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Sunny_sXe [5.5K]
3 years ago
14

What are the solutions to the expression x^2-8x=24

Mathematics
1 answer:
labwork [276]3 years ago
6 0

Answer: x= 2(2+sqrt(10)) , x=2(2-sqrt(10)

Step-by-step explanation:

x^2-8x=24 <- subtract 24 from both sides

x^2-8x-24 <- take quadratic formulat (-2+/- Sqrt(b^2 - 4ac)/2a

-(-8) +/- sqrt((-8)^2 - 4(1*-24) all over (2*1) <- simplify

(-(-8) +/- 4sqrt(10) )/2 <- sepereate

(-(-8) +/4sqrt(10) )/2 ,  (-(-8) - 4sqrt(10) )/2 <- simplify

2(2+sqrt(10)) , 2(2-sqrt(10) =x

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8 0
3 years ago
The base and height of a triangle are 9 yards and 10 yards respectively. Find the area of the triangle.
Lisa [10]

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3 years ago
If h = 12 and g = 4, which of the following has a value of 3?
tigry1 [53]

Answer: i think its g+1



Step-by-step explanation: Okay so since the values are given to you all you have to do is substitute. 

12-(4*12) divided by (3*4)+1

12-48 divided by 12+1   ( I did the multiplication first because it comes first in the order of operations.)

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5 0
3 years ago
Read 2 more answers
Someone help
photoshop1234 [79]
<h3>Answer: D) The data repeats every 4 minutes</h3>

Explanation:

The period of a function measures how long a cycle takes. Think of tides on a beach. There's a regular pattern that can be predicted whether its high tide or low tide. Time is often the critical component with the period. Since choice D mentions time and the key term "repeat", this is why it's the answer.

The other values, while useful elsewhere, aren't going to tell us anything about the period. The initial value being 5 doesn't tell us when y = 5 shows up again, and if the function is repeating itself at this point or not. So info about choice A is not sufficient to determine the period. The same goes for choices B and C as well.

5 0
3 years ago
. In the equation x/ 35 = 7, what is the value of x? A. 5 B. 7 End of exam C. 245 D. 35
ki77a [65]
I had this question on an exam I took a few days ago. The answer is C. 245.
I think you have to multiply 35 by both sides, cancel the 35 with the 35 on the left to leave only x, and multiply 7 by 35 which = 245
4 0
3 years ago
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