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Mazyrski [523]
3 years ago
14

Another way to write 9 x 200

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0
200+200+200+200+200+200+200+200+200
djyliett [7]3 years ago
6 0

Answer:

Since, Multiplication is a shortcut for addition.

Use of Distributive Property is the most familiar alternative way to write 9 x 200.

Distributive Property states that when a number is multiplied by the sum of two numbers, then the  first number can be distributed to both of those numbers and multiplied by each of them separately i.e,

a \times (b+c) =a\times b +a\times c

9 x 200

First replace 200 as 100+100 then, we have

9 \times (100+100)

Now, using distributive property above:

9 x 200 = 9 \times (100+100) =(9 \times 100)+ (9 \times 100) = 900+900 =1800.



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Find the solution to the system of equations algebraically. SHOW ALL WORK FOR FULL CREDIT! x+y=-6 xy=-7
Mekhanik [1.2K]
You can solve this by substitution: 

x + y = -6
y = -6-x
Substitute for y in  xy = -7:-
x(-6 - x) = -7
-x^2 - 6x = -7

x^2 + 6x - 7 = 0
(x + 7)(x - 1) = 0

so x = -7, 1

To find the values of y plug  these va;ues of x into the equation x + y = -6:-
when x = -7,  y = -6 + 7 = 1
when x =  1, y = -6 - 1 =  -7

so answer is  x = -7 and y = 1
  and              x = 1 and y = -7


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otez555 [7]

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6 0
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Please explain how you got the answer
Mars2501 [29]

Answer:

part a.

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deff fn [24]

Answer:

Step-by-step explanation:

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