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Setler79 [48]
2 years ago
8

Observa las ilustraciones y escribe la fracción que corresponde a cada giro

Mathematics
1 answer:
frosja888 [35]2 years ago
6 0

Answer:

1: 7/12 2:1/3 3:1/2 4:1/3 5:5/8 6:1/2 7:6/10 8:1/1 9:1/4

Step-by-step explanation:

lo saque de otro trabajo igual.

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Use Cramer's Rule to find x in the system of equations below.
Ronch [10]

Answer: x = 4 , y = -3

Step-by-step explanation:

Going by the Cramer's rule , we first determine the determinant by dealing with only  the coefficients of x and y in the 2 x 2 matrix.

2x  -  3y = 17

5x  + 4y = 8

2        -3

5         4,   going by the rule now, we now have

(2 x 4) - (5 x -3)

8 + 15

= 23.

Now to find the value of x , replace the constants with the coefficient of x and divide by he determinants.

 17        -3

 8          4

---------------  

2           -3

5            4

( 17 x 4 ) - ( 8 x -3 )

---------------------------

         23

     =  68 + 24

         ------------

              23

    =       92/23

    =           4.

 x =   4

Now  to find y, just repeat the process by replacing the coefficient of y with the constants.

2        17

5        8

-----------

2        -3

5         4

( 2 x 8 ) - ( 5 x 17 )

-----------------------

            23

       16 - 85

       ---------

          23

  =  -69/23

  =   -3

y =  -3.

check

substitute for the values in any of the equations above.

2(4)  - 3(-3)

8  + 9

= 17

 

 

8 0
3 years ago
3 to the 4th power + 2 ⋅ 5 =
Mandarinka [93]
Hello,

The answer is "x=91".

Reason:

First write the equation:

3^4+2*5=

Now use PEMDAS:

E goes first:

3^4=3*3*3*3=81

81+2*5

M goes next:

2*5=10

81+10=

Now use A:

81+10=91

x=91

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
4 0
3 years ago
In 2017, the price of gas in a certain state changed from $2.24 to $2.56. Calculate the percent of change increase in the price
Eva8 [605]

Answer:

12.5%

Step-by-step explanation:

2.56-2.24 =0.32

By using the rule of three we can find the answer.

we have that 2.56 = 100% so we have to find what percentage 0.32 represents

(0.32*100)/2.56 = 12.5

8 0
3 years ago
Read 2 more answers
Convert 8pints to cups
ruslelena [56]
The correct answer is 16 cups. Because 8 pints equal 16 cups.

Hope I helped!

- Amber
4 0
3 years ago
Please help me with my problem
Doss [256]
D and F are not equivalent to ax+bx+ac+bc+
8 0
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