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kompoz [17]
3 years ago
14

Please HELLPPPP!!!!!!!

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

A

Step-by-step explanation:

A integer is a number that does not have a decimal, while a whole number is a number that is only numbers such as 1,2,3...  not including negative numbers.

Inessa05 [86]3 years ago
3 0

Answer:

Step-by-step explanation:

A

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NO LINKS!!! Part 2: Find the Lateral Area, Total Surface Area, and Volume. Round your answer to two decimal places.​
slava [35]

Answer:

<h3><u>Question 7</u></h3>

<u>Lateral Surface Area</u>

The bases of a triangular prism are the triangles.

Therefore, the Lateral Surface Area (L.A.) is the total surface area excluding the areas of the triangles (bases).

\implies \sf L.A.=2(10 \times 6)+(3 \times 6)=138\:\:m^2

<u>Total Surface Area</u>

Area of the isosceles triangle:

\implies \sf A=\dfrac{1}{2}\times base \times height=\dfrac{1}{2}\cdot3 \cdot \sqrt{10^2-1.5^2}=\dfrac{3\sqrt{391}}{4}\:m^2

Total surface area:

\implies \sf T.A.=2\:bases+L.A.=2\left(\dfrac{3\sqrt{391}}{4}\right)+138=167.66\:\:m^2\:(2\:d.p.)

<u>Volume</u>

\sf \implies Vol.=area\:of\:base \times height=\left(\dfrac{3\sqrt{391}}{4}\right) \times 6=88.98\:\:m^3\:(2\:d.p.)

<h3><u>Question 8</u></h3>

<u>Lateral Surface Area</u>

The bases of a hexagonal prism are the pentagons.

Therefore, the Lateral Surface Area (L.A.) is the total surface area excluding the areas of the pentagons (bases).

\implies \sf L.A.=5(5 \times 6)=150\:\:cm^2

<u>Total Surface Area</u>

Area of a pentagon:

\sf A=\dfrac{1}{4}\sqrt{5(5+2\sqrt{5})}a^2

where a is the side length.

Therefore:

\implies \sf A=\dfrac{1}{4}\sqrt{5(5+2\sqrt{5})}\cdot 5^2=43.01\:\:cm^2\:(2\:d.p.)

Total surface area:

\sf \implies T.A.=2\:bases+L.A.=2(43.01)+150=236.02\:\:cm^2\:(2\:d.p.)

<u>Volume</u>

\sf \implies Vol.=area\:of\:base \times height=43.011193... \times 6=258.07\:\:cm^3\:(2\:d.p.)

8 0
2 years ago
Suppose there is a simple index of two stocks, stock A and stock B. Stock A opens on Monday with 5000 shares at $2.75 per share.
Yanka [14]

Answer:

Step-by-step explanation:

What is the name of an investment that pools money from many investors in order to acquire a large variety of stocks, bonds, and other investments?

A.

Mutual fund

close

B.

Annuity

C.

Derivative

closeIncorrect

done

Question 2

2 points

What is the name of the computerized system that provides price quotations for various stocks traded on the market?

A.

NYSE

done

B.

Nasdaq

C.

Dow Jones

doneCorrect

done

Question 3

2 points

On a particular day, the Dow Jones had a rate of change of 2.8%. Which of the following statements must also be true?

A.

The Nasdaq decreased.

B.

The S&P 500 increased.

done

C.

The average of the 30 stocks in the Dow Jones increased.

D.

Every stock in the Dow Jones increased.

doneCorrect

done

Question 4

2 points

At the beginning of the day, stock XYZ opened at $3.72. At the end of the day, it closed at $4.05. What is the rate of change of stock XYZ?

A.

9.8%

done

B.

8.9%

C.

4.1%

D.

3.7%

doneCorrect

done

Question 5

2 points

What is the name of the federal agency that regulates the investment industry?

A.

NYSE

done

B.

SEC

C.

S&P 500

doneCorrect

done

Question 6

2 points

At the beginning of the day, the sum of the stocks in the Dow Jones was $10,289.57. At the end of the day, the sum of the stocks in the Dow Jones was $10,124.19. What was the rate of change of the Dow Jones on this particular day?

A.

-1.8%

B.

-1.0%

done

C.

-1.6%

D.

-1.2%

doneCorrect

done

Question 7

2 points

Suppose there is a simple index of three stocks, stock ABC, stock XYZ, and stock QRS. Stock ABC opens on day 1 with 5000 shares at $3.25 per share. Stock XYZ opens on day 1 with 500 shares at $8.25 per share. Stock QRS opens on day 1 with 10,000 shares at $4.75 per share. The price of stock ABC on day 8 begins at $2.80. The price of stock XYZ on day 8 begins at $7.50. Stock QRS opens on day 8 with a price of $4.10 per share. Assume that each stock has the same number of shares that it opened with on day 1. What is the rate of change of this simple index over 1 week?

A.

15.5%

B.

13.4%

C.

-15.5%

done

D.

-13.4%

doneCorrect

done

Question 8

2 points

What is the name of indicator of stock market prices that is the average of 30 selected industrial stocks?

done

A.

Dow Jones

B.

SEC

C.

S&P 500

doneCorrect

done

Question 9

2 points

Suppose there is a simple index of three stocks, stock X, stock Y, and stock Z. Stock X opens the day with 2000 shares at $3.80 per share. Stock Y opens the day with 1000 shares at $3.50 per share. Stock Z opens the day with 3000 shares at $4.30 per share. This simple index rises 5.4% over the course of the day. What is the value of the index at the end of the day? Round your answer to the nearest hundred.

A.

$25,800

B.

$24,600

done

C.

$25,300

D.

$24,000

doneCorrect

close

Question 10

0 points

Suppose there is a simple index of two stocks, stock A and stock B. Stock A opens on Monday with 5000 shares at $2.75 per share. Stock B opens on Monday with 3000 shares at $4.30 per share. Stock A opens on Tuesday at $3.10 per share, and stock B opens on Tuesday at $4.85 per share. Both stocks have the same number of shares that they opened with on Monday. What is the rate of change of this simple index over 1 day?

A.

-11.3%

close

B.

-12.8%

C.

12.8%

D.

11.3%

closeIncorrect

4 0
3 years ago
Read 2 more answers
Need help with this (10 points)
Nikolay [14]

Answer:

5 is greater than equal to 5. So f(5)=5+8=13

Step-by-step explanation:

7 0
3 years ago
Louisa drew a polygon with six sides of equal length. If the perimeter of Louisa's polygon is 95.4 centimeters, how long is each
Agata [3.3K]

Answer:

15.9 centimeters

Step-by-step explanation:

the information we have is:

Perimeter: P=95.4cm

Number of sides of the polygon: n=6

since each side has equal length, we can use the following equation to find the measure of one side of the polygon, the equation for perimeter:

P=nl

where n is the number of sides and l is the length of each side.

So we clear for l and we get:

l=\frac{P}{n}

and subtituting the known values:

l=\frac{95.4cm}{6}\\ l=15.9cm

each side is 15.6 centimeters long

3 0
3 years ago
A. (2 + 4) + 5( − 1) − ( + 7)
Novay_Z [31]
A) -6
b) 49
c)23
d)-47
e)73
f)20
g)131
h)-79
i)48
j) 68
8 0
2 years ago
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