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adell [148]
4 years ago
6

How many ways can 11 pairs of shoes be arranged?

Mathematics
2 answers:
LiRa [457]4 years ago
8 0

Answer:

5 pairs with 1 extra shoe

Step-by-step explanation:

neonofarm [45]4 years ago
6 0
39916800 because you would do 11! which is 11*10*9*8*7*6*5*4*3*2*1
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Let f be a scalar field and F be a vector field. The following expressions either represent scalar fields, vector fields, or are
Mama L [17]

Answer:

(a) curl f - meaningless

(b) grad f -Δf- vector field

(c) div F - scalar field

(d) curl( grad f )curl (Δf)- vector field (e) grad F -ΔF- meaningless

(f) grad( div F )-Δ(divF) - vector field

(g) div( grad f ) - div(Δf)- scalar field

(h) grad ( div f ) -Δ(div f)-meaningless

(i) curl ( curl F ) - vector field

(j) div( div F ) - meaningless

(k) ( grad f ) x ( div F ) -(Δf) x (divF)-meaningless

(l) div( curl( grad f )) -div(curl(Δf))-scalar field

Step-by-step explanation:

(a) curl f - meaningless; a curl can only be taken of a vector field

(b) grad f - vector field; a gradient results in a vector field

(c) div F - scalar field; a divergence results in a scalar field

(d) curl( grad f ) - vector field; the curl of a vector field results in a vector field

(e) grad F - meaningless; a gradient can only be taken of a scalar field

(f) grad( div F ) -vector field ; the gradient of a scalar field is a vector field

(g) div( grad f ) - scalar field; the divergence of a vector field is a scalar field

(h) grad ( div f ) - meaningless; the divergence of a scalar field can not be taken

(i) curl ( curl F ) - vector field; the curl of a vector field is a vector field

(j) div( div F ) - meaningless; the divergence of a scalar field can not be taken

(k) ( grad f ) x ( div F ) - meaningless; a vector and scalar field cannon be crossed

(l) div( curl( grad f )) - scalar field; the divergence of a vector field is a scalar field

5 0
3 years ago
What is the reason for 2 and 4
Gemiola [76]
1. <2 and <3 are adjacent angles

2. c ll d
3 0
3 years ago
Suppose our retirement account pays 9% apr compounded monthly; what size nest egg do we need in order to retire with 25 years th
Natalka [10]

Answer:

  $595,808.11

Step-by-step explanation:

We assume the retirement account is intended to pay out $5000 per month for 25 years. The amortization formula can be used to find the required amount. The monthly payment A based on principal P with interest at annual rate r for t years satisfies the relation ...

  A = P(r/12)/(1 -(1 +r/12)^(-rt))

  P = A(12/r)(1 -(1 +r/12)^(-rt))

  P = 5000(12/0.09)(1 -(1 +.09/12)^-300)

  P = $595,808.11

The required nest egg is $595,808.11.

3 0
3 years ago
a class has 27 students.15 are boys the rest are girls. what is the ratio of girls to total students?
liraira [26]
15 boys to 12 gurls, 15:12
6 0
3 years ago
What can be the next step please helppppppppppppp
stepladder [879]

Answer:

Statement: Triangle ACD is congruent to Triangle BCD

Reason: SSA (Side, Side, Angle)

8 0
2 years ago
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