Explain the Error: Alan says that two lines in the coordinate plane are perpendicular if and
only if the slopes of the lines are m and 1/m. Identify and correct two errors in Alan’s statement.

Answers

Answer 1

Answer:

Check the step-by-step

Step-by-step explanation:

To get the perpendicular you need to find the negative reciprocal, therefore, he is wrong as he did not switch the negative/positive sign in m & 1/m. Also, if m is a fraction like 5/3, the reciprocal would not be 1/m, it would be 3/5 as you flip the denominator and numerator.


Related Questions

i really need help i have 1 minute to complete!!!!!

Answers

Answer:

8 angles are formed, and if angle one is 105° then angles 4, 5, and 8 are also 105°. and angles 2, 3, 6, and 7 would be 75°

Work out 1 3/4 x 4 1/6

Answers

175/24 is the answer.
ANSWER:
7 7/24 or 175/24

EXPLANATION:
1st: Convert your mixed fractions to improper numbers

2nd: Then you simply multiply them to get your answer

3rd: Make the improper fraction a mixed fraction or leave it as an improper fraction. That’s up to you to decide.

Hope this helps!!

- klhat percentage of 40 is 8?​

Answers

Step-by-step explanation:

8/40 x 100% = 20%

Topic: percentage

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

What is the value of the expression

Answers

Answer:

[tex]( {4}^{ \frac{1}{2} } \times \frac{2}{ \sqrt[4]{16} } ) - (10 \div 2)[/tex]

=

[tex]( { {2}^{2} }^{ (\frac{1}{2}) } \times \frac{2}{ {16}^{ \frac{1}{4} } } ) - 5[/tex]

[tex](2 \: \times \: \frac{2}{ ({2}^{4}) ^{ \frac{1}{4} } }) - 5[/tex]

[tex](2 \: \times \: \frac{2}{2} ) - 5[/tex]

= (2×1) -5

= 2 - 5

= -3

the table below represents a proportional relationship the unit rate of the relationship is ______?

Answers

Answer:

It is 3

Step-by-step explanation:

I know it is 3 because multiply every nimber on the and you will get the number frome the bottom.

A grocery store is selling peaches for $0.98 per pound. Is this a function or Not function

Answers

Answer:

This is a function. Use y=mx+b equation

Step-by-step explanation:

To find the x and y values, simply plug in 0.98 to m. For every pound of peaches, you pay $0.98. The equation would be y=0.98x, where x is the number of pounds of peaches and y is the total cost.

Find the value of X in the triangle

Answers

Answer:

             44°

Step-by-step explanation:

[tex]m\angle BAC=180^o-124^o=56^o\\\\\overline{AB}=\overline{BC}\quad\implies\quad m\angle BCA=m\angle BAC=56^o\\\\m\angle ABC=180^o-2\cdot56^o=68^o[/tex]

[tex]m\angle DBE=m\angle ABC=68^o[/tex]   {vertical angles}

[tex]\overline{BD}=\overline{DE}\quad\implies\quad m\angle DEB=m\angle DBE=68^o\\\\m\angle x=180^o-2\cdot68^o=44^o[/tex]

Rich and Betsy Cuik started a small business. They manufacture a microwavable coffee-to-go cup called Cuik Cuppa Coffee. It contains spring water and ground coffee beans in a tea-bag-like pouch. Each cup costs the company $1.00 to manufacture. The fixed costs for this product line are $1,500. Rich and Betsy have determined the demand function to be q = -1,000p + 8,500, where p is the price for each cup.
Write the expense equation in terms of the demand, q.
Express the expense equation found in part (a) in terms of the price, p.

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Answer: E= 1.00q + 1,500

Step-by-step explanation:

You guys are life savers but does anyone know the answers to these questions? I’m so confused rn

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Answer:

The third choice

Step-by-step explanation:

We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be [tex]\frac{3}{-1}[/tex] , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.

Find the area of the circle.

Answers

Answer:

8.938

Step-by-step explanation:

Answer:

dont at me if its wrong but i think its the second one

Step-by-step explanation:

Katie say whaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaatttttttttttttttttttt

Answers

Answer:

fr

Step-by-step explanation:

Do u think I should get a belly button piercing? I’m going to be 16 soon.. I already have a nose piercing tho so idk if that would be to much?

Answers

Answer:

no. i think that is weird-ish.

Step-by-step explanation:

Which slope-intercept equation is parallel to the line y = 2x – 4 and goes through the point (0, 5).
a y=2x+5
b y=2x+1
c y=-1/2x-4
d y=-1/2x+5

Answers

Answer:

A.

Step-by-step explanation:

Sorry I can't really explain

Which slope-intercept equation is parallel to the line y = 2x – 4 and goes through the point (0, 5).
a y=2x+5
b y=2x+1
c y=-1/2x-4
d y=-1/2x+5

Your answer would be A
If this helped can I please get brainliest

PLEASE WILL GIVE BRAINLIEST!!

Answers

Step-by-step explanation:

Hey there!

According to the figure;

9v = 31° + 4v + 44° { The exterior angle is equal to the sum of opposite adjacent interior angles}

9v-4v = 44°+31°

5v = 75°

v = 75°/5

Therefore, v= 15°.

Hope it helps...

The scale of a map is 2/5 inches represents 3 miles. How much does 1 inch represent?

Answers

Answer:

DEEEEEEZ NUTTTTTTZ

Step-by-step explanation:

A child 4 1/2 feet tall casts a 6-foot shadow. A nearby statue casts a 12-foot shadow.​

Answers

Answer: The statue is 9 feet tall.

Step-by-step explanation: Just double all of your values because 12 is 6x2.

A bee flies at 20 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 15 ​minutes, and then flies directly back to the hive at 16 feet per second. It is away from the hive for a total of 20 minutes.
b. How far is the flowerbed from the​ hive?

Answers

Answer:

Multiply 20

answer:[tex]20^{2}[/tex] feet

Step-by-step explanation:

PLZZZZ HELP ME!!!!! factor 15x + 81

Answers

Answer: 3(5x+27)

Step-by-step explanation:

15 and 81 are both divisible by 3.

Answer:

-5.4

Step-by-step explanation:

x= -81/15= -5.4

True or False?
2^3 < 3^2​

Answers

Answer:

True

Step-by-step explanation:

[tex]2^{3} <3^{2} \\2*2*2<3*3\\8<9[/tex]

Answer:

True

Step-by-step explanation:

A function f(x)is graphed on the coordinate plane.

What is the function rule in slope-intercept form?



Enter your answer in the box.

f(x)=

Answers

Answer:

[tex]f(x)=2x+1[/tex]

Step-by-step explanation:

At x=0, the y is at 1  

at x=1, y went up to 3

the change between 3 and 1 is 2 therefore the equation is

[tex]f(x)=2x+1[/tex]

I hope this helps you and good luck!

At a fair there are 18 game booths and 27 food booths. The fee for a food booth is $75 plus $5 per day. The fee for a game booth is $50 plus $8 per day. The fair lasts for d days, and all of the booths are rented for the entire time. Write and simplify an expression for the amount in dollars that the company is paid.

Answers

Answer:$$4444

Step-by-step explanation:

1. What is the m value (slope) and the b value (y-intercept)
in the equation y = 4x - 2 (m=
b=
2. What is the formula for slope?

Answers

[tex]y=4x-2[/tex]

m = 4 and b = -2

Formula to find slope can be meant 2 ways.

( 1 ) m = rise/run

( 2 ) [tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex] if it's a small text then it's m = y2-y1 / x2-x1

the scale of a map says that 6cm represents 15 km. what distance on the map represents an actual distance of 6 kilometres ​

Answers

Answer:

2.4 cm

Step-by-step explanation:

[tex] \frac{6}{15} = \frac{x}{6} \\ \\ 15x = 6 \times 6 \\ \\ 15x = 36 \\ \\ x = \frac{36}{15} \\ \\ x = 2.4[/tex]

Pls help ASAP!

What postulate are the triangles congruent by?

Answers

Answer:

If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle, the triangles are congruent.

-3-(0.5) on a number line

Answers

Answer:

-3.5

Step-by-step explanation:

mark on the left side of the number line where -3.5 is.

Misha found that the equation –|2x – 10| – 1 = 2 had two possible solutions: x = 3.5 and x = –6.5. Which explains whether or not her solutions are correct?

She is correct, because both solutions satisfy the equation.
She is not correct, because she made a sign error.
She is not correct, because there are no solutions.
She is not correct, because there is only one solution: x = 3.5.

Answers

She is not correct, because there are no solutions.

Explanation: If you isolate the absolute value by adding 1 both sides of the equation, you get -|2x-10|=3. There are no solutions, because the left side of the equation will always be negative and will never equal 3.

She is not correct, because there are no solutions. (Option C).

What is an equation?

An equation refers to any mathematical statement that contains the equality sign. Now we can see in the equation that there is a negative sign before the absolute value.

Now we have;

–|2x – 10| – 1 = 2

–|2x – 10| = 3

This is not possible because the absolute value does not return a negative value and the expression can never equal 3.

Thus, she is not correct, because there are no solutions.

Learn more about equation:https://brainly.com/question/10413253?

#SPJ9

What is the slope of the line that passes through the points (-6 , -4) and ( -12 , -4)? Write in simplest form plssss!

Answers

Answer:

the slope is zero

Step-by-step explanation:

Answer:

I think that: slope (m) = 0

Step-by-step explanation:

the equation of slope is m = y2-y1/x2-x1

so, y2 = -4, y1 = -4, and x2=-12, and x1= -6

Just substitute them into the equation:

m = -4 - -4 / -12- -16

m = 0

The slope is equal to 0

I hope this helps!

If m <1 = 7x and m <4 = 3x + 20, what is the m <2?
2
14
35
5

Answers

Answer:

It would be 35

Step-by-step explanation:

Angle 1 and Angle 4 are equal so then you can solve for x.

7x = 3x + 20

x = 5

Then plug in 5 for x

7(5) = 35

Write a linear function f with f(0) = 2 and f(2)=4.
f(x) =

Answers

Answer:

f(x) = x + 2

Step-by-step explanation:

(0, 2)

(2, 4)

Slope m = (4 - 2) / (2 - 0) = 1

y - 2 = 1(x - 0) ⇔ y = f(x) = x + 2

The probability that Terry buys a sandwich is 0.4.
The probability that Terry gets the bus is 0.9.
Assuming the events are independent, what is the probability that Terry buys a sandwich and gets the bus?

Answers

Answer:

The probability that Terry buys a sandwich and gets the bus is 0.36

Step-by-step explanation:

When two events are called independent, it means that the happening of one event doesn't affect the happening of other event.

Let A be the event that Terry buys a sandwich

Let B be the event that Terry gets the bus

Then

[tex]P(A) = 0.4\\P(B) = 0.9[/tex]

When two events are independent, their probabilities are multiplied i.e.

[tex]P(A\ and\ B) = P(A) * P(B)\\= 0.4 * 0.9\\= 0.36[/tex]

Hence,

The probability that Terry buys a sandwich and gets the bus is 0.36

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