Determine whether AB and CD are parallel, perpendicular,
or neither.
A (12,3), B(-3,9), C (-6,4), D (-2,-6)

Answers

Answer 1

Answer:

Step-by-step explanation:

we can find the equations for both lines and analyze after

[tex]y = mx + b\\where\\m = \frac{y_2-y_1}{x_2-x_1}\\\\[/tex]

AB:

[tex](12, 3), (-3, 9)\\m = \frac{9-3}{-3-12} = \frac{6}{-15} = \frac{-2}{5}[/tex]

[tex]y = \frac{-2}{5}(x) + b\\3= \frac{-2(12)}{5} + b\\3 = \frac{-24}{5} + b\\b = \frac{39}{5} \\y = \frac{-2}{5}(x) + \frac{39}{5}[/tex]

CD:

[tex](-6, 4) (-2, -6)\\m = \frac{4-(-6)}{-6-(-2)} = \frac{10}{-4} = \frac{-5}{2} \\y = \frac{-5}{2}(x) + b\\4 = \frac{-5(-6)}{2} + b\\4 = 15 + b\\b = -11\\y = \frac{-5}{2}(x) - 11[/tex]

Determining whether two lines are parallel or perpendicular involves looking at their slopes. AB has a slope of -2/5, CD has a slope of -5/2. Since these are not equal (not parallel) and not negative reciprocals of each other (not perpendicular), the lines are neither perpendicular or parallel.


Related Questions

Question 5 : CONSUMER MATH

Answers

Answer:

23.1345 is the answer I am not that sure though

what is the sum of the 2nd square number and the 5th cube number

Answers

Answer:

129

Step-by-step explanation:

4+125=129

The sum of the 2nd square number and the 5th cube number is 129.

What is the number system?

A number system is defined as a way to represent numbers on the number line using a set of symbols and approaches. These symbols, which are known as digits, are numbered 0 through 9.

As per the given question, the required solution would be as:

1, 2, 3, 4, 5....

1, 4, 9, 16, 25 ...

So, the second square number will be 4.

1, 8, 27, 64, 125, ...

So, the fifth cube number will be 125.

The sum of the second square number and the fifth cube number is :

4 + 125 = 129.

Learn more about the number system here:

brainly.com/question/21751836

#SPJ2

Ethan has some money in his savings account when he starts his new job as a Jimmy John's delivery guy. After starting, he decides to save the same amount from his paycheck each month. After 3 months, Ethan has 560 dollars in his savings, and after 6 months, he has 920 dollars. Find an equation that gives the amount saved ("y") after "x" months.

Answers

Answer:

y = 360x+200

Step-by-step explanation:

We will use the concept of finding the equation of a line using two coordinates (x1,y1) and (x2,y2)

If after 3 months, ethan has 560 dollars in his savings, and after 6 months, he has 920 dollars, this can be represented as coordinate points (3,560) and (6,920)

The equation of a line in point slope form is expressed as;

y = mx+c

m is the slope = ∆y/∆x = 920-560/6-3

m = 360/3

m = 120

Get the intercept;

Substitute m = 120 and any of the points to get c, using the point (3,560)

x = 3, y = 560

560 = 120(3)+c

560 = 360+c

c = 560-360

c = 200

Get the required equation by substituting m and c into y = MX+c

y = 360x+200

B. What fraction of the letters of the English language are vowels? (points)

Answers

Answer:

5/26.

If you count y as a vowel it is 3/13

Step-by-step explanation:

What is the x-intercept of the line?

Answers

Answer:

which one is crossing the x axis then you will get your x intercept.

Step-by-step explanation:

Katarina wrote the standard form of a linear equation as 4x – 4 x minus StartFraction 2 Over 3 EndFraction y equals 8.y = 8. Sofiya told her that the equation was not yet in standard form and gave her the right advice for how to fix it. What advice did Sofiya give to Katarina?

Multiply both sides of the equation by 3. The standard form of the equation is 12x – 2y = 24.
Multiply both sides of the equation by 3 and then divide both sides by 2. The standard form of the equation is 6x – y = 12.
Multiply both sides of the equation by 3. The standard form of the equation is 12x – 2y = 8.
Multiply both sides of the equation by 3 and then divide both sides by 2. The standard form of the equation is 6x – y = 4.

Answers

9514 1404 393

Answer:

  Multiply both sides of the equation by 3 and then divide both sides by 2. The standard form of the equation is 6x – y = 12.

Step-by-step explanation:

The standard form has mutually prime integer coefficients, with the leading coefficient positive. Clearing Katrarina's fraction of 2/3 can be accomplished by multiplying the equation by 3/2, as Sofiya advised.

The standard form is ...

  6x -y = 12

solve this problem: 125^-1/3×49^-1/2 ​

Answers

I believe the answer is: 1/35

Hope this helps!!

Lee buys a parcel of land in the shape of a rectangle. It has an area of 1,125 square feet and a width of 25 feet. What is the length of the parcel of land? Show your work.

Answers

Answer:

45 feet

Step-by-step explanation:

Area of a rectangle = length × width

Area of the rectangle = 1,125 square feet

Length of the rectangle = x feet

Width of the rectangle = 25 feet.

What is the length of the parcel of land?

Area of a rectangle = length × width

1,125 = x * 25

1,125 = 25x

Divide both sides by 25

x = 1,125 / 25

= 45

x = 45 feet

The length of the parcel of land is 45 feet

show proof for all of these (for points, brainlist.) 880 x 12 = 10560 (proof)
-
197 divided 7 = 28
1 Remainder (proof)
-
$98 x $687= 67 326 U.S (proof)
-
936 x 39 =36504 (proof)
-
39 x 936 = 36504 (proof)
-
804 x 93 = 74772
(PROOF)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SHOW PROOF FOR ALL OF THEM! TY (ASAP)

Answers

Answer: Multiply 93 by 804 and that will give you

74772x

Multiply 12 by 880 and that will give you

10560x

Exact Form:

1977

Decimal Form:

28.14285714…

Mixed Number Form:

2817

Multiply 687 by 98 that will give you

67326  

Multiply 936 by 39 and that will give yoou

36504x

Step-by-step explanation:

A bottle of hand sanitizer is on sale for $2.25. IF this price represents a 50% discount from the original price, what is the original price to the nearest cent?

Answers

Answer:

4.50

Step-by-step explanation:

2.25x2=4.50

hello

you jog 3.6 miles in 30 minutes. at the rate how long will it take you to jog 4.8 miles?​

Answers

40 mins

hope this helps

have a good day

Find AB
Round to the nearest tenth.

Answers

19.2
To find the hypotenuse the equation would be: a^2 + b^2 = c^2.
12 squared is 144 and 15 squared is 225. Add them and you get 369. Then, square root 369 to isolate c. It'd be about 19.2

Estimate how much MORE water it would take to completely FILL the vase to the top?

Answers

Answer:

81πinc^3

Step-by-step explanation:

Volume of glass = π(3)^2(12) = 108πin^3

Volume of water in glass = π(3)^2(3) = 27πin^3

Volume needed to fill completely = 108π - 27π = 81π^3

Topic: Mensuration

If you like to venture further, please give my Instagram page a follow (learntionary). I'll be constantly posting math tips and notes! Thanks!

What is the area of this quadrilateral?

A. 34 square feet

B. 60 square feet

C. 48 square feet

B. 36 square feet

Answers

Answer:C

Step-by-step explanation:

9×4=36

2×.5×4×3=12

36+12=48

Rewrite this statement 8 x 2 + 5 = 56

Answers

Answer:

8+293#+99393489494

Step-by-step explanation:

what?

Select the correct answer. Which number best represents the slope of the graphed line?

A.-5

B.-1/5

C.1/5

D.5

Answers

Answer:

1/5

Step-by-step explanation:

Answer:

(1/5)

Step-by-step explanation: I did it, got it right.

there were 40 questions on Roberts test. How many problems did Robert get right if he received an 87.5% oh his test?

Answers

Answer:

Robert got 35 problems right if he received an 87.5% oh his test.

Step-by-step explanation:

Total questions = 40

As Robert got right 87.5% on his test.

so the expression becomes

87.5% × 40

= 87.5/100 × 40

= 0.875 × 40

= 35

Therefore, Robert got 35 problems right if he received an 87.5% oh his test.

Find the measure of the angle indicated in bold

Answers

Answer:

Which of these factors is involved in earthquake formation?

plates getting larger

rocks breaking

stress that decreases

faults that remain stationary

Step-by-step explanation:

6x = 5x + 10
subtract 5x on both sides
x = 10
substitute back into 6x
6(10) = 60
measure of the angle is 60 degrees

Write the slope- intercept form of the equation of each line.​

Answers

Answer:

y=-2/1 -5

Step-by-step explanation:

The y-intercept is -5 because the blue line goes through the y-axis at -5 and the slope is -2/1 because you take two points where the blue line goes through and perform the rise over run method to get the slope.

Samuel orders four DVDs from an online music store. Each DVD costs $10.00. He has a 20% discount code, and sale tax is 6.75%. What is the total cost of his order

Answers

Answer:

$34.40

Step-by-step explanation:

this equation has 3 steps

1. to find out how much the dvds cost without any discount or tax: $40

2. the price of the dvds with the 20% discount, which can be found with cross-multiplication making the price after discount $32

3. the final price of the dvds with sales tax can be found also with cross-multiplication and the final answer would be 34.4

Answer:

$34.7

Step-by-step explanation:

40 x 0.0675 to find the tax.

40 x 0.8 to find how much to pay

40 x 0.0675 = 2.7

40 x 0.8 = 32

32 + 2.7 = 34.7

What are some random fun facts about you?
LOL I want to work at Starbucks but idek how to make my own coffee.

Answers

i work at my uncle’s restaurant but idr work

Answer:

lmbo

Step-by-step explanation:

Janine babysits for $14.50 per hour. She also works as a dishwasher at her family's restaurant for $9.50 per hour. Her family needs her to be at the restaurant at least 7 hours per week, but she can't work there more than 10 hours per week. She also does not want to work more than a total of 15 hours each week. She wants to make at least $140 per week.
Write a system of inequalities that represents the constraints on Janine's part-time jobs. Explain what your inequalities represent in the context of the problem.
Janine wants to earn as much money as possible next week. What combination of hours should she spend at each job to do this? Justify your reasoning. ​

Answers

Answer:

1) The system of inequalities are

14.5·x + 9.5·y  ≥ 140

7 ≤ y ≤ 10

x + y ≤ 15

2) 14.5·x + 9.5·y  ≥ 140 represents the total amount of money Janine can earn

7 ≤ y ≤ 10 represents the range of values, Janine can spend dishwashing

x + y ≤ 15 represents the total number of hours Janine will like to work each week

3) 8 hours babysitting, 7 hours dishwashing

Step-by-step explanation:

The given parameters are;

The amount per hour Janine makes from babysits = $14.50

The amount per hour Janine makes from dishwashing = $9.50

The minimum number of hours Janine can spend dishwashing = 7 hours

The maximum number of hours Janine can spend dishwashing = 10 hours

The maximum number of hours Janine can work each week = 7 hours

The minimum amount she wants to make each week = $140

Let x represent the number of hours Janine spends babysitting and let y represent the number of hours Janine spends dishwashing

1) From the question, we have;

14.5·x + 9.5·y  ≥ 140

7 ≤ y ≤ 10

x + y ≤ 15

2) Where

14.5·x + 9.5·y  ≥ 140 represents the total amount of money Janine can earn

7 ≤ y ≤ 10 represents the range of values, Janine can spend dishwashing

x + y ≤ 15 represents the total number of hours Janine will like to work each week

Making, y, the subject of the formula of the above inequalities and plotting as functions is given as follows;

y ≥ 140/9.5 - (14.5/9.5)·x

y ≤ 15 - x

3) In order to earn as much money as possible given that the amount Janine earns from babysitting is more than the amount she earns from dishwashing, Janine should spend the least amount of time dishwashing, which is 7 hours, as given, and then spend the remaining 8 hours babysitting to receive $14.5 × 8 + $9.5×7 = $182.5

Janine should work as a dishwasher for 7 hours, and as a babysitter for 8 hours, to earn as much money

Represent the hours babysitting with b, and the hour dishwashing with d.

So, we have the following systems of inequalities

[tex]14.5b + 9.5d \ge 140[/tex] ---her earnings[tex]7\le d \le 10[/tex] -- the time she can spend at the restaurant[tex]b + d \le 15[/tex] --- her weekly work hours

Next, we plot the graphs of the inequalities that represent the hours she can work.

i.e. the graphs of [tex]7\le d \le 10[/tex] and [tex]b + d \le 15[/tex]

From the attached graph, we have the following possible values

[tex](b,d) =(5,10) (8,7)[/tex]

Substitute these values in [tex]14.5b + 9.5d \ge 140[/tex]

So, we have:

At (5,10):

[tex]Earnings = 14.5 \times 5 + 9.5 \times 10[/tex]

[tex]Earnings = 167.5[/tex]

At (8,7):

[tex]Earnings = 14.5 \times 8 + 9.5 \times 7[/tex]

[tex]Earnings = 182.5[/tex]

The earnings at point (8,7) is greater than (5,10).

Hence, she should work as a dishwasher for 7 hours, and as a babysitter for 8 hours, to earn as much money

Read more about inequalities at:

https://brainly.com/question/18881247

Claire’s bedroom measure’s 16 feet by 18 feet. If the purple carpet that she wants to buy costs $3.59 per square foot, what will it cost to buy new carpet for her bedroom?

Answers

Answer:

1033.92

Step-by-step explanation:

I multiplied 16 and 18 to get the area of the room which was 288. Then I multiplied 288 by how much it would cost for one square foot ( 3.59) and got my answer. Sorry if I'm wrong!

Answer:

$1,033.92 I believe

Step-by-step explanation:

you would multiply 16 and 18 then once you get that answer multiply the answer by 3.59

I need help on this answer

Answers

Answer:

The answer is B (AKA) 102

Step-by-step explanation:

180-78

one angle is 180 degrees

Answer:

102

Step-by-step explanation:

These two angles together add up to 180 degrees because they are supplementary. All you have to do to find this answer is subtract 78 from 180 to get 102.

180-72=102

It is 85 miles from Central city to Smithville and 125 miles from Smithville to Jonesburg . How many gallons of gas will it take to drive from Central City to Smithville to jonesburg in a car which gets 30 miles per gallon .

Answers

Answer:

It will take 7 gallons of gas

Step-by-step explanation:

85 miles + 125 miles = 210 miles to drive

30 miles a gallon

210 ÷ 30 = 7

7 gallons needed

PLEASE HELP!!
Provide reasons for the following proof.

Answers

Answer:

here is the answer

Step-by-step explanation:

1 : the parallel line doesnot intresect on any points

2: beasuse they are corrusponding angle and it

doesnot equals

3: beacuse they are suplimentry angle

4: beacuse they have sum of 180°

5: statement 5 is worong there should be sum not difference

6 : this is also wrong statement there should be + not -

7: beacuse they have sum of 180° and also forms

liner pair

A rectangular prism is shown below.



What is the volume of the rectangular prism?
A. 260 cm
B. 240 cm
C. 220 cm
D. 200 cm

Answers

200 sq. cm. or 200^3

10x5=50

50x4=200

HELP ME PLEASE!!!! It’s an emergency

Answers

Answer:

the answer is 20

Determine the Slope of Each Tables

Answers

Answer:

A) 2

B) -5/2

C) -1

D) 3

Step-by-step explanation:

Hope this helps. Pls give brainliest.

Please help on this thanks

Answers

2n - 4 < 3n - 6
2n < 3n - 2
-n < - 2
n > 2
The answer would be D

[tex]2(n-2)<3n-6[/tex]

↝ Multiply 2 inside (n-2) as we get 2n-4

[tex]2n-4<3n-6[/tex]

↝ Inequality is almost the same as equation so you just do the same like equation.

[tex]2n-4-3n+6<0\\-n+2<0\\-n<-2[/tex]

↝ Since it's Inequality. When the variable is negative, you have to make it positive.

[tex]n<\frac{-2}{-1}\\n<2[/tex]

BUT! n < 2 isn't the right answer.

↝ Because for Inequality. Taking out the negative/Move the negative variable to another side ( from -n to n and -2 to -2/-1 = 2).

↝ You have to swap the inequality symbol after taking the off the negative variable.

For example, if it is -n < 2 then the answer will be n > -2

or -n < -3 then the answer will be n > 3

But if it is n>2-3 as we get n>-1, not n < -1 because the variable isn't negative at all.

Basically, we swap the inequality symbol when it's negative variable.

↝ Therefore, it's not n < 2 but it is n > 2

So the right choice is n > 2 also known as the ( D ) answer.

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