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Phoenix [80]
3 years ago
11

For each ordered pair (x,y) , determine whether it is a solution to the inequality

Mathematics
1 answer:
Leviafan [203]3 years ago
8 0
The answer are below, the work is show step by step.

You might be interested in
Simplify completely x^2+4x-45 / x^2+10x+9
S_A_V [24]

Answer: x - 5/x + 1

Step-by-step explanation:

This algebraic fraction

The task to be performed here is factorisation and simplification. Now going by the question,

x² + 4x - 45/x² + 10x + 9, the factorisation of

x² + 4x - 45 = x² + 9x - 5x - 45

= x(x + 9 ) - 5(x + 9 )

= ( x + 9 )(x - 5 ), don't forget this is the algebraic fraction's Numerator

The second part

x² + 10x + 9 = x² + x + 9x + 9

= x(x + 1) + 9( x + 1 )

= ( x + 9 )( x + 1 ), this is the algebraic denominator.

Now place the second expression which is the denominator under the first expression which is the numerator.

( x + 9 )( x - 5 )/( x + 9 )( x + 1 ).

You can see that, ( x + 9 )/( x + 9 ) divide each other , therefore therr then cancelled and left with

x - 5/x + 1

4 0
3 years ago
Simplifying an algebra -3(y+2)
Brrunno [24]

Answer: -9y


Step-by-step explanation:

Step1: -3 is multiplied by y = -3y

Step 2: -3 multiplied by 2 = -6

Step 3: -3y + -6

6 0
3 years ago
Write a number to represent the quantity.<br> a debt of $300
natka813 [3]

Answer:

A debt means subtracting from the original value so a debt of $300 can be expressed as -300.

5 0
3 years ago
Jeremy bought a 5-kilogram can of peanuts for $4.50. What is the unit price?
Goryan [66]

Answer:

$0.90

Step-by-step explanation:

you would divide it by 5

$4.50/5=$0.90

hope this helps

brainliest?

6 0
3 years ago
Janet is buying a $28 necklace. The store reduces the price by 20% and then applied a $2 off coupon. How much will Janet pay for
Viefleur [7K]

The cost will be <u>$20.40</u>

<h3>EXPLANATION</h3>

10% of $28 = $2.80

10% x 2 = $5.60 = 20%

$5.60 + $2 = $7.60

$28 - $7.60 = <u>$20.40</u>

Hope this helps!

8 0
3 years ago
Read 2 more answers
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