2 years ago

Two numbers have a difference of 28. If the sum of the squares of the numbers is

Mathematics

1 answer:

Lynna [10]2 years ago

7 0

Answer:

The two numbers are 182 and 210. I hope this will help you.

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Markuo spends $27 on some plants. Each plant costs $9. How many plants does he buy?

kicyunya [14]

Answer:

He can buy 3 plants

Step-by-step explanation:

$27 is the total amount of money he can spend, if each plant costs $9 the equation would be like this:

9x = 27

Divide 27 by 9 because division is the opposite operation to multiplication

x = 3

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3 years ago

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Is that a divid sign

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3 years ago

How do i solve 6x-2y=2 and 2+6x=y

qaws [65]

In this case there would be no solution bc the x's are the same

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3 years ago

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Hats and mittens are on sale at the store! One woman was able to buy 5 hats and 4 pairs of mittens for $30.

morpeh [17]

The price of one hat is $2 and price of one pair of mittens is $5.

Step-by-step explanation:

Let,

Price of one hat = x

Price of one pair of mittens = y

According to given statement;

5x+4y=30 Eqn 1

2x+3y=19 Eqn 2

Multiplying Eqn 1 by 2

$2(5x+4y=30)\\10x+8y=60\ \ \ \ Eqn\ 3$

Multiplying Eqn 2 by 5

$5(2x+3y=19)\\10x+15y=95\ \ \ \ Eqn\ 4$

Subtracting Eqn 3 from Eqn 4

$(10x+15y)-(10x+8y)=95-60\\10x+15y-10x-8y=35\\7y=35\\$

Dividing both sides by 7

$\frac{7y}{7}=\frac{35}{7}\\y=5$

Putting y=5 in Eqn 1

$5x+4(5)=30\\5x+20=30\\5x=30-20\\5x=10$

Dividing both sides by 5

$\frac{5x}{5}=\frac{10}{2}\\x=2$

The price of one hat is $2 and price of one pair of mittens is $5.

Keywords: linear equation, subtraction

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

What is the slope of a line that passes through (1,5) (4,6)?

Verdich [7]

Answer:

m= 1/3

Step-by-step explanation:

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2 years ago

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