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adelina 88 [10]
3 years ago
10

Find all the zeroes of the equation and show your work -3x^4 + 27x^2 + 1200 = 0

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
6 0

Answer:i try checking the internet

Step-by-step explanation:

fgnjjjjjjjjcbkm/gijw'

eofsdkm;grfbkm

Viktor [21]3 years ago
6 0

Answer:

x=−5 or x=5

Step-by-step explanation:

Step 1: Factor left side of equation.

−3(x2+16)(x+5)(x−5)=0

Step 2: Set factors equal to 0.

x2+16=0 or x+5=0 or x−5=0

x=−5 or x=5

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Solve a system of equation by elimination
maks197457 [2]

Answer:

1: (4,1) x=4 y=1

2: (1,10) x=1 y=10

3: (-25/4,5) x= -25/4 y=5

Step-by-step explanation:

It would be a lot to explain all three so if you really need it just ask

6 0
3 years ago
Please help me thank u :)
makkiz [27]

Answer:

The answer would be 17

Step-by-step explanation:

8 0
2 years ago
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2×y to the power2<br> -6×y to the power 2
sertanlavr [38]
2y to the second power= 4y
-6y to the second power= -36y
4 0
3 years ago
The percentage of people under the age of 18 was 23.5% in New York City, 25.8% in Chicago, and 26% in Los Angeles.
Hatshy [7]

Answer:

0.0158 = 1.58% probability that all of them are under 18.

Step-by-step explanation:

Probability of independent events:

If three events, A, B and C are independent, the probability of all happening is the multiplication of the probabilities of each happening, that is:

P(A \cap B \cap C) = P(A)P(B)P(C)

The percentage of people under the age of 18 was 23.5% in New York City, 25.8% in Chicago, and 26% in Los Angeles.

This means that P(A) = 0.235, P(B) = 0.258, P(C) = 0.26

If one person is selected from each city, what is the probability that all of them are under 18?

Since the three people are independent:

P(A \cap B \cap C) = 0.235*0.258*0.26 = 0.0158

0.0158 = 1.58% probability that all of them are under 18.

8 0
3 years ago
Hal forgot the number of people at the basketball game.He does remember that the number had four digits and a 3 in the tens plac
Greeley [361]
There are a lot of numbers you can think of, for example, 1030, or even 9939, but I don't recommend you put that ;)
5 0
3 years ago
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