3 years ago

(-6 - 4) : (-5) = ? What is the answer to this plz help

Mathematics

1 answer:

Nesterboy [21]3 years ago

6 0

Answer:

-10 not sure what : is

Step-by-step explanation:

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What is the value of the x variable in the solution to the following system of equations? (5 points) 2x − 3y = 3 5x − 4y = 4 Sel

Rama09 [41]

Answer:

D. There is no x value as there is no solution to this system

Step-by-step explanation:

2x − 3y = 3 5x − 4y = 4

5x - 4y = 4 -4y = -5x + 4 y = 5/4x - 1

2x - 3(5/4x - 1) = 3

2x - 15/4x + 3 = 3

-7/4x = 0

x = 0

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3 years ago

1 point) Are the functions f,g, and h given below linearly independent? f(x)=e3x+cos(5x), g(x)=e3x−cos(5x), h(x)=cos(5x). If the

Fynjy0 [20]

Answer:

Functions are linearly dependent (are not linearly independent.)

Step-by-step explanation:

Remember that two functions f(x), g(x) and h(x) are said linearly independent on an interval I if the <em>only solution</em> to the equation

$\alpha f(x)+\beta g(x)+\omega h(x)=0, \ \text{for all } x\in I$

is the trivial one: α = 0, β = 0, ω = 0. If they are not linearly independent, they are called linearly dependent.

Now, let f(x), g(x) and h(x) be the functions:

$f(x)=e^{3x}+\cos(5x),$

$g(x)=e^{3x}-\cos(5x),$

$h(x)=\cos(5x).$

Then, letting α = 1, β= -1 and ω = -2, we see that:

$\alpha f(x)+\beta g(x)+ \omega h(x)=e^{3x}+\cos(5x)-e^{3x}+\cos(5x)+2\cos(5x)=0.$

Hence, the functions f(x), g(x) and h(x) are not linearly independent, or equivalently, are linearly dependent.

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3 years ago

The temperature in degrees Celsius, can be determined using the expression {5}{9}5 9 (F – 32) where F is the temperature in degr

Sergio039 [100]

Answer:

45 degrees Celsius

Step-by-step explanation:

5/9 (113 - 32)

5/9 (81)

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3 years ago

What is 98.627<br> -8.823

Phoenix [80]

Answer:

89.804

Step-by-step explanation:

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3 years ago

A couple deposits $23,000 earning 3% annual intrest for 30 years. calculthe future value of the investment of the intrest is com

Hoochie [10]

A = 23,000(1 + .03/365)^365(30)
A = 23,000(1.000082192)^10950
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Hope this helps :)

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3 years ago