3 years ago

Can anyone help me with this please. x^2– 5x – 24 = 0

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

8 0

X = -3, 8
hope this helps

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Answer:

Step-by-step explanation:

60 + 56 + x = 180

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3 years ago

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2 3/4+1 1/5 i need this for math, im kinda stupid, please dont anwser if you dont know its for a test XD

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Answer:

3 19/20

Step-by-step explanation:

So...

The first step is to find a common denominator between the 2. The smallest common denominator is 20. So you would do 3/4 times 5/5 which is 15/20. (2 15/20)

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2 years ago

The high school leadership team is having a car wash. They charge $5.50 for large cars and $4.00 for small cars . They had a suc

11Alexandr11 [23.1K]

Answer: 56 large cars and 86 small cars.

Step-by-step explanation:

Let's call:

$l$ : the number of large cars.

$s$ : the number of small cars.

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$\left \{ {{l+s=142} \atop {5.50l+4.0s=652.50}} \right.$

You can use the Elimination Method:

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$\left \{ {{-4.0l-4.0s=-568} \atop {5.50l+4.0s=652.50}} \right.\\--------\\1.5l=84.5$

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3 years ago

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