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Savatey [412]
3 years ago
8

Jack paid $560 in fees for a certain duration of club membership dues. The admission fee of the club was $200, and Jack has to p

ay $30 per month to continue his membership. The function for his club fees is given.

Mathematics
2 answers:
kherson [118]3 years ago
8 0

Answer:

12 months

Step-by-step explanation:

3241004551 [841]3 years ago
4 0

Answer:

12 months or a year

Step-by-step explanation:

I'm guessing you need to know the duration of his membership?

560= 30x + 200

x= months

560 -200 = 360

360/30 = 12 months = 1 year

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g The tangent plane to z=f(x,y) at the point (1,2) is z=5x+2y−10. (a) Find fx(1,2) and fy(1,2). fx(1,2)= Number fy(1,2)= Number
murzikaleks [220]

Answer:

The values for Fx(1,2) and Fy(1,2) are 5 and 2 respectively.

Approximation at points (1.1,1.9) is 0.7

Step-by-step explanation:

Given:

Tangent plane to  a surface z=5x+2y-10 as the function at point (1,2)

To find :

f(x,y) at (1,2)

partial derivatives of function w.r.t. (x and y) and value of that function at given points.

Solution:(refer the attachment also)

Now we know that

the equation of tangent plane at given points to the surface is given by,

f(x1,y1,z1) and z=f(x,y)

z-z1=Fx(x1,y1)*(x-x1)+Fy(x1,y1)*(y-y1)

here Fx(x1,y1) and Fy(x1,y1) are the partial derivatives of x and y.

now

taking partial derivative w.r.t. x we get

Fx(x1`,y1)=\frac{d}{dx} (5x+2y-10)

=5.

Then w.r.t y we get

Fy(x1,y1)=

\frac{d}{dy}(5x+2y-10)

=2.

The values for Fx(1,2) and Fy(1,2) are 5 and 2 respectively.

Using the Linearization or linear approximation we get

L(x,y)=f(x1,y1)+Fx(x,y)*(x-x1)+Fy(x,y)(y-y1)

=-1+5(x-1)+2(y-2)

=5x+2y-10

Approximation at F(1.1,1.9)

=5(1.1)+2(1.9)-10

=5.5+3.8-10

=0.7

Approximation at points (1.1,1.9) is 0.7

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2 years ago
Manuela tiene una colección de 66 cromos que quiere repartir en montones iguales sin que sobre ninguno. ¿Cuántos cromos puede te
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Answer:

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Step-by-step explanation:

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3 years ago
HELPppp im confused .
mars1129 [50]

Answer:

2x + 7 + 3 - 2

Step-by-step explanation:

standard form

8 0
3 years ago
Marisa is baking cakes for a bake sell. She plans on making 21 cakes. Each cake calls for 200 grams of all purpose flour. She ha
True [87]
1,700 grams

or

1.7 kilograms
8 0
3 years ago
Choose the equation that could be used to find three consecutive integers whose sum is 75. n + (n + 1) + (n + 2) = 75 n + (n + 2
Vesna [10]
Correct Answer:
First Option

Let the first integer be n.
Since the integers are consecutive, the integer next to n will be n+1
and so the third integer will be n+2

Therefore, the three integers are:
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Their sum is 75. So we can write the equation as:

n + (n+1) + (n+2) = 75

This equation can be used to find n. After finding n, we can find the next two integers by finding (n+1) and (n+2)

8 0
3 years ago
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