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3 years ago

9

What are the rules for determining the sign of the product when multiplying intgers

1 answer:

Anastasy [175]3 years ago

5 0

A positive number multiplied by a positive number is positive.

A positive number multiplied by a negative number is negative.

A negative number multiplied by a negative number is positive.

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steve is 5 years older than his brother joe. in 4 years steve will be twice as old as joe will be then. how old is steve now?

creativ13 [48]

Here is the answer with an explanation

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3 years ago

From the set {200, 210, 388}, use substitution to determine which value of x makes the equation true.

IrinaK [193]

Answer:

b

Step-by-step explanation:

because x= 386

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3 years ago

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Solve the radical equation.<br> √x − 1 + 5 = 9

Rudik [331]

Answer:

17

Step-by-step explanation:

square root of x-1 +5=9

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2 years ago

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What is 4.62 expressed as an improper fraction

Artemon [7]

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4 years ago

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Can someone help me with system of equations?

nignag [31]

2x + y = 350
x + 2y = 475
3x + 3y = 825
x + y = 275
x = 275 - y
(plug back into first equation)
2(275 - y) + y = 350
550 - 2y + y = 350
550 - y = 350
-y =-200 or y = $200 (dog)
therefore, x = $75 (cats)
Check
2(75) + 200 = 350
75 + 400 = 475
HAPPINESS! :)

3 0

3 years ago