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inysia [295]
3 years ago
14

I need help pleaseeeee

Mathematics
2 answers:
slega [8]3 years ago
8 0
500 times more!!


Hehehehhehe
Elza [17]3 years ago
7 0

Answer:

Mass of planet B is larger than A by 500 times

Step-by-step explanation:

Mass of planet A= 8*10^24

Mass of planet B= 4* 10^27

Larger Mass= Mass of planet B

Mass of planet B/Mass of Planet A= 4* 10^27/8*10^24

=1*10^(27-24)/8

=(1*10^3)/2

=1/2*10^3

=1000/2

Therefore by, 500 times.

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If a=4 and b=5, what is the value of the following expression? 3 (a+3b)-4
gavmur [86]

Answer: The answer is 23

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
While exercising victor walked 3/4 of a mile in 1/5 of an hour. at this rate how far will he have traveled after an hour
Marina86 [1]
(1 / 5) hour is 12 minutes and five times this equals 1 hour.
So the distance times 5 equals miles per hour.
(3 / 4) * 5 = 15 / 4 = 3.75 mph


4 0
3 years ago
Let F⃗ =2(x+y)i⃗ +8sin(y)j⃗ .
Alik [6]

Answer:

-42

Step-by-step explanation:

The objective is to find the line integral of F around the perimeter of the rectangle with corners (4,0), (4,3), (−3,3), (−3,0), traversed in that order.

We will use <em>the Green's Theorem </em>to evaluate this integral. The rectangle is presented below.

We have that

           F(x,y) = 2(x+y)i + 8j \sin y = \langle 2(x+y), 8\sin y \rangle

Therefore,

                  P(x,y) = 2(x+y) \quad \wedge \quad Q(x,y) = 8\sin y

Let's calculate the needed partial derivatives.

                              P_y = \frac{\partial P}{\partial y} (x,y) = (2(x+y))'_y = 2\\Q_x =\frac{\partial Q}{\partial x} (x,y) = (8\sin y)'_x = 0

Thus,

                                    Q_x -P_y = 0 -2 = - 2

Now, by the Green's theorem, we have

\oint_C F \,dr = \iint_D (Q_x-P_y)\,dA = \int \limits_{-3}^{4} \int \limits_{0}^{3} (-2)\,dy\, dx \\ \\\phantom{\oint_C F \,dr = \iint_D (Q_x-P_y)\,dA}= \int \limits_{-3}^{4} (-2y) \Big|_{0}^{3} \; dx\\ \phantom{\oint_C F \,dr = \iint_D (Q_x-P_y)\,dA}= \int \limits_{-3}^{4} (-6)\; dx = -6x  \Big|_{-3}^{4} = -42

4 0
3 years ago
Decide whether x=2 is a solution of x square+4x-12=0
hjlf

Answer:Yes, it is


Step-by-step explanation:

2^2+4(2)-12=0

4+8-12=0

12-12=0

0=0

7 0
3 years ago
A water slide is a straight ramp 25 m long that starts from the top of a tower. If the angle the slide forms with the top of the
My name is Ann [436]

Answer:

d. 21 m I just did it

Step-by-step explanation:

cos33= h/25

*25          *25      multiply each side by 25

20.96= h

rounded the answer is h=21

5 0
3 years ago
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