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kirill115 [55]
4 years ago
10

How to find 4 times (-5)

Mathematics
2 answers:
vfiekz [6]4 years ago
6 0

Answer: -20

Step-by-step explanation: Using the same expression except positive numbers, 4 x 5 = 20.

In this case, we can use this equation to find the product for the expression

4 x -5.

If 4 x 5 = 20, then 4 times -5 will also equal 20. However, since there is a negative factor in this expression, our answer will be negative causing our answer to be <u>-20.</u>

adoni [48]4 years ago
6 0
You have to do it like how you do 5x4 you will have to just bring down the - and you will get -20 for your answer

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Plz i need help and plz explain
Montano1993 [528]

\frac{ {x}^{2}  - 7x + 12}{ {x}^{2} - x - 12 }  \\  =  \frac{ {x}^{2} - 4x - 3x + 12 }{ {x}^{2} - 4x + 3x - 12 }  \\  =  \frac{x(x - 4) - 3(x - 4)}{x(x - 4) + 3(x - 4)}  \\  =  \frac{(x - 3)(x - 4)}{(x + 3)(x - 4)}  \\  =  \frac{x - 3}{x + 3}

x² - x - 12 ≠ 0

x² - 4x + 3x - 12 ≠ 0

x (x - 4) + 3 (x - 4) ≠ 0

(x + 3)(x - 4) ≠ 0

x ≠ -3 or x ≠ 4

(B)

3 0
3 years ago
True of false:There is always one solution of a system of linear equations.
MAXImum [283]

Answer:

true

Step-by-step explanation:

3 0
4 years ago
(1) Which fraction is a multiple of 1/6
prisoha [69]
Answers:
___________
1) [C]:  4/6 ;
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2) [D]:  5/8 ; 
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3) [A]:  10/3 ;
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4)  Both: [C]: 2/10; and: [D]: 3/13;  are NOT multiples of 1/12
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5 0
3 years ago
If you break up the number under the radical in √36 into two factors that are perfect squares, what are the two factors?
Natasha2012 [34]

Answer:

Please delete this I accidentally did this

Step-by-step explanation:


5 0
3 years ago
20 - 7x = 7x + 13 solution or no solution
Alekssandra [29.7K]
Hi,

Solving:

20 - 7x = 7x + 13 \\ - 7x - 7x + 20 = 7x - 7x + 13 \\ - 7x - 7x + 20 = 13 \\ - 7x - 7x = 13 - 20 \\ ( - 7 - 7)x = - 14x \\ - 14x = 13 - 20 \\ - (20 - 13) = - 7 \\ - \not14x \div ( - \not14) = - 7 \div ( - 14) \\ x = -7 \div ( - 14) \\ ( - ) \div ( - ) = ( + ) \: \: \: \: \: \: \: rule \\ x = 7 \div 14 = \frac{1}{2} = 0.5

Equation haves a solution.

Hope this helps you understand your question better.

If you posses any additional questions you are welcome to comment below.

r3t40
5 0
4 years ago
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