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Good Job CP ^^ Keep up the good work!!!

Sorry....I meant the correct choice for the first one

The answers should be  D  and C

Oh!! my mistake, I thought I put D and C for the choices.. that's why i was confused 

sin (136) * (21)   / sin (22)  ≈  38.94

[ Make sure that your calculator is in "degree" mode  ] 

Isn't the correct answer for the second one,   "D".....????

30t + 2.75 

30 (5) + 2.75   =     152.75

Note that we can use the first one to find a variation constant

y  = k (x )   

6.4  = k (4)      divide both sides by 4

6.4 / 4  =   k

1.6  = k

So......if this is true......then we should have  that

y  = 1.6x

Now....look at the second set of values  (x,y)  = (7, 11.2)

So......is this true??

11.2   = 1.6 ( 7)    yes!!!!

I think if you will check each of  the other  x values multiplied by the variation constant, you will end up with their associated y value......it might be good to practice this.......!!!!

it equaled 152.75 

The second one is "C"......you have the correct numerical answer for the first.....but look at the function that you have chosen, 2.75t + 30.....are we paying 2.75 for each shirt????....or ....are we paying $30 for each shirt????

Note  if we used  2.75 (5) + 30   we would only get  $43.75

They're both answer choices C??

Note that if we have   "t"   number of shirts and they cost $30 each.....the total cost of these shirts  is just  cost of each shirt  * number of shirts  = 30t......and 2.75 represents what is known as the "fixed cost"....we must pay this cost no matter how many shirts that we order....so......the total cost of ordering "t"  shirts is just     30t + 2.75

Now...to find the cost of ordering 5 shirts......just sub  "5"  in for "t"  and evaluate.....I'll leave this to you, NSS....send me back your reply

For the second one....this is just a proportion

306 / 8.5   =    M / 9.1    where M is the number of miles that we're trying to find

Cross- multiply

9.1 * 306   =  8.5M      divide both sides by 8.5

9.1 * 306 / 8.5  = M       ....and I'll leave it to you to  find this....

Yeah I think so.....

To find the domain, NSS....list all the points from left to right......note that we have

(-4 ,-1), (-1, 4), (1, 1) , (4,1).......now  list the x values in order.....so we have   [ -4, -1, 1 , 4 ]....and this is the domain

To find the range....list the points in order from the bottom of the graph to the top of the graph......

( -4, -1) , (1,1) , ( 4,1), (-1,4)    .....note that the ones in red can be listed in any order...

Now......list these points  y  values in order.........,so we have  [ -1 , 1 , 4 ]....and this is the range

This is a function......as long as we don't have two points with the same x value but two different y values, we have a function

Also......its a function because it passes the vertical line test....that is.....any vertical line drawn on the graph will only intersect one point at a time

Do you see what the correct answer is ???

It only likes one implied multiplication.  You have to enter it as 26800/(2!)(2!*2!)

14 / 0.44   =

14 / ( 44 / 100)      invert the fraction and multiply

14 * ( 100 / 44)  =

(14 / 44 ) * 100  =

(7 / 22) * 100  =

700 / 22  =

350/11  ≈   31.8

Correct, heureka...!!!!

If you are using the key labeled "nPr", it only takes  TWO parameters. Example: nPr(52, 5), which means this: 52P5= 52 x 51 x 50 x 49 x 48 = 52! / (52 -5)! = 311,875,200

\(\frac{24}{6}=4\)

\((5)(5^4)(x^3)(x^8)\)

5^4 multiplied by 5 is the same as 5^5.

\((5^5)(x^3)(x^8)\)

When two same variables with exponents are multiplied, the exponents add together.

\((5^5)({x}^{11})\)

Expand the 5^5.

\((5*5*5*5*5)({x}^{11})\Rightarrow (3125)(x^{11})\)

So your answer is:

\(3,125x^{11}\)

5.72x10 to the third power. So it's 5.72 x ten to the third power.

what does x and y eguals?

((x)/5)-(((y)/6)) =1

what is x and what is y?

Hello Guest!

\(\color{BrickRed}\frac{x}{5}-\frac{y}{6}=1\\ \frac{x}{5}=1+\frac{y}{6}\\ \color{blue}x=\frac{5}{6}y+5\)     

\(\color{BrickRed}\frac{x}{5}-\frac{y}{6}=1\\ -\frac{y}{6}=1-\frac{x}{5}\\ \color{blue}y=\frac{6}{5}x-6\)

  !

square root of 250321

 \(Give\ 250321\ [\ \sqrt{x}\ ]\ [=]\\ result\ \color{blue}500.3208970250992824\)

  !

Thanks Ginger :)

“Simi” is used if the root word is Latin based; “Himi” is used if the word is Greek based.

“Dimi” is used if the word came in to use when the English were adopting words from the French.

One of Chimp Stuart’s (Lancelot Link’s professional translator) favorite words covers all the bases:   hemidemisemiquaver—a 64th note. 

Source:  (Note the author’s post has a “Naus-like” troll overtone in his writing style and vocabulary)