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3 years ago

Find the difference using suitable identity (10.3 × 9.7) – (10.7 × 9.3)

Mathematics

1 answer:

finlep [7]3 years ago

5 0

Answer:

$\small\textrm\red{-------------------------------------------------------------------}$ $\small\textrm\blue{-------------------------------------------------------------------}$ $\small\textrm\green{-------------------------------------------------------------------}$ $\small\textrm\blue{-------------------------------------------------------------------}$ mag sayaw ka nalang

$\small\textrm\green{-------------------------------------------------------------------}$ $\small\textrm\blue{-------------------------------------------------------------------}$ $\small\textrm\blue{-------------------------------------------------------------------}$ $\small\textrm\red{-------------------------------------------------------------------}$

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yanalaym [24]

Answer:

System is given below

Step-by-step explanation:

Let (applicable to all three lines below)
Hard candy = x kg with price $1.60/kg
Gummy worms = y kg with price $2.20/kg
Total weight = 50 kg with mixed price $1.75/kg

Required equations:

x + y = 50 total weight
1.60x + 2.20y = 50*1.75 total price

=========================================

Note. It says don't solve but the solution below for those who is interested to know the answer.

Simplify the second equation and solve by substitution x = 50 - y:

1.6(50 - y) + 2.2y = 87.5
80 - 1.6y +2.2y = 87.5
0.6y = 7.5
y = 7.5/0.6
y = 12.5

Find the value of x:

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2 years ago

1) A water park charges $5 for entry into the park and an additional $2 for each of the big waterslides. Steven spent $17 on his

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1.) The answer is A. 5+2x = 17. The x in the equation signifies the number of times Steven went to the big slides. The 5 represents the fixed cost of the slide. The total expenditure in the water park is 17 dollars, and the 2 represents the cost of using 1 big slide.

2.) The answer is still letter A. 5 +2x =17.

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3 years ago