What is - 4/5 times -5/7

Mathematics

2 answers:

andreev551 [17]3 years ago

6 0

What is - 4/5 times -5/7?
20/35 or in simplified form 4/7

lubasha [3.4K]3 years ago

5 0

The answer is 4/7

4 5
- * -
5 7
Multiply across so 4*5 is 20 and 5*7 is 35
You can simplify that by 5 so the answer would be positive 4/7.
Remember a negative times a negative is positive and a positive times a positive is a positive.
Different signs like negative times a positive would result in a negative answer.

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Ipatiy [6.2K]

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3 years ago

If 3x+54+(65 × 32)+ 902- (43/12) =y, then what is y?

IceJOKER [234]

Answer:

We cannot solve without a value for x. The simplified form is $3x+\frac{36,389}{12} =y$

Step-by-step explanation:

If the equation is $3x+54+(65)(32)+902-\frac{43}{12}=y$ then we cannot solve it until we know the value of x. We can simplify it using order of operations such as PEMDAS.

$3x+54+(65)(32)+902-\frac{43}{12}=y \\3x+54+2,080+902-\frac{43}{12}=y \\3x+3,036-\frac{43}{12}=y \\3x+\frac{36,432}{12} -\frac{43}{12} =y\\3x+\frac{36,389}{12} =y$