03/25/20

How many moles of CO2 will be produced from 72G of CH4 assuming O2 is available in excess
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08/25/19

I need help with this math scenario

Add a certain professional conference with 130 attendees, 94 of the attendees are doctors and the rest are dentists. If 48 of the attendees are women and 1/4 of the dentists in attendance are... more
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06/06/19

How to find quadrant of triangle in this problem?
The problem is tan(arcsec(-7)). I know I must draw the triangle of arcsec(-7) and find the tangent from there, but I can't remember how to find out which quadrant to draw the triangle in. I know... more
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06/06/19

A bag contains tiles with numbers 1-30 on them.You randomly choose a tile from the bag.what is the probability that you choose an odd number or number that is a multiple of 4?
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05/17/19

Natalie performs a chemistry experiment where she requires the temperature of an ongoing reaction.

Natalie performs a chemistry experiment where she requires the temperature of an ongoing reaction. The solution is 93.5°C after 3 minutes; 90°C After 5 minutes, 84.4°C after 9 minutes; 70.2°C... more
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05/17/19

STATISTICS HOMEWORK
What is the probability of obtaining eleven headsin a row when flipping a​ coin? Interpret this probability.Consider the event of a coin being flipped eleveneleven times. If that event is repeated... more
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04/08/19

Tim answered all the questions on his math test but got 10 answers wrong. He received 4 points for every correct answer, and there was no penalty for wrong answers. His score was 76 points.
How would I set up the equation to find the total number of questions on his math test?
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04/08/19

How many atoms are in 4.8 mol Zn?
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04/07/19

Saturated vs unsaturated fats - Structure in relation to room temperature state?
I'm sure most of us have heard that saturated fats are solid at room temperature, and unsaturated fats are liquid at room temperature. I'm wondering how this relates to their chemical structure --... more
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04/07/19

A homozygous black bird is crossed with a homozygous white bird. The offspring are all bluish -gray . Cross a black bird and a bluish gray bird.
what are the genotype ratios and percent chance of each phenotype?
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04/07/19

the theoretical yield of Cl2 from certain starting amounts of MnO2 and HCl was calculated as 58.95 g and 55.35 g, respectively. if the percentage yield of Cl2 is 75% what is its actual yield?
A. 41.51 gB. 42.31 gC. 43.61 gD. 44.21 g
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04/06/19

Math help with open ended... Tangent/secent lines and circles
The courtyard shown in the figure below has a main walkway that runs north to south along the diameter of the courtyard. A crossing path is perpendicular to the main walkway and is 42 feet in... more
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04/05/19

(a) The perimeter of a rectangular field is 328m. If the length of the field is 95m, what is it's width?
(b) The area of a rectangular painting is 8148 cm^2. If the width of the painting is 84 cm, what is it's length?
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04/05/19

The length of a rectangle is twice its width. If the perimeter of the rectangle is 42 in, find its length and width.
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