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2 years ago

jack got the expression 7x+1 and then wrote his answer as 1+7x is his answer an equivalment expression how do you know

Mathematics

1 answer:

Ugo [173]2 years ago

6 0

The equation was just flipped around, it will equal the same no matter what.

I hope this helps!! :)

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kirill [66]

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Step-by-step explanation:

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2 years ago

Please help properties of exponents

defon

Answer:

Step-by-step explanation:

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3 years ago

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3 years ago

4 a + 5 b when a = 4 and b = - 1.2

Firdavs [7]

The answer is 10.

4 a + 5 b when a = 4 and b = - 1.2

8 0

3 years ago

Read 2 more answers

The midpoint of AB is M (2,0). If the coordinates of A are, (-3, 3), what are the coordinates of B?

gregori [183]

Given:

M is the midpoint of AB.

M(2,0) and A(-3, 3).

To find:

The coordinates of point B.

Solution:

Midpoint formula:

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Let the coordinates of point B are (a,b). Then, using the midpoint formula, we get

$(2,0)=\left(\dfrac{-3+a}{2},\dfrac{3+b}{2}\right)$

On comparing both sides, we get

$\dfrac{-3+a}{2}=2$

$-3+a=2\times 2$

$a=4+3$

$a=7$

And,

$\dfrac{3+b}{2}=0$

$3+b=0$

$3+b-3=0-3$

$b=-3$

Therefore, the coordinates of point B are (7,-3).

5 0

2 years ago