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aniked [119]
3 years ago
8

SAT Scores

Mathematics
1 answer:
STatiana [176]3 years ago
6 0

Answer:

D. 1532

Step-by-step explanation:

All you do is add all the scores and divided by the number of poeple which is 10  

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E^y*cos x = 1 + sin(xy)
lys-0071 [83]
I assume you are studying implicit differentiation. Solving for dy/dx.
For the Left side use product rule. For Right side, use chain rule. Remember any time you take derivative of "y-term" you must multiply it by dy/dx.

---> \frac{dy}{dx} e^y cos (x) - e^y sin(x) = (y + x \frac{dy}{dx}) cos (xy)

Get dy/dx terms on one side:
\frac{dy}{dx} e^y cos (x) - \frac{dy}{dx} x cos(xy) = e^y sin(x) + y cos (xy)

Factor out dy/dx and solve:
\frac{dy}{dx} (e^y cos (x) -  x cos(xy)) = e^y sin(x) + y cos (xy)   \\.......\\ \frac{dy}{dx} = \frac{e^y sin(x) + y cos (xy) }{e^y cos (x) -  x cos(xy)}
8 0
3 years ago
Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing.
malfutka [58]

she Could have wriiten  2(9+1)^2+6+134  did that help!!!!!!!!!??????????

to check maybe u should try it jsut caculate it  :D

7 0
3 years ago
Read 2 more answers
(-4y3 – 5y +16) + (4y2 – y + 9) =
velikii [3]

Answer:

-4y^3 + 4y^2 - 6y + 25

Step-by-step explanation:

<u>Step 1:  Distribute the plus</u>

(-4y^3 – 5y +16) + (4y^2 – y + 9)

-4y^3 - 5y + 16 + 4y^2 - y + 9

<u>Step 2:  Combine like terms</u>

-4y^3 - 5y + 16 + 4y^2 - y + 9

-4y^3 + 4y^2 - 6y + 25

6 0
3 years ago
Can someone help me out please
Akimi4 [234]
Here are some of them

7 0
3 years ago
Read 2 more answers
Of 38 ​cities, 7 have a lake and 21 have a river running through them. What fraction of these 38 cities have a lake or a river r
Firlakuza [10]
Bxndjdjjrjdjfbcbcbcb 77+ 77 38 actually just equal it all up
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3 years ago
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