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Zielflug [23.3K]
3 years ago
15

What is the vaule of -2 1/6 - 1 1/4 + 1 3/4? A. -1 2/3 B. -1 1/3 C. 2 1/3 D. 2 2/3

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
8 0

Answer: A. -1 2/3

-2 1/6 - 1 1/4 + 1 3/4 (convert from mixed numbers to improper fractions)

= -13/6 - 5/4 + 7/4 (multiply to have the same LCD)

= -26/12 - 15/12 + 21/12

= -20/12 (convert back to a mixed number)

= -1 8/12 (simplify the mixed number)

= -1 2/3

riadik2000 [5.3K]3 years ago
6 0

Answer: A. -1 2/3

Step-by-step explanation:

-2 1/6 - 1 1/4 + 1 3/4 = -1 8/12 = -1 2/3

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A Store is having two sales on popcorn. The original price of the popcorn is $10 for 10 oz. Sale A offers you 33% more popcorn f
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Answer:

  33% off is the better deal

Step-by-step explanation:

1.33 times as much popcorn for the same price is equivalent to 1/1.33 ≈ 0.75 times the price for the original amount of popcorn. That price is equivalent to a sale of 1 - 0.75 = 0.25 = 25% off.

The sale price of 33% off is a better deal (if you don't want the extra popcorn).

7 0
4 years ago
if point A(-6,-2) of a trapezoid is moved through the translation (x+1, y-3) what will coordinates of A1 be?
love history [14]

Answer:

A1(-5,-5)

Step-by-step explanation:

given : A(-6,-2)

simply apply the translation to the coordinates above

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7 0
4 years ago
Identify the zeros for the function and sketch a graph. y=x(x-2)(x+3)
damaskus [11]

The product is equal to zero if one of the factors is equal to zero.

Therefore:

y=x(x-2)(x+3)\\\\x(x-2)(x+3)=0\iff x=0\ \vee\ x-2=0\ \vee\ x+3=0\\\\\boxed{x=0\ \vee\ x=2\ \vee\ x=-3}

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4 years ago
If 20 workers can dig a farm in 240 hours how many workers can dig the same farm in 60 hours​
IRISSAK [1]

Answer:

5 workers

Step-by-step explanation:

Find how many hours 1 worker can dig 240 / 20 = 12

60 hours / 12 hours = 5 workers.

It takes 5 workers to dig for 60 hours when 20 workers dig for 240 hours.

8 0
3 years ago
Read 2 more answers
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