Mathematics High School

Determine which of the lines, I any, are parallel or perpendicular. Explain.
1. Line a passes through (-2, 3) and (1. -1). 2. Line & y = --4x + 7
Line b passes through (-3, 1) and (1. 4). Line b: x = 4y + 2
Line c passes through (0, 2) and (3, -2). Linee - 4y + r = 3
HELP PLEASE

Determine Which Of The Lines, I Any, Are Parallel Or Perpendicular. Explain.1. Line A Passes Through

Answers

Answer 1

9514 1404 393

Answer:

  1. line b is perpendicular to the other two, which are parallel

  2. line a is perpendicular to the other two, which are parallel

Step-by-step explanation:

1. The differences between coordinates (∆x, ∆y) are ...

  (-2, 3) -(1, -1) = (-3, 4) . . . line a

  (-3, 1) -(1, 4) = (-4, -3) . . . line b

  (0, 2) -(3, -2) = (-3, 4) . . . line c

When the (∆x, ∆y) values are identical, the lines are parallel. If the values are swapped, and one differs in sign, the lines are perpendicular.

  line b is perpendicular to lines a and b, which are parallel

__

2. When all of the equations are written in standard form, they are ...

4x +y = 7 . . . line ax -4y = 2 . . . line bx -4y = 3 . . . line c

As above, when the x- and y-coefficients are identical, the lines are parallel. If they are swapped and one is negated, the lines are perpendicular.

  line a is perpendicular to lines b and c, which are parallel

__

In the attached graph, the lines of part 1 are blue; those of part 2 are red.

Determine Which Of The Lines, I Any, Are Parallel Or Perpendicular. Explain.1. Line A Passes Through

Related Questions

Determine the constant of proportionality in the situation below.
Seven water bottles cost $14.28

Answers

The answer would be $99.40

Do division 14.28 divided by 7 = 2.04 :DStep-by-step explanation:

Which graph represents the equation -5x+4y>-1?

Answers

Answer: Choice D

======================================================

Explanation:

The inequality sign has an "or equal to", which means the boundary line will be solid. We can rule out choices B and C because they have dashed boundary lines.

A solid boundary line means that points on the boundary are part of the solution set.

Now let's see what happens when we plug in a point like (x,y) = (4,0). This will tell us how to shade the blue region.

[tex]-5x + 4y \ge -1 \\\\-5(4) + 4(0) \ge -1 \\\\-20 \ge -1 \\\\[/tex]

This is false because -20 is not larger than -1. It's the other way around.

This tells us the point (4,0) is not in the blue shaded region, and it's not on the boundary line either. We can rule out choice A because of this.

The only thing left is choice D, which is the final answer. I recommend plugging a point from this region into the inequality to confirm we have a true statement.

a window washer cleaned 28 windows in 4 hours. At this rate how many windows did he clean in 9 hours

Answers

Answer:

63

Step-by-step explanation:

28/4 = 7 windows per hour

7 × 9 = 63 windows in 9 hours



A number x is less than 8 or at least 4.

Answers

Answer:

8>x≥4

Step-by-step explanation:

x cannot be greater than 8 but is greater than or equal to 4

ANSWER THIS PLEASEEEEES​

Answers

-2!!! hope this helps!:)

Question is: Andre solved an equation, but when he checked his answer he saw his solution was incorrect. He knows he made a mistake, but can’t find it. Where is andres mistake and what is the solution to the equation?

Answers

Answer:

-1=x He messed up on the third step.

Step-by-step explanation:

I worked out the equation and found that when he switched -6x over to -4 he did not change the symbol. So instead of 6+4 he did 4-6. I finished the equation and got -1

Select the table that represents a linear function. (Graph them if necessary)

Answers

Wait sorry I don’t see the tables and the linear functions

Answer:

b

Step-by-step explanation:

1 1/4 hours is = how many minutes

Answers

Answer: 75 minutes

Step-by-step explanation:

Answer:

75 minutes

Step-by-step explanation:

1 hour= 60 minutes

1/4 of an hour= 25 minutes

1 1/4= 75 minutes

Hope this helped!

-4x - 5y = 3
4x+8y=-24

Answers

Answer:

damm this looks hella hard

Step-by-step explanation:

Answer:y=-7, x=8

Step-by-step explanation:add two equations together, 4x+-4x and -5y + 8y, and so 3y=-21, and you get y and go on from there, getting the answer.

Keeley ordered 240 T-shirts to sell at the school carnival. She paid $3.20
per shirt, plus 5% of the total order for shipping. When she sells each T-
shirt at the carnival, she adds a 150% markup to the total price she paid for
the shirt (including the cost of shipping). What is the selling price of each T-
shirt?

Answers

Answer:

We have 200 shirts

Cost $2.80 each

plus a 5% charge for shipping.

Selling price

150% markup

Recall when we use percentages, we need to express them as decimals.

Michelle's cost for each shirt was

2.80 (1.05) = 2.94

The markup is

2.94 (1.50) = 4.41

The markup is added to the cost to get the final selling price.

2.94 + 4.41 = $7.35

Michelle will sell each shirt for $7.35.

Let’s reword the question to make it simpler to understand:

Keeley pays $3.20 per shirt + 5% for shipping.

She sells them at the carnival for 150% the price she paid.

First of all we should work out how much the 5% shipping cost Keeley.

If the shirts are $3.20 that means 10% is $0.32, to get 5% we divide that by 2. This means 5% is $0.16, therefore shipping is $0.16.

The total price Keeley pays per shirt is $3.20 + $0.16 = $3.36.

Now let’s find out 10% of $3.36, which is $0.336, then multiply that by 15 to get 150%:

5.04

Therefore Keeley sells each shirt for $5.04

convert 7yd 2ft = ____ft

Answers

Answer:

23 feet

Step-by-step explanation:

1 yard = 3 feet, so 7 yards is 21 feet, plus 2 is 23 feet.

23ft got it right no my test

Container A and Container B have leaks. Container A has 800 ml of water, and is leaking 6 mil per minute. Container B has 1,000 ml, and is leaking 10 mil per minute. Write and equation that would show how many minutes, m, it take for the two containers to have the same amount of water.

Answers

Answer:

50 minutes (I think)

Step-by-step explanation:

A= 800 - 6m

B = 1000 - 10m

800 - 6m = 1000 - 10m

4m = 200

50 = m

What ratio will have a trail with 7:2

Answers

Answer:

7/2

Step-by-step explanation:

Its 7/2. Okokoookokoko Ok

Question 6 (2 points)
Use the graph to find the value of f(x) when x=1 for the function f(x)=x2-5.

Answers

Answer: is Butt cheeks on a stick yes yes

help ASAP part 3/9
math

Answers

Answer:

Step-by-step explanation:

12-3y<27

-3y<15

divide by negative 3. note: when you divide by a negative, the inequality sign flips

y>-5

What is the slope of a line PERPENDICULAR to y = -x + 2.5

Answers

The answer is y=x +2.5

Answer:

M = -1

Step-by-step explanation:

What’s 0.2 repeating as a fraction?

Answers

Answer:

1/5

Step-by-step explanation:

Answer:

1/5 are you joking?

Step-by-step explanation:

HELP PLEASE will mark brainly

Answers

Answer:

.6 is more than 1/2

.34 is less than 1/2

.812 is more

.9 is more

.099 is less

Step-by-step explanation:

1/2 as a decimal is .5 so anything larger than it will be .51 or greater and anything less will be .49 or less

Answer:

.6 is more than 1/2

.34 is less than 1/2

.812 is more than 1/2

.9 is more than 1/2

0.99 is more than 1/2

Step-by-step explanation: What is 1/2? 0.5. Look at the tenths place. Is the tenth higher than 5 or less than 5? But here is a warning: If you are comparing 1/2 and 1.4, 1.4 is greater than 1/2 because 1/2 is less than 1.

Next week your math teacher is giving a chapter test.
The test will consist of 35 questions. Some problems
are worth 2 points and some problems are worth 4 points.
There are 20 questions worth 2 points. How many
problems of 4 points are on the test?
I
November 12: 4-1. Solving Page
2

Answers

Answer:

15

Step-by-step explanation:

35-20= 15

Estimation helps you check your answer by seeing if the estimate is close to the result you got. ... Estimation is useful when finding actual products and solving real-world problems because if your actual answer is close or exactly what you had estimated your answer will most likely be correct.

Answers

Answer:

Estimation is useful when finding actual products and solving real-world problems because if your actual answer is close or exactly what you had estimated your answer will most likely be correct.

Answer:

nuggts

Step-by-step explanation:

Write the equation y = 4x – 20 in Standard Form (AX + By = C) with integer coefficients

HELP ASAP PLEASE

Answers

Answer:    4x - y = 20

=============================================

Work Shown:

y = 4x - 20

4x - 20 = y ...... swap both sides

4x = y + 20 ..... adding 20 to both sides

4x - y = 20 .... subtracting y from both sides

The equation is now in standard form (Ax+By = C) where,

A = 4B = -1C = 20

What is the equation of the function shown in the graph provided?

f(x)=?

Answers

Answer:

f(x)=3x

Step-by-step explanation:

Why do you think it is important to graph certain values?
Send help asap (´༎ຶོρ༎ຶོ`)

Answers

Graphs aren't mandatory, but they may help visual learners see why an equation works a certain way. Also, they are a visual tool to quickly find a solution to a problem. Furthermore, they help with presentations to quickly convey an idea to someone (who may not be well versed in mathematics).

For example, if you save $10 a week and already have $50 in a savings account, then the equation you graph is y = 10x+50. Here x is the number of weeks and y is the amount saved.

Now let's say you want to find out how many weeks it would take to have $90 total. You could use guess and check to get the answer. Or you could use algebra and the substitution property. The visual way would be to graph y = 10x+50 and y = 90 together to note how the two lines intersect at (4, 90) to indicate it will take x = 4 weeks to have y = 90 total.

A club has four officials : president, vice-president, secretary, and treasurer. If a member cannot hold more than one office, in how many ways can the officials be elected if the club has - (12 members) *​

Answers

Answer:

votes

Step-by-step explanation:

A telescope is on sale for $126. This represents a 30% discount. What was the original price of the telescope?

Answers

Answer:

163.80 hope this helped

Step-by-step explanation:

What can you hold in your right hand but not your left?

Answers

Answer:

Your left elbow/left hand

Step-by-step explanation:

Alicia has been putting her money from work into her savings account. The equation f(x)=13x+100 can be used to represent the increase of money to her savings account. Find f(18).

Answers

Answer:

f(18)=334

Step-by-step explanation:

f(x)=13x+100f(18) = 13(18)+100f(18)=234+100f(18)=334

The point slope form of a line with a slope of 2 through (1, 4) is y – 4 = 2(x – 1).
Group of answer choices

True

False

Answers

Answer:

TRUE

Step-by-step explanation:

y-4 = 2(x-1)

here, 4 is representing the y value and 1 is representing the x value.

And the slope is 2.

Q1.is the given value of the variable , s, a solution to the inequality?s > -2.25; s = -2.2
1.yes 2.no
Q2.which value of the variable is a solution of the inequality?t > -7
1. -9
2. -8
3. -7
4. -6

Answers

Answer:

1.Yes

Step-by-step explanation:

write the equation of a line in slope-intercept form that has a slope of 2/3 and a y-intercept of (0,4)

Answers

Answer:

2/3+0x4=2/3

Step-by-step explanation: that was math right there

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