What is a standard procedure for dividing by a two-digit divisor?explain

1 answer:

7 0

Two-Digit Divisor in Long Division. Two-Digit Divisor in Long Division. This is a complete lesson with examples and exercises about two-digit divisor in long division, meant for initial teaching in 5th grade.

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3x^6x7x^9 is equivalent to

horsena [70]

Answer:

3x^5 . 7x^9

3.7.x^5 .x^9

If base is equal when at multiplication we add index

21.x^(5+9)

21 . x^(14)

Step-by-step explanation:

3 0

3 years ago

Solve the simultaneous linear equation 2x+5y=11, 7x+4y=2

Andrews [41]

Answer:

x = - $\frac{34}{27}$ and y = $\frac{73}{27}$

Step-by-step explanation:

2x + 5y = 11

7x + 4y = 2

Let's try elimination here since we have a system of equations:

-7(2x + 5y = 11) = -14x - 35y = -77

and

2(7x + 4y = 2) = 14x + 8y = 4

The x's cancel out now so let's combine the two equations:

-35 + 8 = -27

-77 + 4 = -73

-27y = -73

y = $\frac{73}{27}$

Now that we have y's value, let's plug that value in for y in the other equation. You may choose whichever equation you want to solve for x but it is recommended to use the easiest one. (Since this value is complicated, it won't really matter.)

2x + 5( $\frac{73}{27}$ ) = 11

2x + $\frac{365}{27}$ = 11