# Posts by Larissa

Total # Posts: 24

**math**

Mary has rehearsed her ballet solo for five and a half hours. A week from now, she wants to have rehearsed at least a total of nineteen and a half hours. If she rehearses for the same amount of time each day for the next 7 days, at least how many hours must she rehearse per day?

**Maths**

A manufacturer of cotter pin know that 5% of his product is defective. If he sells cotter pins in boxes of 100 pins find the probability that a) 10 pins will be defective in the box b) Not more than 10 pins are defective in a box

**English**

Does anyone have an old compare and contrast essay i can use?

**Physical Science**

When sodium metal combines with chlorine gas, solid sodium chloride forms. is this a physical or chemical change?

**Business math**

Karen obtained a $26,000 loan at 4.6% compounded semiannually. a-1. What monthly payment will repay the loan in 8 1/2 years? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Monthly payment $ a-2. How much interest will Karen pay over ...

**Math**

Suppose each plain bagel has .53 gram of salt and each sesame bagel has .65 gram. Use a percent to compare the amount of salt in a plain bagel to that in a sesame bagel.

**Science**

How do you make 100 mL of 6 M Sodium Hydroxide given solid NaOH pellets .6/1L = .1L/xmoles

**6th grade geometry**

If the area of a triangle is64 is the base 16 and the height 32?

**Chemistry**

13.9392

**chemistry**

i just took exam. the answer is b.

**Math**

the international links long-distance phone company charges no monthly fee but charges 18 cents per minute for long-distance calls. the world connections long distance company charges $50 per month plus 10 cents per minute for long-distance calls. compare the world connections...

**algebra**

what is the answer a number n times 9 decreased by 11?

**physics**

Two bicyclists, starting at the same place, are riding toward the same campground by different routes. One cyclist rides 1040 m due east and then turns due north and travels another 1540 m before reaching the campground. The second cyclist starts out by heading due north for ...

**Math word problem**

30.6 in

**world history**

PF_Student is right. It's woman.

**Physics**

how fast must a roller coaster be going to get around a vertical loop with a radius of 15 m

**physics**

Several forces act on a particle as shown in the figure below (where F1 = 75.0 N, F2 = 65.0 N, θ1 = 25.0° and θ2 = 74.0°, . If the particle is in translational equilibrium, what are the values of F3 (the magnitude of force 3) and θ3 (the angle that force...

**Basic Skills**

When would be the most appropriate time to use a visual mapping system?

**algebra**

solve: the square root of (x) +2= the square root of (5-x) +3

**algebra**

Solve the equation: _ ___ ãx +2=ã5-x +3

**Chemistry**

If 12.50 grams of Pb(NO3)2 are reacted with 3.18 grams Nacl in a "typical double displacement" reaction, please calculate the following: a) What is the limiting reagent? b) what is the reagent in excess? c) Calculate the mass of the excess. d) Calculate the ...

**Analyzing arguments**

What is the difference between an unsound argument and an invalid argument? http://www.wisegeek.com/in-logic-what-are-sound-and-valid-arguments.htm Let us know if you need further help. =) i want to mary you my phone number is : 8551234 i am a sexy girl and i work in magic night

**Critical thinking**

How can readers distinguish between prejudicial and non-prejudicial use of rhetorical devices? As we've said before, this question has been asked and answered a bunch of times over the past few months. The key in understanding is in making sure you are clear on the ...

**Critical thinking**

What is the role of rhetoric in influencing people's attitudes and beliefs? Check these sites to help you answer your question. (Broken Link Removed) http://en.wikipedia.org/wiki/Rhetoric