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madam [21]
3 years ago
9

Can someone help with this problem on literal equations to get variable A by itself? Will give lots of points

Mathematics
1 answer:
-BARSIC- [3]3 years ago
8 0

Answer:

Step-by-step explanation:

Part A

xf = xo + vo* t + 1/2 a*t^2                    Subtract xo

xf - xo = 0*t + 1/2 a*t^2                        multiply by 2

2(xf - xo) = at^2                                    divide by t^2

2(xf - xo ) / t^2 = a

Part B

Givens

xo =0

vo = 0

a = 10  m/s^2

xf = 120 m

Solution

xf = xo + vo* t + 1/2 a*t^2              Substitute the givens

120 = 0 + 0 + 1/2 * 10 * t^2            Multiply by 2

120*2 = 10* t^2                  

240 = 10*t^2                                  Divide by 10

240/10  = t^2

24 = t^2                                          take the square root of both sides.

√24 = √t^2

t = √24

t = √(2 * 2 * 2 * 3)

t = 2√6

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3 years ago
Which are correct statements regarding proofs? Select three options.
kompoz [17]

Answer:

In a paragraph proof, statements and their justifications are written in sentences in a logical order.

A two-column proof consists of a list statements and the reasons the statements are true.

A paragraph proof is a two-column proof in sentence form.

Step-by-step explanation:

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A paragraph proof is only a two-column proof written in sentences. However, since it is easier to leave steps out when writing a paragraph proof.

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8 0
3 years ago
3. Bob has 8 pieces of square index cards that each measures 8 inches per side. Using a pair of scissors, he cuts each piece in
const2013 [10]

The number of pieces of card stock which would result upon the process repetition is; 256 pieces.

<h3>What is the number of card stock pieces resulting from the cutting process?</h3>

According to the task content, it follows that since, there are 8 pieces of the 8 inches per side cards initially, the resulting number of cards after carrying out the process of cutting cards into half five, 5 times is;

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The size of each of the cards in discuss provided that all cuts will be made along and not across the longer edge is; 8 by 1/4 inches.

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1 year ago
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8 0
3 years ago
Scale:6 cm =30m drawing length 15 cm actual length
Oxana [17]
6 cm = 30m

find out how much meters 1 cm is equal too. Divide 6 from both sides

6cm/6 = 30,=m/6

cm = 30/6

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So for every centimeter, it equals 5 meters

You have 15 centimeter, so multiply 5 to it

15 x 5 = 75

75 meters is your final answer

hope this helps
7 0
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