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ddd [48]
2 years ago
5

A box of 15 cookies costs 9$ what is the cost for one cookie

Mathematics
2 answers:
Butoxors [25]2 years ago
7 0

Answer:

Should be 0.6 or 60 cents per cookie

Step-by-step explanation:

To find this all you gotta do is divide 15 by 9.

xz_007 [3.2K]2 years ago
5 0

Answer:

15c=9...

1c=9/15.....

=0.6$..

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Explain why it is important to know if a time is in the am or in pm when figuring out how much time has lapsed
Oksi-84 [34.3K]
Because time goes from am to pm 
8 0
3 years ago
Find x and y on triangle<br>Also the degree is 30 and the other thing is 7sqrt3​
nydimaria [60]

Answer:

y =7

x =14

Step-by-step explanation:

Since this is a right triangle we can use trig functions

tan 30 = opp /adj

tan 30 = y/ 7 sqrt(3)

7 sqrt(3)  tan 30 = y

7 sqrt(3) * 1/ sqrt(3) =t

7 =y

sin 30 = opp/ hyp

sin 30 = 7/x

x sin 30 =7

x = 7/ sin 30

x = 7 / 1/2

x = 14

6 0
3 years ago
Sin(xy)-x=0 find dy/Dx
MariettaO [177]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/2989024

——————————

You have  y  as an implicit function of  x:

sin(xy) – x = 0


Use implicit differentiation. As  y  is a function of  x, then you must apply the chain rule there:

  d                                 d
—— [ sin(xy) – x ]  =  —— (0)
 dx                               dx


  d                           d               d
—— [ sin(xy) ]  –  —— (x)  =  —— (0)
 dx                         dx             dx

  d
—— [ sin(xy) ]  –  1  =  0
 dx

  d
—— [ sin(xy) ]  =  1
 dx
 
                   d
cos(xy)  ·  —— (xy) = 1
                  dx


Now, apply the product rule for that last derivative:

\mathsf{cos(xy)\cdot \left[\dfrac{d}{dx}(x)\cdot y+x\cdot \dfrac{dy}{dx}\right]=1}\\\\\\&#10;\mathsf{cos(xy)\cdot \left[1\cdot y+x\cdot \dfrac{dy}{dx}\right]=1}\\\\\\&#10;\mathsf{y\,cos(xy)+x\,cos(xy)\cdot \dfrac{dy}{dx}=1}


              dy
Isolate  —— :
              dx

                   dy
x cos(xy) · ——  =  1 – y cos(xy)
                   dx


Assuming  x cos(xy) ≠ 0,

 dy          1 – y cos(xy)
——  =  ————————    <———    this is the answer.
 dx            x cos (xy)


I hope this helps. =)

4 0
3 years ago
Kennedy earns $8 each time she babysits her little sister Leslie.If Kennedy babysits Leslie 9 time,how much money will she earn?
Vesna [10]

Answer: 72 dollars

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
on Saturday 453 people go to a school play on Sunday 294peole go to the play how many more people go to the play on Saturday?
Ghella [55]
To figure out the difference you would subtract 294 from 453. 
So 453-294=159
4 0
3 years ago
Read 2 more answers
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