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777dan777 [17]
3 years ago
11

Please help me

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0

9514 1404 393

Answer:

  A)  5x+12 = -12x-12

  D)  5x+12 = -5x-12

Step-by-step explanation:

If you subtract the right side expression from both sides, you will get an equation with something equal to zero. If the 'something' has a variable in it, there is exactly one solution.

A: (5x+12) -(-12x-12) = 17x+24 = 0 . . . one solution

B: (5x+12) -(5x-5) = 17 = 0 . . . . no solutions

C: (5x+12)-(5x+12) = 0 = 0 . . . . infinite solutions

D: (5x+12) -(-5x-12) = 10x +24 = 0 . . . one solution

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3 years ago
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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Tony needs to buy some pencils.Brand A has a pack of 28 pencils for 5.29 dollars. Brand B has a pack of 48 pencils for 8.47 doll
Shalnov [3]

Answer: Brand A is the best buy.

Step-by-step explanation:

Brand A has a pack of 28 pencils for 5.29 dollars. This means that the unit cost of one pencil in Brand A would be

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5 0
4 years ago
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3 0
3 years ago
Read 2 more answers
2.) Find the length of the unknown side. Round your answer to the nearest tenth.
Juli2301 [7.4K]

Answer:

14.1

Step-by-step explanation:

Hey There!

This is a right triangle so we have to use the Pythagorean Theorem to solve for the missing side

given the hypotenuse and a leg we do

hypotenuse^2-given.leg^2

15^2-5^2=?^2\\15^2=225\\5^2=25\\225-25=200\\\sqrt{200} =14.1421356

then we just round to the nearest tenth and get that

?=14.1

3 0
3 years ago
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