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Vlad1618 [11]
3 years ago
6

What is the value of the expression -(-4)(-6)-3/5(10+15)

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

-(-4)(-6)*3/5(10+15)

when there is a (-) in front of an expression in parentheses, change the sing of each term in the expression.

4*(-6)*3/5*(10+15)

Add the numbers (10+15)

4(-6)*3/5*25

multiplying an odd number of negative terms makes the product negative

-4*6*3/5*25

reduce the number with the greatest common factor 5

-4*6*3*5

calculate the product

solution

-360

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5 0
3 years ago
5/2x+1/4=12 solve for x
aniked [119]

Answer:

4/5 (2x + 5) − 4 =1

4/5(2x +5) = 1 +4

4/5 (2x +5) = 5

2x + 5 = 5 / (4/5)

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2x + 5 = 25/4

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3 years ago
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3 years ago
Maria by 1 and 2/5 pounds of lunch meat for $3.36 how much would 2 3/4 lb of lunch meat cost
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Answer:

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Need help filling in the blanks.. also not sure if the answers i filled in are correct or not.
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Answer:

See below.

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For item 2:  

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Item 3: Net Price Rate =  3247 * 100 / 3820 = 85% (answer).

Item 4 Net Price Rate =  675.11 / * 100 / 987 =  68.4%. (answer).

Item 5 Item's Net Price = 987 * 0.675 = $666.23 (answer).

Item 7 Net price Rate =  2945* 100 / 4750 = 62%. (answer).

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