Mathematics High School

Write an equation of the line that passes through the given point and is perpendicular to the given line.

(–6, –4); y =1/3x + 1

Answers

Answer 1
Perpendicular = opposite sign and reciprocal slope
Slope would be negative and reciprocal of 1/3, slope = -3
Plug into y = mx + b
y = -3x + b, plug in point
-4 = -3(-6) + b, b = -22
Solution: y = -3x - 22

Related Questions

write an equation of the line that passes through (3, -1) and is parallel to 2x-y=6

Answers

2x-y=6

-y=6-2x

y=-6+2x

y=2x-6

So you want a slope parallel to that of y=2x-6

So the slope will be m=2

Now you use the point slope formula to plug it in. Let (x1,y1) be (3,-1) so x1=3 and y1=-1

And let m=2

So

y-y1=m(x-x1)

So you have

y-(-1)=2(x-(3))

so this gives you

y+1=2(x-3)

Solving for y

You get

y=2(x-3)-1

y=2x-6-1

y=2x-7

So your answer is

y=2x-7

Hope this helps!

What is the value of |-25|?
Please help me ASAP

Answers

25 I hope this helps

Answer: 25

Step-by-step explanation:

help plz :(((((((((((((

Answers

Answer: ITS A! I HAVE THE SAME TEST!

Step-by-step explanation:

Triangle ABC is located on a coordinate plane. Triangle ABC is transformed to create triangle A'B'C using the rule described below.
(z, y) → (u + 6,z +6)
Are triangles ABC and A'B'C'congruent?

Answers

Answer:

What grade is this

Step-by-step explanation:

I can give you the answer but you have to be patient like 30 min

PLEASE(100 points)

f(x)= blank ,if -3≤x<-1
blank, if -1≤x≤1

Answers

hello

from the first interval you’re given, you can see the slope is 1, and if you were to extend that line you would get the y-intercept to be 3

the second interval given you can see that every point will have the y-value as 5

so for your first blank it should be x+3 and your second blank should be 5

hope this helps
let me know if you got confused on anything and i will do my best to help
have a nice day :)

Juan is 15 years old. Emanuel is twice as old as 3/4 of Juan's age which is represented by the following expression: 2 (3/5 x 15). How old is Juan's brother Emanuel? A 36 years old B. 18 years old C. 9 years old D. 7 years old​

Answers

it should be b. 18 years old

Answer:

He's 18

Step-by-step explanation:

3/5 x 15= 9

9x2=18

He is 18

If you take a number, times by 5 then subtract 9. You get the same as if you took the number, times by 4 then add 1. What is the number?

Answers

Answer:

10

Step-by-step explanation:

Let the number be x

5x - 9 = 4x + 15x - 4x = 1 + 9x = 10

Proof:

50 - 9 = 40 + 1

please help, look at the photo, it’s urgent

Answers

Answer:

C

Step-by-step explanation:

Could you help me on my history please

The cost of making a phone is $152. A store sells the phone for $281.20.

Select all the expressions that could be used to find the percentage of markup for the phone.

Answers

Answer:

The store is selling the phone by 185% of its value...

Step-by-step explanation:

You just gotta divide 281.20 (the value of the phone at the store), and divide it up by 152 (its original value). And multiply the result by 100 to get the percentage.

[tex](\frac{281.00}{152})(100) = (1.85)(100) = 185%[/tex]%

What is the slope of the line that passes through the points listed in the table.

It should be easy I’m just not smart.

Answers

Answer:

this answer will be b

Step-by-step explanation:

The speed of sound in air is 343 meters per second. You see lightning and hear thunder 12 seconds later.

Answers

The distance from the lightning strike is 4,116 meter.

What is relation between speed, distance and time?

The relation between speed, distance and time is defined as,

Distance = Speed x Time

Given that;

The speed of sound in air = 343 meters per second

Time to see lightning and hear thunder = 12 second.

Since, Distance = Speed x Time

Substitute values in above equation,

Distance = 343 x 12

             = 4,116 meter.

Hence, The distance from the lightning strike is 4,116 meter.

Learn more about the distance visit:

https://brainly.com/question/71956

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The complete question is this,

The speed of sound in air is 343 meters per second. You see lightning and hear thunder 12 seconds later.  Estimate your distance from the lightning strike.

Name a theorem or postulate that lets you conclude ΔABD≅ΔCBD

Answers

Answer:

AAS

Step-by-step explanation:

help please 25 points! :)

Answers

Answer:

Please see the attached picture!

Hope this helps! ♡

----------------Keep Exploring ! --------

After you multiply these function how are they used in real life
f(x) = 3x + 4 and g(x) = 4x + 3

Answers

Step-by-step explanation:

To multiply a function by another function, multiply. For example, if f (x) = 2x and g(x) = x + 1, then fg(3) = f (3)×g(3) = 6×4 = 24.

here's an example to use a function in real life

u can use an soda machine, a measurement, miles per gallon or money math

Find the 60th
term of the arithmetic sequence -27, -24, -21, ...

Answers

Answer:150

Step-by-step explanation:

Given u = ⟨2, –8⟩ and v = ⟨8, –2⟩, what is u · v?

Answers

Answer:

I think it's C. 0

Step-by-step explanation:

On Edge

HELP ME, seriously no one has helped me yet

Answers

Answer: Lunch:$16 Coffee: $4 Julie had $12 left.

Step-by-step explanation:

Answer:

1. Lunch ($16)

2. Coffee ($4)

3. how much money did she have left?

she had ($12) left

Step-by-step explanation:

1. To get the amount of money she used on lunch you have to look at the word problem it says "she spent 1/2 of her money on lunch" her total is $32 dollars and 1/2 is .5 as a decimal and 50% as a percentage so 50% of 32 is (16) so she spent $16 dollars on lunch alone.

2. To find how much money she used on Coffee you need to read the context of the problem its asking for "how much did she use of the money that is left from her lunch"   so she has $16 dollars she used from lunch so now it wants you to find 1/4 of $16 dollars or 25% of 16 and 25% of 16 is (4)

so she spent 4 dollars of what was left so the answer is 4.

3. To find how much is left add up 16 and 4 and you get 20 then subtract it by the original number which is 32 so it should look like this 32 - 20 = 12

so the money she has left is $12 dollars.

PLEASE HELP!!! I don't understand rate of change so please include a bit of an explaination. Use the table to find the rate of change

Answers

Answer:

4

Step-by-step explanation:

every 2 servings, 8 oz. every 1 serving, 4 oz.

Answer:

try looking up rise over run method. that's what i was taught to use for rate of change. it's easier so basically it's x over y

Step-by-step explanation:

HELPP PEASE THIS IS DUE VERY VERY SOON ILL PICK BRAINLEST

Answers

Answer:

d

Step-by-step explanation:

MIGHTY MT. EVEREST

The Earth’s surface is composed of gigantic plates that are constantly moving. Currently, India lies on a plate that is slowly drifting northward. India’s plate is grinding into the rest of Asia. As it does so, it pushes up the Himalayan Mountains, which contain the world’s highest peak, Mt. Everest. In 1999, mountain climbers measured Mt. Everest with satellite gear and found it to be 8850 meters high. Geologists estimate that Mt. Everest may be growing by as much as 5 cm per year.

Your Task: Assuming a constant growth of cm per year, determine how tall Mt. Everest was in the year 0. (The year 0 is the year that came 2000 years before the year 2000.) Write an equation for the height of Mt. Everest over time, with x representing the year and y representing the height of the mountain.

What are the units for m and b in your equation? How many decimal places should be in your answer? Explain why.

Answers

The general equation representing the height of Mt. Everest over time can be written as → y = 0.05x + 8850. The unit of 'b' is meters and 'm' is a dimensionless quantity.

What is a time - varying quantity?

A quantity whose magnitude is a function of time is called a time - varying quantity. For example → x = 2t.

Given is the measured height of Mt. Everest with the help of satellite gear.  Geologists estimate that Mt. Everest is growing by as much as 5 cm per year.

Height of Mount Everest in the year 1999  → 8850 meters.

Rate at which Mt. Everest grows per year → 5 cm/yr = 1/20 m/yr.

The general equation representing the height of Mt. Everest over time can be written as →

y = 0.05x + 8850

where -

'x' represents the year.

'y' represents the height of the mountain.

The general equation of a straight line is given by -

y = mx + b           [ m → slope,  b → y-intercept ]

'y' represents height and is measured in meters. The slope 'm' of line is a dimensionless quantity as it the ratio of two lengths (y/x) and 'b' is measured in meters.

Now for x = - 2000

y =  - 100 + 8850

y = 8750 m

Therefore, the general equation representing the height of Mt. Everest over time can be written as → y = 0.05x + 8850. The unit of 'b' is meters and 'm' is a dimensionless quantity.

To solve more questions on Equation modelling, visit the link below-

https://brainly.com/question/28739008

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Express the decimal as a percent 1. 276​

Answers

Your answer is 1 276/1000

Have a nice day!!!

(If this helps don’t forget to mark branliest :) )

Answer:

ummm to round it, it would round to 1. To say it, it would be one and two hundred seventy six thousandths.

Step-by-step explanation:

Mark as brainliest plz

If the shop has 350 fish available for sale, how many of them are goldfish?
goldfish- 30%
betas- 10%
Zebra fish- 20%
Guppies-40%

Answers

Answer:

105

Step-by-step explanation:

multiply 350 by .30(30%) and that will tell you how many goldfish there are

Answer:

105 fish my dear

Step-by-step explanation:

Which value of m will create a system of parallel lines with no solution?

y=mx-6

8x-4y=12

Answers

Answer:

m = 2

Step-by-step explanation:

Rearrange the second equation into slope-intercept form (so that it is formatted the same as the first equation)

8x - 4y = 12

8x - 8x - 4y = -8x + 12

-4y = -8x + 12

-4y/-4 = (-8x + 12)/-4

y = 2x - 3

The slope for this equation is 2.

Equations with the same slope  are parallel and therefore have no solution since they can never intersect.  Hence, the required value of m is 2.

what is 2 63/100 plus 3 1/4

Answers

Answer:

147/25 or 5.88

Step-by-step explanation:

Answer:

147/25 is the exact form | 5.88 is the decimal form | Mixed number form is 5 22/25

Step-by-step explanation:

pls help me lol i cant do this. .........

Answers

Jan should’ve used Pythagorean theorem on to find the length of the hypotenuse. If you work it out that length will be 13. Then you add the 3 sides together to get 30 :)

Suzie had a 49-question quiz, and she received 59.2%, but 12 questions weren't graded yet.

If all 12 questions are correct, what is the new percentage?

Answers

Based on the number of questions in the quiz that Suzie did, if 12 questions were not graded and they were all correct, the new percentage on the quiz is 69.4%

How to find the new percentage?

There were 49 questions in the quiz and 12 were not graded. The number that was graded was;

= 49 - 12

= 37 questions

She got 59.2% which means that the number of questions Suzie got correct were:

= 37 x 59.2%

= 21.9

= 22 answers

If the 12 questions were correct, the new percentage would be:

= (22 + 12) / 49  x 100%

= 34 / 49 x 100%

= 0.693877551 x 100%
= 69.4%

Find out more on percentages at https://brainly.com/question/28107595

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What is the equation of the line that passes through the points (0, -2)and (0,−5)?

Answers

Answer:

Equation of the line: x = 0.

X=0 is the answer for question

Solve for x.
2/5x = 6/5

A: x = 12/25

B: x = 12/5

C: x = 3

D: x = 6

Answers

Answer:

C. x = 3

Step-by-step explanation:

2/5(3) = 6/5

6/5 = 6/5, correct!

if necessary, round to the nearest tenth and label your answer
10ft
4ft


​

Answers

Answer:

            9.2 ft

Step-by-step explanation:

[tex]H^2+4^2=10^2\\\\H^2+16=100\\\\H^2=100-16=84\\\\H=\sqrt{84}\approx9.2\ ft[/tex]

The level of water in a tank is 16 feet. The level decreases steadily, and the tank is emptied in 8 hours. What was the change in water level in the tank during the first hour?

Answers

Answer:

During the first hour, the water change was 2 feet (or 14 feet)

Step-by-step explanation:

We know that the level of water in a water tank was 16 feet, and that by 8 hours, it was empty. To find the change in the water level per hour, we need to divide 16 by 8.

16 ÷ 8 = 2

Therefore, during the first hour, the water change was 2 feet (or 14 feet)

Hope this helps! :D

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