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3 years ago

What is 7,080,761 rounded to the nearest ten thousand?

Mathematics

1 answer:

prisoha [69]3 years ago

4 0

Answer:

7,080,761 rounded to the nearest ten thousand is 7,081,000

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Problem 2: Toshi estimates that she needs 2 minutes to read one page. How many minutes longer did she spend reading the 304-page

zimovet [89]

I multiply 2 ×304 pages and got 608

6 0

4 years ago

Which of these is a complex number? <br><br> A. <br><br> B. <br><br> C. <br><br> D.

Step2247 [10]

Answer:

option D

$\frac{8}{3} + \sqrt{\frac{-7}{3} }$

Step-by-step explanation:

Given in the question are 4 number

5√1/3 - $\frac{9}{\sqrt{7} }$

2 - $\frac{1}{\sqrt{11} }$

9 + $3\sqrt{\frac{5}{2} }$

$\frac{8}{3} + \sqrt{\frac{-7}{3} }$

A Complex Number is a combination of a Real Number and an Imaginary Number

<h3>Example </h3>

a + ib

where a is real number

b is imaginary number

i is 'lota' which is √-1

<h3>So according to the definition above </h3>

$\frac{8}{3} + \sqrt{\frac{-7}{3} }$ is complex number in which

$\frac{8}{3}$ is real part

$\sqrt{\frac{7}{3} } \sqrt{-1}$ = $\sqrt{\frac{7}{3} } i$ is the imaginary part

7 0

4 years ago

1. Consider the hospital emergency room data in Example 2-8. Let A denote the event that a visit is to hospital 4, and let B den

mario62 [17]

Answer:

A = 0.2264

B =0.9681

C = 0.9891

Step-by-step explanation:

The concept of conditional probability is applied here, probability been the likelihood of an event occurring. two events A and B are said to be mutually exclusive is one event precludes the happening of the other event i.e one is dependent on the other one occurring.

Conditional probability on the other hand is the happening of an event taking into consideration that an event had already happened.

Let P(A) and P(B) be the probability of event and B occurring.

P(A and B) is the probability of both A and B = P(A) x P(B)

P(A or B) = is the probability of either A or b = P(A union B)

as such, P(A union B) = P(A) + P(B) - P(A and B).

The steps and appropriate explanation is as shown in the attached file.

8 0

3 years ago

The width of a rectangle is represented by 5x+2y, and the length is represented by 6y-2x. Write a polynomial that represents the

Alinara [238K]

The polynomial that represents the perimeter of the rectangle is P = 6x + 16y

<h3>What are perimeters?</h3>

The perimeter of a shape is the sum of the side lengths of the shape

For all regular quadrilaterals, you add up the side lengths to determine the perimeter

<h3>How to determine the polynomial that represents the perimeter of the rectangle?</h3>

The given parameters are

Length = 5x + 2y

Width = 6y - 2x

The polynomial that represents the perimeter of the rectangle is represented as

P = 2 * (Length + Width)

Recall that:

Polynomial expressions are mathematical statements that are represented by variables, coefficients and operators

So, we have

P = 2 * (5x + 2y + 6y - 2x)

Evaluate the like terms

So, we have

P = 2 * (3x + 8y )

Open the brackets

P = 6x + 16y

Hence, the required polynomial is P = 6x + 16y