# Posts by Den

Total # Posts: 29

**Statistics**

10 A color candy was chosen randomly out of a bag. Below are the results: Color Probability Blue 0.30 Red 0.10 Green 0.15 Yellow 0.20 Orange ??? a. What is the probability of choosing a yellow candy? b. What is the probability that the candy is blue, red, or green? c. What is ...

**Math**

At Smith's club the pay-per-visit fee is $5 per day. would Smith save money paying per visit? Assume that a month has 4.3 weeks. what percentage of his monthly $90 fee would he spend if he paid on a per-visit basis? 2. IF Smith goes to the gym three times per week, what ...

**geologic time**

lead

**Chem**

Balance the chemical equation for the important industrial process: C2H4 + O2 + HCl → C2H4Cl2 + H2O. Given 610.0 kg of hydrochloric acid, calculate how many kg of C2H4Cl2 can be produced.

**CHEM HELP RIGHT NOW PLEASE**

n the titration of 25.00 ml of a water sample, it took 20.590 ml of 4.995x10-3 M EDTA solution to reach the endpoint. Complete the questions below: Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant figures) 0....

**chem help w/ Lab**

Weight of the mustard package Sample: 3.02 (g) Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909 Weight of NaOH Solution Delivered (g) : .354 .304 .269 Concentration of NaOH : 7.48e-3 (...

**CHEM LAB Help**

After getting this, in order to convert the three masses into moles, what do I divide each mass by

**CHEM LAB Help**

mustard solution, how would i calculate the mass of naOH used?

**CHEM LAB Help**

Forget it i got the answer

**CHEM LAB Help**

Weight of the mustard package Sample: 3.02 (g) Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909 Weight of NaOH Solution Delivered (g) : .354 .304 .269 Concentration of NaOH : 7.48e-3...

**Chem**

Arrange the following atoms in order of increasing size from smallest to largest. Phosphorus Fluorine Chlorine Sulfur

**Psychological Statistics**

Simply reporting measures of central tendency or measures of variability will not tell the whole story. Using the following information, what else does a psychologist need to know or think about when interpreting this information? A school psychologist decided to separate some...

**Int algebra**

Convert the system of equations into a matrix equation. x+4y-z=7 x+y+z=2 -2x-2y+2z=-8

**physics**

60 mph, i think. i first found the radius (since it's the same for both) then calculated the speed for curve b

**algebra**

A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket, and then Beth takes a piece at random. What is the probability that Jonas will get an orange and Beth will get an apple?

**9gr**

-72 ?????

**9gr**

3 - 15 × 5 a. 90 b. 0 c. –72 d. 78

**science**

Which shows the expression below simplified? (3.6 × 10^15) + (1.8 × 10^12) a. 3.60018 × 10^15 b. 3.902 × 10^14 c. 3.618 × 10^15 d. 3.6018 × 10^15

**science**

Sorry! Which shows the expression below simplified? (3.6 × 1015) + (1.8 × 1012) a. 3.60018 × 10^15 b. 3.902 × 10^14 c. 3.618 × 10^15 d. 3.6018 × 10^15

**science**

Which shows the expression below simplified? (3.6 × 1015) + (1.8 × 1012) a. 3.60018 × 1015 b. 3.902 × 1014 c. 3.618 × 1015 d. 3.6018 × 1015

**9gr**

Evaluate each expression. 7 + (3 + 12 / 2)^2 a. 16 b. 88 c. 46 d. 256 I think 88 ????????

**9gr**

I don't understand.????

**9th**

15 ITS RIGHT?

**9th**

Evaluate each expression. 9 ¸ 3 + 3 ´ 4 a. 24 b. 15 c. 17 d. 6 MY ANSWER 15??????

**9th**

I DON'T KNOW. b.???

**9th**

Define a variable and write an expression for the phrase. the quotient of 6 times a number and 16 a.(16x) / 6 b.(6x) / 16 c.96x d.x / 96

**10th grade**

Ok!Thanks

**10th grade**

Write each power as a product of the same factor. 5^4 a. 5 × 5 × 5 × 5 b. 4 × 4 × 4 × 4 × 4 c. 5 × 5 × 5 × 5 × 5 d. 5 × 5 × 5 My answer c.

**physics**

299.49 J

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