11) show all ur equation steps ​

11) Show All Ur Equation Steps

Answers

Answer 1

The number of solutions that the system has is

One Solution

How do we solve the equations?

To solve the system algebraically, we can substitute the first equation into the second equation to eliminate one of the variables. We'll use y:

x=2y-5

7x-14y=10

Substitute x=2y-5 into 7x-14y=10:

7(2y-5)-14y=10

Expand the left side:

14y-35-14y=10

Combine like terms:

-35=10

Solve for y:

y = -7.5

Substitute y = -7.5 back into x=2y-5:

x = 2(-7.5) - 5

Solve for x:

x = -10

So the solution to the system of equations is (x, y) = (-10, -7.5).

Since there is one unique solution, the system has One Solution.

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Related Questions

how long would it take johnny to watch and finish a show with 61 episodes, if each episode is 23 minutes long?

Answers

Answer: 1,403

Step-by-step explanation: None

Answer:

1403

Step-by-step explanation:

First you find out how many minutes is each episodes at that is 23

Then you multiple 23 by 61 and you get 1403

got kinda lost.. anyone know how i could solve??

Answers

The perimeter of this triangular park is equal to: 3x² 37x - 4 feet.

How to calculate the perimeter of this triangle?

Mathematically, the perimeter of a triangle can be calculated by using this mathematical expression:

P = a + b + c

Where:

P represents the perimeter of a triangle.

a, b, and c represents the length of sides of a triangle.

Substituting the given parameters into the perimeter of a triangle  formula, we have the following;

Perimeter of triangle, P = 12x + (15x + 4) + (10x + 3x² - 8)

Perimeter of triangle, P = 12x + 15x + 4 + 10x + 3x² - 8

Perimeter of triangle, P = 3x² 37x - 4 feet.

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There were 72 runners to start a race. In the first half of the race,1/
4
of them dropped out. In the second half of the race,2/3 of the remaining runners dropped out How many runners finished the race?

Answers

Step-by-step explanation:

First find 1/4 of 72 runners. To do this divide by 4.

So

72/4=18

Now take 72 and subtract 18 to get 54

Next find 1/3 of 54 runners

54/3=18

Because it is 2/3 you need to multiply 18 by 2

So

18 x 2 = 36

So

54-36=18 runners that finished the race

If needed in fraction form

18/72

Now simplify

9/16 of the runners finished

soooo umm I don't know?

Answers

Answer: The last option would be correct p=  75 + 5a. The reason being the last option is the right one is because the expression represents the additional points plus her original 75 she had on her homework assignments.  

Question 3(Multiple Choice Worth 5 points)
(Systems of Linear Equations MC)
Which point is a solution to the system of linear equations?
y = -x + 4
x - 3y = 12?
O (0, 3)
O (1, 2)
O (6, -2)
O (4,-4)

Answers

Answer:

(6, -2)

Step-by-step explanation:

The only option that satisfies both equations is (6, -2).

a. If Mei has earned 30 points, write and solve a multiplication equation to find how many books she needs to read.​

Answers

If Mei has earned 30 points, the multiplication equation to find how many books she needs to read is 30=5x.

How to find the number of books she needs to read?

Let x represent the number of books she needs to read.

So,

The equation to find the number of books she need to read is:

30=5x

Let solve for x

30 =5x

Divide both side by 5x

x = 30/5

x = 6 books

Therefore the number of books is 6 books.

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When air is pumped into an automobile tire, the pressure is inversely proportional to the volume. If the pressure is 35 pounds when the volume is 120 cubic inches, what is the pressure, in pounds, when the volume is 140 cubic inches?

Answers

The pressure in the tyre when the volume is 140 cubic inches will be 30 pounds.

What is Boyle's law?

Boyle's law states that at a constant temperature, the pressure is inversely proportional to the volume. It means that the product of the pressure and the volume will remain constant for the given system.

Given that when air is pumped into an automobile tire, the pressure is inversely proportional to the volume. If the pressure is 35 pounds when the volume is 120 cubic inches.

The pressure will be calculated as:-

P₁V₁ = P₂V₂

( 35 x 120 ) = 140 x P₂

P₂ = ( 35 x 120 ) / 140

P₂ = 30 pounds

Therefore, when the volume is 140 cubic inches, the tire's pressure will be 30 pounds.

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Que pongo?rápido porfiii

Answers

Answer:

4xy + 2xy - 3xy +5xz - yz

4xy - 3xy + 2xy + 5xz - yz

1xy+2xy + 5xz - yz

3xy + 5 xz - yz

HELP pls will mark you the brainliest

Answers

We can acquire a number of kites of 6 kites for a total price of $ 30 in both stores (Kites-R-Fun, Windy Kites).

What is the solution to a system of linear equations formed by two lines

In this problem we find the case of two lines being represented on Cartesian plane, both have a point of intersection that represents the solution to the system. Each line represents a price function for a kite model sold in a store, where the horizontal axis represents the number of kites and the vertical axis represents the total cost.

According to the given figures, we can acquired a number of kites of 6 kites at a total price of $ 30 in both stores.

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show that the volume V in cubic metres of water in a full container is given by the formul V=2x^2

Answers

The volume of a cuboid will be, V =  2x² If it has one side of 2 meters and the other two sides are of equal length.

What is a cuboid?

A cuboid is a three-dimensional closed figure which has volume along with surface area.

The volume of a cuboid is the product of its length, width, and height.

The total surface area of a cuboid is 2(lw + wh + wl) and the lateral surface area is 2(l + w)×h.

We know, The volume of a cuboid is (length×width×height).

Assuming the height of the cuboid to be 2 meters and it has a square base of 'x' meters.

Therefore, The volume of the cuboid V = 2×x×x.

V = 2x².

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What’s two fifteen divided by nine

Answers

Answer:

23.8888888889 that's the answer

Answer:

215/9=23.8888888889

Step-by-step explanation:

Which one of the following simplifications is incorrect ?
94 0 16x4 = 12x4
. در 0
3/ 3.
26 = 22
=
0 2 0 42 = 2017
3
O 264 0 481 = 12

Answers

Answer: is A

Step-by-step explanation: if you do the problem youd get 2 root 3x^2

If investments double every 9 years and you
start with a $600 investment, how much
money would you have after 27 years?
First, complete the equation:
Future Amount = [?](1+

initial amount
growth rate
Xtime
periods

Answers

After 27 years, you would have $4800 in the account.

What is Exponential Growth?

An exponential function's curve is created by a pattern of data called exponential growth, which exhibits higher increases over time.

y = a(1+r)ˣ,

where a is the initial population and r is the rate in decimals and x is the time period.

Given:

Investment double every 9 years,

and you start with $600 investment.

So, by the exponential growth function,

y = 600(1+r)ˣ,

To find the growth rate:

1200 = 600(1 + r)⁹

r = 1.08006

So, the equation is,

y = 600(1+0.8006)ˣ

After 27 years,

y = 600 x 8

y = $4800

Therefore, $4800 is the required amount.

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WILL MARK BRAINLIST PLS HELP
Solve for x on the diagram below

Answers

Answer:

x = 56

Step-by-step explanation:

64 + x + 60 = 180

124 + x = 180

x = 56

The missing angle x of the diagram is; x = 56°

How to find the sum of angles on a straight line?

In geometry, we know that the sum of angles on a straight line sums up to 180 degrees.

Now, in the given image we see that the three angles we are concerned with all form a straight line and as such they will all add up to 180 degrees. Thus;

64 + x + 60 = 180

124 + x = 180

x = 180 - 124

x = 56°

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Please help I have a learning disailty and this is due today.PLEASE PLEASE I DONT KNOW THE ANSWER AND SOOOOOOOOOOOO NEED THIS I WILL DO ANYTHING YOU WANT MARK YOU ASK A QUESTION SO YOU GET THE POINTS PLEASE I JUST REALLY NEED HELP.
Start at hexagon A. After you solve the expression find the answer in blue on the edge on the hexagon. The answer will lead you to your next hexagon.
Continue along the maze path until you reach the hexagon with an S in the flower. This is where you will finish.
To answer the questions below, type the letter in each hexagon that you solved along the maze in the order they were answered.
You do not need to include the starting hexagon (of A) or the end hexagon (of S). These are already written in the order below.
Use only capital letters when typing in the hexagon letter

Starting hexagon A
Second hexagon solved ______________________
Third hexagon solved____________________________
Fourth hexagon solved________________________________

Answers

A mathematical description of hexagon is given above.

What is a polygon?

In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain.

The bounded plane region, the bounding circuit, or the two together, may be called a polygon.

The segments of a polygonal circuit are called its edges or sides.

Given is hexagon.

In geometry, a hexagon is a six-sided polygon creating the outline of a cube. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.

A regular hexagon is defined as a hexagon that is both equilateral and equiangular. It is bicentric, meaning that it is both cyclic (has a circumscribed circle) and tangential (has an inscribed circle).

Therefore, a mathematical description of hexagon is given above.

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Please help with this, im so confused

Answers

The required equivalent expression to the given expression is Lima invests $1000 in a mutual fund which gives her a return of 12% per year this situation can be modeled as y = 1000(1.2)ⁿ.

What are equation models?

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

Here,
An expression is given in the question that is,
[tex]Z(t) = 4000(12^{2t +2})[/tex]

We have to form a problem that represents the format of a function same as shown above.

Expression and problem is given as, Lima invests $1000 in a mutual fund which gives her a return of 12% per year this situation can be modeled as y = 1000(1.2)ⁿ.

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A playstation 5 sells for $500. today only, it is on sale for 30% off. what is the sale price of the ps5?

Answers

The original price of the PlayStation 5 is $500 and there is a 30% discount, calculated as $500 x 30/100 = $150. The sale price is $500 - $150 = $350.

The calculation of the sale price of the PlayStation 5 involves finding the amount of the discount first. The original price of the PlayStation 5 is $500. The discount is 30%, which means that 30% of the original price will be taken off. To find the amount of the discount, we multiply the original price by the discount rate (30% or 0.30).

$500 x 0.30 = $150

Next, we subtract the discount from the original price to get the sale price:

$500 - $150 = $350

So, the sale price of the PlayStation 5 is $350.

The sale price of the PlayStation 5 is an important aspect for customers who are looking for a good deal. By knowing the original price and the discount, one can easily find the sale price. This type of calculation is common in retail and commerce, and is used to determine the savings that a customer can make on a particular item during a sale. Understanding these concepts is crucial for consumers to make informed decisions about their purchases, and for businesses to effectively promote their products and attract customers.

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PLS HELP MEEEEEEEE PLS

Answers

The complex number z = 4√3 - i 4 has a norm 8 and a direction 330°. Its representation is in the image shown below.

How to graph a complex number and identify its norm and direction

In this question we find the definition of complex number in rectangular form, whose definition is shown below:

z = a + i b, where a, b are real numbers.

Where:

a - Real componentb - Imaginary component

Graphically speaking, the real component is associated to the horizontal axis of Cartesian plane and the imaginary component is associated to the vertical axis of that plane. The norm (r) and direction (θ) of the complex number are, respectively:

Norm

r = √(a² + b²)

Direction

θ = tan⁻¹ (b / a)

The norm and the direction of the complex number are, respectively:

r = √[(4√3)² + (- 4)²]

r = 8

θ = tan⁻¹ [(- 4) / (4√3)]

θ ≈ 330°

Lastly, we represent the complex number with the help of a graphing tool.

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Find the area of the given rhombus if AC = 2 m, DB = 9 m.

Answers

AC and DB are both diagonals

d1 = AC = 2 m
d2 = DB = 9 m

Area = (d1 x d2)/2
Area = (2 x 9)/2 = 18/2 = 9
Area = 9 m^2


a) Write down the next two numbers in the following sequent
33
22
45
12
10

Answers

45, 33, 22, 12, 10
45- 33= 12
33-22= 11
22-12= 10
12-9= 3
3-8= -5

What number is equivalent to
7 x 1,000,000,000 + 5 x 1,000,000 + 9 x
10,000+ 9 x 100 + 7 x 1?

A. 75,997
B. 759,971
C. 7,509,907
D. 7,005,090,907

Answers

Answer:

D

Step-by-step explanation:

7 x 1,000,000,000 + 5 x 1,000,000 + 9 x 10,000+ 9 x 100 + 7 x 1

=7,000,000,000

+        5,000,000

+              90,000

+                    900

+                         7

answer is D

Martin is walking from Antrim to Randalstown. Randalstown 13 miles Toome 94 miles Antrim 3½ miles (a) Work out the distance from Antrim to Randalstown.​

Answers

The distance from Antrim to Randalstown is 6 5/6 miles.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

Given, Martin is walking from Antrim to Randalstown.

Randalstown 3 1/3 miles, Toome is 9 1/4 miles Antrim 3 1/2 miles.

Therefore, the distance from Antrim to Randalstown is the sum of their distances which is,

= 3 1/3 + 3 1/2 miles.

= 10/3 + 7/2 miles.

= (20 + 21)/6 miles.

= 41/6 miles.

= 6 5/6 miles.

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Patch traveled from his office to the seashore at a speed of 62 mph. He traveled the same route on his way back to the office, but on the return trip his speed was 66 mph. If, altogether, Patch spent a total of 4 hours on the road, how many hours did the trip to the seashore take? Round your answer to the nearest hundredth (two decimal places)

Answers

Answer:

1.03 hours

Step-by-step explanation:

Let x be the time taken to travel from office to seashore at 62mph

Distance traveled = speed x time = 62x miles

Since both trips together took 2 hours, the time taken for the same distance from seashore to office = 2 - x hours

At a speed of 66 mph, the distance traveled = 66(2-x) = 132 - 66x

Since the distances on each trip are equal:
62x = 132 - 66x

Add 66x to both sides => 62x + 66x = 132 =-66x + 66x

128x = 132

x = 132/128 = 1.03125 hours = 1.03 hours rounded to 2 decimal places

Find the equation of the line parallel to 8x+5y=1 passing through the point (1,−3)

Answers

The equation of the line parallel to 8x+5y=1 passing through the point (1,−3)

is y = (-8/5)x - (7/5).

What is an equation of a line?

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

The equation of the line is y = m(1)x + c

Now,

The equation of the line parallel to 8x+5y=1 passes through the point (1, -3).

This means,

8x + 5y = 1

5y = - 8x + 1

y = (-8/5)x + 1/5

This is in the form of y = m(2)x + c

m(2) = (-8/5)

Now,

Since the line is parallel.

m(1) = m(2) = (-8/5)

So,

y = (-8/5)x + c

Now,

(1, -3) = (x, y)

-3 = (-8/5) x 1 + c

c = -3 + 8/5

c = (-15 + 8) / 5

c = -7/5

So,

y = (-8/5)x - (7/5)

Thus,

The equation of the line is y = (-8/5)x - (7/5).

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Estimate √487 plsssssss

Answers

Answer:

Step-by-step explanation:

=22.068

Answer:

5

Step-by-step explanation:

actual answer 4.69766713281

please help: solve for x​

Answers

Answer is 4 because it is the answer of this question and that is the answer for this question

Janet is making chocolate chip cookies. One batch of chocolate chip cookies needs of a cup of sugar. Janet wants to make three batches of chocolate chip cookies.
Part A
How many total cups of sugar will Janet need to make three batches of chocolate chip cookies? Show your answer in lowest terms.

Part B:
Janet has 4 cups of sugar. How much sugar will she have left over after making three batches of chocolate chip cookies?

Answers

PART A) Janet needs only three cups of sugar to make three batches of chocolate chip cookies.

PART B) One cup of sugar will be left over after making three batches of cookies.

What is the unit price?

A unit price is the cost of a single object or unit of measurement, such as a pound, a kilogram, or a pint, and it is used to compare the prices of similar products offered in various weights and quantities. Selling more than one unit of the same product at a discount from its unit price is known as multiple pricing.

Given that Janet needs One cup of sugar to make one batch of chocolate chip cookies.

Part A:

Let The number of cups of sugar Janet needs to make three batches of cookies be 'x'.

Now,

1 batch/ 1 cup = 3 batch/ x cups

x= 3

Therefore, Janet needs only three cups of sugar to make three batches of chocolate chip cookies.

Part B:

Given that Janet has four cups of sugar.

From part A, we found that she only need three cups of sugar.

Available - Needed = Excess

4-3=1

So, one cup of sugar will be left over after making three batches of cookies.

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for many medical tests, it is standard procedure to repeat the test when a positive signal is given. if repeated tests are independent, what is the probability that a man will test positive on two successive tests if he has the disease?

Answers

The probability that a man will test positive on two successive tests if he has the disease 81%.

In mathematical terms, probability can be represented as the ratio of the number of favorable outcomes to the number of possible outcomes. The formula for probability is as follows:

P(E) = n(E) / n(S)

Where:

P(E) is the probability of event E occurring

n(E) is the number of favorable outcomes for event E

n(S) is the number of possible outcomes in the sample space S

Let's assume the probability of a man testing positive for a disease if he has it is represented by the symbol "P".

If the tests are independent, meaning that the outcome of one test does not affect the outcome of the other, then the probability of a man testing positive on two successive tests can be calculated as the product of the probabilities of each individual test.

Therefore, the probability of a man testing positive on two successive tests if he has the disease is P * P, or P².

If the probability of a man testing positive for a disease if he has it is 90%, represented by P = 0.9, then the probability of him testing positive on two successive tests is 0.9 * 0.9 = 0.81, or 81%.

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Adela paid $71.70 for 6 tickets at the skating rink. Calculate the unit rate per ticket.

$8.37
$11.95
$12.12
$65.70

Answers

In linear equation, the unit rate of tickets at the skating rink is; 11.95 per ticket.

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                                  The variables in the previous sentence, y and x, are referred to as a "linear equation with two variables" at times.

We have been given Adela paid $71.70 for 6 tickets at the skating rink.

We need to find the unit rate per ticket.

Total amount = 71.70

Number of tickets = 6

Unit rate = Total amount/ Number of tickets

Unit rate =  70.70/ 6

Unit rate = 11.95/1

Therefore, the unit rate of tickets at the skating rink is; 11.95 per ticket.

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Answer:B

Step-by-step explanation:

help pls i don’t understand it

Answers

The length of the similar polygon is as follows:

GK = 30 units

TU = 24 Units

How to find similar polygon?

Two polygons are similar if their corresponding angles are congruent and their corresponding sides are in proportion.

Therefore, the corresponding angles of the polygons are congruent and the sides are in ratio of each other.

Hence, let's find the side GK and TU as follows:

QRSTU ~ IJKGH

Therefore,

24 / GK = 16  /20

cross multiply

16GK = 480

GK = 480 / 16

GK = 30 Units

Hence,

TU  / 30 = 16 / 20

cross multiply

20 TU = 480

TU = 480 / 20

TU = 24 Units

Therefore,

GK = 30 units

TU = 24 units

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the _____ -colored section of the emergency response guidebook (erg) contains a list of chemicals organized by id number and includes only the product name and guide number. at what temperature should you run water to keep pipes from freezing along which of these segments of the supply curve is supply least elastic? question 23 options: gh cd ac ab TRUE OR FALSE alfred kinsey's studies of sexual behavior revealed that there was tremendous consistency between public standards of sexual behavior and actual sexual behavior. What is the melting point of 9,10-dihydroanthracene 9 10 alpha beta succinic acid anhydride? Help me pls I dont know what Im doing If you are not familiar with the information a DSM contains how can you complete it more quicklya. By answering all questions confidently and correctlyb. By using the I DON'T KNOW YET answer pointc. By studying beforehandd. I DON'T KNOW YET suppose tanf (temporary assistance for needy families) in a state provides a guaranteed income of $6,000 with a 40% reduction rate. a young, single parent can work up to 2,000 hours a year at a wage of $15 per hour. suppose the individual works 700 hours. what is her total income, including earnings from work and tanf benefit? which is best to use in order to find the straightest distance between two far distant points on the earth? a flat map a great circle an official roadmap define a function isset that tests whether a bag is actually a set ,which is the case when each element occurs only once. according to the sociometer hypothesis, group of answer choices self-esteem is an internal, subjective index of the extent to which people feel included or excluded by others. people are social animals who thrive on conflict and dominating others. people use reflection and social comparison processes to maintain a positive self-image. people strive for accurate beliefs about the self in order to form adaptive judgments and decisions. if the third codon in the coding region of the rdl gaba receptor cdna is replaced with an amber codon (for example, tag) and the modified rdl gaba receptor cdna is expressed in frog oocytes, functional full-length receptors will: what was an unintended consequence of prohibition according to the video: check all that apply a. fixed cost will decrease. b. total cost will decrease. c. average total cost will increase. d. average variable cost will decrease. e. average total cost will decrease. The organism pictured is Chlamydomonas. What characteristics of Chlamydomonas lead to its classification as a protist? A subcontinent is a large region of land that is smaller than a continent. The Indian Subcontinent includes India, Pakistan, Bangladesh, Bhutan, Nepal and Sri Lanka. Although the countries of this region share many geographic and economic similarities, their peoples are very different culturally.Bangladesh was part of Pakistan until the 1970s. It was called "East Pakistan." Which nation separated the two parts of Pakistan? the first broad-coverage health insurance in the united states emerged in the form of . Which inverse operation should be used to solve this problem?N - 46 = 95additiondivisionsubtraction Which of the following is/are included in the journal entry to record the application of manufacturing overhead?Select one:A. DEBIT to ManufacturingB. DEBIT to Work in Process InventoryC. CREDIT to Wages PayableD. CREDIT to CashE. All of the above except B. a certain flask is guaranteed to deliver 5.0 x 102 ml 5%. what is the absolute uncertainty delivered by the pipette (in ml) reported to the correct number of significant figures?