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2 years ago

(8 × 7 − 3) × 7 Match each expression to another expression with the same value

Mathematics

2 answers:

kodGreya [7K]2 years ago

8 0

Hey there!

(8 * 7 - 3) * 7

= 8(7)(7) - 3(7) ⬅️ POSSIBLY BE AN EQUIVALENT EXPRESSION

= 56(7) - 3(7)

= 392 - 3(7)

= 392 - 21

= 371 ⬅️ OVERALL ANSWER/EQUATION ANSWER

Most likely your answer should be:

• 8(7)(7) - 3(7)

• 56(7) - 3(7)

• 392 - 3(7)

• 392 - 21

EITHER OF THESE SHOULD WORK ⬆️

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

faust18 [17]2 years ago

6 0

(56-7)*7 =49*7=343 this answer

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Answer:

x= -10/3

y= -8/9

Step-by-step explanation:

2x+1=3(y−1);6(2y−1)=5x

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2x+1=3y−3;12y−6=5x

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2x+1=3y−3

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x=32y−2

Step: Substitute32y−2forxin12y−6=5x:

12y−6=5x

12y−6=5(32y−2)

12y−6=152y−10(Simplify both sides of the equation)

12y−6+−152y=152y−10+−152y(Add (-15)/2y to both sides)

92y−6=−10

92y−6+6=−10+6(Add 6 to both sides)

92y=−4

92y92=−492(Divide both sides by 9/2)

y=−89

Step: Substitute−89foryinx=32y−2:

x=32y−2

x=32(−89)−2

x=−103(Simplify both sides of the equation)

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2 years ago

Which fraction is between 2/3 and 6/7

MrRa [10]

Answer:

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Step-by-step explanation:

Are there choices?

There is an infinite number of numbers between any two numbers.

2/3 = 14/21

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1 year ago

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Arte-miy333 [17]

The equation for Louis's purchase is: $x+y=8$

The equation for Kate's purchase is: $y+z=9$

The equation for Biff's purchase is: $x+y+z=13.50$

Step-by-step explanation:

First of all we have to define variables for each item involved in the purchase

Let x represent burger

y represent soda

z be the slice of pizza

Then

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"Kate purchased a slice of pizza and soda for $9"

$y+z=9$

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The equation for Louis's purchase is: $x+y=8$

The equation for Kate's purchase is: $y+z=9$

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Keywords: Linear Equations, Variables

Learn more about Linear equations at:

#LearnwithBrainly

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