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4 years ago

3. 8.2(D) Which list shows the numbers in ascending order?

Mathematics

2 answers:

krek1111 [17]4 years ago

7 0

actually none of them since 212 is the biggest number and should be at the end but none of the answers say so

const2013 [10]4 years ago

5 0

Answer:

9/4, 230%, 2.31, 2½, sqrt(8)

Option C

Step-by-step explanation:

sqrt(8), 2½, 2.31, 230%, 9/4

2.8284271247, 2.5, 2.31, 2.3, 2.25

2.25, 2.3, 2.31, 2.5, 2.828..

In ascending order:

9/4, 230%, 2.31, 2½, sqrt(8)

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Live Fund are selling their holding at $5,000 per share. How much would Live Fun receive if they sold half thier holding in Mark

Brums [2.3K]

Live Fund receive $\bold{\$2500 N}$ it they sold half thier holding in Marks Brothers.

<u>Solution:</u>

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To find: Amount that Live Fund will get if they sell half of their holding in Marks Brothers.

Assume the total holdings held by Live Fund in Marks Brothers as N

Therfore, half the number of shares or (half the holdings) of Live Fund will be $\frac{N}{2}$ .

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3 years ago

There is a triangular number that has 55 dots in its shape. Which one is it? Write your answer as a number.

Korvikt [17]

9514 1404 393

Answer:

Step-by-step explanation:

The n-th triangular number is given by ...

t(n) = n(n+1)/2

We went to find n when t(n) = 55.

55 = n(n+1)/2

110 = n(n+1)

Adding 1/4 completes the square.

110.25 = (n +0.5)^2

√110.25 = n+0.5 . . . . . we are interested in the positive value of n

n = 10.5 -0.5 = 10

The triangular number that has 55 dots in its shape is the 10-th number.

<em>Additional comment</em>

Here, we have gone to the trouble to formally complete the square to find the value of n. You may realize that it isn't really necessary to go to that trouble.

A reasonable estimate of the value of n is possible by considering that the product n(n+1) is a little more than n², so the value of n will be a little less than √110 ≈ 10.49. The nearest integer is 10, which is the answer we're looking for.

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Answer:

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B because it is the farthest away from 0.

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