Friday

April 18, 2014

April 18, 2014

Total # Posts: 20

**Ap Chemistry**

a mixture contains only sodium chloride and potassium chloride. a .1586-g sample of the mixture was dissolved in water. it took 22.90 mL of 0.1000 M AgNO3 to completely precipitate all the chloride present. what is the composition(by Mass percent) of the mixture?

**English **

What's a good introduction for an essay about Pressure that Working College Students Face? please help (:

**PHYSICS**

I need to answer: What is the centripetal acceleration of the ball at 7.80 rev/s? and What is the centripetal acceleration at 6.51 rev/s?

**PHYSICS**

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 7.80 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the ball only 6.51 rev/s

**algebra**

Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?

**Math**

One way to write 99 using four nines is (9x9) + (9+9). Now write 100 using four nines.

**math**

I think it is nine minutes.

**geometry**

Suppose right triangle ABC has one acute angle 47º. Suppose also that right triangle DEF has an acute angle 43º. How are triangles ABC and DEF related?

**mathematics**

what is the total of the non-equal sides of the smaller and larger triangle.

**english (poetry)**

i have to write an acrostic poem on the word black...help me please and thank you.

**Economics**

1. Decision making: which factor of production is represented by each of the following: a. An office building b. An assembly line worker c. A student

**4th grade**

HOW DO I WRITE THE WORD FORM AND TELL THE VALUE OF THE UNDERLINE DIGIT OF EACH NUMBER 4,(6)00,028

**Algebra**

Use factoring to solve the equation: x^2+13x+36+0

**spanish**

The first question is indeed D. The answer to the second one is right also, A. Los idiomas

**Algebra**

Thanks!!

**Algebra**

27.9^1/4, round to the nearest hundredth

**math-3rd grade**

give three numbers that make each statement true. 1.- 12+(?) is greater than 20.

**math/prime factorization**

what is the prime factorazation for these numbers 36,180,525,165

**spanish**

lilian no - puede- llegar a la fiesta

**Algebra**

i need help on this promblem. I'm supposed to simplfy the expression. then justify each step with an operation or property. the problem is 5(x+3)-7x

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