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arlik [135]
3 years ago
7

3х - 2y = 12 x + y = 4

Mathematics
1 answer:
EastWind [94]3 years ago
5 0
4,0


that is the ordered pair of the solution:)
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suppose demand is given by P-120-5Q if the price drops from 80 per unit to 60 what is the change in consumer surplus
ANEK [815]

Answer:

4

Step-by-step explanation:

p=120 -5Q

when p = 80

80 = 120 -5Q

Q=8

and when p= 60

60 = 120 -5Q

Q=12

so, change in consumer surplus = 12-8

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4 0
3 years ago
A flowerbed is to be 3m longer than its width.the flowerbed will have an area of 70m²​
melomori [17]
ANSWER
Yes, it is a quadratic equation which is x² + 3x - 70 = 0

SOLUTION

Area = Length × Width
Let x be the Length, L = x
Length is 3 cm longer than its width, thus, W = x + 3
The Area is equal to 70m², thus, A = 70m²

In Mathematical representation,
A = L × W
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70 = x(x) + x(3)
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0 = x² + 3x - 70
4 0
3 years ago
Workers are using a nuke to carry equipment to work site. A mule can carry one bag of gravel that weighs 13 kilograms and some w
Nat2105 [25]
The mule can carry approximately 3 wooden posts.
Because we know that a mule can carry ≈13kgs and each pole is 4.5 kg, so we do:

13/4.5≈ 2.88888889...≈ 3 wooden posts.
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3 years ago
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icang [17]

Answer:

4 i hope that helps

5 0
3 years ago
Someone please help me 3#
tensa zangetsu [6.8K]

Answer:

e

Step-by-step explanation:

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