2 years ago

What plus 4/3 equals 19/3 in the simplest form?

Mathematics

1 answer:

dangina [55]2 years ago

4 0

15/3 + 4/3 = 19/3

All you have to do is subtract 4/3 from 19/3 to get 15/3

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This system of equations has an infinite number of solutions. Define the solutions algebraically, and allow z to represent all r

Soloha48 [4]

Answer:

x = 12z + 1 and y = 10z - 1

Step-by-step explanation:

To solve the system of equations, we can use the substitution method

If we call

3x - 4y + 4z = 7 I

x - y - 2z = 2 II

2x - 3y + 6z = 5 III

Clearing II x = 2 + y + 2z

Now, replacing II in III

2(2 + y + 2z) - 3y +6z = 5

4 + 2y + 4z - 3y + 6z = 5

10z - y = 1 from here y = 10z - 1

Finally, replacing y in I

3x - 4(10z - 1) + 4z = 7

3x -40z + 4 + 4z = 7

3x - 36z = 3

3x = 36z + 3

x = 12z + 1

Done

7 0

3 years ago

Otrada [13]

When 2 lines are parallel to each other mean than they have same gradient
y=5x +2
Gradient=5

Let the parallel equation be y=5x +c
Since this equation pass through (4,7), means that the point satisfy the parallel equation
7=5(4)+c
C=7-20=-13
So the parallel equation required is y=5x-13

Hope this can help.

3 0

2 years ago

Which expression is equivalent to 1/1-2sin^2(x)?

Alika [10]

Answer:

a) $\frac{1}{cos(2x)}$