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3 years ago

9

Find the distance between (-1,4) and (5,7).

1 answer:

Alina [70]3 years ago

6 0

Answer:

(2, 5.5)

Step-by-step explanation:

Use the midpoint formula.

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The area of a square room is 16x^2+72x+81. what is the length of one side of the room

maxonik [38]

To find this you know that the A of a square = s^2

So the length of one side equals $s = \sqrt{16 x^{2} +72x+81}$

Since this is a perfect square, it would equal $A = (4x+9)^{2}$

And $s = \sqrt{(4x+9)^{2}} = 4x+9$

Also you know it is a perfect square because the first and last terms are perfect squares :) :D

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2 years ago

The sum of two numbers is 361 and the difference between the two number is 173 what are the two numbers

melamori03 [73]

The answer is attached

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3 years ago

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An electronics store has portable CD players on sale for $54.95. If the local sales tax is 6.5%, what is the total cost of a CD

borishaifa [10]

Answer:

Total cost of CD player = $58.52

Step-by-step explanation:

Given data:

Price of CD player on sale= $54.95

Local sales tax = 6.5%

Total cost of CD player = ?

Solution:

Local sales tax= (6.5 * 54.95)/100 = $3.57

Total cost of CD player = Price of CD player on sale + Local sales tax

= $54.95 + $3.57

Total cost of CD player = $58.52

7 0

3 years ago

Parabola A can be represented using the equation (x + 3)2 = y, while Line B can be represented using the equation y = mx + 9. Is

KiRa [710]

The 1st choice is the correct one.

Isabel is correct because the y-intercept of Line B is (0, 9) and the value of y when x = 0 in Parabola A is 9.

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2 years ago

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If Marcus has 103 bars of candy and he ate 20 and gave 20 to his mom and 25 to his sister and 10 to his dad, how may does he hav

Ivan

Answer:28

Step-by-step explanation:103-20-20-25-10,will be equaled to (28)

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2 years ago