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3 years ago

7

a construction worker needs to pour a rectangular slab 23 ft long, 24 ft wide, and 8 in thick. how many cubic yards does the con

struction worker need?

1 answer:

den301095 [7]3 years ago

3 0

Step-by-step explanation:

Volume = lwh

V = 23 x 24 x 8

V = 4416ft^3

Ft - Yd:

4416ft^3 = 163.5556^3 yd

(I'm not actually sure about this as I don't use the imperial system)

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A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the numbe

ycow [4]

Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

$S_n = \frac{n}{2}(n - 1)$

Step-by-step explanation:

Given

For 5 people

$\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}$

Using the given instance of 5 people, the number of handshakes can be represented as:

$(n - 1) + (n - 2) + (n - 3) + ........ + 3 + 2 + 1 + 0$

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

$S_n = \frac{n}{2}{(T_1 + T_n})$

Where

$T_1 = n - 1$ --- The first term

$T_n = 0$ --- The last term

So:

$S_n = \frac{n}{2}(n - 1 + 0)$

$S_n = \frac{n}{2}(n - 1)$

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2 years ago

Opposite angles in a parallelogram are _____. A. acute B. supplementary C. parallel D. convex E. congruent

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3 years ago

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3 years ago

If x is a positive number greater than 10, what is always true about the solution to the problem to -3 + x ?

alexandr402 [8]

Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

so lets just rewrite it with A=-3 amd B=-2

(-9^4^-9^2^5)^2

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Hope This Helps!!!

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3 years ago