if state uses a. two letters followed by a four-digit integer (leading zeros are permissible and the letters and digits can be repeated)? b. three letters followed by a three-digit integer (leading zeros are permissible and the letters and digits can not be repeated)?
Number of of difference license plate are possible, when two letters followed by four digit integer is 6760000 and when three letters followed by three digit number is 17576000
Here two letters are followed by a four digit integer
There are 26 letters available
Number of possible combinations = 26 × 26
= 676 pair of numbers
In each digits of a four digit numbers 10 numbers are possible
Total number of combinations = 10 × 10 × 10 × 10
= 10000
Number of different license plate = 676 × 10000
= 6760000
Part b
Number of three letters combination = 26 × 26 × 26
= 17576
Number of three digit integer combination = 10 × 10 × 10
= 1000
Number of different licence plate = 17576 × 1000
= 17576000
Therefore, three are 6760000 combinations if it is a two letter followed by four digit integer and 17576000 combination if it is a three letters followed by three digit numbers
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Type the 4 letter code , need before one please :)
9514 1404 393
Answer:
DECB
Step-by-step explanation:
Correct except for graph 2. That graph has a solid line, a y-intercept of -2 and a slope of 4. Its inequality is ...
y ≤ 4x -2 . . . . choice E
khan sucks 3 for 30 points
again
Answer:
D, John did not make a mistake!
Step-by-step explanation:
help please rn help
Area of the large semicircle
\( = \pi{r}^{2} \div 2\)
\( = \frac{22}{7} \times 12 {}^{2} \times \frac{1}{2} \)
\( = \frac{11}{7} \times12 \times 12\)
\( = \frac{11}{7} \times 144\)
\( = 226.28\)
Area of the small semicircle
\( = \pi {r}^{2} \div 2\)
\( = \frac{22}{7} \times 6 {}^{2} \times \frac{1}{2} \)
\( = \frac{11}{7} \times 6 \times 6\)
\( = \frac{11}{7} \times 36\)
\( = 56.57\)
Area of the figure
\( = 226.28 - 56.57\)
\( = 169.71 {cm}^{2} \)
Justify the last two steps of the proof please!
The justification for the third step of the proof as given in the task content is; Reflexive property of ~; SSS.
The justification for the fourth step of the proof as required is; Symmetric Property of ~; SSS.
Triangle congruence theorems.Recall that the; Reflexive Property as used in mathematical operations is such that: x = x. Therefore, the length of line segment ST and the length of line segment TS are equal and the segments are congruent.
Also, it follows from the task content that ∆RST ~ ∆UTS which means that both triangles are congruent by the Symmetric Property of SSS.
Ultimately, the justification for steps 3 and 4 are therefore, Reflexive Property of mathematical operations and the Symmetric property of SSS respectively.
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what is the probability that alice has two aces if you know that alice has an ace versus if you know that alice has the ace of spades?
The probability that Alice has two Aces is 5.88%.
To answer your question about the probability that Alice has two aces, we will consider the two scenarios you provided.
1. If you know that Alice has an Ace:
- There are 52 cards in a standard deck, and 4 Aces.
- Since Alice has an Ace, she has one of the 4 Aces and 51 cards remain in the deck.
- There are now 3 Aces left in the deck, and Alice needs one more Ace to have two Aces.
- The probability that Alice has two Aces is the number of remaining Aces divided by the number of remaining cards, which is 3/51.
2. If you know that Alice has the Ace of Spades:
- Since Alice has the Ace of Spades, there are now 51 cards left in the deck.
- There are still 3 Aces remaining (hearts, diamonds, and clubs).
- The probability that Alice has two Aces is the number of remaining Aces divided by the number of remaining cards, which is 3/51.
In both scenarios, the probability that Alice has two Aces is 3/51, or approximately 0.0588 or 5.88%.
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Listening 1.2 - Miley Cyrus: Wrecking Ball
After listening to Listening 1.2, answer the following questions:
1. How easy it is for you to identify the difference in Verse, Chorus, and Bridge in this song?
2. How does the musical form, or structure, of the song impact the song's repeatability? Knowing that the form of this song remains the same for a majority of popular songs, how does the musical form impact the overall popular music genre (accessibility, repeatability, etc)?
3. What is your aesthetic response to this song, and how does the musical form impact your aesthetic response?
answer these each questions with full paragraphs and meanfully. please cause I don't know to answer these. It would mean a lot. please and thank you!
In Listening 1.2, Miley Cyrus’ Wrecking Ball, identifying the difference in Verse, Chorus, and Bridge is quite easy.
The verse part of the song is the section that is generally sung in a lower key and can be regarded as the storytelling aspect of the song. The musical form or structure of the song, “Wrecking Ball” impacts the song's repeatability as it is designed to create a catchy, repeating theme that sticks in the listener's head.
Additionally, the predictability of the song's structure makes it easier for DJs to mix songs in clubs or at parties. My aesthetic response to the song is a bit mixed. This structure makes the song more engaging, and it is easy to get lost in the emotion of the song. Additionally, the repeating theme of the chorus makes it easier for the listener to sing along.
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I don't understand this question can someone help me with this please, please explain!! and thank you for the help!! If u dont know try your best :D
Answer:
i wanna say A srry if wrong
Step-by-step explanation:
because there all in rows
first there all even there the same shap and there the same size on eachone
Answer:
I think the answer is A.
Step-by-step explanation:
I am SO SO sorry if this is wrong! :(
-6p - 20 = -2p +4(1 - 3p)
Answer:
−
6
−
2
0
=
−
2
+
4
(
1
−
3
)
−
6
−
2
0
=
−
2
+
4
(
−
3
+
1
)
2
Distribute
−
6
−
2
0
=
−
2
+
4
(
−
3
+
1
)
−
6
−
2
0
=
−
2
−
1
2
+
4
3
Combine like terms
−
6
−
2
0
=
−
2
−
1
2
+
4
−
6
−
2
0
=
−
1
4
+
4
4
Add
2
0
20
20
to both sides of the equation
−
6
−
2
0
=
−
1
4
+
4
−
6
−
2
0
+
2
0
=
−
1
4
+
4
+
2
0
5
Simplify
Add the numbers
Add the numbers
−
6
=
−
1
4
+
2
4
6
Add
1
4
14p
14p
to both sides of the equation
−
6
=
−
1
4
+
2
4
−
6
+
1
4
=
−
1
4
+
2
4
+
1
4
7
Simplify
Combine like terms
Combine like terms
8
=
2
4
8
Divide both sides of the equation by the same term
8
=
2
4
8
8
=
2
4
8
9
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
=
3
Solution
=3
Step-by-step explanation:
please give me brainliest
The following Excel tables are obtained when "Score received on an exam (measured in percentage points)" (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course. Which of the following statements is true? Click the icon to view the table. Data Table O A. If attendance increases by 0.341%, the estimated mean score received will increase by 1 percentage point. OB. If attendance increases by 1%, the estimated mean score received will increase by 39.39 percentage points. O C. If the score received increases by 39.39%, the estimated mean attendance will go up by 1%. OD. If attendance increases by 1%, the estimated mean score received will increase by 0.341 percentage points. Regression Statistics Multiple R 0.142620229 R Square 0.02034053 Standard Error 20.25979924 Observations 22 Intercept Attendance Coefficients 39.39027309 0.340583573 Standard Error 37.24347659 0.52852452 T Stat 1.057642216 0.644404489 P-value 0.302826622 0.526635689 Print Done
D is the right response, meaning that if attendance increases by 1%, the anticipated mean score will rise by 0.341 percentage points.
What is Statistics?
The study of gathering, analysing, interpreting, presenting, and arranging data in a certain way is the focus of the mathematic branch known as statistics. The act of gathering data, classifying it, presenting it in a way that makes it understandable, and then conducting additional analyses of the data is known as statistics. Statistics is also the process of drawing inferences from samples of data gathered through experiments or surveys. Statistics are also used to operate in a variety of fields, including psychology, sociology, geology, probability, and more.
Results of an EXA are a dependent variable.
Percentage Attendance is a standalone factor.
As a result, the regession equation is Scores received = 39.390 + 0.341*X.
In other words, if we increase attendance by 1%, the estimated mean score received will increase by 0.341 percentage, according to the slope of the regression line.
Therefore, D is the right response, meaning that if attendance increases by 1%, the anticipated mean score will rise by 0.341 percentage points.
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If segment BD is congruent to segment BC, BD=4x-18, BC=x+3, and AC=34, find AB
If segment BD is congruent to segment BC, and BD = 4x - 18, BC = x + 3, and AC = 34, then AB = 31/x.
What is meant by Congruent angles?Congruent angles are two or more angles that are exactly the same. As a result, the lengths of these angles are equal. Angle measurement is the same for congruent angles. A regular pentagon, for example, has five sides and five angles, each of which is 108 degrees. Angles in a regular polygon will always be congruent regardless of size or scale. Congruent angles are another name for equal angles. Angles that are congruent are those that are vertically opposite each other. Congruent angles are those formed by the intersection of two parallel lines and a transversal.Let the equation be AB + BC = AC
substitute the values in the above equation, we get
AB + x + 3 = 34
simplifying the value of x,
Subtract A B from both sides AB + x + 3 - AB = 34 - A B
x + 3 = 34 - AB
Subtract 3 from both sides,
x + 3 - 3 = 34 - AB - 3
x = -AB + 31
Plug in this value of x into the line segments to find BC and AC.
Where, BC = x + 3
substitute the value of x in the above equation, we get
BC = [-AB + 31 ] + 3
BC = -AB + 34
Then, AB + BC = AC
x = -AB + 31
AB = 31/x
Hence, If segment BD is congruent to segment BC, and BD = 4x - 18,
BC = x + 3, and AC = 34, then AB = 31/x.
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can someone please help me find angle ADB
The measure of the angle ADB, obtained from the relationship between the base angles of an isosceles triangle and the angle formed at the center and on the circumference of circle is; ∠ADB = 55°
What is an isosceles triangle?An isosceles triangle is a triangle that has congruent base angles.
The angle at the m∠A = 180°- (30° + 70°) = 80°
The two tangent and secant theorem indicates that the half the difference between the arcs CD and AB is; 30°, therefore;
30 = (1/2) × (AB - CD)
The congruence relationship between the segment BC and AB indicates that the base angle of the isosceles triangle ABC and the angle ACB
Therefore, the angle ACB = 55°
The angle at the center a of a circle is twice the angle formed at the circumference of a circle.
Arc AB = 2 × angle ACB = 2 × 55° = 110°
Arc CD = 110 - 2 × 30 = 50°
∠DBC = 50°/2 = 25°
∠DBA = 70° - 25° = 45°
Angle ADB = 180 - 80 - 45 = 55
Angle ADB = 55°
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if you are looking for gae anime to watch YOU NEED TO WATCH GIVEN
Answer:
.....
..
Step-by-step explanation:
umm.
ok free points if
A number cube is rolled. What is the likelihood that a number less than or equal to three is rolled?
The probability that a number less than or equal to three is rolled is 1/2.
Given that, a number cube is rolled, we need to find that what is the probability that a number less than or equal to three is rolled,
So, the probability = favorable outcomes / total outcomes
Here, the favorable outcome = 1, 2, 3 = 3
The total outcomes = 1, 2, 3, 4, 5, 6 = 6
So, the probability = 3/6 = 1/2
Hence, the probability that a number less than or equal to three is rolled is 1/2.
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Fracciones heterogeneas
The information given illustrates that the equivalent fraction will be 2/6.
How to calculate the fraction?It should be noted that equivalent fraction simply means the fractions that are the same.
In this case, we are given 4/6 and 1/3. They have different numerators and denominators. The question is simply to change 1/3 to another fraction that has a denominator of 6.
This will be illustrated. The equivalent faction to 1/3 will be:
= 1/3 × 2/2
= 2/6
Therefore, the answer is 2/6.
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9-3 divided by 1/3 + 1 =
Answer:
4.5
Step-by-step explanation:
Simplifying the denominator 1/3 +1 we get 4/3 (By taking L.C.M).
Then divinding (9-3) by 4/3.
9-3 = 6
6/(4/3) = 6×3 /4 = 9/2 =4.5.
Hence, answer is 4.5
The value of 9-3 divided by 1/3 + 1 is 4.5. Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement.
What is meant by mathematical expression?Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows :The following is the structure of an expression: Expression: (Number/Variable, Math Operator, Math Operator)
In the mathematics curriculum and in mathematics in general, algebraic expressions are crucial. Students must be proficient in computations and the manipulation of algebraic expressions in order to advance and do well in mathematics. They must also be able to understand and write expressions.
Arithmetic operations are the most fundamental type of mathematical expression. Any combination of numbers and a mathematical operation, such as multiplication, addition, subtraction, or division, are considered arithmetic operations.
Given,
9-3 divided by 1/3 + 1 by simplifying,
= 4.5
Therefore , The value of 9-3 divided by 1/3 + 1 is 4.5.
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RS is the perpendicular bisector of PQ. Point T is the midpoint of PQ. Point U lies on RS.
If the length of UP IS 7 units, the length of UQ is how many units
Answer:
7 units
Step-by-step explanation:
The dimension of the row space of a 3 x 3 matrix A is 2. (a) What is the dimension of the column space of A? (b) What is the rank of A? (c) What is the nullity of A? (d) What is the dimension of the solution space of the homogeneous system Ax = 0?
a) the dimension of its column space is also 2. b) the rank of A is 2. c) the nullity of matrix A is 1. d) the dimension of the solution space of the homogeneous system \(A_x = 0\) is also 1.
(a) The dimension of the row space of a matrix is equal to the dimension of its column space. So, if the dimension of the row space of matrix A is 2, then the dimension of its column space is also 2.
(b) The rank of a matrix is defined as the maximum number of linearly independent rows or columns in the matrix. Since the dimension of the row space of matrix A is 2, the rank of A is also 2.
(c) The nullity of a matrix is defined as the dimension of the null space, which is the set of all solutions to the homogeneous equation Ax = 0. In this case, the matrix A is a 3 x 3 matrix, so the nullity can be calculated using the formula:
nullity = number of columns - rank
nullity = 3 - 2 = 1
Therefore, the nullity of matrix A is 1.
(d) The dimension of the solution space of the homogeneous system Ax = 0 is equal to the nullity of the matrix A. In this case, we have already determined that the nullity of matrix A is 1. Therefore, the dimension of the solution space of the homogeneous system \(A_x = 0\) is also 1.
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Gavin bought two iPhone chargers. His reward card at the store staples save him $4. He only had to pay $16. How much money did each iPhone charger cost?
Answer:
$10 was for each charger
Step-by-step explanation:
16/2 = 8
and if you add 2 for each charger it makes 10 for each charger without the $4 discount
Plssssss helllppppppp
Answer: 30 feet
Step-by-step explanation:
\(A=\frac{1}{2}bh\\ \\ 150=\frac{1}{2}(10)(h) \\ \\ 150=5h \\ \\ h=30\)
Suppose you are interested in studying the relationship between education and wage. More specifically, suppose that you believe the relationship to be captured by the following linear regression model,
Wage = βo + β1 Education + u
Suppose further that the only unobservable that can possibly affect both wage and education is intelligence of the individual.
OLS assumption (1): The conditional distribution of u; given X; has a mean of zero. Mathematically, E(u/Xi) = 0.
Which of the following provides evidence against of OLS assumption #1? (Check all that apply)
A. corr(Intelligence, Education) = 0.
B. E(Intelligence Education = x) = E(Intelligence Education = y) for all x + y.
C. covariance(Intelligence, Education) #0.
D. corr(Intelligence, Education)#0.
Evidence against OLS assumption #1, which states that the conditional distribution of the error term has a mean of zero, can be found in options C and D.
These options indicate that the covariance or correlation between intelligence and education is not zero, suggesting a potential violation of the assumption.
OLS assumption #1 states that the conditional distribution of the error term (u) given the explanatory variable (Education) has a mean of zero. In other words, it assumes that there is no systematic relationship between the unobserved factors affecting wage (captured by the error term) and the explanatory variable after accounting for the observed variable (Education).
Option C provides evidence against OLS assumption #1 by stating that the covariance between intelligence and education is not equal to zero. This suggests that there is a systematic relationship between unobserved intelligence and observed education, potentially violating the assumption.
Option D also provides evidence against OLS assumption #1 by stating that the correlation between intelligence and education is not equal to zero. A non-zero correlation implies a systematic relationship between the two variables, indicating a potential violation of the assumption.
On the other hand, options A and B do not provide evidence against OLS assumption #1. A zero correlation (option A) or equal expected values of intelligence and education (option B) do not necessarily contradict the assumption that the conditional distribution of the error term has a mean of zero.
In conclusion, options C and D provide evidence against OLS assumption #1, indicating a potential violation of the assumption based on the covariance or correlation between intelligence and education.
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just designed a cloister (a rectangular garden surrounded by a covered walkway on all four sides). the outside dimensions of the garden are 12 feets by 8 feet, and the area of the garden and the walkway together are 252 square feet. what is the width of the walkway?
The width of the rectangular walkway is 3 feet around.
The walkway has a uniform width around the rectangle.
Let the width of walkway be x
The total length of the garden and walkway will be (12+2x) feet
The total width of the walkway and garden would be (8+2x) feet
Area of the garden and the walkway together are 252 square
Let’s express this mathematically:
(8+2x)(12+2x) = 252
Let’s open the brackets;
96+ 16x+ 24x + 4x^2 = 252
4x^2 + 40x + 96 = 252
4x^2 + 40x + 96-252 = 0
4x^2 + 40x - 156 = 0
Let’s divide all through by 10. We have;
x^2 + 10x -39 = 0
X^2 +13x-3x-39 = 0
x(x + 13) -3(x+ 13) = 0
(x-3)(x + 13) = 0
x -3 = 0 or x + 13 = 0
x = 3 or -13
We ignore x = -13 since width cannot be negative in size
Therefore, the width of the rectangular walkway is 3 feet around.
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Homework: Section 11.1 Question 7. Complete the square to find the x-intercepts of the function given by the equation listed. f(x)=x² +34x+104 What are the x-intercepts? **** (Simplify your answer. T
Answer:
x² + 34x + 104 = 0
x² + 34x = -104
x² + 34x + ((1/2)(34))² = -104 + ((1/2)(34))²
x² + 34x + 17² = -104 + 17²
x² + 34x + 289 = 185
(x + 17)² = 185
x + 17 = +√185
x = -17 + √185