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3 years ago

How do tell whether a ordered pair is a solution of the inequality whose graphic is shown

1 answer:

4 0

When ur looking at the graph of ur inequality, u will see a shaded region.....all the points in the shaded region are ur possible solutions. So when u plot ur ordered pair, if it falls in the shaded region, it is a solution...if it does not fall in the shaded area, it is not a solution.

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Find three ratios that are equivalent to 20:25

V125BC [204]

Answer:

4/5 , 40/50, 80/100

Step-by-step explanation:

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2 years ago

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If f(3) = 9, what is f(1)<br>

Vaselesa [24]

Answer:

Step-by-step explanation:

3*3=9

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2 years ago

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Solve the equation.<br> \qquad r - 14 = 23r−14=23

Nesterboy [21]

Answer: $r=37$

Step-by-step explanation:

For this exercise it is important to remember that:

1. The Addition property of equality states that:

If $a=b$ , then $a+c=b+c$

2. The Subtraction property of equality states the following:

If $a=b$ , then $a-c=b-c$

3. The Division property of equality states that:

If $a=b$ , then $\frac{a}{c}=\frac{b}{c}$

4. The Multiplication property of equality states the following:

If $a=b$ , then $a*c=b*c$

Then, having the following equation given in the exercise:

$r-14=23$

You need to solve for the variable "r" in order to find its value.

In order to solve for "r", you must apply the Addition property of equality adding 14 to both sides of the equation.

Therefore, you get the following solution:

$r-14+(14)=23+(14)\\\\r=37$

8 0

3 years ago

Which of the following equations are

faltersainse [42]

Answer:

A. B. D. NOT C

Step-by-step explanation:

i don't know if you wrote anything wrong but this is correct if you are correct

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3 years ago

laura received a $3 discount on a dress that she bought from a store that was having a sale of 15% off any item the equation giv

gregori [183]

The original cost of the dress was $20.

In order to find this, you need to divide the amount of the discount by the percentage of the discount. This will give you the whole number of the cost.

Discount/Percentage = Cost

$3/15% = Cost

$20 = Cost

3 0

3 years ago