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3 years ago

Solve pls brainliest

Mathematics

2 answers:

Romashka [77]3 years ago

8 0

Answer: (a) l -7 l + 2 = 9 and (b) l -7 + 2 l = 5

Step-by-step explanation: Have a nice day! :)

just olya [345]3 years ago

3 0

Answer:

a) 9 b) 5

Step-by-step explanation:

Any number between the absolute value symbol is always positive. If there were to be a negative number between the absolute value symbol, the number would become positive.

a) |-7|+2

7+2

b) |-7+2|

|-5|

Hope this helps :)

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Step-by-step explanation:

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3 years ago

Rational number are ___ natural numbers?<br> Always <br> Sometimes<br> Never

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3 years ago

Read 2 more answers

Louis bought a burger and soda for $8. Kate purchased a slice of pizza and soda for $9. Biff purchased a burger, a slice of pizz

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

"Louis bought a burger and soda for $8"

$x+y=8$

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

$y+z=9$

"Biff purchased a burger, a slice of pizza and a soda for $13.50"

$x+y+z=13.50$

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: $x+y+z=13.50$

Keywords: Linear Equations, Variables

Learn more about Linear equations at:

#LearnwithBrainly

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3 years ago

The product of a number and its blank is one

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The product of any number and its reciprocal is ' 1 '.

Call the number ' Q '.
Whatever the number is, its reciprocal is 1/Q .

Their product is
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Step-by-step explanation:

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