help me I need the good answers!!!?
1) Q.1 Find the equation of a line that passes through (1, 2) and (5, 4).

Answers

Answer 1

equation of a line is y=mx+ c

where m is that gradient and c is y intercept

so first we find the gradient (m)

M= change in y intercept ÷change in x

M=4-2÷5-1

M=2÷4=1/2(as a fraction)(you can also use o.5)

there 1/2is the gradient

then to find the equation of the line

y= 1/2x +c (from coordinates 1,2 we substitute)

2=1/2(1)+c

2-1/2=c

c=1.5

or

from the coordinates 5,4

4=1/2(5) +c

4=5/2+ c

c=4-5/2

c=1.5

equation of the line=y=0.5x + 1.5

or y=1/2x +1.5

hope it helps you^_^


Related Questions

Determine the range of the following graph: 12 11 10 8 5432 1 -12-11-10-9-8-7-6-5-4-3-2-1₁ - -5 -8 -9 -10 -12 1 2 3 4 5 6 7 8 9 10 11 12​

Answers

The range of this graph (see attachment) include the following: {8, -6}.

How to identify the domain and range of a function?

In Mathematics, the horizontal extent of any graph of a function represents all domain values and they are read and written from smaller to larger numerical values, and from the left of a graph to the right.

Additionally, the vertical extent of any graph of a function represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

By critically observing the graph shown in the image attached below, we can reasonably and logically deduce the following:

Domain = -6 < x < 11 or [-6, 11].

Range = -6 < y < 8 or [-6, 8].

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what is 14/10 converted

Answers

The given fraction converted to a decimal fraction is 1.4

The given fraction converted to a mixed fraction in its lowest terms is 1 2/5

Conversion of fractions

From the question, we are to convert the given fraction.

The given fraction is

14/10

Converting to a decimal fraction

14/10 = 1.4

Converting to a mixed fraction

14/10 = 1 4/10

Reducing the fraction

14/10 = 1 2/5

Hence,

The fraction converted is 1.4 and 1 2/5

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Please help! Trig!!!!!!!l. Look at the image! And answer the question! Thank u!

Answers

Answer:

IF tan(theta) = -8/7 = opposite side/adjacent side, then that means that sin(theta) = -8/(sqr(64+49) = -8/sqr113 = about -0.7526

Step-by-step explanation:

the tangents are negative in the quadrant II or IV

and sines are negative in the quadrant III or IV

so i think that this angle is in quadrant IV to satisfy for the of the both requirements.

but angle 0 seems to try and mean something other than 0 degrees or 0 radians. so It probably just means theta, which is a 0 probably with a line through it

IF tan(theta) = -8/7 = opposite side/adjacent side, then sin(theta) = -8/(sqr(64+49) = -8/sqr113 = about -0.7526

I hope this helps

What is the log2 of 0?

Answers

Log2 of 0 is undefined. Log values can be defined for only real numbers which is greater than 0.

It is not defined because log values is defined only for numbers greater than zero but not zero and negative numbers. It's not a real number, because you can never get zero by raising anything to the power of anything else. You can never reach zero.

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Can you explain this too me please?

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The situation regarding the experimental probability is described as follows:

The probability that she makes a shot is of 62.5% = 5/8. Use whole numbers from 1 to 8, with 1-5 representing shots that she makes, and 6-8 representing the shots that she misses. For each trial, generate 10 random numbers. Count the number of trials in which the numbers 1 - 5 appears 3 or more times. Divide the number of trials in which she made at least 3 shots by the total number of trials.

How to obtain a probability?

A probability is calculated as the division of the number of desired outcomes by the number of total outcomes.

The theoretical probability of making a shot in this problem is given as follows:

62.5%.

The equivalent fraction is given as follows:

5/8.

Hence, to obtain the experimental probability, we need to design an experiment for which there are eight possibilites, with five of them composing a success and three of them composing a failure.

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Please Help with these Questions
They are due tonight!
For 16-19, graph each equation or inequality.
16. 2y – 4x < 8
17. -4y > -x + 12
18. | x + 3 |= y
19. |2x – 6| + 2 = y

Answers

The graph for each equation and inequality is shown below.

What is Graph?

The graph is simply a structured representation of the data. It aids in our comprehension of the data. The numerical information gathered through observation is referred to as data.

In a line graph, the information or data is represented as a series of markers, or dots, and is then connected to one another by a straight line.

Given:

a)  2y – 4x < 8

The graph area is shaded with red region.

b)  -4y > -x + 12

The graph area is shaded with blue region.

c) | x + 3 |= y

The graph has the vertex at (-3, 0).

d) |2x – 6| + 2 = y

The graph has the vertex at (3, 2).

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Simplify.

6 + 2 (x-8) + 3x -11 + x

A.4x + 4


B.6x + 21


C.4x - 4


D.6x + (-21)

Answers

the answer to the problem is d
6x + (-21)

please help i need to bring my grades up

Answers

The line that has the constant of proportionality between y and x of 1 / 2 , is C. Line C.

How to find the constant of proportionality ?

The ratio used to compare changes in one variable to those in another is known as the constant of proportionality. The dependent variable fluctuates more with the independent variable when the proportionality constant increases.

The formula for the constant of proportionality is:

= Value of y / Value of x

For Line A we have point ( 1, 7 ) so the constant of proportionality is:

= 7 / 1

= 7

For line B, we have point (2, 3 ) so the constant of proportionality is:

= 3 / 2

= 1 . 5

For line C, we have point ( 4, 2 ) so the constant of proportionality is:

= 2 / 4

= 1 / 2

Line C is the line with a constant of proportionality of  1 / 2.

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(Write each statement in function notation if you know what function notation is)
1. At 3 seconds, the toy rocket is higher than the drone.
2. At the start, the toy rocket is 25ft above the drone.

Answers

The statements that relate each function are given as follows:

1. At 3 seconds, the toy rocket is higher than the drone: f(3) > g(3).

2. At the start, the toy rocket is 25ft above the drone: f(0) - g(0) = 25.

What are the inequality symbols and what are the functions?

The four inequality symbols, along with their meaning, are presented as follows:

> x: greater than x.< x: less than x.≥ x: at least x.≤ at most x.

The functions for this problem are given as follows:

f(x): height of the toy rocket after x seconds.g(x): height of the drone after x seconds.

At 3 seconds, we have that the toy rocket is higher than the drone, that is, f(3) is greater than g(3), hence the inequality is given as follows:

f(3) > g(3).

At the start, the heights are given as follows:

Toy rocket: f(0), as the start is equivalent to a time of 0 seconds.Drone: g(0).

The difference is of 25 ft, hence the expression is given as follows:

f(0) - g(0) = 25.

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the table below shows the number of cap and salmon in 3 different lakes. for each lake write the ratio of carp to salmon in the from 1:n. put the lakes in ascending order on the proportion of fish that sre salmon
carp | salmon
---------------------
lake a | 15 | 48
lake b| 35 | 7
lake c | 9 | 30​

Answers

The ratio of carp to salmon for each lake is given as follows:

Lake a: 1 : 3.2.Lake b: 1 : 0.2.Lake c: 1: 3.33.


Then the ascending order on the proportion of fish that are salmon is given as follows:

Lake b, Lake c, Lake c.

How to obtain the ratios?

The ratio of an amount A over an amount B is obtained applying the proportion of these amounts, that is, the division of A by B.

The ratios of carp to salmon, in the form 1:n, are obtained considering that n is the division of the number of salmon by the number of carp, hence:

Lake a: n = 48/15 = 3.2.Lake b: n = 7/35 = 0.2.Lake c: n = 30/9 = 3.33.

The higher rates of salmon have the higher values of n, thus the ascending order of the proportion of fish that are salmon is given as follows:

Lake b, Lake c, Lake c.

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when f(x) = 6x² - 2x - 5, evaluate f(-2)

Answers

Answer:

23

Step-by-step explanation:

Given Information:

f(x) = 6x² - 2x - 5

If we have to evaluate f(-2), we can consider that f(x) = f(-2) = 6x²- 2x - 5.

So, if f(x) = f(-2), then we have the following solution: x = -2.

Now, we can substitute the solution into the quadratic equation and simplify it to its simplest possible form using the solution (x = -2).

f(-2) = 6x² - 2x - 5 f(-2) = 6(-2)² - 2(-2) - 5 f(-2) = 6(-2)(-2) - 2(-2) - 5 f(-2) = 6(4) + 2(2) - 5 f(-2) = 24 + 4 - 5 f(-2) = 24 - 1 = 23

Therefore, the evaluated form for f(-2) is 23.

Under a dilation centered at the origin, the point (-4,3) has image at (8, -6).
What is the scale factor of the dilation?

Answers

Answer:

The scale factor is 3. Step-by-step

Step-by-step explanation:

For what value of A is x 5 a factor of x² 3x² ax 10?

Answers

The value of A when x - 5 is a factor of x³ - 3x² + ax - 10 is -8.

A polynomial factor is a polynomial that divides another polynomial exactly, with no remainder.

For example, if we have a polynomial P(x) = x³ - 3x² + ax - 10, and we have a polynomial factor F(x) = x - 5, we can say that P(x) is divisible by F(x) with no remainder.

In general, a polynomial of degree n has n roots (or zeroes) and the factorization of polynomial can be expressed as a product of its roots and its corresponding multiplicity.

To find the value of A, set x = 5 in the equation x³ - 3x² + ax - 10 and solve for A that will make the equation equal to zero..

So when x = 5, we have:

x³ - 3x² + ax - 10 = 0

(5)³ - 3(5)² + a(5) - 10 = 0

125 - 75 + 5a - 10 = 0

5a = -40

a = -8

Hence, if x - 5 is a factor of x³ - 3x² + ax - 10, then A is equal to -8.

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Patrick and Oscar both went bowling last weekend, but not together. Patrick went during open bowling time, paying $1 for shoe rental and $6 per hour. Oscar went on family night, when each hour was $1 and shoe rental was $11. As it turned out, they played for the same number of hours and spent the same amount. How many hours did each one bowl? How much did each one spend?

Answers

Answer:

The spent 2 hours and $13.

-------------------------------

Patrick has spent:

6x + 1 for x hours

Oscar has spent:

x + 11 for x hours

Since they both spent same amount of money, we have:

6x + 1 = x + 116x - x = 11 - 15x = 10x = 2

They both spent 2 hours and $(2 + 11) = $13.

What is the exponential form of 5184?

Answers

Answer:

The exponential form of 5184 is 5184

In simple words, the exponents can said to be the powers of the base. For example, in 2³, the exponent will be 3. If a number is given without any power then its power is 5184. The exponential form is simply the number with exponents.

What is the area? 8 mi 6 mi

Answers

The answer is 48 miles

Choose the statement that describes a relationship that has a negative slope. A Stan makes $2 for every customer on his newspaper route. B Lisa's parents give her $10 each week for her allowance. C Greg pays $25 each time he goes rock climbing. D The booster club makes $3 profit for each t-shirt they sell.

Answers

The statement that describes a relationship that has a negative slope: "Greg pays $25 each time he goes rock climbing".

What is negative slope?

A negative slope indicates that two variables are adversely connected; that is, when x rises, y falls, and when x falls, y rises. A negative slope on a line graph signifies that the line falls as it travels from left to right. For example, when the number of individuals that quit smoking (x) grows, the number of persons developing lung cancer (y) drops. This relationship's graph has a negative slope. Positive slopes are predicated on the fact that when x grows, so does y, hence the change in y/change in x is positive. Negative slopes are based on the fact that when x grows, y decreases, resulting in a negative change in y/positive change in x, yielding a negative response.

Here,

"Greg pays $25 every time he goes rock climbing," says the statement describing a connection with a negative slope.

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In the figure below, =m∠JKM 88°, =m∠NKM 26°, and KN bisects ∠LKM. Find m∠JKL.

Answers

The value of the missing angle m<JKL is; 46º

How to find the missing angles?

Since we are told that the angle KN bisects ∠LKM then to get m<LKN, we just multiply 26° by 2 to get;

m<LKM =  26° * 2

= 52º

Now, since JKM is the total of all angle measurements, then we can say that;

88 - 52 = 36 degrees

Thus; m<JKL = 46º

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Please help I need the answers ASAP!

Answers

Answer:

Refer to the step-by-step

Step-by-step explanation:

Since ∠1 and ∠2 are alternate exterior angles, m∠2=108°

60+15+20+21+20+30+45=?

Answers

Answer: The total of 60+15+20+21+20+30+45 = 221

Step-by-step explanation:

PLEASEEEE GIVE BRANLIEST

Answer:

60+15+20+21+20+30+45= *212*

Consider the scatter plot shown. Which shows the line of best fit? Explain your reasoning.

Answers

The line of the best fit of the scatter plot is line 2

How to determine the line of best fit

From the question, we have the following parameters that can be used in our computation:

The graph

A good line of best fit would have equal number of points on either sides

On the graph, we can see that the lines 1 and 3 divide the points on the line unevenly

Where as, the line 2 divides the scatter points approximately evenly

Hence, the line of the best fit is line 2

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Help me with my homework pls

Answers

Hate to have to tell you this but we need to see the homework to be able to help

Solve using systems by substitution whats is y=x+8 and x+y=2

Answers

Answer:

Step-by-step explanation:

y = x + 8

x + y = 2

using substitution, since y is equal to x + 8 we substitute it for the y in x + y = 2

so we get: x + (x+8) =2

then we simplify, getting 2x + 8 = 2

We make the x on its own on one side of the equation by subtracting 8 on both sides.

2x = -6

divide

x = -3

y = 5

(if x = -3, y = 5 because -3 + 8 =5)

test answer

5 = -3 + 8 works and -3 + 5 = 2 works as well

Which polynomial should be added in 3x³ 2x² +3 to get the polynomial 3x² +4?(1) 3x3 + 5x2 +1 (2) 3x2 – 5x +1 (3) - 3x3 + 5x2 +1 (4) - 3x3 - 5x2 + 1Answer with explanation

Answers

The polynomial 3x³ 2x² +3 can be written as 3x³ + 2x² + 3. In order to get the polynomial 3x² + 4, we need to add a polynomial which is equal to -3x³ + 5x² + 1.

Therefore, the correct answer is (3) - 3x3 + 5x2 +1.

We can confirm this by performing the following calculation:

3x³ + 2x² + 3 + (-3x³ + 5x² + 1) = 3x² + 4

3x³ + (-3x³) = 0

2x² + 5x² = 7x²

3 + 1 = 4

Therefore, 0 + 7x² + 4 = 3x² + 4, which confirms that the correct answer is  3x3 + 5x2 +1.

3x3 + 5x2 +1 is the polynomial should be added in 3x³ 2x² +3 to get the polynomial 3x² +4.

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Paragraph prove statement

Answers

The paragraph proof is a proof written in the form of a paragraph. In other words, it is a logical argument written as a paragraph, giving evidence and details to arrive at a conclusion.

What is Paragraph prove statement?

Paragraph proofs are comprehensive paragraphs that explain the process of each proof. Like two-column proofs, they have multiple steps and justifications. But instead of columns, the given information is formatted like a word problem — written out in long-hand format.

Since vertical angles are congruent, it is known that angle DCB is congruent to angle ACE. It can now be concluded that triangle DCB is congruent to triangle ACE according to the Side-Angle-Side (SAS) theorem.

There are two different types of proofs: informal and formal. Formal proof is often introduced using a two-column format, as favored by many geometry teachers.

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Complete question:

What is a Paragraph prove statement?

Does scientific notation have to be greater than 1?

Answers

The mantissa of scientific notation is between 1 and 10 in absolute value, or 1 ≤ |a| < 10.  It can be 1, hence, it does not have to be greater than 1.

A scientific notation has the form:

a x 10ᵇ

Where b is an integer and is called exponent.

a is a real number between 1 and 10 (in absolute value), it includes 1 but not 10, or we can write a should satisfy 1 ≤ |a| < 10.

Usually, a is called mantissa.

Example:

2567 can be written in scientific notation as:

2567 = 2.567 x 10³

0.0045 can be written in scientific notation as:

0.0045  = 4.5 x 10⁻³

250 x 10² can be written in scientific notation as:

250 x 10² = 2.5 x 10⁴

-0.032 can be written in scientific notation as:

-0.032 = -3.2 x 10⁻²

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please answer this fast i got 5 minuets

Answers

The answer is 2/9 or 0.22

Garrett went to Good Buys where all prices are discounted 15%. He buys a vintage Waring blender, after the 15% discount, for $42. What is the original price of the blender before the discount. Round your answer to the nearest hundredths.

Answers

The original price of the blender before the discount is $49.41.

How to calculate the original price of the blender

We shall represent the original price of the blender with the letter x so that we use $x to evaluate for the original price before the discount price as follows:

x - 15x/100 = $42 {simply the left hand expression to a single fraction}

(100x - 15x)/100 = $42 {simply the terms in the bracket}

$85x/100 = $42

$85x = $4200 {cross multiplication}

$85x/$85 = $4200/$85 {divide through by $85}

x = $49.41

Therefore, the original price of the blender before the discount is $49.41

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Is 512 a multiple of 8?

Answers

Yes, Number 512 represents it is a multiple of 8 is a true statement.

As given in the question,

Given number is equal to 8,

Given multiple is equal to 512 :

Multiple of any number is the representation of any number multiply by some integer.

When we multiply 8 by different integers we get its multiple as follow:

8, 16, 24, 32, 40, 48, 56, 64, 72,..... and so on.

When we multiply 64 by 8 we get 512.

Yes , the given statement is true.

Therefore, 512 represents a multiple of 8 which we get when we multiply 8 by 64 represents that the given statement is true.

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Nina can braid 48 inches of rope in 1 hr. What is her speed in feet per hour

Answers

Answer:

4 feet per hour

Step-by-step explanation:

48 inches is 4 feet in total

4 x 12 =48

Other Questions
Read the scenario.A group holds a climate change protest in front of the state capitol. The protest begins as a sit-in. Participants hold signs and sit on the sidewalk, but they do not block people trying to get into or past the building. Over time, a small number of the protesters move into the street and purposely block traffic, causing a huge traffic jam.Which statement about First Amendment protections is true?The actions of all of the protesters are protected.The actions of none of the protestors are protected.The actions of the protesters who block traffic are not protected.The actions of the protesters who sit on the sidewalk are not protected. Your younger brother is getting stickers from a vending machine at the local supermarket. A proportion of stickers have the phrase "GirlsRule!" If there are 12 stickers with this message in a sample of 36 stickers, what is the 95% confidence interval for this proportion? (1 point)O a (0.1764, 0.4836)Ob(0.1793, 0.4873)Oc (0.1676, 0.4724)Od (0.1799, 0.4881) How long did the United States watch World War 1? What are the 5 types of problem-solving? Which measure of center should Raul use to calculate his overall performance if he hits a line drive to the outfield on each pitch? What does this picture show, and how does it depict stalin. (6 Marker) ORACIONES CON LAS PALABRAS:PALABROASNCULAMENTOBALLAABRACABRANTEZASCACUMPLEMESDESESCALADAVIGOREXIATROL/TROLLEAR 3. Kathleen is starting a new job where she will be working remotely. Her new company hasall kinds of collaborative tools they use to work together. What are three types of tools shewill likely be using in this new job? List and describe the functions of these three tools. from what landforms do most rivers in northern europe originate? What temperature allows bacteria to grow well on meat? I need this now pleaseMs.N has tutoring every 3weeks and cooking class every 2weeks when is the first time she will have tutoring and cooking class at the same time Which statement is a central idea developed in Passage 1? A. It is much more challenging to clean up spilled oil once it washes ashore.B. Officials are often under pressure to take action when an oil spill occurs.C. Oil spilled into the ocean will spread out and increase the environmental damage. D. Oil spills typically receive a large amount of negative news coverage. Why doesn t Jake want to keep exploring the ruins? create a list of the four countries, ranked in order of decreasing carbon intensity per unit of energy consumed. give the units in either tonnes co per terajoule tj or tons per billion btu consumed. What was a weakness of the Articles of Confederation?It did not give the power to tax and spend.It did not allow for negotiation of a peace treaty with Britain.It made changing the structure of the government too easy. Explain why each of the following limits the influence of public opinion on the voting decisions of members of Congress. How did art styles change during the 18th Century? How are you expressing or representing the characteristics of your mascot in your mascot's design? List at least two characteristics and explain how your design represents or expresses those characteristics. who is the logical candidate to purchase insurance? Static electricity occurs when charges build up on an object instead of flowing. The static charge on the object can build up in one of four ways. Name and give an example of each of the four ways that static electricity can be created.