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AlexFokin [52]
3 years ago
10

......!.!.?.!!,.??.?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
4 0
Do you have step one? maybe i can try it but im not that good in math 


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How do I solve this out??
GuDViN [60]
<h3>Answer:</h3>

(x, y) = (7, -5)

<h3>Step-by-step explanation:</h3>

It generally works well to follow directions.

The matrix of coefficients is ...

\left[\begin{array}{cc}2&4\\-5&3\end{array}\right]

Its inverse is the transpose of the cofactor matrix, divided by the determinant. That is ...

\dfrac{1}{26}\left[\begin{array}{ccc}3&-4\\5&2\end{array}\right]

So the solution is the product of this and the vector of constants [-6, -50]. That product is ...

... x = (3·(-6) +(-4)(-50))/26 = 7

... y = (5·(-6) +2·(-50))/26 = -5

The solution using inverse matrices is ...

... (x, y) = (7, -5)

7 0
3 years ago
you have 148 feet of fencing to enclose a rectangular region. What is the maximum area of the region?
Nikitich [7]

4x37

Step-by-step explanation:

only a few ways to get to 148

4 0
3 years ago
How much is 5/6 times 2 3/4
Anit [1.1K]
5/6 x 2 3/4 = 5/6 x (2x4+3)/4 = 5/6 x 11/4 = 55/24 = 2 7/24
6 0
3 years ago
Read 2 more answers
the model shows -3x + 5= -2x -1. What value of x makes the equation true? look at the picture please..
Stels [109]

Answer:

D. x=6

Step-by-step explanation:

-3x + 5= -2x -1

more variables to left hand side and change its sign

-3x+2x+5=-1

move constant to right hand side and change its sign

-3x+2x=-1-5

collect like terms

-x=-1-5

calculate the difference

-x=-6

change the signs on both sides of the equation

x=6

5 0
3 years ago
A sample of carbon dioxide occupies a volume of 3.50 l at 125 kpa pressure. what pressure would the gas exert if the volume was
Novosadov [1.4K]

The gas exerts a pressure of 218.75 kPa when its volume is reduced to 2.0 L, following the behavior of an ideal gas.

Ideal gas behavior:

Suppose the initial volume of carbon dioxide gas is V = 3.5l

Initial pressure is P = 125 kPa

Since the volume is reduced to 2.0l, the final volume is shown as V'= Will be done. 2L

The final pressure of the gas is P'.

We consider the behavior of gas to be ideal. From the ideal gas equation, it becomes as follows.

PV = P'V'

125 × 3.5 = P'× 2

P'= 218.75 kPa

Therefore, the final pressure is 218.5 kPa.

Learn more about ideal gas, visit brainly.com/question/11676583?referrer=searchResults

#SPJ4

3 0
2 years ago
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