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Jet001 [13]
3 years ago
11

Answer would be needed ! thanks

Mathematics
2 answers:
Katena32 [7]3 years ago
6 0
The answer is A!!!!! Por nadaaaaa

Vanyuwa [196]3 years ago
3 0
55/A is the answer

Hope this helps
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Solve the equation:<br> [3 2<br> 5 5]<br><br> [x1<br> x2]+<br> [1<br> 2]=<br> [2<br> -3]
dsp73

9514 1404 393

Answer:

  (x1, x2) = (3, -4)

Step-by-step explanation:

As with any 2-step linear equation, subtract the constant, then multiply by the inverse of the coefficient of the variable.

  \left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]+\left[\begin{array}{c}1\\2\end{array}\right]=\left[\begin{array}{c}2\\-3\end{array}\right]\\\\\left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}1\\-5\end{array}\right]\\\\\left[\begin{array}{c}x\\y\end{array}\right]=\dfrac{1}{5}\left[\begin{array}{cc}5&-2\\-5&3\end{array}\right]\left[\begin{array}{c}1\\-5\end{array}\right]

Performing the multiplication of the matrix by the vector gives the solution.

  x = ((5)(1) +(-2)(-5))/5 = 15/5 = 3

  y = ((-5)(1) +(3)(-5))/5 = -20/5 = -4

Using your variables, x1, x2, the solution is ...

  (x1, x2) = (3, -4)

7 0
3 years ago
A new car is purchased for 17300 dollars. The value of the car depreciates at 9.25% per year. What will the value of the car be,
r-ruslan [8.4K]

Answer: 13

i got the question wrong and it told me the correct answer . thank me later

4 0
3 years ago
a sphere is circumscribed about an 8-inch by 8-inch by 8-inch cube. Find the volume to the nearest cubic inch.
Anit [1.1K]

The volume of the cube is (8 x 8 x 8)  =  8³  =  <em>512 cubic inches</em>  (exact)


7 0
3 years ago
Check my answer? Please, no joking around guys.
WITCHER [35]
This is a right angle triangle 
So we can use the tangent 
tan x = 5/20 
tan x= 0.25 
x=tan^-1 (0.25) 
x= 14.04 degrees 
So yes you're correct
3 0
3 years ago
Read 2 more answers
Put the square root of 16 on a number line
son4ous [18]

Answer:

4

Step-by-step explanation:

The square root of 16 is four since 4 x 4 is 16.

7 0
3 years ago
Read 2 more answers
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