A video treating company offers two monthly plans. Plan A: 3$ per video viewed, plus a flat rate of 8$ per month.
Plan B: 5$ per video viewed and no additional flat rate. Write an inequality to determine when the cost of viewing n videos using Plan A is less then the cost of viewing n videos using plan B.
Inequality:
Plan A is less expensive when:
The inequality to determine when the cost of viewing n videos using
plan A is less than the cost of viewing n videos using plan B.
8 + 3n < 5n
Plan A is less expensive when n is greater than 2.
What is inequality?It shows a relationship between two numbers or two expressions.
There are commonly used four inequalities:
Less than = <
Greater than = >
Less than and equal = ≤
Greater than and equal = ≥
We have,
Two monthly plans:
Plan A:
Cost per video = $3
Flat rate per month = $8
Plan B:
Cost per view = $5
Flat rate = zero
The inequality to determine when the cost of viewing n videos using
plan A is less than the cost of viewing n videos using plan B.
8 + 3n < 5n
Solving for n.
8 < 5n - 3n
8 < 2n
8/4 < n
n > 2
This means when n is greater than 2 we get,
The cost of viewing n videos using plan A is less than the cost of viewing n videos using plan B.
Thus,
The inequality to determine when the cost of viewing n videos using
plan A is less than the cost of viewing n videos using plan B.
8 + 3n < 5n
Plan A is less expensive when n is greater than 2.
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Which ordered pair is a solution to the linear equation: 2x+3y=6?
2x-3y=6
Intercepts
x= 3
y= 2
ordered pairs: (6,2) (1.2,-1.2)
The equation of line s is y=1/3x-3. The equation of line t is y=-x+5. The equations of line s and t form a system of equations. The solution to the system of equations is located at point P. Which graph correctly shows line s, line t, and point P?
The graph A is correctly shows for the line s, line t, and point P.
What is linear expression?
A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.
Given that;
The equation of line for s,
⇒ y = 1/3x - 3
And, The equation of line for t,
⇒ y = - x + 5
Now,
Solve the both equation of line for the solution as;
Since, The equation of line for s,
⇒ y = 1/3x - 3
And, The equation of line for t,
⇒ y = - x + 5
Equate both equation, we get;
⇒ 1/3x - 3 = - x + 5
⇒ 1/3x + x = 5 + 3
⇒ 4/3x = 8
⇒ x = 8 × 3 / 4
⇒ x = 2 × 3
⇒ x = 6
And, ⇒ y = - x + 5
⇒ y = - 6 + 5
⇒ y = - 1
Thus, The solution of the lines is;
Point P = (6, - 1)
Clearly, The graph A is correctly shows for the line s, line t, and point P.
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HELP ME: Rewrite _____ using a common factor. (Screenshot with question and answers below)
Rewritten equation using a common factor is (1) [tex]\frac{1}{4}xy(x^{2} +3y)[/tex].
Given equation,
[tex]\frac{1}{4}x^{3}y+\frac{3}{4}xy^{2}[/tex]
Taking [tex]\frac{1}{4}xy[/tex] common,
[tex]\frac{1}{4}xy(x^{2} +3y)[/tex]
Hence, the equation.
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if i get a 100 you get brainliest and a thanks, please help
Which equation is the standard form of -8x + 3x² = -19?
8r 32² 19 0
The standard form of the equation -8x + 3x² = -19 is 3x² - 8x + 19 = 0.
How to write equation in standard form?The standard form of quadratic equation is ax² + bx + c = 0, where 'a' is the leading coefficient and it is a non-zero real number.
The standard form of quadratic equation with a variable x is of the form ax² + bx + c = 0, where a ≠ 0, and a, b, and c are real numbers.
Therefore, a, b and c are constant and x are the variables.
Let's represent the quadratic equation in standard form.
-8x + 3x² = -19
using the format ax² + bx + c = 0,
3x² - 8x + 19 = 0
where
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Graph the equation using the point and the slope.
y-5=1/3(x-1)
Easier to have it in the form
y=mx+c
y =x/3 + 14/3
Unfortunately not whole numbers so it won't go perfect through the edges of the boxes
Then you just make some x and y values yourself
Good starting point is 0 for both
ie when x is 0 then y =14/3
when y = 0 then x = -14
Which is off the graph in this case.
But using that idea if you pick an x or y value yourself you should be able to calculate its corresponding value.
You technically only need 2 sets of coordinates as it is a straight line but if you calculate more you can guarantee your line is correct
Write an equation in standard form of the line that passes through (4, -1) and has the slope m = 3.
An equation in standard form is __ = -13
standard form for a linear equation means
• all coefficients must be integers, no fractions
• only the constant on the right-hand-side
• all variables on the left-hand-side, sorted
• "x" must not have a negative coefficient
[tex](\stackrel{x_1}{4}~,~\stackrel{y_1}{-1})\hspace{10em} \stackrel{slope}{m} ~=~ 3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-1)}=\stackrel{m}{ 3}(x-\stackrel{x_1}{4}) \implies y +1= 3 (x -4) \\\\\\ y+1=3x-12\implies y=3x-13\implies \underline{-3x+y=-13}\implies 3x-y=13[/tex]
now, notice, the equation should have a positivized "x" term, however the material is suggesting "incorrectly" the one that's underlined.
For science class, Joan watches a bird as it moves up
and down in a tree over time. You could make a
graph to represent the relationship between the
bird's height off the ground and time. If you made a
graph, what variable would you put on each axis?
Explain your answers.
Independent (x-axis) variable:
Dependent (y-axis) variable:
1
Answer:
Step-by-step explanation:
Determine the y-intercept of the line
11x - 8y = 22
Answer:
- 2.75 or - 2 [tex]\frac{3}{4}[/tex]
Step-by-step explanation:
Put in zero for x to solve for y
11x -8y = 22
11(0) -8y = 22
-8y = 22 Divide both sides by -8
y = -2.75
(0, -2.75)
Answer:
[tex]-\frac{22}{8}[/tex] or [tex]- \frac{11}{4}[/tex] in mixed number form, [tex]-2\frac{3}{4}[/tex] simplified
Step-by-step explanation:
Minus 11x from 11x and 22.
You will then get -8y=11x+22.
Divide all the numbers by -8y.
You will get y=-11/8x-22/8
So the y-intercept is -22/8 or -11/4
I hope I got this right
Rachel paid 46 in tax for the money he earned a a camp counelor. How much money did rachel earn
Rachel earned an amount of $ 920
Given in the question,
5% × n = $46
5/100 × n = $46
0.05 × n =$46
0.05/0.05 × n = 46/0.05
Hence the amount is n = $920
Income that is earned comes under total earnings after taxes are deducted which one has already paid. Some of the income which is earned can include union strike benefits, specific retirement pensions, and long-term disability benefits. An expense that is removed or subtracted from the income of the person who is paying the taxes in order to lower the income which is earned by the person so that it is subjected to lower tax subtraction is known as deduction.
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Find the gradient of the line segment between the points (-8,6) and (-10,14).
Answer:
-4
Step-by-step explanation:
gradient = (y_2 - y_1)/(x_2 - x_1)
gradient = (14 - 6)/(-10 - (-8)) = 8/(-2) = -4
Geometry B
Spheres
The volume of a sphere is given by the following formula:
V =
4
3
V = = πr³
3
Page #6
Example Cros
What is the volume of the sphere in the diagram?
Find the volume of the sphere by entering the given radius into
the volume formula for a sphere.
4
V=X π X 3³
V = __________π cubic units
PEH
13
The volume of sphere in the diagram by entering the given radius into the volume formula is 36π cubic units.
Given that the volume of sphere is (4/3)×π×r³ and the radius is 3 units.
We want to the find the volume of sphere.
As we are given that the radius is 3 units and the volume of the sphere is (4/3)πr³.
So, firstly, we will substitute the value r=3 in the above formula, we get
V=(4/3)×π×(3)³
Now, we will simplify the above expression, we get
V=4π×9
V=36π cubic units
Hence, the volume of the sphere by entering the given radius into the volume formula for a sphere is 36π cubic units.
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a survey of athletes at a high school is conducted, and the following facts are discovered: 51% of the athletes are football players, 43% are basketball players, and 1% of the athletes play both football and basketball. an athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player?
The probability that the athlete is either a football player or a basketball player is 93%.
What is probability?
The likelihood that something will occur is the foundation of it. The justification for probability serves as the basic foundation for theoretical probability. A coin is tossed, for instance, and the theoretical likelihood of receiving a head is 1 in 2.Football players= 51%
Basketball players= 43%
Both football and basketball= 1%
Probability = Football players + Basketball players
- Both football and basketball
Probability= 51% + 43% - 1%
Probability= 93%
Inconclusion The probability that the athlete is either a football player or a basketball player is 93%.
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What is the solution to –2|2.2x – 3.3| = –6.6?
x = –3
x = 3
x = –3 or x = 0
x = 0 or x = 3
Answer:
D
Step-by-step explanation:
The position, d, in metres of an object in motion as it travels is given by:
d=(t+1)(t + 0.5)
t is the time in seconds.
this is an equation of motion.
by looking at it, we can learn about how the object started moving.
first, expand the brackets.
(answer here which i don't know and i'm confused about)
the initial velocity is the coefficient of the t term.
what is the initial velocity?
(answer here which i don't know and i'm confused about)
Answer:
i need help in german its really inportain
what is 5.37 divied by 3 equals explain your answer
The answer is 1.79.
What is division?Division is breaking a number up into an equal number of parts.
Given that, 5.37 divided by 3
5.37÷3 = 1.79
Hence, 5.37 divided by 3 equals to 1.79.
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Jimmy i eating andwiche at a contant rate the number of andwiche y that he can eat in a hour x i repreented by the linear equation y = 8x how many andwiche doe jimmy eat in 1 hour? 2 hour? 3 hour?
Jimmy ate 8 , 16 , 24 sandwiches in 1 , 2 and 3 hours respectively .
To find : the no . of sandwiches Jimmy eat in 1 hour , 2 hour and 3 hours .
Given : y = the no . of sandwiches Jimmy can eat
x = no . of hours he take in eating
Relation : y = 8 x
( i ) No . of sandwiches eaten by Jimmy in 1 hour
x = 1
y = ( 8 * 1 )
y = 8
( ii ) No . of sandwiches eaten by Jimmy in 2 hours
x = 2
y = ( 8 * 2 )
y = 16
( iii ) No . of sandwiches eaten by Jimmy in 3 hours
x = 3
y = ( 8 * 3 )
y = 24
Hence , Jimmy ate 8 , 16 , 24 sandwiches in 1 , 2 and 3 hours respectively .
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What value of x is in the solution set of the inequality 9 2x 1 9x 18?.
The value of x in the solution set of the inequality 9(2x+1) < 9x-18 is
x <-3.
Given inequality:
9(2x+1) < 9x-18
simplifying
9*2x + 9*1 < 9x - 18
18*x + 9 < 9x - 18
18x + 9 < 9x - 18
combining the like terms
18x - 9x + 9 < -18
9x + 9 < -18
combining the constants
9x < -18-9
9x < -27
divide by 9 on both sides
9x/9 < -27/9
x < -27/9
x < -3
Therefore the value of x in the solution set of the inequality 9(2x+1) < 9x-18 is x <-3.
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Find the equation of the straight line passing through each of the following pairs of points.
( 11, 13) and ( 14, 19)
The equation of the line is, y = 2x - 9.
What is the point slope form of the equation of line?
The general form of a linear equation is y-y1=m(x-x1). It draws attention to the line's slope and one of the line's points (that is not the y-intercept).
Consider, the given two points, (11, 13) and (14, 19).
First to find the slope of the line, using the given two points,
[tex]m = \frac{y_2-y_1}{x_2 -x_1}[/tex]
[tex]m = \frac{19-13}{14-11} = \frac{6}{2} =2[/tex]
Therefore, the slope of the line is, 2.
Now to find the equation of line.
Consider, the point - slope form of the line,
[tex]y-y_1=m(x-x_1)[/tex] ..(1)
where, [tex](x_1, y_1)[/tex] is one of the given point and m is the slope of the line.
Here, [tex](x_1, y_1) = (11, 13), m = 2[/tex]
Substitute the values in the equation (1).
[tex]y-13=2(x-11)\\y-13=2x-22\\y=2x-22+13\\y=2x-9[/tex]
Therefore, the equation of line is, [tex]y=2x-9[/tex].
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Jennine estimates that each step she takes is 18" long and that she takes 1550 steps
per block. How many blocks must she walk if she wants to walk 5 miles?
Answer: Jennine must walk 11.36 blocks.
Step-by-step explanation:
Since each step is 18" long and she takes 1550 steps per block, a block must equal to 1550*18", or 27,900".
27,900" is roughly 0.44 miles.
Therefore 5mi. /0.44mi. = ~11.36 blocks
Nine lemons cost $4.
Use the table to determine how many lemons can be bought for $20
Lemons 9 18 27 36 ?
Cost $4 $8 $12 $16 $20
Answer:
45 lemons can be bought with $20
Step-by-step explanation:
+9 +9 +9 +9 +9
Lemons 9 18 27 36 x
Cost $4 $8 $12 $16 $20
+4 +4 +4 +4 +4
Q.62 Help mee please
Answer:
4-1=3
5(4-1) 15
2(4)-2(1) 6
1-4 -3
Step-by-step explanation:
here you go...
please mark brainliest
Answer:
Step-by-step explanation:
a) :x-y=3(a) 5(x-y) = 5×3 =15
:. 5(x-y)=15
b) 2x-2y = 2(x-y)
2(3) =2*3=6
:. 2x-2y=6
c) y-x = -(x-y)
-(x-y) = -(3).
:. y-x=-3
you are grilling burgers for a party that will have 120 guests. you believe that a guest might need 0, 1, or 2 burgers with probabilities 0.2, 0.7, and 0.1, respectively. you assume that the number of burgers each guest needs is independent from other guests. how many burgers should you make so that you are 95% sure there will be enough?
118 lies in this interval , so that i should make 118 burgers with 95% sure .
What is statistics ?Statistics, originally "description of states, countries") is the field dealing with the collection, organization, analysis, interpretation and presentation of data. When applying statistics to scientific, industrial, or social problems, it is common to start with a statistical population or model under study. A population can be various groups of people or things such as: For example, "everyone living in that country" or "all atoms that make up a crystal". Statistics deals with all aspects of data, including the planning of data collection with a view to designing surveys and experiments.
Calculationthe calculation part has been attached below as it was difficult to write that here
∴ 118 lies in this interval , so that i should make 118 burgers with 95% sure
108 also lies in the interval but it is just expected value , if we think about the whole interval answer should be 118 .
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Are the lines perpendicular? y=x+3 and x+y=6
A. Yes, their slopes are negative reciprocals
B. No, their slopes are not negative reciprocals
Hynix is comparing two numbers.He knows the larger number is twice the value of 4 more than the smaller number X. He also knows their difference is 11. Which equation can he use to find the value of the smaller number X
The equation that he can use to find the value of the smaller is 8+2x = y and y-x = 11 where y is the larger number.
According to the question,
We have the following information:
Hynix is comparing two numbers. He knows the larger number is twice the value of 4 more than the smaller number X. He also knows their difference is 11.
Now, let's take the larger number to be y.
So, we have:
y = 2(4+x)
y = 8+2x
y-x = 11 ....(2)
Putting the value of y from above equation:
8+2x-x = 11
8+x = 11
x = 11-8
x = 3
Now, putting the value of x in equation 2:
y-3 = 11
y = 11+3
y = 14
Hence, the equation that he can use to find the value of the smaller is 8+2x = y and y-x = 11 where y is the larger number and the value of x is 3 and that of y is 14.
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David bought 5 of the ame ize pumpkin at the pumpkin patch for $33. 75. How much money would it be for David to buy 2 more of the ame pumpkin?
David requires $13.5 to buy 2 more pumpkins.
Firstly calculating the cost of one pumpkin and then calculating the desired answer.
Cost of one pumpkin = total cost ÷ number of pumpkins
Keep the values in formula to find the cost of one pumpkin
Cost of one pumpkin = 33.75 ÷ 5
Performing division on Right Hand Side of the equation
Cost of one pumpkin = $6.75
Now, the amount required to buy 2 more pumpkins = 2 × 6.75
Performing multiplication on Right Hand Side of the equation
The amount required = $13.5
Thus, the amount required by David is $13.5.
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Look at this set of ordered pairs:
(0, 0)
(0, -19)
(-8, 0)
Is this relation a function?
yes
no
Lou and Jacob sold 200 pieces of jewelry. If 20% of Lou's sales were rings, and Jacob sold 35 rings, who sold more rings? How many more?
A. Jacob sold 5 more rings than Lou
B. Lou sold 5% more rings than Jacob
C. Jacob sold 5% more rings than Lou
D. Lou sold 5 more rings than Jacob
Show workk!!
Answer:
below
Step-by-step explanation
If they EACH sold 200 pieces
then Lou sold 200 x 20% = 200 x .20 = 40 rings which is 5 more than Jacob
if records indicate that 2 houses out of 1000 are expected to be damaged by fire in any year, what is the probability that a woman who owns 14 houses will have fire damage in 1 of them in a year? (round your answer to five decimal places.)
Given that there will be 14 fires in a year, there will be an expected number of fires. There are more than 1000 points available in this question. We must determine the probability that a woman owned.
In a year, a fire will harm one in 12 homes. That is, given if n is equal to 12 and that the value of x is equal to 1, the probability of x being equal to 1 is also equal to 1. Hence, due to fire damage. We discovered that the probability value p equals 0.014, and we are aware that, in general, binomial probability, or the probability that x equals x, is equal to c x, p to the power of x times q to the power of n minus x. Substituting all of these values into the formula, where q = 1 - p, gives us the value of 12 c 1, or 0.014. The total power of 1 for q is 1 minus p, or 1 minus 0.014. 11 points is the power of 12 as a whole less 1. The result of simplification is 0.143865, so Therefore, we have determined that the likelihood of one out of every twelve homes experiencing fire damage is 0.143865 percent.
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