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nirvana33 [79]
3 years ago
13

The food service manager conducted a random survey of students to determine their preference for new lunch menu items. Which of

these inferences can be drawn from the manager's data? Select all that apply. Item Number of Students Pizza 6 Salad Bar 27 Pita Sandwiches 13 Burritos 24
Mathematics
1 answer:
madreJ [45]3 years ago
6 0

Answer:

It is A, B, and C

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$34.85 + 6% sales tax<br> Help!
Neko [114]

Answer:

2.09 is the 6% sales tax so the total will be 36.94

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Show that ( 2xy4 + 1/ (x + y2) ) dx + ( 4x2 y3 + 2y/ (x + y2) ) dy = 0 is exact, and find the solution. Find c if y(1) = 2.
fredd [130]

\dfrac{\partial\left(2xy^4+\frac1{x+y^2}\right)}{\partial y}=8xy^3-\dfrac{2y}{(x+y^2)^2}

\dfrac{\partial\left(4x^2y^3+\frac{2y}{x+y^2}\right)}{\partial x}=8xy^3-\dfrac{2y}{(x+y^2)^2}

so the ODE is indeed exact and there is a solution of the form F(x,y)=C. We have

\dfrac{\partial F}{\partial x}=2xy^4+\dfrac1{x+y^2}\implies F(x,y)=x^2y^4+\ln(x+y^2)+f(y)

\dfrac{\partial F}{\partial y}=4x^2y^3+\dfrac{2y}{x+y^2}=4x^2y^3+\dfrac{2y}{x+y^2}+f'(y)

f'(y)=0\implies f(y)=C

\implies F(x,y)=x^2y^3+\ln(x+y^2)=C

With y(1)=2, we have

8+\ln9=C

so

\boxed{x^2y^3+\ln(x+y^2)=8+\ln9}

8 0
3 years ago
In the number 0.222 the 2 next to the decimal point represents a value that is how many times as large as that represented by th
Ronch [10]

Answer:

100 times

Step-by-step explanation:

0.002 * 100 = 0.2

4 0
4 years ago
A regulation bowling ball has a diameter of8.5 inches . what is the volume of the bowling ball?
nignag [31]
Well its a whole 
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1 inch = 2.54 cm 
16 oz = 1 lb 
28.3 g = 1 oz 
<span>volume of a sphere = 4/3pi(r)^3 </span>
7 0
4 years ago
Find and sketch the domain of the function. f(x,y)=√(4-x^2-y^2) +√(1-x^2)<br>​
elena55 [62]

Answer:

Hello

Step-by-step explanation:

The domain is limited with 2 lines parallel: -1 ≤ x ≤ 1

and the disk ? (inside of a circle) of center (0,0) and radius 2

dom\ f(x,y)=\{(x,y) \in \mathbb{R} ^2 | \ -1\leq x \leq -1\ and \ ( -\sqrt{4-x^2}  \leq \ y  \leq \sqrt{4-x^2}\  ) \ \}\\

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3 years ago
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