2 years ago

12.012 divided by 5.6

Mathematics

2 answers:

Gelneren [198K]2 years ago

7 0

The answer would be 2.145

Sladkaya [172]2 years ago

7 0

The answer to your question is 2.145

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Binks needs to raise at least $3600. He was given $200 and plans to save $50 a week. Select all of the inequalities that represe

kherson [118]

Answer:

I'm pretty sure it is 50n+200 <u><</u> 3600

Step-by-step explanation:

Im to fully sure tho

5 0

1 year ago

Bill wants to rent a car. Rental company A charges $35 per day plus $0.10 per mile driven. Rental company B charges $25 per day

Llana [10]

35 + 0.10m = 25 + 0.15m
35 - 25 = 0.15m - 0.10m
10 = 0.05m
10 / 0.05 = m
200 = m.....the price will be the same at 200 miles...they will both cost : $ 55

7 0

2 years ago

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Let F(x, y, z) = (5ex sin(y))i + (5ex cos(y))j + 7z2k. Evaluate the integral C F · ds, where c(t) = 8 t , t3, exp( t ) , 0 ≤ t ≤

maria [59]

I'm going to assume this reads

$\vec F(x,y,z)=5e^x\sin y\,\vec\imath+5e^x\cos y\,\vec\jmath+7z^2\,\vec k$

and the path $C$ is parameterized by

$\vec c(t)=8t\,\vec\imath+t^3\,\vec\jmath+e^t\,\vec k$

with $0\le t\le1$ . Under this parameterization,

$\vec F(x,y,z)=\vec F(x(t),y(t),z(t))=5e^{8t}\sin(t^3)\,\vec\imath+5e^{8t}\cos(t^3)\,\vec\jmath+7e^{2t}\,\vec k$

and

$\mathrm d\vec c=\dfrac{\mathrm d\vec c}{\mathrm dt}\,\mathrm dt=(8\,\vec\imath+3t^2\,\vec\jmath+e^t\,\vec k)\,\mathrm dt$

Then in the integral,

$\displaystyle\int_C\vec F\cdot\mathrm d\vec s=\int_0^1\vec F(x(t),y(t),z(t))\cdot\frac{\mathrm d\vec c}{\mathrm dt}\,\mathrm dt$

$=\displaystyle\int_0^1(7e^{3t}+15e^{8t}t^2\cos(t^3)+40e^{8t}\sin(t^3))\,\mathrm dt\approx\boxed{12586.5}$

(It's unlikely that an exact answer can be found in terms of elementary functions)

4 0

2 years ago

If tammy takes 200 steps to travel 1/4 of a city block, how many steps will she take to travel 4 1/2 city blocks?

mamaluj [8]

For 1/4 city, he takes = 200 steps
for a city, it is = 200 * 4 = 800

Now, for 4 1/2 = 9/2 city, he would take = 800 * 9/2 = 3600

In short, Your Answer would be 3600 steps

Hope this helps!

8 0

2 years ago

Each week, Rosario drives to an ice skating rink that is 60 miles away. The round-trip takes 2.75 hours. If he averages 55 miles

zhuklara [117]

We have to use physics: vm = d/t
Where vm = average velocity
d = distance that one travel
t = time in which you travel

Using this formula we know that t = d/vm

First, we find how much time does it take to the rink:
t = 120/55

After we find out the time we have left:
2.75-120/55

Using the same formula we can now calculate the average on his way home =
120/(2.75-120/55)

The final equation:
x= 120/(2.75-120/55) = 211,2 miles per hour

3 0

2 years ago

Read 2 more answers