# Posts by Rihanna

Total # Posts: 32

**science**

Torque due to action-reaction force is zero?

**math**

please help

**work like a scientist**

1.A 2.B 3.C 4.D 5.C

**math**

a pit is dug in the shape of a cuboid with dimensions 10m*8m*3m. the earth taken out is spread evenly on a rectangular plot of land with dimensions 40m*30m. what is the increase in the level of the plot.

**•To ; Ms sue or other math helpers**

thank you so much once again :)

**•To ; Ms sue or other math helpers**

oh um can you help me on b please

**•To ; Ms sue or other math helpers**

My answers are at the bootom, please check them at a restaurant the menu included the following choices: coffee..... $3.50 soup of the day....... $5.95 garden salad..... $6.95 catch of the day.... market value cheesecake...... $7.75 a.) sheeyin and kaitlyn each order coffee, ...

**To ; Ms sue or other math helpers**

ok thank you so much :)

**To ; Ms sue or other math helpers**

so the answer for a is 6w-4 and for b its (2w-2)*w or do i need to find the actual answer cause i don't know how to get it

**To ; Ms sue or other math helpers**

A rectangular pool has a length 2m shorter than twice its width. a.) write an expression to determine the pool's perimeter. What is it's perimeter? b.) write an expression to determine the surface area of the pool. What is the surface area?

**Math 1 tiny question**

I posted this question a couple days ago and I also got help but I have one more question , so is the final answer to the question below: 30 downloads would make site A a better deal. No more than 30 and no less or is it equal to 30 and more or equal to 30 and less? What music...

**Math check my answers**

I posted this before can someone please check my answers and help me thanks:) 2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area ...

**Math check please**

2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area is 14.4 and the perimeter is 19.6 is it correct? rectangle 2 : length of 6-p ...

**Math check my answer**

What music plan is a better deal? site A: $29 per month plus .80 cents per download site B: $17 per month plus $1.19 per download write an equation and show how many downloads make site A a better deal. My answer:: .80x + 29 > 1.19x + 17 after all my other work i got x>...

**Math**

What music plan is a better deal? site A: $29 per month plus .80 cents per download site B: $17 per month plus $1.19 per download write an equation and show how many downloads make site A a better deal.

**Earth science**

Earth’s troposphere, hydrosphere, and lithosphere contain relatively large amounts of which element?

**equivalent fractions and the numberline**

Idhddshifhfgfd

**biology**

please help me with these to questions! The trait that viruses share with living things is the ability to a. adapt. b. use food. c. respond. d. reproduce. and Some viruses cause the host cell to reproduce both itself and the virus. Groups of these cells become a. polio. b. ...

**Biology**

The trait that viruses share with living things is the ability to a. adapt. b. use food. c. respond. d. reproduce.

**Biology**

Some viruses cause the host cell to reproduce both itself and the virus. Groups of these cells become a. polio. b. tumors. c. mumps. d. rabies.

**MATH *IMPORTANT**

WHAT IS THE VALUE OF (4 TO THE THRIRD POWER) DIVIDED BY (2 TO THE SECOND POWER)? EXPRESS YOUR ANSWER IN THE FORM OF A(B SQUARED) WHERE A AND B ARE POSITIVE INTEGERS AND A HAS THE LEAST POSSIBLE VALUE.

**4th grade math**

nice chat LOSERS!

**4th grade math**

WAT 44th 4 and 8 and 40 ur all out of ur brain!:)at least i am not!

**4th grade math**

LOL WHAT U TALKIN ABOUT?

**PHYSICS**

How does the magnitude of the electrical force between two charged objects depend on the distance between the charges? I really frustrated right now, and I can't figure out the answer too this question. Help pleeease :)

**algebra**

The area of a rectangular athletic field is represented by the expression 16y^7+32y^5+80y^3 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct units with ...

**MaTh = Algebra = help**

Oh so You have to multiply it by -2 because the first equation also uses -2 and you have to cancel them out that way right? So if its - and + that means you have to add the equations. If its - and - that means you have to subtract and if it's + and + that also means you ...

**MaTh = Algebra = help**

Solve this system of linear equaiton by an algebraic method. So If I had to solve this the elimination method way, how would I do it? x-2y = 10 3x-y = 0

**English**

stupid

**Math**

4.83

**Algebra1A**

$2/5lb

**Algebra1A**

$57 for 6 hours

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