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3 years ago

It costs 15 dollars to send 3 packages through a certain shipping company consider the number of packages pero dollar?

Mathematics

1 answer:

docker41 [41]3 years ago

5 0

solution:

= $15 for 3 packages

= 5 packages per dollar (15/3)

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HELP PLS ASAP

8090 [49]

Answer:

D. x=(1/6)y^2

Step-by-step explanation:

D. x=(1/6)y^2

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2 years ago

Use the identity (x+y)(x2−xy+y2)=x3+y3 to find the sum of two numbers if the product of the numbers is 28, the sum of the square

fgiga [73]

Answer:

Step-by-step explanation:

1) f(x) = x+y , xy = 49 --> f(x) = x+49/x

f '(x) = 1-49/x2 , x = ±√49 , choose x = +7

y = 49/x = 7

smaller = 7

larger = 7

2) Vertical Distance is difference between the two functions

V(x) = x+56 - x2, V '(x) = 1 -2x --> x = 1/2 --> V(1/2) = 56.25 <---Max Vertical distance

Boundary at -7 and 8 are less

3) I googled the equation, it is really y(n) = kn/(49+n2)

y '(n) = (k(49+n2) - 2kn2)/(49+n2) , Setting to zero, k(49+n2) -2kn2 = 0 , n = 7

4) Let x and y be the sides of the rectangle. A = xy = 37.5 Million or y = 37.5/x

The length of the fences is f(x) = 2x + 3y = 2x+112.5/x

f '(x) = 2-112.5/x2 --> x = √56.5 = 7.5 and y = 37.5/7.5 = 5 then scale by √Million

smaller = 5000 ft and larger = 7500 ft

this took me ages to work out so hopefully it helped

4 0

3 years ago

Read 2 more answers

Any help would be great

nadya68 [22]

Answer:

Step-by-step explanation:

38=10+13+c

c=38-10-13=15

Hope this helps!

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3 years ago

Find a general solution of y" + 4y = 0.

klio [65]

Answer:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

Step-by-step explanation:

It is a linear homogeneous differential equation with constant coefficients:

y" + 4y = 0

Its characteristic equation:

r^2+4=0

r1=2i

r2=-2i

We use these roots in order to find the general solution:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

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3 years ago

HELP ASAP PLEASE!!!!!

kiruha [24]

I think the answer is (6,-4)

5 0

3 years ago

Read 2 more answers