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sleet_krkn [62]
3 years ago
5

Please help me and show work thank you

Mathematics
2 answers:
azamat3 years ago
7 0
I’m really really sorry but I don’t know the answer, I just needed the points
REY [17]3 years ago
4 0

Answer:

-21

Step-by-step explanation:

We can use the opposite operation and subtract 4.3 from -16.9 to find out what w is. From that, we will get -21.

(I'm really sorry, I'm bad at explaining things but I hope this helped)

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Find the first partial derivatives of the function f(x,y,z)=4xsin(y−z)
Amanda [17]

Answer:

f_x(x,y,z)=4\sin (y-z)

f_x(x,y,z)=4x\cos (y-z)

f_z(x,y,z)=-4x\cos (y-z)

Step-by-step explanation:

The given function is

f(x,y,z)=4x\sin (y-z)

We need to find first partial derivatives of the function.

Differentiate partially w.r.t. x and y, z are constants.

f_x(x,y,z)=4(1)\sin (y-z)

f_x(x,y,z)=4\sin (y-z)

Differentiate partially w.r.t. y and x, z are constants.

f_y(x,y,z)=4x\cos (y-z)\dfrac{\partial}{\partial y}(y-z)

f_y(x,y,z)=4x\cos (y-z)

Differentiate partially w.r.t. z and x, y are constants.

f_z(x,y,z)=4x\cos (y-z)\dfrac{\partial}{\partial z}(y-z)

f_z(x,y,z)=4x\cos (y-z)(-1)

f_z(x,y,z)=-4x\cos (y-z)

Therefore, the first partial derivatives of the function are f_x(x,y,z)=4\sin (y-z), f_x(x,y,z)=4x\cos (y-z)\text{ and }f_z(x,y,z)=-4x\cos (y-z).

4 0
3 years ago
What two factors that can be multiply by 19
Vsevolod [243]
19 is a prime number so 1, 19
hope this helps!
5 0
3 years ago
Read 2 more answers
I will mark brainlist for this science question please. I need to figure out where to put where. And what percentages. Your choi
ozzi

Answer:

Long wings: 0

Short wings: 100

Step-by-step explanation:

Genotype of the flies: ww

The cross will yield the genotype ww and the flies will express the recessive phenotype which is short wings.

The probability for long wings will be 0 as there is no dominant allele present. The probability for short wings will be 100 as all the flies will have short wings.

Hope that helps.

3 0
2 years ago
On average, an American hummingbird flaps its wings about 3,180 times per minute.
Elden [556K]

Answer:

53 times per second

Step-by-step explanation:

There are 60 seconds in 1 minute, so divide the 3180 flaps per minute into 60 equal parts.

3180 / 60 = 53

5 0
2 years ago
State whether the data described below are discrete or​ continuous, and explain why. The exact mass (in grams )of food eaten by
NARA [144]

Answer:

A. The data are continuous because the data can take on any value in an interval.

Step-by-step explanation:

The data surveyed is the exact mass, in grams, of food eaten by each person each day.

This type of data is continous, not discrete. The mass can take any value within the domain of positive real numbers. It represents a physic variable, and they are always continous.

5 0
3 years ago
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