Mathematics High School

can someone please help me with this, ill give you brainiest, I rlly need help!!

Answers

Answer 1

Answer:

y-2=-6(x-1)

Step-by-step explanation:

Answer 2

Answer:

y=-6x+8

Step-by-step explanation:

Related Questions

3x+4=9x-8= ????????????

Answers

3x+4=9x-8=2 the answer would be 2

Answer:

Simplifying
3x + 4 = 9x + -8

Reorder the terms:
4 + 3x = 9x + -8

Reorder the terms:
4 + 3x = -8 + 9x

Solving
4 + 3x = -8 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
4 + 3x + -9x = -8 + 9x + -9x

Combine like terms: 3x + -9x = -6x
4 + -6x = -8 + 9x + -9x

Combine like terms: 9x + -9x = 0
4 + -6x = -8 + 0
4 + -6x = -8

Add '-4' to each side of the equation.
4 + -4 + -6x = -8 + -4

Combine like terms: 4 + -4 = 0
0 + -6x = -8 + -4
-6x = -8 + -4

Combine like terms: -8 + -4 = -12
-6x = -12

Divide each side by '-6'.
x = 2

Simplifying
x = 2

God bless you “and I hope this helps”.

PLEASE HELP i suck at math

What are the coordinates of the image of A(2, 5) after it is rotated
180° clockwise about the origin?

Answers

the coordinates should be (2,-5)

If JK = 8x + 24 and NO = 20, what is the value of x?

Answers

Answer:

x=2

Step-by-step explanation:

So..

NO=1/2 of JK because the two segments are parallel

Therefore because you have NO plug that into..

NO=1/2JK

YOU GET

1/2JK=20 multiply 2 so you can isolate JK

JK=40

Then plug that back into your JK=8x+24

40=8x+24 next subtract 24 on both sides

8x=16

x=2

Hope this helps!

Find the length of an arc when the radius is 15 feet and the measure of the central angle 135 degrees. Round to nearest hundredth.

Answers

Answer:

35.34

Step-by-step explanation:

The formula for arc length is 2rФπ/360

2(15)(135)=4050

4050/360·π=35.34

X+5y=5
What is the slope intercept form of the equation

Answers

in slope intercept form it’s y = 1/5 x - 1

Answer:

y= 1- 1/5x

Step-by-step explanation:

x+5y=5

-x. -x

-------------

5y = 5-x

÷5. ÷5

-------------

y= 1 - 1/5x

What is x??
1/3x + 1/5 = −5 (3/4x + 1)

Answers

Answer:

x=− 245/312

Step-by-step explanation:

Answer the following.
(a) A certain solution has a hydrogen ion concentration of 0.0000448 moles per liter. Write this number in scientific notation.

Answers

Answer:

35554555

Step-by-step explanation:

Com oordon
9)
Consider the sequence of steps to solve the equation: 2(x – 4) + 6x = 9x – 10
Given = 2(x - 4) + 6x = 9x - 10
Step 1 = 2x - 8 + 6x = 9x - 10
Step 2 = 2x + 6x - 8 = 9x - 10
Step 3 = 8x - 8 = 9x - 10
Step 4 = 8x – 8x - 8 = 9x - 8x - 10
Step 5 = 0 - 8 = x - 10
Step 6 = -8 = x - 10
Step 7 = -8 + 10 = x - 10 + 10
Step 8 = 2 = x + 0
Step 9 = 2 = x
Which step in solving this equation is justified by the distributive property

Answers

Answer:

Step 1

Step-by-step explanation:

The problem distributed 2 into x and -4 which resulted in 2x - 8

Write the English phrase as an algebraic expression. Then, simplify the expression. Let x represent the number.

The difference between the product of five and a number and three times the number

What is the algebraic expression?

Answers

Answer:

5x-3x = 2x

Step-by-step explanation:

"The difference" = the substraction of two numbers

(something) - (something)

"The difference between the product of five and a number"

By product means multiplication. So, the multiplication of five and a number. Before, you have been told to represent the number with "x", and thats what you will do now.

(5*x) = (5x)

(5x) - (something)

"The difference between the product of five and a number and three times the number"

With three times the number, we mean the same letter "x" & three times will be the amount of times we will multiply it. So, by the end we will have:

(5x)-(3x)

Now we just rest them

5x-3x= 2x

Hope it was helpful ;)

The difference between the product of five and a number and three times the number will be two times the number and algebraic expression will be 5x - 3x = 2x.

What is an expression?

An expression is a combination of some mathematical symbol such that arithmetic operator and variable such that all are constrained and create an equation.

In other meaning, expression is very useful to determine the end or root value of constraint.

For example 3x +5y

The constraint of expression is represented as = or <, >.

Given that,

x is that number,

Five times the number = 5x

Three times the number = 3x

Now,

Difference ⇒ 5x - 3x = 2x

Hence "The algebraic expression is 5x - 3x = 2x and The difference between the product of five and a number and three times the number will be two times the number".

To learn more about expression,

https://brainly.com/question/14083225

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Round 3,640 to the nearest thousand.

Answers

Answer:

4,000

Step-by-step explanation:

Answer:

4000

Step-by-step explanation:

PLS IM SO CONFUSLEZZZD
2+2

Answers

The answer is 4 hope this helps kindergartner

I need to solve for x

Answers

Answer:

dkdksdldlxlxzkzkdisi

Answer:

Try doing this.

Step-by-step explanation:

If you know the full length of the shape, like a triangle is 180 degrees, you need to take that full length, minus 120, 97, 130, 150, and 90, to get x.

Kimmy bought a 5-kilogram can of peanuts for $4.59. What is the unit price? *

Answers

Answer:

9 cent

Step-by-step explanation:

4.59/5=$0.9

Answer:

Step-by-step: To solve this, we divide the price by the kilograms of peanuts. So therefore, our answer is that it costs $0.9 per can of peanuts.

An airplane flies with a constant speed of 620 miles per hour. How long will it take to
travel a distance of 310 miles? Give your answer in minutes or hours.

Answers

Answer:

30 minutes

Step-by-step explanation:

Alright lets start by laying out what the problem gives us :

A plane flies 620 mph.

It is asking how long it will take to travel 310 miles.

We need to give our answer in minutes or hours.

So lets take mph and look at the full meaning "Miles per hour"

An hour has 60 minutes in it.

So really it is saying miles per 60 minutes as well as miles per hour

So you could say the plane is traveling 620 miles every 60 minutes.

So now lets look at the number 310.

Just looking at it I can tell you that 310 looks very close to half of 620, in fact it is exactly half!

So lets divide the 620 mph by the 310 miles it is asking and we get 2! Proving that 310 is half of 620.

Alright now lets divide both the number of miles and number of minutes :

620 miles per 60 minutes

divided by 2 both miles and minutes

310 miles per 30 minutes

So this is your answer. After this you get that it would take 30 minutes to travel 310 miles in a plane going 620 miles per hour!

I hope this helps and I could help you understand it. :)

If you have any questions feel free to comment or dm me.

How do you write 6 = h(2) as an ordered pair?

Answers

In order pair it is written as (2,6)

(2,6) hope this helps you your welcome

5/12 x 3 plz help me

Answers

Answer:

1 1/4 or 1.25

Step-by-step explanation:

Have a nice day

Makayla has a smart phone data plan that costs $45 per month that includes 2 GB of data, but will charge an extra $20 per GB over the included amount. How much would makayla have to pay in a month where she used 3 GB over the limit? How much would makayla have to pay in a month where she used went over by x GB?

Answers

Answer:

65?..................

A set of biology exam scores are normally distributed with a mean of 70 points and a standard deviation of six points X equal the score on a randomly selected exam from the set find P(X< 73)

Answers

Answer: .69

Step-by-step explanation:

Answer on khan

We can write the value in the range P(64 < {x} < 76) as 0.68.

What is standard deviation?

In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values.

Given is that a set of biology exam scores are normally distributed with a mean of 70 points and a standard deviation of six points X equal the score on a randomly selected exam from the set.

It is given that -

μ = 70

σ = 6

For the range of {x}, we can write -

(μ - σ) < {x} < (μ + σ)

64 < {x} < 76

We can write the range of {z} value as -

(64 - 70)/6 < {z} < (64 + 70)/6

- 1 < {z} < + 1

Now -

P(64 < {x} < 76) = P(x < 76) - P(x < 64) = 0.84 - 0.15 = 0.68

Therefore, we can write the value in the range P(64 < {x} < 76) as 0.68.

To solve more questions on standard deviation, visit the link below -

https://brainly.com/question/23907081

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Pls help I’ll give BRAINLIEST

Answers

Answer:

I got 12 for this question...

Step-by-step explanation:

Please please give me brainliest (and have a wonderful day!)

A skateboarder rides by my office every 8 minutes, and a cyclist rides by every 10 minutes. How long will it take for the skateboarder and cyclist to ride by at the same time?

Answers

Answer:

40 minutes

Step-by-step explanation:

10 times 4 = 40

8 times 5 = 40

so they will cross paths after 40 minutes of riding

PLEASE HELP. I need this as soon as possible!!! I will give brainiest and lots of points.

A number is at most 0 and greater than −10
The least possible integer value of this number is negative 9
The greatest possible integer value of this number is.

Answers

Answer:

Greatest possible integer value is 0

Step-by-step explanation:

idek i did it in my head

Which figures are polygons select each correct answer

Answers

I’m pretty sure it’s Figure A, C, and D

PLEASE HELP ME PLEASE I BEG OF YOU

Answers

Answer:

I don't know but I can help you understand it.

Step-by-step explanation:

First find the the answer to the problem and then try to compare all of them to each other and choose the one that makes the most sense.

Answer is A

explanation

i need help...........

Answers

Answer:

Step-by-step explanation:

Solve for perimeter. (photo included)

Answers

Answer:

Step-by-step explanation:

5+7+5+7=24

Answer:

24 m

Step-by-step explanation:

Add the complete outside of the shape. One side measure is 5 m. The other measure is 7 m. Add 5 + 7 to get 12 m. This is your answer for half of the shape. Double it to find the other completely symmetrical half. To double it, use the equation 12 x 2 = 24.

Hope it helps and is correct!

Please help meeeew il mark brainliest

Answers

Answer:

Correct answer is cylinder

Step-by-step explanation:

I just took this

please help 4x + 8 + 7x + 3

Answers

Answer:

11x + 11

Step-by-step explanation:

11x

=11x + 11

Answer:

11x + 1 1

Step-by-step explanation:

Simplify

Combine like terms

A Helicopter hovering at 1,750 feet begins descending at a rate of 250 feet per minute. How many minutes will it take the Helicopter to reach the ground?

30 POINTS AND BRANLIEST!!!!!!!!!!!!

Answers

Answer: It will take a total of 7 minutes.

Step-by-step explanation:

1,750 feet divided by 250 feet equals 7, therefore 7 minutes to reach the ground.

Please help! 15 pts!
Ivanna, Andrea, Tabitha and Mary are sisters. Their father tells them that they will not be allowed to travel to Hawaii by themselves until their average age is 21. Right now, their ages are 19, 15, 14, and 12. In how many years will they be able to go to Hawaii?

Answers

Answer:

6 years

their average age now is 15

so, in six years the average age will be 21

Step-by-step explanation:

If im wrong you have my regrets

using compound interest, how long does it take to double a 1000 dollar investment that pays 6.5% annual interest, compounded monthly?

Answers

Answer:

11 years approx

Step-by-step explanation:

Given data

P=$1000

A=2000

R=6.5%

T= ?

Calculate time, solve for t

t = ln(A/P) / r

substitute

t=ln(2000/1000)/0.065

t=ln(2)/0.065

t=0.693/0.065

t=10.66

Hence the time is 11 years approx

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