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grandymaker [24]
4 years ago
12

46% of ___ = 46? Thank you!

Mathematics
2 answers:
Phantasy [73]4 years ago
7 0
.46 times x equals 46.
Divide 46 by .46.
The answer is 100.
Svetllana [295]4 years ago
4 0

Answer:

100

Step-by-step explanation:

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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
Solve this quadratic equation. Show all work. <br><br><br> 4x^2-2x-5=0
kicyunya [14]
X= -b⁺₋ √b²-4ac/2a
x= (-(-2)⁺₋√(-2)²- 4(4)(-5))/2(4)
x= 4 ⁺₋√4+80/8
x= (4⁺₋ 9.165)/8
x= 4+9.165)/8 or x= 4-9.165)/8
x= 1.40 or x= -0.896

6 0
3 years ago
What is 4 - 2x = -2
vlada-n [284]

Answer:

x=3

Step-by-step explanation:

4-2x-4=-2-4

-2x=-6

\frac{-2x}{-2}=\frac{-6}{-2}

x=3

if i can get brainliest that would be great

8 0
4 years ago
GOOD QUESTION BELOW PLS LOOK AT PHOTO
Dmitriy789 [7]

Answer:

lol

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
The Miller family visited Mama's Kitchen and ordered 4 hamburgers and 3 medium fries and paid $18.69. James ordered a medium dri
sergij07 [2.7K]
To answer the question, let x be the cost of each hamburger, y be the cost of each medium fries, and z be the cost of each medium drink. The equations that are described in the problem are,
       (Miller )        4x + 3y = 18.69
       (James)       x + 2y + z = 8.66
       (Steven)      2x + y + z = 10.27
Solving simultaneously for the values of the variables give x = 3.36, y = 1.75, and z = 1.8. 
Thus, each hamburger costs $3.36. Each medium fries cost $1.75, and each drink costs $1.8.
3 0
3 years ago
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