2 years ago

(1,3) and (3,4) = what is the answer

Mathematics

1 answer:

labwork [276]2 years ago

4 0

The answer is 1 and 1/12

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Solve the system using combination method to get a solution (x,y) 4x+7y=10 -4x-6y=28

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$\left \{ {{4x+7y=10} \atop {-4x-6y=28}} \right. \\\\add\ those\ two\ equations\\\\
y=38\\\\
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4x=10-7x\ \ \ \ | divide\ by\ 4\\\\
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Read 2 more answers

Henry sells rings for $8 dollars each his expenses are $1.50 per ring plus $91 for supplies how many rings does he need to sell

Ne4ueva [31]

Henry needs to sale 14 rings for his revenue to equal his expenses.

Step-by-step explanation:

Given,

Selling price of ring = $8

Expense on one ring = $1.50

Cost of supplies = $91

Let,

x represent the number of rings.

Expenses = 91+1.50x

Revenue = 8x

Equal expenses means;

Revenue = Expenses

$8x=91+1.50x\\8x-1.50x=91\\6.5x=91$

Dividing both sides by 6.5

$\frac{6.5x}{6.5}=\frac{91}{6.5}\\x=14$

Henry needs to sale 14 rings for his revenue to equal his expenses.

Keywords: revenue, division

Learn more about division at:

#LearnwithBrainly

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2 years ago