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Over [174]
3 years ago
13

Sixty-eight students, out of 100 surveyed, chose pizza as their favorite lunch item. If the school has 1250 students, how many s

tudents would likely say that pizza is their favorite if the survey is a fair representation of the student body?
Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:

850 students would say that pizza is their favorite

Step-by-step explanation:

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1 pt) If a parametric surface given by r1(u,v)=f(u,v)i+g(u,v)j+h(u,v)k and −4≤u≤4,−4≤v≤4, has surface area equal to 1, what is t
natta225 [31]

The area of the surface given by \vec r_1(u,v) is 1. In terms of a surface integral, we have

1=\displaystyle\int_{-4}^4\int_{-4}^4\left\|\frac{\partial\vec r_1(u,v)}{\partial u}\times\frac{\partial\vec r_1(u,v)}{\partial v}\right\|\,\mathrm du\,\mathrm dv

By multiplying each component in \vec r_1 by 5, we have

\dfrac{\partial\vec r_2(u,v)}{\partial u}=5\dfrac{\partial\vec r_1(u,v)}{\partial u}

and the same goes for the derivative with respect to v. Then the area of the surface given by \vec r_2(u,v) is

\displaystyle\int_{-4}^4\int_{-4}^425\left\|\frac{\partial\vec r_1(u,v)}{\partial u}\times\frac{\partial\vec r_1(u,v)}{\partial v}\right\|\,\mathrm du\,\mathrm dv=\boxed{25}

8 0
3 years ago
If the height of the prism is tripled, how will the volume be affected?
OLga [1]
It would be the triple
4 0
3 years ago
What is the least common multiple of 6, 16, and 24?
Andreas93 [3]
The answer is 48, because 6*8=48, 16*3 = 48, 24*2 = 48.
5 0
3 years ago
Circle O has a circumference of 887 cm.<br> What is the length of the radius of the circle?<br> cm
Salsk061 [2.6K]

Answer:

44cm

Step-by-step explanation:

Formula for circumference, C = 2πr

where r is the radius

r = C / 2π

= \frac{88\pi }{2\pi }

=44 cm

7 0
3 years ago
Read 2 more answers
I only have 2 more problems now
liq [111]
  
r° = 158°

s° = 180° - r° = 180° - 158° = 22°



4 0
3 years ago
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