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Any recommendations for first telescope?

Science & Mathematics by Anonymous 2018-09-18 10:50:45

Social Science

Any recommendations for first telescope?

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Ok so, I finally got a chance to buy myself a telescope I wanted since I was a kid, but I can't really decide what telescope to get. I don't want anything fancy and big - a simple travelscope would be enought. So I'd like to have some ideas what is good to get. My budget is 100-250$. I know it's...

Can someone help me with this math problem?

Science & Mathematics by Anonymous 2018-09-18 10:11:29

Social Science

Can someone help me with this math problem?

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Can someone help me with this math problem? I can t figure it out. Thanks! The average attendance of a certain fitness class that meets daily for the first 4 days are given: 4, 10, 16 , and 22. Write a formula for the general a(subscript)n which models this pattern.

How do I separate a mixture of gravel and raisins w/o using mechanical means?

Science & Mathematics by Anonymous 2018-09-18 09:31:17

Social Science

How do I separate a mixture of gravel and raisins w/o using mechanical means?

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Without sorting the mixture by hand or other mechanical means, describe a method to separate a mixture of raisins and pea-gravel (small rocks with the same coloring and size as the raisins). I thought of adding water to separate the mixture, but then it came to my realization that both gravel and raisins sink in...

Help me with geometry please?

Science & Mathematics by Anonymous 2018-09-18 08:53:24

Social Science

Help me with geometry please?

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laws of sines and cosines is really hard please help me with them 1-2) in triangle ABC, measure of angle A=40 degrees, measure of angle B=80 degrees, measure of angle C=60 degrees, and side AB=12. find sides AC and BC. 3-4) given a=12, b=8, c=15, and measure of angle A=30, find measure of angle B and measure of...

Maths Help - Sine & Cosine Rules?

Science & Mathematics by Anonymous 2018-09-18 08:15:12

Social Science

Maths Help - Sine & Cosine Rules?

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A crank mechanism of a petrol engine is shown below. Arm OA is 10.0cm long and rotates clockwise about O. The connecting rod AB is 30.0cm long and end B is constrained to move horizontally For the position shown in the diagram determine the angle between the connecting rod AB and the horizontal length of OB