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3 years ago

Graph the point that has the coordinates (4 1/2, 2 1/2).

Mathematics

1 answer:

inn [45]3 years ago

6 0

Answer:

Graph is below

Step-by-step explanation:

I graphed the point on the graph below.

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Show that the given curve c(t) is a flow line of the given velocity vector field F(x, y, z).

liq [111]

Answer:

a) $c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)$

b) $c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)$

Step-by-step explanation:

We are given in the question:

$c(t) = (2 Sin(t), 2 Cos(t), 9e^t)$

F(x,y,z) = (y, -x, z)

a) $c'(t)$

We differentiate with respect to t.

$c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)$

b) F(c(t))

This is a composite function.

$F(c(t)) = F(2 Sin(t), 2 Cos(t), 9e^t)$

$= (2 Cos(t), -2 Sin(t), 9e^t)$

6 0

3 years ago

A researcher surveyed five randomly selected employees from each of four different companies about their daily commutes to work.

Yuki888 [10]

Its company 1. if you find the means of all of the company's, company 1 has the biggest mean which means they have the longest commute. So the answer is company 1

6 0

2 years ago

Read 2 more answers

The spinner below is spun once and a card is drawn from a deck of 4 cards labeled A, B, C, and D. Find the probability of each e

Lorico [155]

Answer:

the prob of a,b,c or d being picked up is 1/4

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

5l of 70% alcohol solution was mixed with 9l of pure water what is the concentration of the mixture

ElenaW [278]

The new mixture has a total volume of 5 L + 9 L = 14 L.

70% of the 5 L alcohol solution is alcohol, so that it contributed 3.5 L of alcohol to the mixture. The pure water contributed no alcohol. So in the mixture, the concentration of alcohol is

3.5 L / 14 L = 0.25, or 25%

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3 years ago

How are rational expressions related to rational numbers?

Sholpan [36]

A rational expression is the same way that any integer is also a rational number. You can stick to any polynomial in the numerator of a fraction and put "1" in the denominator.

4 0

2 years ago