Mathematics Middle School

Find an equation of the line containing the given pair of points.
(4,1) and (12,7)

Answers

Answer 1

Answer:

y= 3/4x-2

Step-by-step explanation:

y2-y1/x2-x1

7-1/12-4

m=6/8

m=3/4

now solve for b (y-intercept)

plug in any y or x from any point

7=3/4(12)+b

7=36/4+b

7=9+b

7=9+b

subtract nine on both sides

-2=b

thats how u get ur equation

Related Questions

I'M SORRY WHAT IS THY ANSEWR?

I'M SORRY WHAT IS THY ANSEWR?

Answers

I think the answer would be 1/36.

Because there’s 36 possible solutions between the 2 dice and only one of those could get you a sum of 2. So 1 out of 36 or 1/36.
1/36 would be your answer!

What is the price of the missing price of the pounds?

What is the price of the missing price of the pounds?

Answers

Answer:

  $17.50

Step-by-step explanation:

You have a table with a proportional relationship between weight and price, and the pair (weight, price) = (2 lb, $7.00) given. You want to know the price for a weight of 5 lb.

Proportion

A proportion that can be used to find the missing price is ...

  price/weight = x/(5 lb) = ($7.00)/(2 lb)

Multiplying by 5 lb gives ...

  x = $7.00 × (5 lb)/(2 lb) = $17.50

The price for 5 lb is $17.50.

Answer:$17.50

Step-by-step explanation:i uesd the calulater u wont read this anyway

yoooooo please help me its easy im not smart TvT

yoooooo please help me its easy im not smart TvT

Answers

Answer:

x=28

Step-by-step explanation:

Hey There!

To find the value of x we want to get rid of the 7

To do so we use inverse operations and multiply by 7

whatever you do to the one side you do to the other

7x7 cancels out

7x4=28

we're left with

x=28

hope this helps!

Answer:

28

Step-by-step explanation:

To find x, we have to get x by itself. In this scenario, we have to multiply 7 on both sides. This will result in:

x=28

Also, I'm sure you're smart! Practice more problems and ask help when needed will help you grow!

Is this a numerical expression OR algebraic expression: 45 + 34 x 7a
numerical expression
algebraic expression

Answers

It’s a algebraic expression, it has letters in it

the perimeter should be 12 cm right?

the perimeter should be 12 cm right?

Answers

Answer: I'm pretty sure

Step-by-step explanation:

Answer: I think so probably

Word Problems (WITH EXPLANATION)

In the rectangle below, the line MN cuts the rectangle into two regions. Find x, the length of segment NB, so that the area of the quadrilateral MNBC is 40% of the total area of the rectangle.

Word Problems (WITH EXPLANATION)In the rectangle below, the line MN cuts the rectangle into two regions.

Answers

The length of segment NB is 0.833

Finding x, the length of segment NB

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

The rectangle

The area of the rectangle is

Area = (20 + x) * 10

The area of MNBC is

Area  = 1/2 * 10 * (x + 20 + x - 5)

Area  = 5(2x + 15 )

The area of the quadrilateral MNBC is 40% of the total area of the rectangle

So, we have

5(2x + 15) = 40% * (20 + x) * 10

5(2x + 15) = 4* (20 + x)

When evaluated, we have

x = 0.833

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Answer:

X=1

Step-by-step explanation:

The total area of the rectangle is 20x10=200

so the area of MNBC is: 40%x200=80

MC= 20-5=15

so (x+15).10/2=80 (according to the trapezoidal area formula)

x=1

so the answer is 1

To learn more about the Trapezoidal area formula

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1. Is the average change in population the same now as it was 50 years ago? Explain your answer.

2. Reflect on the interpretation of your data.

3. What should you consider when comparing population growth (or decline) over different intervals of time? Hint: What factors influence population growth or decline? Explain fully and provide examples where needed.

Answers

1. The average change in population is not the same now as it was 50 years ago. The population growth rate can vary greatly from year to year and decade to decade, and is influenced by a variety of factors such as birth and death rates, immigration, and emigration. Therefore, it is important to analyze the specific data for each time period to determine the average change in population.

2. When interpreting data on population growth or decline, it is important to consider the factors that influence population change and to analyze the data in the context of the specific time period being studied. It is also important to consider the accuracy and reliability of the data source, as well as any potential biases or limitations in the data.

3. When comparing population growth or decline over different intervals of time, it is important to consider a range of factors that can influence population change, such as birth and death rates, migration patterns, economic and environmental conditions, and government policies. For example, population growth rates in a country may be influenced by changes in healthcare access or advancements in technology that reduce infant mortality rates or increase life expectancy. In addition, migration patterns can greatly impact population growth rates, as some regions may experience large influxes of immigrants or emigrants at different periods in time. When comparing population data over different intervals of time, it is important to take into account these and other factors that may contribute to population growth or decline.

5 stars + Brainliest.


I already have questions 9-12 but help with
In 1983 about 17,000,000 visitor hours were spent on boating. To the nearest million, about how many hours were spent on fishing? (right screenshot)

5 stars + Brainliest.I already have questions 9-12 but help withIn 1983 about 17,000,000 visitor hours

Answers

Answer:

20,159

Step-by-step explanation:

In 1983, there was a total of 37,159 million people fishing and boating. To find out only fishing, we need to subtract the 17,000 million people who boated (37,159 - 17,000 = 20,159) Now we know how many people fished in 1983, 20,159 million people.

I need this Now (2x + 1)²

Answers

Answer:

4x² + 4x + 1

Step-by-step explanation:

We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.

Answer:

(2x)^2  + 2(2x)(1) + (1)^2

4x^2 + 4x + 1

Step-by-step explanation:

Find the distance between (–4, –2) and (–4, 3). Write your answer as a number with no label.

Answers

Answer:

5

Step-by-step explanation:

To solve this problem we could find the distance between -2 and 3. (We can do this because the x values are the same).

On a number line, this distance is 5. So the answer is 5.

Find the distance between (4, 2) and (4, 3). Write your answer as a number with no label.

Answer: 5 should be it .

Step-by-step explanation:

A point at a pre-image is G(5-,-2) If its image has coordinates G'(2,1), what was the translation? A.(x-3, y-3) B.(x+3, y-3) C.(x-3, y+3) D.(x+3, y+3)

Answers

Answer:

C

Step-by-step explanation:

5-3=2. -2+3=1

Answer:

It would the be second ome. Hope this helped

Step-by-step explanation:

Elsa and Anna want to open up an ice business. They borrow $4,000 to start the new business. The simple interest rate on the loan is 2.5%. How much interest will they pay after 4 years?

Answers

Answer:

Simple interest=$400

Step-by-step explanation:

In the photo

Elsa and Anna want to open up an ice business. They borrow $4,000 to start the new business. The simple

what is 3 / 66.9 explain how u got the answer

Answers

The answer is either .04 or 10/223 you didn’t really give enough information. I just put the equation in a calculator.
10/223 just by converting 66.9 to a fraction hence getting 3/669/10 after the conversion you then simply the expression which then gets you 10/223

How many tickets were sold between 12pm and 3pm?

How many tickets were sold between 12pm and 3pm?

Answers

Answer:

approximately 670 maybe

Answer:

about 250

Step-by-step explanation:

*LAST QUESTION, PLEASE ANSWER I NEED HELP* What will be the new volume of the prism if a scale factor of 2.5 is applied to the dimensions?

*LAST QUESTION, PLEASE ANSWER I NEED HELP* What will be the new volume of the prism if a scale factor

Answers

Answer:

10,500 cubic inches

Step-by-step explanation:

1. Find the new lengths after the scale factor

6 · 2.5 = 15

8 · 2.5 = 20

14 · 2.5 = 35

2. Solve for the volume (length · width · height

15 · 20 · 35 = 10500

The required volume of the prism after the scale factor is 2.5 is applied to the dimensions is 10,500 cubic inches. Option D is correct.

DImension for prism,
Length = 14
width = 8
Height = 6
Scale factor = 2.5
New volume to be determined.

What is the scale factor?

The scale factor is defined as the ratio of modified change in length to the original length.

Applying scale factor 2.5 to the dimensions,
Length = 2.5 * 14 = 35
width = 8 * 2.5 = 20
Height = 6* 2.5 = 15

The new volume of the prism  = length * width *height
                                                    = 35 * 20 * 15
                                                    = 10, 500

Thus, The required volume of the prism after the scale factor is 2.5 is applied to the dimensions is 10,500 cubic inches. Option D is correct.

Learn more about line Scale factors:

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What is the answer to 33 < m - 91

Answers

Answer:

i think it should be:

m>124

Step-by-step explanation:

33<m-91

-m<-91-33

-m<-124

m>124

Answer:

The answer is m > 124.

Step-by-step explanation

Firstly, you have to move the terms 33 < m - 91

Second, you have to calculate like - m < - 124

Then, you have to change the signs like - m < - 124

So, this solves the solution as m > 124.

Based on the following calculator output, determine the mean of the dataset,
rounding to the nearest 100th if necessary.
1-Var-Stats
ī = 106.142857143
Ex = 743
2.c2 = 79453
Sx = 9.90670768433
or = 9.17182909673
n = 7
min X = 98
Q = 98
Med = 100
Q3 = 116
maxX = 121​

Answers

Answer:

  106 1/7

Step-by-step explanation:

The line ...

  ī = 106.142857143

tells you the mean of the dataset is 106 1/7.

East Middle's football team was positioned on the 50 yard line. After a penalty is called, the football team is pushed back 5 yards. If East Middle's football team is charged with the same penalty 3 plays in a row, on what yard line is the football team positioned?
A. 65 yard line
B. 35 yard line
C. 25 yard line
D. 15 yard line

Answers

Answer:

The answer would be the 35 yard line.

Step-by-step explanation: This is because if they get a 5 yard penalty 3 times, that would be a total of 15 yards lost. So, you would do 50-15, getting 35, so boom, 35 yard line :)

B. the 35 yard line

What is $400 at 3% for 5 years?

A. Find the interest earned
B. Find the balance of the account

Answers

Answer:

Step-by-step explanation:

A. 63.71

B. 463.71

Alana spent $18.24 on 4.8 pounds of plant food.
Which expression shows a good estimation for finding the cost of each pound of
plant food?

$
How much did each pound of plant food cost?

$

Answers

Answer: $3.8 per pound of food.

Step-by-step explanation: 18.24 divided by 4.8

Answer:

probably for question 1: 18/5 = 3.6

question 2: 18.24/4.8 = 3.8

.
Rita is making a salad using small tomatoes and olives in a ratio of 5:3. A ratio table with this information is shown.

Use the ratio table to create a graph of the relationship. Be sure to fully label your graph.

Number of Tomatoes Number of Olives
5 , 15 , 25 3 , 9 , 15

Answers

Answer:

I can't make an exact graph but the ratios are this:

Step-by-step explanation:

5:3, 15:9, 25:15

hope it helps you a little bit

The ratios are 5:3
15:9
25:15
I hope this is right

Simplify the expression 4^5 * 4^10. Write your answer using exponential notation. I'll give brainliest, please.

Answers

Answer:  5x3 = 320 when x = 4

Step-by-step explanation:

Find the domain and range of the
radical function: f(x)= -√x +1


(radical is only over the x and NOT over the 1).

1. x≤ 0 and y> 1
2. x>0 and y < 1
3. x ≥ 0 and y≤ 1
4. x>0 and y≥ 1

Find the domain and range of theradical function: f(x)= -x +1(radical is only over the x and NOT over

Answers

f(x)= -√x +1x4 which would give you 99

The domain of a radical function is the set of all real numbers for which the radicand (the expression under the radical) is greater than or equal to zero, since the square root of a negative number is not a real number. In this case, the radicand is x, so we need to have x ≥ 0 for the function to be defined.

Therefore, the domain of the function f(x) = -√x + 1 is x ≥ 0.

To find the range of the function, we can consider the behavior of the function as x approaches infinity and as x approaches zero. As x approaches infinity, -√x approaches negative infinity, so -√x + 1 approaches negative infinity + 1 = -∞. As x approaches zero from the right, -√x approaches 0, so -√x + 1 approaches 1.

Therefore, the range of the function is y ≤ 1.

So, the correct option is 3. x ≥ 0 and y ≤ 1.

Please Help ASAP! Rewrite x^4y^2 − 3x^3y^3 using a common factor.
A. 3xy(x^3y − x^2y)
B. 3xy^2(x^2 − x^2y)
C. x^2y(xy − 3xy^2)
D. x^2y^2(x^2 − 3xy)
I think it's B. But I might be wrong.

Answers

Answer:

Step-by-step explanation:

you are completely right please follow your heart <3

It’s actually D.

You have to look at both x and y and it’s power. You have to look for the lowest power for x and y. For y as you can see that the lowest power is 2. As for x it can be either power of 3 or even 2. When you removed x^2 and y^2 from the equation. The inside parenthesis will be x^2-3xy. Just remember when you divide both x^2 and y^2, you subtract the power.

When you get the answer, please check the answer if it’s the same as the original. Meaning distribution both x^2 and y^2 to inside parenthesis. And for the power, you add them. This way you can double check and see if it’s the same.
Please Help ASAP! Rewrite x^4y^2 3x^3y^3 using a common factor.A. 3xy(x^3y x^2y)B. 3xy^2(x^2 x^2y)C.

If CD is a segment bisector of AB and AB = 17, find AP. Question 19 options: A) 17 B) 34 C) 68 D) 8.5

If CD is a segment bisector of AB and AB = 17, find AP. Question 19 options: A) 17 B) 34 C) 68 D) 8.5

Answers

Answer:

8.5.....

Step-by-step explanation:

The length of AP is 8.5 units.

To find length of AP.

What is bisector?

Bisecting a line is cutting a line exactly in half. It may also be referred to as constructing a perpendicular bisector as the line you are drawing will be at a right angle to the original line. A line, a ray, a line segment, or a point that cuts a line segment at the center dividing the line into two equal parts.

Given that:

AB=17 units

The segment bisector is a line that passes through the midpoint of a given segment.

It's a segment bisector which means the other line bisects the direct middle of AB. 17/2 is 8.5, meaning that AP should be 8.5.

AP=8.5

So, the length of AP is 8.5 units.

Learn more about bisector here:

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/ / * ANSWER PLS * / / MK and ML are tangent to circle J. If MK = 6x – 15 and ML = 2x + 9, find x.

/ / * ANSWER PLS * / / MK and ML are tangent to circle J. If MK = 6x 15 and ML = 2x + 9, find x.

Answers

Answer:

x=6

Step-by-step explanation:

As MK and ML are tangent to the circle, they are also congruent (MK = ML). Thus we can set the equation:

6x-15 = 2x+9

Now solve for x:

6x-2x = 9+15

4x=24

x=6

Answer:

B.

Step-by-step explanation:

MK and ML are tangents to a circle and " originating from the same point" so

MK=ML

Since MK = 6x-15 and ML = 2x+9

So,

6x-15 = 2x+9

6x-2x = 9+15

4x = 24

Dividing both sides by 4

So, we'll get

x = 6

ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part 1
The last 5 questions/screenshots will be on my next question/post.

ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part
ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part
ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part
ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part
ALEKS homework. first 5 questions/screenshots. (this was due yesterday but thank god I have a 504!) Part

Answers

1. 12- 3w.

   4(2w + 3) - 11w

   Distribute: 8w + 12 - 11w

   Simplify: 12 - 3w

2. a. 0.96

       1 - 0.04 = 0.96

    b. $34,368

       0.96 × $35800

3. a. $33,040

       0.08 × $413000

   b. $446040

       $413000 + $33040

4. $26.40

   $33 - 0.2($33)

5. 170%

   (243 - 90)/90

   153/90 = 1.7 = 170%

Someone plz check this work and tell me that this is right (I WILL GIVE YOU 50 POINTS)

Someone plz check this work and tell me that this is right (I WILL GIVE YOU 50 POINTS)

Answers

Answer:

This work is correct

Step-by-step explanation:

Was that all?

Answer: it's correct 100%

Which of the following expressions are equivalent to minus, start fraction, 2, divided by, minus, 13, end fraction?

I will give Brainliest to whoever answers the best!

Answers

Answer:

Step-by-step explanation: The equivalent expression will be (-2)/ (-13) and-(-2/13) so option (A) and option (B) both will be correct. In such a fraction, the value that appears above the horizontal line is referred to as the numerator. It represents the number of pieces removed from the whole.

The denominator of a fraction is the numerical value that comes before the brings together various.

If we divide two numbers by each other than the upper word is called the numerator, and a lower word is called the denominator. For example, a fraction 1/5 here 1 will be the numerator and 5 will be denominated.

Given that now since the multiplication of - and - quantity is always positive so - and - is positive so it will be 2/13

If you take both options A and B in both options, the negative sign is going to be canceled and it will give a positive value.

Hence "The equivalent expression will be (-2)/ (-13) and-(-2/13)".

Step-by-step explanation: The equivalent expression will be (-2)/ (-13) and-(-2/13) so option (A) and option B) both will be correct. In such a fraction, the value that appears above the horizontal line is referred to as the numerator. It represents the number of pieces removed from the whole.
The denominator of a fraction is the numerical value that comes before the brings together various.
If we divide two numbers by each other than the upper word is called the numerator, and a lower word is called the denominator. For example, a fraction 1/5 here 1 will be the numerator and 5

Judi ate 2/3 of a small pizza and Jack ate 1/3 of a second small pizza.

Enter how much more of pizza Judi ate.

_______________________

Answers

She ate 1/3 more pizza then that other guy
She ate 1/3rd more than jack
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