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tresset_1 [31]
3 years ago
11

F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 9z2 k C: x = t2, y = t + 1, z = 2t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f.

f(x, y, z) = Correct: Your answer is correct. (b) Use part (a) to evaluate C ∇f · dr along the given curve C.
Mathematics
1 answer:
scoray [572]3 years ago
5 0

Answer:

a) x^2z+xy^2+3z^3

b) 11

Step-by-step explanation:

Look at https://www.math.ubc.ca/~malabika/teaching/ubc/fall08/math263/hw8-solution.pdf for explanation.

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alexdok [17]
Yes, your answer is correct
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3 years ago
Salma purchased a prepaid phone card for $15. Long distance calls cost 17 cents a minute using this card, Salma used her card on
Kay [80]

Step-by-step explanation: Answer: around 64 minutes

We need to first set the two equal to each other.

We can model the first part using the slope intercept form.

y=.17x+15

We are trying to find the amount of minutes or x she can spend. We solve for x by using inverse operations.

However, the question states that she has already paid the flat fee of 15 dollars, so we are only doing .17x=10.92 (inverse operations for x)

X=64.23 minutes or around that.

6 0
3 years ago
Volunteers at Sam's school use some of the student council's savings for a special project. They buy 8 backpacks for $8 each and
Tpy6a [65]

Answer:

The savings were changed by $88

Step-by-step explanation:

1 backpack costs 8 dollars and they bought 8 of them, you have to multiply 8 dollars by 8 cause there is 8 backpacks which is 64 , pen and pencils for 1 backpack costs 3 dollars , so you have to multiply 3 by 8  cause there are 8 backpacks which is 24. then you add 64 and 24 which is 88

5 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!!!!!!!
lora16 [44]
People tend to like caramel w/o chocolate
6 0
3 years ago
Please help!
n200080 [17]

Answer:

32.5

Step-by-step explanation:

7h+1.50d

step 2: plug in the hours he worked and the amount of deliveries made.

(7x4)+(1.50x3)=32.5

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3 years ago
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