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Advocard [28]
3 years ago
8

You pack sandwiches for a mountain hike with your friends. Each sandwich takes 2 slices of bread, and each hiker eats one sandwi

ch.
How many slices of bread are used for n hikers?
Write your answer as an expression.
Mathematics
2 answers:
muminat3 years ago
7 0

2(n) equals pieces of bread you'll need

dlinn [17]3 years ago
6 0

Answer:

2(n)

Step-by-step explanation:

You pack sandwiches for a mountain hike with your friends.

Each sandwich takes 2 slices of bread.

If each hiker eats one sandwich, and there are 'n' hikers

so to find the number of breads used for 'n' hikers, we multiplied 2 by n

So the expression will be

2(n)

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Let w(s,t)=f(u(s,t),v(s,t)) where u(1,0)=−6,∂u∂s(1,0)=5,∂u∂1(1,0)=7 v(1,0)=−8,∂v∂s(1,0)=−8,∂v∂t(1,0)=6 ∂f∂u(−6,−8)=−1,∂f∂v(−6,−8
Blababa [14]
w(s,t)=f(u(s,t),v(s,t))

From the given set of conditions, it's likely that you are asked to find the values of \dfrac{\partial w}{\partial s} and \dfrac{\partial w}{\partial t} at the point (s,t)=(1,0).

By the chain rule, the partial derivative with respect to s is

\dfrac{\partial w}{\partial s}=\dfrac{\partial f}{\partial u}\dfrac{\partial u}{\partial s}+\dfrac{\partial f}{\partial v}\dfrac{\partial v}{\partial s}

and so at the point (1,0), we have

\dfrac{\partial w}{\partial s}\bigg|_{(s,t)=(1,0)}=\dfrac{\partial f}{\partial 
u}\bigg|_{(u,v)=(-6,-8)}\dfrac{\partial u}{\partial s}\bigg|_{(s,t)=(1,0)}+\dfrac{\partial f}{\partial 
v}\bigg|_{(u,v)=(-6,-8)}\dfrac{\partial v}{\partial s}\bigg|_{(s,t)=(1,0)}
\dfrac{\partial w}{\partial s}\bigg|_{(s,t)=(1,0)}=(-1)(5)+(2)(-8)=-21

Similarly, the partial derivative with respect to t would be found via

\dfrac{\partial w}{\partial t}\bigg|_{(s,t)=(1,0)}=\dfrac{\partial f}{\partial 
u}\bigg|_{(u,v)=(-6,-8)}\dfrac{\partial u}{\partial t}\bigg|_{(s,t)=(1,0)}+\dfrac{\partial f}{\partial 
v}\bigg|_{(u,v)=(-6,-8)}\dfrac{\partial v}{\partial t}\bigg|_{(s,t)=(1,0)}
\dfrac{\partial w}{\partial t}\bigg|_{(s,t)=(1,0)}=(-1)(7)+(2)(6)=5
6 0
3 years ago
valerie has 20 stuffed animals she wants to store them in plastic bags she estimates she can fit 3 stuffed animals in each bag h
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She would need about 6 bags because 7*3=21 6+3=18 so about 6 bags
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Why is the circumference formula more accurate than actually measuring around the circle?
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Because a circle has infinite sides and it is almost impossible to be very accurate measuring around.

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3 years ago
Which is a monthly recurring cost associated with renting a house?
kiruha [24]
You have to pay a certain amount each month
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3 years ago
Read 2 more answers
HELPPO ME PLEASEE!!!!!!
ElenaW [278]

Answer:

Here,

x + 25° + 3x + 95° + 80°=360° (Sum of angles of a quadrilateral is 360°)

or,x+3x + 25° + 95° + 80° =360°

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