All Answers 358108 Answers

39/13 = 3 yds per play

-6/3 = -2 yards per play

3 - (-2)  = 5 yds  difference in their averages

When one side of a linear equation in one variable is exactly like the other, we have infinite solutions for  that variable........This is known as an "identity"

I DON'T KNOW BUT PLESS DON'T USE THAT LAUGE ON HERE!

It is=2.5

2x+3x+3+4x+10+x  =

10x + 13

Look at the top left hand corner. there is a key labled "2nd" Press that key and you will see another key labled "atan" That is the inverse tan.

You should always give an example: So, if you wanted to multiply 2/3 X 4/5=You multiply the top numbers together like this: 2 X 4=8, that is your top number. Now, do the same with bottom numbers,

like this: 3 X 5 =15, so you put the first number 8 on top and the second number 15 on the bottom like this: 8/15. And that is your answer.

-To Melody-

Who knew Melody was an amazing photographer? 

Those are really nice pics, Melody 

-To Eloise-

............okay, thx 

but you can't give all the credit to me or else Rosala will try to k**l me (she seriously rules with an iron fist), so I'll split the credit to EVERYONE involved (there, everyone happy now?)

and no I'm not fucking kidding

and now that everyone calls me a riot sometimes I find being a riot more of a compliment than an offense

let's just hope to start a good convo, at the right time, and in the right way

For the first group, let x = 0 and solve for y....this will be the y intercept

Then ....let y be 0 and solve for x......this will be the x intercept

Here's the first one

1. –3x + 9y = 18

-3(0)  + 9y = 18

0 + 9y = 18

9y = 18   divide both sides by 9

y = 2   when x = 0     so we have the point (0,2)   this is the y intercept

-3x + 9(0) = 18

-3x + 0  = 18

-3x = 18      divide both sides by -3

x = -6      when y = 0      so we have the point (-6, 0)

Problems 2 - 4 are exactly the same as this

Also  9-16 are exactly the same....the only added thing is that you will plot the two points and draw a line through them.....that will be your graph !!!!

For  5 - 8...these are easy  !!!!

x= a    means that we draw a vertical line through the x axis at whatever "a" is

y = a means that we draw a horizontal line through the y axis at whatever "a" is

Here's 5 and 6 on the same graph......https://www.desmos.com/calculator/gwc5eya9wl

Sorry, I didn't look at No. 2 & 3

No.2=1.26 X 10^6

No.3= You cannot simplify it any further.

The area of a rectangle = length * width. Since we know this is a square, that means that all the sides are equal (the same length). Therefore, the area of a square is = s * s, or s², where s is the length of any side. We know the area, but we don't know the length of the sides, so plug the known and unknown variables into the equation: s² = 136 ft². Now how do we get rid of the power of 2 on s? Take the square root.  \(\sqrt{s^{2}} = \sqrt{136}\), which equals \(s = \sqrt{136}\). Using a calculator we see that s = 11.7 ft, rounded to the nearest tenth of a foot.

YOU GOT IT RIGHT ON THE BUTTON. CONGRATS.

Area of a square = side^2

136ft^2  = side^2      take the square root of both sides

sqrt(136) ft  = side

sqrt(68 * 2) ft  = side

sqrt( 4 * 17 * 2) ft  =  side

2*sqrt(34) ft = side

Take the square root of 136=11.6619 feet

i think it would be 14 as the answer because there is a decimal

9.643651 X 10-9

thank you guest

x!, It's called "x factorial", which means this. If you see it after a number such as 5!, it means you multiply 5 X 4 X 3 X2 X 1=120. So, if you see 100!=100 X99 X98..........all the way down to 1.

500 x 6 x 10^18   =   3000 x 10^18  =  3 x 10^21

 6 x 10^18 X 500=3.0 X 10^21 protons. By the way, 1 mole of Hydrogen contains 6 X 10^23 protons or atoms(That's Avogadro's Number). Whoever gave you that number, it's incorrect. You can check here:

What do you want it rounded up to  ????    tenths, hundredths, thousandths ????

420 x ( 3 x 10^3 ) 

=1.26 X 10^6

41/3.14159265258=13.05

1. Light travels at a rate of 3.0 x 10^8 meters per second. How far does light travel in an hour ? 

1 hour=60 X 60=3,600 seconds

3,600 X 3 X10^8=1.08 X 10^12 meters in one hour.

6(5k-8)-20=99-7(3-4k)   [ step by step ]

30k - 48 - 20  =  99 - 21 + 28k   combine like terms

30k - 68  =  78 + 28k       subtract 28k from both sides.......add 68 to both sides

2k =  146      divide both sides by 2

k = 73