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3 years ago

What are the solutions of the equation x^4-5x^2-36=0? Use factoring to solve

Mathematics

1 answer:

Murljashka [212]3 years ago

3 0

X = -3, 3, 2i, -2i
Hope this helps! :)

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Logan collect pledges for the charity walkathon. He will receive total contributions of $60 plus $20 for every mile that he walk

Afina-wow [57]

So 60 + 20 is 80, and that is $80 a mile. 80 x 3 = 240, + 80 = 320. and then we could say 2/6 of 80 is about 28, right? so i suppose 4 2/6? sorry if it's wrong, just trying to help to the best of my ability

4 0

3 years ago

Jones Elementary is having a car wash to raise money for a community horse trail. Each car wash ticket costs $8.Tiara says the s

Debora [2.8K]

The answer is true because 8 times 125 (8x125) is equal to 1000 therefore Tiara is correct

7 0

3 years ago

Any help plzzz I’ll appreciate it so much thank u

docker41 [41]

9514 1404 393

Answer:

5√5

Step-by-step explanation:

Use the distance formula:

d = √((x2 -x1)² +(y2 -y1)²)

d = √((-7-(-2))² +(-7-3)²) = √((-5)² +(-10)²) = √(25 +100)

d = √125 = √(25·5)

d = 5√5 . . . . distance between the points

3 0

2 years ago

A test to determine whether a certain antibody is present is 99.1% effective. This means that the test will accurately come bac

avanturin [10]

Answer:

The probability that all the six people will test negative for the antibody is 0.9472.

The probability that the test comes back positive for at least one of the six people is 0.0528

Step-by-step explanation:

Consider the provided information.

probability that antibody is present will be effective is 99.1% and not present is 99.1% of the time.

Part (A)What is the probability that the test comes back negative for all six people? 

Let P(X)= P(Antibody not present)

We want test comes back negative for all six that means antibody is present for all six. Thus X=0

$P(X=0)=0.991\times0.991\times0.991\times0.991\times0.991\times0.991\\P(X=0)=0.9472$

The probability that all the six people will test negative for the antibody is 0.9472.

Part (B) What is the probability that the test comes back positive for at least one of the six people?

$P(X \geq1)=1-P(X=0)$

$P(X \geq1) = 1-0.9472$

$P(X \geq1) = 0.0528$

Hence, the probability that the test comes back positive for at least one of the six people is 0.0528

7 0

3 years ago

Arrange the following numbers in ascending order : <br><br> 4³, 7² , -3⁴ , 9 , 2⁵<br>

Grace [21]

Answer:

A is the correct one

Step-by-step explanation:

4 0

3 years ago