# Posts by Kyra

Total # Posts: 37

**Science**

A gold chain with a mass of 40 grams is placed into a graduated cylinder. The graduated cylinder had a volume of 30 ml before the chain was placed in graduated cylinder. After it was added to the graduated cylinder the volume had risen to 50 ml. What is the density of the chain?

**Math**

IDKIDKIDKIDK

**Pre-Algebra**

You and a friend work at an orange orchard. It takes you 40 minutes to pick all of the oranges from the tree. It takes your friend 60 minutes to complete the same job. How long will it take to pick all of the oranges from an orange tree if you work together? I think it is 50 ...

**Geography**

I don't know or care

**statistics**

Suppose that you are in a class of 28 students and it is assumed that approximately 8% of the population is left-handed. (Give your answers correct to three decimal place. Compute the probability that exactly five students are left-handed

**chemistry**

A gas sample contained in a cylinder equipped with a moveable piston occupied 300.0 mL at a pressure of 2.00 atm. What would be the final pressure if the volume were increased to 500.0 mL at constant temperature? Answer should include units.

**p.e**

Which word best completes the analogy? Health-related fitness is to health as skill-related fitness is to _____. exercise wellness performance fitness

**Math**

208 days

**Language arts**

I have the same problem and don't get it either

**2 s**

thanks

**2 s**

1.6(5.9-4x) - 3.21=31.85 9.44-6.4x-3.21=31.85 -6.4x +6.23=31.85 -6.4x=25.62 x= -4 not sure how to do the -6.4x=25.62

**2 step equations**

0.5(x-8)=-1 0.5x-4=-1 0.5x=-5 x=-10 Is this right?

**Physics**

I have a test tomorrow and I don't really understand this question, I was hoping somebody could help explain it? If 2.75x10¹⁹ electrons pass a point in a circuit in 30s, what is the current?

**Math evaluating expressions with rational numbers**

Ok. So if I had to use the equation to calculate the temperature if it is increased 3 times. I would do -346 + 1 1/2(n)=T -346 + 1 1/2(3)=T -346 + 4 1/2=-341 1/2 Is that right? Thanks

**Math evaluating expressions with rational numbers**

Liquid nitrogen freezes at -346 degrees F and boils -321 F. Janice gradually heats frozen nitrogen 1 1/2 degrees several times over an hour. 1)Define variables for the number of times Janice increases the temperature and the temperature of the liquid nitrogen after the ...

**chemistry**

When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g), if 48.6 g of Mg and 150.0 g of HCl are allowed to react, ...

**Literature-Help me Ms. Sue**

Yes

**Math**

8d+6v=14+5+3=22

**Science**

f science

**Math**

Find the magnitude of the resultant vector of two 5-pound forces that act on an object with an angle of 70° between them.

**Physics**

1.0^3 kgs

**physics**

Let the radius oh a circular segment be 110 m, the mass of the car 1508 kg, and the coefficient of the static friction between the road and tire 0.9. Find the magnitude of the normal force N which the road evers on the car at the optional speed (the spurred at which the ...

**6th grade math**

Answers for i am a-digit number. My hundreds digit is triple my thousands digit. The number formed by my tens and ones digits is triple the number formed by my thousands and hundreds digits. No digit appears more than once. what number am i?

**math**

The base of a parallelogram is 6 times its height if the base is cut in half,the new area is what percentage of the original area?

**math**

The base of a parallelogram is 6 times its height if the base is cut in half,the new area is what percentage of the original area?

**algebra**

what is -3x-y=-15 using the 8x+4y=48 elimination method

**physics Dx**

Compute the de Broglie wavelength associated with a ping-pong ball that is moving with a velocity of 4 meters per second. The mass of the ping-pong ball is 20 grams

**6th grade**

-2

**math; distributive property;perimeter of a triangl**

How do I find the perimeter of a triangle if each side has an expression such as: 3x, and the second side let's say -4y, or the third side is -3x...something like that. Please help. I'm trying to study.

**us government cp**

what is political socialization ?

**accounting**

Your CEO has limited knowledge of management accounting but of course, is vitally interested in forecasting profitability under different scenarios. He asked you, the management accountant, to begin your report by answering a few basic questions he's always wondered about...

**7th grade Geography**

What major cities are located on the Gulf Coast?

**Math**

v2-4v-21/3v2+6v * v2+8v/v2+11+24

**Math**

What is the volume of a square pyramid with the height of 8cm and the base 10cm by 12cm?

**spanish**

En este dia no hay trabajo. Hay muchos desfiles. El dia celebra el encuentro del indigena con el europeo y el africano. Hoy esta mezcla de razas y tradiciones forma la cultura latinoamericana. Can anyone translate for me?

**geography**

what do you see on the surface of the earth?

**math**

8 divided by 3 plus 6= You asked 8 divided by 3 plus 6= (8/3) + 6 = 2(2/3) + 6 or 8/3 + 18/3 = ??/3 I don't understand how to describe pairs of related variables what's the difference between dependent & independent variables I'm not what class your question is ...