One solution: 3x- 5y = 8; 5x - 3y = 2
3x + 2y = 8; 4x +3y = 1
What are types of solution?The points where the lines representing the intersection of two linear equations intersect are referred to as the solution of a linear equation. other words, the set of all feasible values for the variables that satisfy the specified linear equation constitutes the solution set of the system of linear equations.Different Approaches to Solving Linear EquationsThe set of linear equations can have one of three different sorts of solutions. As follows:Unique solutionNo soulutioninfinite Number of Solutionsacc to our question-
One solution:3x- 5y = 8; 5x - 3y = 23x + 2y = 8; 4x +3y = 1No solution:3x - 2y = 3; 6x - 4y = 13x - 4y = 2; 6x - 8y = 1Infinitely solutions:3 x - 6y = 3; 2x - 4y = 2learn more about solutions click here:
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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
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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Please help I don’t understand this
Answer: answer is -1
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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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
HELP ASAP : -7/8= -1/6 - 3/10x enter your question as a mixed number in the simplest form
Answer:
125/36 = 3 17/36
Step-by-step explanation:
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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Evaluate the expression when c= 1/4 and d= 2/4. 3 (1/4 + c) + 2d
The answer of above expression is
5/2
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given,
c=1 / 4 and d=2/4
put the value of c and d in above expression 3(1/4 + c) +2d
3(1/4 + 1/4 ) +2(2/4)
3(2/4) + 1
3(1/2) + 1
(3+2)/2
5/25
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6xy=54
answer and working please
Answer: y=0 x =9/y
Step-by-step explanation:
Lacy uses 1 1/2 cups of flour and 1/2 cup of applesauce for one batch of muffins. She makes 2 1/2 batches of muffins. How many
cups of flour does Lacy use in all?
Find the LCM of 8a²y²z and 56ayz³
Answer: 6
Step-by-step explanation:
Are the ratios 1:2 and 19:20 equivalent?
No, these ratios are not equivalent.
Answer:
No they are not
Step-by-step explanation:
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.
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
If K is between J and L, and JK = 12 and JL = 37, what KL =
Answer: 25
Step-by-step explanation:
Since the total distance of JL is 37, and JK is 12, we can find KL by subtracting JK from JL.
37 - 12 = 25
The sum of JK and KL makes up the distance of JL.
if i get a 100 you get brainliest and a thanks, please help
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:
factor -2.8 out of -16.8m - 11.2
Answer:
I would likely consider the answer is 15.68(3m+2)
But I need more info about the question if so.
If you earn $560 for working 20 hours during the week. How much did you earn
per hour?
$560
$30
$20
$10
9 7 59 families are asked whether they have a cat (C) or a dog (D). 26 only have a cat. 14 only have a dog. 11 have both a cat and a dog. (a) Show this information on the Venn diagram. ● ● E C D (b) (i) How many of the families do not have a cat or a dog? (b)(i) D (ii) Write your answer in the correct place on the Venn diagram. (c) One of the families is chosen at random. Write down the probability that they have a dog.
8 families do not have cat or dog. And the probability of a family having a dog is 0.42
Here Given that,
We have total 59 families.
26 only have cat.
14 only have a dog.
And 11 have both cat and a dog
Now, we will show this information on Venn diagram
for Venn diagram see the attachment.
Now, we can say that 26+14+11=51 families have pets at home.
So, we will find out that how many families do not have cat or dog
So,
we have 59 total families and from 59 families 51 have cat or a dog or both at home.
So,
Families do not have cat or dog = 59-51
Families do not have cat or dog = 8
therefore,
8 families do not have a cat or a dog.
Now, we will choose one family and find out the probability of that family having a dog.
So, we have 59 total families and out of 59 families 14+11= 25 families have a dog at home.
So,
The probability of a family having a dog =(families that have a dog)/(total families)
The probability of a family having a dog =25/59
The probability of a family having a dog =0.42
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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
For questions 18-20, if l Il m, find the values of x and y.
Step-by-step explanation:
18x + 20y= 38
38xy = 38
xy = 38/38
where x and y = 1
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 round fountain has a radius of 86cm. What is the circumstance of the fountain, in meters?
Answer:
The circumference of any circle is 2πr, where r is the radius.
Step-by-step explanation:
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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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:
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
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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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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