# Posts by selma

Total # Posts: 16

**history**

"Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction." - The Thirteenth Amendment to the United States ...

**History**

it's D

**math**

how many natural numbers have 20 as their digit's quotient and 11 as their digit's number??

**computer**

Mention two instructional materials that can be prepared using a Microsoft word?

**computer**

how can you use painting and drawing to make the leaners better understand mathematics?

**MATH**

Where are the functions f1(x)=|sin(x)| and f2(x) = sin(|x|) differentiable? Use n as an arbitrary integer constant.) f1(x) = |sin(x)| is differentiable for all x ≠______________ f2(x) = sin(|x|) is differentiable for all x ≠______________ No one has answered

**Information Technology**

explain how facebook has used two (2) design elements to enhance its appearance and Justify your response in terms of either efficiency (cost, time or effort) or effectiveness (quality of output, accuracy, presentation and comprehensiveness).

**3rd grade math (not algebra!)**

from the information above: I blue = yellow + 4 II yellow = green - 2 OR yellow +2 = green and we know that III yellow + blue + green = 18 now insert upper expressions into the III equation: yellow + (yellow +4) + (yellow +2) = 18 3 yellow + 6 = 18 --> yellow = 4 insert 4 ...

**Physics**

A voltmeter of internal resistance of 5000 Ω is connected across the poles of a battery of internal resistance 0.20 Ω. The voltmeter reads 1.4993 volts. What is the actual zero-current emf of the battery? Would this formula be I = V/(r+R) = 1.4993/(5000+0.20)?

**Physics**

A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this current will flow in the iron? What ...

**math**

Write the ratio of 4 1/3 to 6 in simplest form.

**math**

solve for unknown 8 over 52= x over 39

**math**

solve for the unknown 2/3 over 10=1.8 over x

**math**

Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32.

**math**

Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32.

**Trig**

Solev the equation for t if 0 is less than or eual to t which is less than 2 pi 7sin + radical3 = 5 sin t

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