The equation of the linear graph is expressed in slope intercept form as; y = 20x
What is the equation of the Linear Graph?The equation of a line in slope intercept form is;
y = mx + c
where;
m is slope
c is y-intercept (which is the point where the line crosses the y-axis)
From the graph given we can see that the line crosses the y-axis at 0. Thus; c = 0
Now, we can pick two coordinates to find the slope;
Slope = (y2 - y1)/(x2 - x1)
Slope = (40 - 20)/(2 - 1)
Slope = 20
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The square root of a number is between seven and eight .which could be the number?
Answer: 51
Step-by-step explanation:
If someone could help me with these two problems please. ( will mark brainliest if correct )
The value of t for the angles of the given triangle will be 30.67.
What are the angles of triangle?The straight angle is equal to the total of the angles of a triangle. Three angles, one at each vertex and bounded by two neighbouring sides, make up a triangle. For a very long period, it was unknown if there were any alternative geometries for which the total is different.
The triangle has three sides and is a two-dimensional figure having the sum of the angles of 180 degrees.
In the given image the three angles are 2t, t + 8, and t - 12. The value of t will be calculated as:-
2t + t + 8 + t - 12 = 180
4t - 4 = 180
4t = 184
t = 184 / 4
t = 30.67
Therefore, the value of t for the angles of the given triangle will be 30.67.
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Select the correct answer from each drop-down menu. A graph plots stock value. A line rises from (18, 1,725 point 00) to (20, 1,750 point 00) declines to (25, 1,670 point 0 0) and rises to (1, 705 point 7 4). Line graphs show price trends over different time periods. What data points are used to create a line graph on the stock quote shown? The line graph is created using the of the stock each .
The line graph is created using the close price of the stock each day.
What is a stock?In Trading and securities, a stock is also known to as equity and it can be defined as a financial security which represents a stockholder's ownership of a fraction of a corporation.
What is an closing price?An closing price can be defined as the official price at which a financial security first trades at the closing of an exchange on a stock market, during a regular trading session.
This ultimately implies that, a closing price is the price at which the last financial transactions are completed or the last bids and offers are made by eligible customers on a stock market.
In this context, we can reasonably infer and logically deduce that the close price of the stock each day was used to create the line graph.
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Complete Question:
Select the correct answer from each drop-down menu. A graph plots stock value. A line rises from (18, 1,725 point 00) to (20, 1,750 point 00) declines to (25, 1,670 point 0 0) and rises to (1, 705 point 7 4). Line graphs show price trends over different time periods. What data points are used to create a line graph on the stock quote shown?
The line graph is created using the _____ of the stock each _____.
Answer:w
Step-by-step explanation:aaw
w
Help! I don’t know if this is correct
Answer:
can you turn it to the carma I can see it that good
find the value of x when y=10 and 2y+y=x
x = 30
Step-by-step explanation:
Given,
y = 10, x = ?
2y+y = x → Equation no. (1)
Substitute the value of y in Equation no. (1) then,
2(10)+10 = x
20+10 = x
30 = x (OR) x = 30.
Growing linearly, the balance owed on your credit card triples from $500 to $1500 in 9 months. If the balance were growing according to the exponential function f(x)=500(1+0.13)x where x represents the number of months, what would the balance be after 9 months? Round your answer to the nearest cent.
If the balance were growing according to the exponential function, the balance owed on your credit card after 9 months is equal to $1,502.02.
What is an exponential function?In Mathematics, an exponential function simply refers to a mathematical function whose values are generated by a constant that is raised to the power of an argument.
From the information provided, an exponential function that models or represents the rate at which the balance owed on your credit card triples is given by:
f(x) = 500(1 + 0.13)^x
Where:
f(x) represents the balance owed on your credit card.x represents the number of months.After 9 months, the balance owed on your credit card would be calculated by substituting the value of x with 9 as follows:
Balance owed, f(x) = 500(1 + 0.13)^9
Balance owed, f(x) = 500(1.13)^9
Balance owed, f(x) = 500 × 3.0040419380
Balance owed, f(x) = $1,502.02.
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Complete Question:
Growing linearly, the balance owed on your credit card triples from $500 to $1500 in 9 months. If the balance were growing according to the exponential function f(x) = 500(1 + 0.13)^x, where x represents the number of months, what would the balance be after 9 months? Round your answer to the nearest cent.
Answer:
$1502.02
Step-by-step explanation:
f(x)=500(1+0.13)^x
f(9) = 500(1.13)^9
f(9) = 500(3.004041938)
f(9) = 1502.02
Answer: $1502.02
Evaluate the expression for x=-1,0, 1, 2
-3x + 4
X=0
X=-1
x = 1
X=2
Answer:
-3(-1) + 4 = 3 + 4 = 7
-3(0) + 4 = 0 + 4 = 4
-3(1) + 4 = -3 + 4 = 1
-3(2) + 4 = -6 + 4 = -2
Melissa rented a Segway, a stand up scooter, in downtown Austin, Tx. The store charges a $3.25 initial charge plus $2.50 per mile. Which equation can be used to find y, the total cost of the rental, if x represents the number of miles Melissa rode on the Segway?
pls it has to be like "y=mx+b"
Answer:
y = x(2.50)+3.25
Step-by-step explanation:
y (total cost )= x (miles rode) * 2.50 (cost per mile) + 3.25 (initial cost)
|-4/3x-5|>19
Solve with work please. ;)
The inequality expression given as |-4/3x - 5| > 19 has a solution of 10.5 < x < -18
How to solve the inequality?From the question, the inequality is given as
|-4/3x-5|>19
Rewrite properly as
|-4/3x - 5| > 19
Remove the absolute bracket
So, we have the following representation
-19 > -4/3x - 5 > 19
Add 5 to all sides of the inequality
So, we have
-14 > -4/3x > 24
Multiply through by -3/4
So, we have
10.5 < x < -18
Hence, the solution to the expression is 10.5 < x < -18
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an elementary school is offering 3 language classes: one in spanish, one in french, and one in german. the classes are open to any of the 100 students in the school. there are 28 students in the spanish class, 26 in the french class, and 16 in the german class. there are 12 students that are in both spanish and french, 4 that are in both spanish and german, and 6 that are in both french and german. in addition, there are 2 students taking all 3 classes.
Using Venn diagram, if a student is chosen randomly, (a) the probability that he or she is not in any of the language classes is 0.5, (b) the probability that he or she is taking exactly one language class is 0.32, and (c) if 2 students are chosen randomly, the probability that at least 1 is taking a language class is 0.753.
Venn diagram is a diagram used to present the relationship between sets in a logical form. (See attached image)
Let A = students in the Spanish class = 28
B = students in the French class = 26
C = students in the German class = 16
Hence, the probability of each class is:
P(A) = 28/100 = 0.28
P(B) = 26/100 = 0.26
P(C) = 16/100 = 0.16
P(A ∩ B) = 12/100 = 0.12
P(B ∩ C) = 6/100 = 0.06
P(A ∩ C) = 4/100 = 0.04
P(A ∩ B ∩ C) = 2/100 = 0.02
(a) P(not A, B, C) = 1 - P(A ∪ B ∪ C)
P(not A, B, C) = 1 - [P(A) + P(B) + P(C) - P(A ∩ B) - P(B ∩ C) - P(A ∩ C) + P(A ∩ B ∩ C)]
P(not A, B, C) = 1 - (0.28 + 0.26 + 0.16 - 0.12 - 0.06 - 0.04 + 0.02)
P(not A, B, C) = 1 - 0.5
P(not A, B, C) = 0.5
(b) P(A, B, C only) = P(A only) + P(B only) + P(c only)
P(A, B, C only) = [P(A) - P(A ∩ B) - P(A ∩ C) + P(A ∩ B ∩ C)] + [P(B) - P(A ∩ B) - P(B ∩ C) + P(A ∩ B ∩ C)] + [P(C) - P(B ∩ C) - P(A ∩ C) + P(A ∩ B ∩ C)]
P(A, B, C only) = (0.28 - 0.12 - 0.04 + 0.02) + (0.26 - 0.12 - 0.06 + 0.02) + (0.16 - 0.06 - 0.04 + 0.02)
P(A, B, C only) = 0.14 + 0.10 + 0.08
P(A, B, C only) = 0.32
(c) P = 1 - (50/100 x 49/99)
P = 1 - (49/198)
P = 149/198
P = 0.753
To complete the problem, here are the questions:
(a) If a student is chosen randomly, what is the probability that he or she is not in any of the language classes?
(b) If a student is chosen randomly, what is the probability that he or she is taking exactly one language class?
(c) If 2 students are chosen randomly, what is the probability that at least 1 is taking a language class?
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An airplane travels 130,000 feet horizontally drring take-off, reaching a height of 35,000 feet. the airplane travels at a constant rate.what is the plane's launch angel? round your answer to the neatest degree.
The launching angle of the plane which has reached a height of 35000 ft is 15°
Let the distance travelled by the airplane horizontally be AB
The height reached by the airplane be BC
Thus AB = 130000 ft
BC = 35000 ft
The launching angle of the airplane can be found using the formula
tanθ = opposite / adjacent
(or)
tanθ = BC / AB
Let us substitute the known values in the above equation, we get
tanθ = 35000/130000
tanθ = 0.2692
θ = tan⁻¹ (0.2692)
θ = 15.067°
θ ≅ 15°
Therefore , the launching angle of the airplane is 15°
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HELP I’LL MARK BRAINLIEST AND ITS 100 POINTS
p: a month begins with the letter M; q: it has 31 days
match the statements
1) conditional
2) converse
3) inverse
4) contrapositive
if a month does not begin with the letter M then it does not have 31 days
if a month does not have 31 days then it does not begin with the letter
if a month begins with the letter M then it has 31 days if a month has 31 days then it begins with the letter M
Answer:
1) Conditional
If a month begins with letter M, then it has 31 days.
2) Converse
If a month has 31 days, then it begins with letter M.
3) Inverse
If a month does not begin with the letter M, then it does not have 31 days.
4) Contrapositive
If a month does not have 31 days, then it does not begin with the letter M.
Step-by-step explanation:
1) Conditional
If a month begins with letter M, then it has 31 days.
2) Converse
If a month has 31 days, then it begins with letter M.
3) Inverse
If a month does not begin with the letter M, then it does not have 31 days.
4) Contrapositive
If a month does not have 31 days, then it does not begin with the letter M.
Conditional statement states the original statement. If 'p' , then 'q'
Converse statement switch positions in the original if --then statement. If 'q', then 'p'
Inverse statement states the opposite of the original statement. If not 'p', then not 'q'.
Contrapositive if not 'q' , then not 'q'.
Please answer all questions. I really need help! Thank you
For the quadratic equation:
x^2 + 7x = 8x + 12
The two solutions are:
x = 4
x = -3
How to find the zeros of the quadratic equation?I'm only solving the first question, as it is how the guidelines say.
Here we have the quadratic equation:
x^2 + 7x = 8x + 12
First, we can rewrite this equation as:
x^2 + 7x - 8x - 12 = 0
x^2 - x - 12 = 0.
Using Quadratic formula we can see that the solutions (or zeros of the quadratic) are:
x = (1 ± √( (-1)^2 - 4*1*-12))/(2*1)
x = (1 ± 7)/2
Then the two solutions are:
x = (1 + 7)/2 = 4
x = (1 - 7)/2 = -3
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Find all values for x that will make this expression equal to 0.
3x(x+6)
Answer:
3x(x+6)
=(3x)(x+6)
=(3x)(x)+(3x)(6)
=3x2+18x
Step-by-step explanation:
If Maggie corrected her mistake, what would be the correct answer for x?
correct value of x will 9 if Maggie corrected her mistake.
WHAT IS LINEAR EQUATION ?When the greatest power of the variable is consistently 1, an equation is considered to be linear. A one-degree equation is another name for it. The typical form of a linear equation with one variable is Ax + B = 0. The variables x and A in this situation are variables, whereas B is a constant.
CALCULATIONApplying the parallel line theorem
alternate angles are always equal -
therefore ,
4x + 2 = 7x - 25
27 = 3x
x = 9
so , the correct value of x will be 9 if maggie corrected her mistake
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I honestly forgot about this lol please revive my brain
Given:
[tex]y=4x[/tex]To draw the graph:
Let us find the slope as the ratio.
Comparing the given equation with y=mx+c
So, the slope m=4.
In ratio,
[tex]\frac{\text{Change in y}}{\text{change in x}}=\frac{4}{1}\Rightarrow4\colon1[/tex]Let us take two points, (0,0) and (1,4).
So, the graph is,
Hi, I am taking PSAT and I am working on the math section. I need help with answering this math type of question. Please give the best explanation.
By using the concept of uniform rectilinear motion, the distance surplus of the average race car is equal to 3 / 4 miles. (Right choice: A)
How many more distance does the average race car travels than the average consumer car?
In accordance with the statement, both the average consumer car and the average race car travel at constant speed (v), in miles per hour. The distance traveled by the vehicle (s), in miles, is equal to the product of the speed and time (t), in hours. The distance surplus (s'), in miles, done by the average race car is determined by the following expression:
s' = (v' - v) · t
Where:
v' - Speed of the average race car, in miles per hour.v - Speed of the average consumer car, in miles per hour.t - Time, in hours.Please notice that a hour equal 3600 seconds. If we know that v' = 210 mi / h, v = 120 mi / h and t = 30 / 3600 h, then the distance surplus of the average race car is:
s' = (210 - 120) · (30 / 3600)
s' = 3 / 4 mi
The distance surplus of the average race car is equal to 3 / 4 miles.
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what two numbers multiply to 2400 and add up to -16?
Based on the fact that the two numbers multiply to 2,400 and add up to -16, the numbers are undefined.
How to find the numbers?Assume that one of the numbers is x and the other number is y, the system of equations to represent this is given that the two numbers add up to -16 and multiplying to 2,400:
x + y = -16
xy = 2,400
Expressing y in terms of x :
xy = 2,400
y = 2,400 / x
Solving for x gives:
x + y = -16
x + (2,400 / x) = -16
x = 0
y = 0
The problem given in the question is wrong because the results of x and y are undefined.
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help! last question
Question 1 (1 point)
Simplify the expression and rationalize the denominator.
16x4y8
5z
Answer:
[tex] = \frac{ {4x}^{2} {y}^{4} \sqrt{5z} }{5z} [/tex]
Step-by-step explanation:
[tex] \sqrt{ \frac{16x {}^{4} y {}^{8} }{5z} } \\ = \sqrt{ \frac{16 {x}^{4} y {}^{8} }{ \sqrt{5z \\ } } } \\ = \frac{4 {x}^{2}y {}^{4} }{ \sqrt{5z} } \\ = \frac{ {4x}^{2} y {}^{4} \sqrt{5z} }{5z} [/tex]
Solve 7x − 2(x + 1) = 6x + 14
A. x = −12
B. x = 12
C. x = −16
D. x = 16
I don't know what to do here.
Answer: C, x = -16
Step-by-step explanation:
1. Distribute
7x-2(x+1)=6x+14
7x-2x-2=6x+14
2. Combine like terms
7x-2x-2=6x+14
5x-2=6x+14
3. Add 2 to both sides
5x-2+2=6x+14+2
4. Simplify
Add the numbers
5x=6x+16
5. Subtract 6x from both sides
5x-6x=6x+16-6x
6. Simplify
Combine like terms
-x=16
7. Divide both sides by the same factor
-x/-1=16/-1
8. Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
Graph this.
y=2/3x-4
Answer:
Step-by-step explanation:
Put the left dot on negative 4, and then put the right dot on positive 6.
what is the value of n?
Answer: Sorry for the late answer, I was already answering it by the time someone else answered
Step-by-step explanation:
Since two angles on a straight line add up to 180, I used the angles given to find the adjacent angles to it by subtracting those angles from 180. Then, since the angles of a triangle add up to 180, I used the angles I just solved for to find the angle that is adjacent to n. I did the same thing I did to the first two angles by subtracting it from 180 to find n, which was 69 degrees
PLEASE HELP Which equation is equivalent to -2a + 6b = -8c + 16?
Answer:
a=4c-8+3b
Step-by-step explanation:
does anyone know the answer
Which of the following is equivalent to 2.76?
2.76%
27.6%
two and nineteen twenty fifths
twenty five over nineteen
The equivalent number to 2.76 is the mixed number 2 + 19/25.
Which of the following is equivalent to 2.76?
Here we need to see which option is equivalent to the given number, which is 2.76.
We can rewrite this as a mixed number.
2 + a/b
Such that:
a/b = 0.76
By looking at the options, we can see:
19/25 = 0.76
Then the correct option is:
2 + 19/25
So the third option is the correct one.
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Please help. I would appreciate it! Will mark brainlyest if you remind me and if someone replies just remind me!
In the picture there is a prism with measures. The surface area of prism is 156.
Given that,
In the picture there is a prism with measures.
We have to find the surface area of prism.
The surface area of prism=(2×base area)+(Base perimeter×height)
The base is trapezoid
So, the area of trapezoid is (a+b)/2×h
=(6+12)/2×4
=18/2×4
=9×4
=36
Here base area we got is 36.
Now, we find the perimeter of trapezoid is a+b+c+d
=6+12+5+5
=18+10
=28
Here, base perimeter we got is 28.
Now surface area of prism is
=(2×36)+(28×3)
=72+84
=156
Therefore, the surface area of prism is 156.
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I need help with this assignment
Answer:
8800000 or 88x 10^5
Step-by-step explanation:
4x2200000=8800000
The price of a math textbook can be modeled by the equation:
y = 2x + 76, where x is time in years and y is the price of
the textbook. This equation tells us that the textbook originally
cost $76 and each year the cost went up $2. How many years
will it take for the textbook to cost $100?
Clay is flying a helicopter at an altitude of 400 feet in the air. Jason is diving 200 feet below the surface.
How far apart are Clay and Jason?
Explain how to show the distance between Clay and Jason using absolute value.
Clay and Jason are 600 feet far apart.
When an object goes above the surface, the altitude is measured as +ve and when an object goes below the surface, the altitude is measured as -ve.
Since Clay is flying a helicopter at an altitude of 400 feet in the air,
The Value of altitude of Clay = +400
Since, Jason is diving 200 feet below the surface,
The Value of altitude of Jason = -200
The the distance between Clay and Jason = (The Value of altitude of Clay) - (The Value of altitude of Jason)
= +400 - (-200)
= 400 + 200
= 600 feet
Therefore, the distance between Clay and Jason is 600 feet.
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the associative property holds true for multiplication because -3 x4 x-2 = -3 x 4 x-2 does the associative property hold true for divison of integers
Answer:
Step-by-step explanation:
No it does not hold for division nor subtraction. An example would be 8÷(4÷2)≠(8÷4)÷2. You would get two complete different answers. For the first equation you would get 4 where as for the second equation you would get 1.