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ella [17]
3 years ago
13

What is the solution to the system of equations? Use any method you like, but be sure to show all work.

Mathematics
2 answers:
Orlov [11]3 years ago
6 0
Download photo math
It will give you the answer and show you how to do it but the answer is (x,y),(-2,1)
Andrej [43]3 years ago
6 0
(x,y)=(-2,1)
hope this helps

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-50 POINTS- please help
e-lub [12.9K]

Answer:

-13

-10

Step-by-step explanation:

A x = B

To find X

A ^ -1 A  x = A ^ -1 B

x = A^ -1 B

x = -3/2  -5/2      2

     -1       -2         4

Across times down

-3/2 * 2 + -5/2 *4 = -13

-1 *2 -2 * 4 = -10

The matrix is

-13

-10

7 0
3 years ago
Read 2 more answers
What is the mean of 5,9,6,6,11,8,4
____ [38]

Answer:

7

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Solve this system algebraically.
seraphim [82]
From y-2x+3=0 we have y=2x-3
So we can replace y by 2x-3 in the equation: 9x+2y=5
And we have 9x+2(2x-3)=5
Or 9x+4x-6=5
and 13x=5+6
Or x=11/13, then y=2x-3= 2. 11/13-3=22/13-3= -17/13

So we have the answer <span>{(11/13, -17/13)}</span>
4 0
3 years ago
Jay was reaching into her purse and accidentally spilled her coin purse. 10 pennies fell on the floor. Jay noticed that only 2 o
kompoz [17]

Answer:

4.39%

Step-by-step explanation:

There are no marking to identify the coins, so the order is not important. Since the order not important we use combination instead of permutation.

A coin have 2 possible outcome, head or tails. Assuming the coin is fair each outcome will be 50% or 0.5 chance. If heads= A and tails =B, then the probability of 2 pennies will be:

P(A=2) = 2C10 * A^2 * B^(10-2)

P(A=2) = 10*9/2 * 0.5^2 * 0.5^8

P(A=2) = 0.0439= 4.39%

6 0
3 years ago
Who can help me with this worksheet ASAP need it for my tomorrow and I have a lot of homework to do please someone help me
RUDIKE [14]

Answer:

  1. 5n square root 5
  2. 6 square root 6v
  3. 16ki square root 2
  4. 10m square root m
  5. 4p square root 5p
  6. 3pi square root 5


6 0
3 years ago
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