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Lyrx [107]
3 years ago
12

Please help I'm extreamly trash alright last one

Mathematics
1 answer:
sattari [20]3 years ago
4 0

Answer:

9.43

Step-by-step explanation:

square root of 5^2 + 8^2 is 9.43398113206. you can use the pythagorean theorem to find this. google has a free pythagorean theorem calculator for future reference.

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Which of these is not a characteristic of a perpendicular bisector?
Arte-miy333 [17]

Answer:

The perpendicular bisector meets any line at an angle which is not 90°

Step-by-step explanation:

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7 0
3 years ago
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Solve 2x2 + 5x = 12
Delvig [45]

Answer:

A

Step-by-step explanation:

2x² + 5x = 12

2x² + 5x - 12 = 0

x² + 5x - 24 = 0

factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24. the only pair that adds to 5 is 8 and 3

2x² - 3x + 8x - 12 = 0

split the equation and factor

2x² - 3x = 0 ||| 8x - 12 = 0

x(2x - 3) ||| 4(2x - 3)

therefore the pair is (2x - 3)(x + 4)

2x - 3 = 0

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or

x + 4 = 0

x = -4

3 0
2 years ago
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What is the complete square of x^2-8x-1=8
Veronika [31]

Answer:

x=9,-1

Step-by-step explanation:

3 0
2 years ago
If Isaac has 21 green marbles and 7 blue marbles and wants to make equal groups with none left over, what is the greatest number
Rufina [12.5K]
The answer is 4 groups because 21+7=28,28÷4=7,and 7×4=28
5 0
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If you buy a bat and ball for $1.10 and the bat is $1 more than the ball most people would answer that the ball costs 10c. Howev
Marina CMI [18]

Answer: the right cost is $1.05 for a bat and 0.5c for a ball.


Step-by-step explanation:

Let's imagine x in the price of bat and y is the price of the ball

From the infor we know that:

x + y= 1.10 (dollars)

and since the bat is $1 more than the ball we can ensure that:

x - 1 = y

Now we can replace y as follow:

x + x - 1 = 1.10

2x - 1 = 1.10

2x = 1.10 + 1

2x = 2.10

x= 2.10/2= 1.05 (dollars)


5 0
3 years ago
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