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Alex17521 [72]
3 years ago
5

How is a good way on how to know how to solve linear equations with a variable on each side?

Mathematics
1 answer:
uranmaximum [27]3 years ago
4 0
If the variable is the same you can combine it
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Find the directional derivative of the function at the given point in the direction of the vector v. f(x, y, z) = xyz , (3, 3, 9
Anna [14]

The derivative of f(x,y,z) in the direction of a vector \mathbf u is

\nabla_{\mathbf u}f=\nabla f\cdot\dfrac{\mathbf u}{\|\mathbf u\|}

With f(x,y,z)=xyz, we get

\nabla f=(yz,xz,xy)

and \mathbf u=(-1,-2,2),

\|\mathbf u\|=\sqrt{(-1)^2+(-2)^2+2^2}=3

Then

\nabla_{(-1,-2,2)}f(3,3,9)=(27,27,9)\cdot\dfrac{(-1,-2,2)}3=-21

8 0
3 years ago
i need the answer and if possible, can you show your work? i would like to know the steps. Please and thanks you
lisov135 [29]

Answer: The volume would be 61.261.

Step-by-step explanation: To find the volume of a sector of a cylinder use the following formula and fill in the variables with the appropriate data.  V = π r² h * Θ / 360°

7 0
3 years ago
What is the area of this triangle?<br><br> A=bh2<br><br> 17 m²<br> 30 m²<br> 60 m²<br> 120 m²
e-lub [12.9K]
A = 1/2 x bh
A = 1/2 x 5 x 12
A = 6 x 5
A = 30m

6 0
3 years ago
Read 2 more answers
For a science experiment Marcia dissolved 1.0 kilogram of salt in 3.0 liters of water. For a different experiment, Bobby dissolv
nekit [7.7K]
Marcia dissolved 1 kg of salt in 3 litres of water.
Bobby dissolves 2 pounds of salt in 7 pints of water
2.11 pints = 1 litre
7 pints = 7/2.11
           = 3.32 litre
1 pound =0.45 kg
2 pound = o.45*2 kg
               = 0.9 kg
So we find that Bobby is dissolving 0.9kg of salt in 3.32 litre of water
Marcia is dissolving 1 kg of salt in 3 litres of water.
5 0
3 years ago
I need help understanding this problem I just joined my new school and I don’t understand this can someone help me?
NNADVOKAT [17]

Answer:150

Step-by-step explanation:p

100

×

18

=

27

100

18

×

p

100

×

18

=

100

18

×

27

100

18

×

p

100

×

18

=

2700

18

p

=

2700

18

p

=

150

8 0
3 years ago
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