The line perpendicular to y=-3x+4 that passes through the point (-3,-7)
Answers
Answer:
Step-by-step explanation:
A perpendicular line will have a sope that is the negative inverse of the reference line. The reference line is y = -3 + 4, with a slope of -3. The negative inverse would be -(-1/3) or (1/3).
The new line will take the form of y = (1/3)x + b, where b is the y-intercept (the value of y when x=0). We want the new line to go through point (-3,-7). We;ll need a value of b that will make that happen. To find b, enter the given data point and solve for b:
y = (1/3)x + b for (-3,-7).
-7 = (1/3)(-3) + b
-7 = -1 + b
b = -6
The new equation is y = (1/3)x - 6
See the attached graph.
Related Questions
PLEASE HELP ASAP GIVING 20
Answers
Answer:
I agree with your answer.
Step-by-step explanation:
7+3(p-1)=64 how to solve
Answers
Answer:
p = 20
Step-by-step explanation:
7 + 3(p - 1) = 64 ( subtract 7 from both sides )
3(p - 1) = 57 ( divide both sides by 3 )
p - 1 = 19 ( add 1 to both sides )
p = 20
the length and width of a rectangle are consecutive integers. the area of the rectangle is 210 square meters. find the length and width of the rectangle
Answers
The length and the width of the rectangle are 14 and 15 meters, respectively
How to determine the dimension of the rectangle?From the question, the statement is given as
Length and width are consecutive integers
Where
Area = 210 square feet
Represent the dimensions with x and y
Where Length = x and Width = y
And also, we have
y = x + 1
The area of a rectangle is
Area = Length x width
Mathematically, this can be represented as
Area = x * y
So, we have
x * y = 210
Substitute y = x + 1 in x * y = 210
x * (x + 1) = 210
Express 210 as 14 * 15
x * (x + 1) = 14 * 15
This means that
x = 14
Substitute x = 14 in y = x + 1
y = 14 + 1
Evaluate
y = 15
So, we have
x = 14 and y = 15
Hence, the length and the width are 14 and 15 meters
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Please help ASAP starting to fall behind! This equation really confuses me and if someone could help that would be amazing!
Given the function:
f(x) = x² - 4x - 2
Find the following values.
a) f(2)
f(2)=
b) f(4)
f(4)=
c) f(-3)
f(-3)=
Answers
f(4) = 4^2 - 4*4 - 2 = 16 - 16 - 2 = -2
f(-3) = (-3)^2 - 4*-3 - 2 = 9 + 12 - 2 = 19
Evaluate the given expression.
10 C4 4C2
a.
1,260
C.
1,275
b.
1,278
d.
1,270
Answers
The value of an expression using combinations ¹⁰C₄ ⁴C₂ is 1260.
What is the combination?The combination is a mathematical method for counting the number of potential configurations in a set of elements when the order of the selection is irrelevant.The formula for finding the combination of any given expression is given:
ⁿCr =(n!)/(r!(n*r)!)So,
¹⁰C₄ ⁴C₂¹⁰C₄ = 10! /(4!(10-4)!)¹⁰C₄ = 10! /(4!)*6!¹⁰C₄ = (10*9*8*7*6*5*4*3*2*1)/(4*3*2*1*6*5*4*3*2*1)¹⁰C₄ = 210Then,
4C2 = 4! /(2!(4-2)!)4C2 = 4*3*2*1) /(2*1*2*1)4C2 = 6¹⁰C₄ ⁴C₂ = 210*6 ¹⁰C₄ ⁴C₂ =1260Therefore, the value of an expression using combinations ¹⁰C₄ ⁴C₂ is 1260.
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Avery is in the business of manufacturing phones. She must pay a daily fixed cost to rent the building and equipment, and also pays a cost per phone produced for materials and labor. The labor and materials cost $100 for each phone manufactured, and the total cost of producing 3 phones in a day would be $600. Write an equation for C, in terms of p, representing total cost, in dollars, of producing pp phones in a given day.
Answers
If Avery is in the business of manufacturing phones. The equation for C, in terms of p, representing total cost, in dollars, of producing pp phones in a given day is: 100p + 300.
Determining the equation for total costGiven data:
Labor and materials cost = $100
Numbers of phones = 3
Total cost = $600
Where,
P = Total cost
The equation for C in terms of p is:
100p + 300
Now let determine the total cost
Total cost = $600 + ( 3 × $100)
Total cost = $600 $300
Total cost =$600
Therefore 100p + 300 is the equation.
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Given f(x) = -x - 2, find f(-6).
Answers
Answer:
f( -6) = 4
Step-by-step explanation:
f(x) = -x -2 You will replace x with -6
f(-6) - -(-6) -2
f(-6) = 6 - 2
f(-6) = 4
HELPPppppp PLS AOUHF
Answers
As per the given three coordinate of the triangle, the area of the triangle is 9.5 square units.
Area of triangle:
In the triangle ABC as with vertices or coordinates are A(x1, y1), B(x2, y2), and C(x3, y3), has the area,
Area(ΔABC) = (1/2){x1(y2 − y3) + x2(y3 − y1) + x3(y1 − y2)}
As the area is always positive.
Given,
Here we have the triangle VWX,
And their coordinates are V (-9,-7), W(-4,-5), and X(-6,-2).
Now we have to find the area of the triangle.
To find the area of the triangle, let us consider the coordinates (x1,y1) as v(-9,-7), (x2,y2) as W(-4,-5) and (x3,y3) as X(-6,-2).
Now, we have to apply the values on the formula, in order to get the area of the triangle,
=> A = 1/2 |(-9 [-5-(-2)] + (-4)[-2 - (-7)] + (-6)[-7 - (-5)]|
When we expand the terms, then we get,
=> A = 1/2 |(-9)[-3] + (-4)[5] + (-6)[-2]|
Further simplify the expression will gives you the following,
=> A = 1/2 |27 - 20 + 12|
=> A = 1/2 |19|
Therefore, the area of the triangle is 9.5 square units.
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P(x) = -0.3x² + 75x - 2000, where x represents the selling price.
1. At what price should the stands be sold to earn the maximum profit?
2. According to the function given, what is the maximum profit that the company can make?
3. What are the break-even points (the selling prices for which the profit is 0)? Give the answer to the nearest cent.
Answers
Answer:
Below in bold.
Step-by-step explanation:
P(x) = -0.3x² + 75x - 2000
Convert this to vertex form:
p(x) = -0.3(x^2 - 250)^2 - 2000
= -0.3[(x - 125)^2 - 125^2] - 2000
= -0.3[(x - 125)^2 - 15625] - 2000
= -0.3(x - 125)^2 + 4687.5 - 2000
= -0.3(x - 125)^2 + 2687.5
2687.5 is the maximum value of the profit.
1. This corresponds to a selling price of $125 for the stands.
2. Maximum profit is $2687.5.
3. At the breaking points P(x) = 0:
-0.3(x - 125)^2 + 2687.5 = 0
(x - 125)^2 = 2687.5 / -0.3 = 8958.33
x - 125 = +/- sqrt( 8958.33)
x = 125 +/- sqrt( 8958.33)
x = 30.352, 219.648,
So, the breaking even points are $30.35 and $219.65 to nearest cent.
A public storage company charges new customers an initial fee of $35.00. Each month of storage costs $18.75. The company uses the formula T = 35.00 + 18.75m to calculate the total charges, where T is the total charges, and m is the number of months of storage. How many months of storage would cost a new customer $260.00?
Answers
Answer:
12 months
Explanation:
Given the function that models the total chacrge of a company as T = 35.00 + 18.75m where;
T is the total charges,
m is the number of months of storage
Given
T = $260.00
we are to find the value of m
Substitute
260 = 35 + 18.75m
18.75m = 260 - 35
18.75m = 225
m = 225/18.75
m = 12
Hence it will take 12 months to cost a new custimer $260.00
A ball is thrown straight down from the top of a 300-ft building with an initial velocity of -12 ft per second.
The position function is s(t) = -16t² +vot+so. What is the velocity of the ball after 4 seconds?
Answers
Answer:
Below in bold.
Step-by-step explanation:
s(t) = -16t² - 12t + 300
v(t) = ds/ dt = -32t - 12
At time t:
velocity = -32(4) - 12 = -140 ft/s.
I understand the answer to simplifying it, i want a mathematical expression of the method of simplifying to know how to show my work
Answers
Answer:
This is how I would approach it
Step-by-step explanation:
find angle x giving your answer to one decimal place
Answers
⇒I will use the trig ratios to find the value x.
[tex]\frac{sin(x)}{11cm}=\frac{sin( 38)}{8} \\[/tex]
⇒Moving on solving I will use the cross multiplication
[tex]8sin(x)=11sin(38)\\sin(x)=\frac{11sin(38)}{8} \\x=sin^{-1} (\frac{11sin(38)}{8} )\\x=57,8[/tex]
∴ x=57,8°
Goodluck!!
What is (3 x 10^7) (3 x 10^8)?
Answers
[tex] = 3 \times 3 \times {10}^{7} \times 10^{8} \\ = 9 \times {10}^{7 + 8} \\ = 9 \times {10}^{15} \\ [/tex]
NOTE YOU CAN WRITE IT IN FULL BUT I CHOSE NOT TO BECAUSE IT'S LARGE .
GOODLUCK
10m +6 < 76 or -6 - 10m s≤ -86
Answers
Answer:
m < 7 or m ≥ 8Step-by-step explanation:
Given system10m + 6 < 76 or- 6 - 10m ≤ - 86Solve each inequality:
10m + 6 < 7610m < 76 - 610m < 70m < 7or
- 6 - 10m ≤ - 86- 10m ≤ - 86 + 6- 10m ≤ - 80m ≥ 8The answer is: m < 7 or m ≥ 8
Use the order of operations to find the value of the expression.12÷2*3-(7-5)O A.0O B.6O C.16O D.19
Answers
Given:
given expression is
[tex]12\div2\ast3-(7-5)[/tex]Find:
The main objective is to evaluate the expression.
Explanation:
we will use BoDMAS formula for evaluating the expression.
[tex]\begin{gathered} 12\div2\ast3-(7-5)=12\div2\ast3-2 \\ =6\ast3-2 \\ =18-2 \\ =16 \end{gathered}[/tex]Conclusion:
Therefore, correct option is C.16
I need help with these asap
1) What is the equation of the line through the points (1,1), (5,4), (9,7), and (13,10)
A) y = 4/3 x + 1/3
B) y = 4/3 x - 1/3
C) y = 3/4 x + 1/4
D) y = 3/4 x - 1/4
2) Image
Answers
1st question (the image):
y= -5/4x + 3/2
how to solve:
y=mx+b
b: where the line meets the y axis
3/2 is 1.5 which matches up perfectly with the graph
m: the direction of the slope
If you look where the line matches with a point and you go down -5 and go right 4 it matches up and thats why m = -5/4
2nd question (the text):
C) y = 3/4 x + 1/4
how to solve
draw a graph (up above)
y:mx+b
to find m: rise/run
find the first point (1,1) you have to go 3 points up and 4 points right to get to the next point
(5,4) and thats why m=3/4
b: where the link hits the y axis compare the answers and the graph and find the most resonable one... which is 1/4
A way to write a fraction as an equivalent fraction that contains no common factors is _________ form.
Answers
Answer:
simplest form.
Step-by-step explanation:
Anjelah took a hike.She finished in 2 hours and 47 minutes.If she started at 10:15 A.M.,what time did she finish?
Answers
Anjelah finished at 1:02 P.M. if she started at 10:15 A.M. and she took 2 hours and 47 minutes to complete it.
According to the question,
We have the following information:
Anjelah finished in 2 hours and 47 minutes.
She started at 10:15 A.M.
Now, we know that there are 60 minutes in an hour (more to know: there are 60 seconds in a minute).
So, we will add 2 hours to 10:15 A.M.:
10:15 + 2:00
12:15 P.M.
(Note that the digits before the colon gives us time in hours and the digits after the colon gives us minutes.)
Now, we will add 47 minutes to it:
12:15 + 0:47
(Now, we know that only 45 minutes can be added to 15 minutes because then it will make an hour. So, 2 more minutes will be added to the next hour.)
So, we have the following expression:
1:02 P.M.
Hence, the time when Anjelah will finish is 1:02 P.M.
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A ball, dropped vertically falls d metres in t seconds
d is directly proportional to the square of t
The ball drops 125 metres in the first 5 seconds
How far does the ball drop in nthe next 9 seconds?
Answers
The distance covered in the next 9 seconds is 405 meters
How to determine the distance coveredThe variation statement is given as
d is directly proportional to the square of t
This means that
d = kt²
Where k represents the constant of variation
Using the parameters in the question, we have
When d = 125, t = 5
Substitute d = 125, t = 5 in d = kt²
This gives
125 = k x 5²
Evaluate
k = 5
So, we have
d = 5t²
After 9 seconds, we have
t = 9
Substitute t = 9 in d = 5t²
Here, we have
d = 5 x 9²
This gives
d = 405
Hence, the distance is 405 meters
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A population grows according to an exponential growth model. The initial population is P0=9, and the growth rate isr=0.4.Then:P1 = P2 = Find an explicit formula for Pn. Your formula should involve NPn = Use your formula to find P9=Give all answers accurate to at least one decimal place
Answers
Answer:
From the question,
[tex]\begin{gathered} P_0=9 \\ r=0.4 \end{gathered}[/tex]The formula for the growth rate will be calculated using the formula below
[tex]\begin{gathered} F=P(1+r)^n \\ F=\text{future value} \\ P=present\text{ value} \\ r=\text{growth rate} \\ n=nu\text{mber of times per period} \end{gathered}[/tex]In,
[tex]\begin{gathered} P_0,n=0 \\ P_1,n=1 \\ P_2,n=2 \\ P_9,n=9 \end{gathered}[/tex]Given that
[tex]\begin{gathered} P_0=9 \\ F=P(1+r)^n \\ P_0=9(1+0.4)^0 \\ P_0=9\times1 \\ P_0=9 \end{gathered}[/tex][tex]\begin{gathered} F=P(1+r)^n \\ P_1=9(1+0.4)^1 \\ P_1=9\times1.4 \\ P_1=12.6 \end{gathered}[/tex]Hence,
P1 = 12.6
Also, we will have P2 to be
[tex]\begin{gathered} F=P(1+r)^n \\ P_2=9(1+0.4)^2 \\ P_2=9\times1.4^2 \\ P_2=17.64 \\ P_2\approx1\text{ decimal place} \\ P_2=17.6 \end{gathered}[/tex]Hence,
P2 = 17.6
Therefore,
The formula for Pn will be represented below as
[tex]\begin{gathered} P_n=9(1+0.4)^n \\ P_n=9(1.4)^n \end{gathered}[/tex]The explicit formula for Pn will be
[tex]P_n=9(1.4)^n[/tex]To figure out the values of P9. we will substitute the value of n=9 in the equation below
[tex]\begin{gathered} P_n=9(1.4)^n \\ P_9=9(1.4)^9 \\ P_9=185.9 \end{gathered}[/tex]Hence,
P9 = 185.9
Dog food comes in two different sized bags. The 40 lb bag sells for $24 while the 10 lb
bag sells for $7. Which is cheaper and by how much? (compare unit rates)
Answers
Answer:
The 40 lb bag is cheaper by $4
Step-by-step explanation:
10 x 4 = 40
7 x 4 = 28
If you bought the 10 lb bag 4 times, you'd spend more money than just buying the 40 lb bag once.
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There are 4,000 books in the town's library. of these, 2600 are fiction. write a percent equation that you can use to find the percentage of books that are fiction. then solve your equation.
Answers
The percent equation is = 2600/ 4000 × 100/1
The percentage of books that are fiction is 65%
What is percentage?Percentage can be described as the ratio, quotient or number that is being expressed as a fraction of 100.
It is also described as the given part or amount in every hundred.
It is expressed as a fraction with 100 as the denominator of the fraction
It is represented with the symbol "%".
Given the information ;
Total number = 4000 books
Fiction books = 2600
The percentage is represented as;
= 2600/ 4000 × 100/1
Find the ratio
= 0. 65 × 100/1
Multiply through
= 65%
Hence, the value is 65%
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What is the volume of the diagram below?
Answers
Answer: 11 units^2
Step-by-step explanation: count the blocks
For a diving event, the highest and the lowest of seven scores are discarded. Next, the total of the remaining scores is multiplied by the degree of difficulty of the dive. That value is then multiplied by 0.6 to determine the final score. Find the final score for the dive.
A drawing of a score board of the event, 3-meter springboard. It shows the scores of the 7 judges as Judge 1, 80; judge 2, 75; judge 3, 90; judge 4, 70; judge 5, 80; judge 6, 85; judge 7, 75. The difficulty level is marked as 3.1.
Answers
Answer: 734.7
Step-by-step explanation:
We get rid of 90 and 70 since they are the highest and lowest scores.
80+75+80+85+75 = 395
395 * 3.1 = 1224.5
1224.5*0.6 = 734.7
The cost of entering a carnival and riding rides is given by the linear equation, c(r) = 1.25r + 6.00, where c(r) is the total cost of attending the carnival and r is the number of rides. the slope of the linear equation represents the response area .
Answers
Answer: Cost per rides
Step-by-step explanation:
An online furniture store sells chairs and tables. Each day, the store can ship no more than 19 pieces of furniture. Write an inequality that could represent the possible values for the number of tables sold, t, and the number of chairs sold, c, that would satisfy the constraint.
Answers
An inequality that could represent the possible values for the number of tables sold, t, and the number of chairs sold, c, that would satisfy the constraint is (c + t) ≤ 19
In this question, we have been given the online furniture store can ship not more than 19 pieces of chairs and tables each day.
If the possible number of chairs they can ship each day is represented by c and the possible number of tables they can ship each day is represented by t, then the inequality equation can be written as
(c + t) ≤ 19
Therefore, an inequality that could represent the possible values for the number of tables sold, t, and the number of chairs sold, c, that would satisfy the constraint is (c + t) ≤ 19
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El precio de los boletos para un partido de fútbol es de $19 pesos. Si en total caben 26,472 personas en el estadio, calcula la cantidad aproximada de dinero que se obtiene de la venta de los boletos.
Answers
La ganancia aproximada del estadio por concepto de la venta de boletos para un partido de fútbol es $ 502,968.
¿Cuál es la ganancia neta aproximada por la venta de boletos?
En esta pregunta se nos solicita determinar la ganancia aproximada por la venta de boletos para un partido de fútbol en un estadio. La ganancia aproximada es igual al producto del aforo del estadio y el costo de cada boleto. Entonces,
c = ($ 19) · (26,472)
c = $ 502,968
La ganancia aproximada por el partido de fútbol es $ 502,968.
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HELP ME PLEASE ASAP!!!
2. Use the space provide to respond to each statement concerning the given graph of a radical function.
a.) State the domain of the function.
b.) State the range of the function.
c.) Identify the end behavior of the function.
d.) Identify the y – intercept. Write as an ordered pair.
e.) Explain how you know this function is increasing?
Answers
Part a
The domain is the set of x-values, which is [tex](-\infty, \infty)[/tex].
Part b
The range is the set of y-values, which is [tex](-\infty, \infty)[/tex].
Part c
As [tex]x \to \infty[/tex], [tex]y \to \infty[/tex], and as [tex]x \to -\infty[/tex], [tex]y \to -\infty[/tex].
Part d
The y-intercept is when x=0, which is [tex](0, 1)[/tex].
Part e
The function is increasing when y increases as x increases, which is true for this function.
the vertex of the function shown below is located at?
Answers
Given the graph of the parabola
AS shown in the figure
The coordinate of the vertex is the point (2.5, 2.25)
so, the answer will be:
the vertex of the function shown below is located at (2.5, 2.25)