3 years ago

How do you calculate elapsed time?

Mathematics

2 answers:

Valentin [98]3 years ago

4 0

First tell me what elapsed time is

algol [13]3 years ago

3 0

You take the time the event eneded and subtract it from the time the event started. Say a concert starts at 9:30 and ends at 11:00, 11:00-9:30= 1:30 the total time elapsed is an hour and a half(1:30).

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Simplify and express with POSITIVE indices a^3*a^-4*a^5

valkas [14]

Answer:

hello :

a^4

Step-by-step explanation:

a^3*a^-4*a^5 = a^(3 - 4 +5) = a^4

5 0

3 years ago

A fifth-degree polynomial equation with rational coefficients has the roots 3, 8i, and 7- radical 5. Which are also roots of the

Sliva [168]

Using complex numbers and radicals, it is found that the correct option is C.

When a complex number is a root of a polynomial function, it's conjugate also has to be.

Hence, since 8i is a root of the function, -8i is also a root.

The same is valid for radicals, as they are in the $\pm$ format.

Since $7 - \sqrt{5}$ is a root, $7 + \sqrt{5}$ is also a root.

Hence, option C is correct.

For more on complex numbers and radicals, you can check brainly.com/question/25173944

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2 years ago

Sarah, a self employed blogger, has adjusted gross earnings of $45,162 this year. Find the amount of social security and Medicar

maksim [4K]

Answer:

Social Security = 5600.09, Medicare = 1309.70

Step-by-step explanation:

8 0

3 years ago

Given that A, O & B lie on a straight line segment, evaluate obtuse ∠AOC.

Evgesh-ka [11]

Answer:

AOC = 124°

Step-by-step explanation:

Angle on a straight line is 180°, therefore, the sum of the three angles shown is 180;

This can be written like so:

(3x + 94) + (x + 30) + (2x - 4) = 180

This equation can be solved to find x:

6x + 120 = 180

6x = 180 - 120

6x = 60

x = 10

AOC = 3(10) + 94

= 30 + 94

= 124

7 0

2 years ago

Read 2 more answers

What is the probability of selecting two cards from a deck of cards with replacement?

motikmotik

Certin, because they can be any two cards.

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3 years ago