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ryzh [129]
3 years ago
13

8. Separate 84 into two parts such that one part will be 12 less than twice the other.

Mathematics
1 answer:
Phoenix [80]3 years ago
5 0

Answer:

x + (2x-12) = 84

x = 32

Step-by-step explanation:

you can say (part 1) + (part 2) = 84

one part is x (a variable) and

other part is 12 less than twice the other: when it says "12 less" is " - 12" and twice of part one 2x, you can say (2x - 12)

(part 1) + (part 2) = 84

x + (2x-12) = 84

3x - 12 = 84

3x = 96

x = 32

(part 1) + (part 2) = 84

(32) + (2*32 - 12) = 84

(32) + (52) = 84

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Rudik [331]

You have 2 shapes, a rectangle and a half circle.

Area of rectangle = 3 x 8 = 24

Area of a half circle = 1/2 x pi x r^2

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Area of half circle = 25.12

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3 years ago
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liq [111]

Answer:

10.25

Step-by-step explanation:

15.45 - 5 1/5 = x

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8 0
3 years ago
Mrs. Yang bought 5 chickens and 3 ducks for $81. A chicken cost $5 more than a duck.
anygoal [31]

The cost of each duck is $ 7 and cost of each chicken is $ 12.

Step-by-step explanation:

Given,

5 chickens and 3 ducks are bought by $ 81

A chicken costs $ 5 more than a duck.

To find the cost of each duck and cost of each chicken.

Let,

The cost of each duck = x

The cost of each chicken = x+5

According to the problem,

5(x+5)+3x = 81

or, 5x+25+3x = 81

or, 8x = 81-25

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Just giving out points for no reason lol
Firlakuza [10]

Answer:

Hey! Thanks a bunch!

Step-by-step explanation:

Hope you have a great day!!

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