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3 years ago

14

Given the following vector fields and oriented curves C, evaluate integral F * T dsF = <-y, x> on the semicircle r(t) = &l

t;4 cos t, 4 sin t>, for 0<= t <= Pi

1 answer:

luda_lava [24]3 years ago

4 0

Answer:

Answer is 16 $\pi$ .

Step-by-step explanation:

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Dan's dog walking job pays $15 per hour his job as a car wash attendant pays $400 each week Dan wants to know how many hours he

Sergio [31]

Answer:

520<400+15x

15x>120

15x+400>520

Explanation:

Pay of Dan's car wash attendant job =$400 per week

The amount he earns per hour walking dogs = $15

Let the number of hours spent walking dogs in a week = x

Therefore, total earning for walking dogs =$15x

Since he wants to earn more than $520, we have that:

$15x+400>520\text{ (Option F)}$

We can rewrite this as:

$520$

If we collect like terms, we have:

$\begin{gathered} 520-400$

So the inequalities are:

0. 520<400+15x

,

1. 15x>120

,

2. 15x+400>520

5 0

9 months ago

Using the numbers 8, 6, 4, and 2 write an expression that equals 32.

Dennis_Churaev [7]

One way can be 8x(6-4+2).

4 0

3 years ago

Can someone solve this

Natalka [10]

Option D:

ΔCAN ≅ ΔWNA by SAS congruence rule.

Solution:

Given data:

m∠CNA = m∠WAN and CN = WA

To prove that ΔCAN ≅ ΔWNA:

In ΔCAN and ΔWNA,

CN = WA (given side)

∠CNA = ∠WAN (given angle)

NA = NA (reflexive side)

Therefore, ΔCAN ≅ ΔWNA by SAS congruence rule.

Hence option D is the correct answer.

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3 years ago

Evaluate the expression when x=20, y=4, and z=7. 3z+8

Finger [1]

Answer:

3z+8

3(7)+8

21+8

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3 years ago

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5 rubber stamps cost $9.70.

Ratling [72]

E None of the above

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2 years ago