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Vaselesa [24]
3 years ago
10

Help me with this plesse​

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0
Can you take a better picture and I will help?
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Find the circumference of a circle with each 18.2cm diameter​
e-lub [12.9K]

Answer:

22/7×18.2

=400.4/7

=57.2cm

6 0
3 years ago
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
Help<br><br> find the value of x
Masteriza [31]

Answer: i believe

that x does not have a value

Step-by-step explanation:"variable" or sometimes an "unknown"

8 0
2 years ago
if it takes 10 men 10 days to dig a hole how long will it take 5 men to dig a hole that's half as big
Nataly [62]

Answer:

10 days

Step-by-step explanation:

It will take 10 men 5 days to dig a hole half as big.

It will take 5 men 10 days to dig a hole half as big.

( Remember, the less people, the more time it will take. )

8 0
2 years ago
Read 2 more answers
Wats 10 to the 2nd power divied by 5 to the 2nd power
Ilya [14]

Answer:

4

Step-by-step explanation:

10^2/5^2

Do the exponents first

10 to the 2nd power is 100

5 to the 2nd power is 25

100/25

100 divided by 25 is 4

So the answer is 4

Hope this helps!

6 0
3 years ago
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