# Posts by Hiba

Total # Posts: 53

**math**

a sum of money is shared among three brother ,eidest recive 7/13 of it the next recive 2/3 of the remainder. if the youngest brother recive s6 find the sum of money shared

**Math**

The sum of two numbers is 80 and if subtracted the results is 5 What are thet two numbers

**Physics**

A pebble is dropped from rest from the top of a tall cliff and falls 4.9meters after 1 second has elapsed. How much further does it drop in the next 2 seconds?

**Science chemistry**

a steel cylinder of oxygen with a volume of 15 L was available for medical purposes. The cylinder pressure decrease from 40.6 to 38.5 atm during which time the temperature remain at 24.0 °C how many moles of oxygen had been removed

**Science**

1.3

**Science**

a steel cylinder of oxygen with a volume of 15 L was available for medical purposes. The cylinder pressure decrease from 40.6 to 38.5 atm during which time the temperature remain at 24.0 °C how many moles of oxygen had been removed

**Genatics**

To maximize the number of auxotrophic mutant should not be more than 20 min, because if the cells exposed more than 20 min according to data I have, the number decrease start from 40 min and more.

**Genatics**

when designing a protocol to produce auxotrophs for biochemical pathways, how long should you irradiate yeast in this system to maximize the number of auxotrophic mutants? Explain your reasoning.

**math**

85

**maths**

300

**PHYSICS**

A block with mass m1 = 9.0 kg is on an incline with an angle θ = 32.0° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.28 and μs = 0.308. To keep the mass...

**geometry**

Miguel is driving his motorboat across a river. The speed of the boat in still water is 10 mi/h. The river flows directly south at 3 mi/h. If Miguel heads directly west, what are the boat’s resultant speed and direction? Round answers to the nearest tenth.

**plz plz plz help in science**

An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a- gravitational to electric b- electric to gravitational c- A ---Answer i don't know which one is right for the second one. A study shows treatment of peptic ulcer ...

**science check**

An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a- gravitational to electric b- electric to gravitational c- A ---Answer i don't know which one is right for the second one. A study shows treatment of peptic ulcer ...

**math**

Miss Sue , I was just woundering, question say nearest hundered before tax. Do i minus the tax amount from the 706.is this a trick or 706 is perfect answer.

**math**

thank you so much , you are right it is 8.5 %.

**math**

Thanks , what if, in the last question tax rate is only 8 % ..

**math**

A white rose plant has 3 time as many blooms as red.Togher they are 48 ,which of following number of bloom on white rose. 12...24....36...16 48 divided by 3 ..16 i answered 16....? i don't rembered the second question excatly word by word , it come in test and i got wrong...

**Math**

Thanks.

**Math**

12cm by 21cm = 2*33= 66 ??

**Math**

it make sense so , just apply the Perameter formula and put the valuse so answers is 44 then 44*1.5 = 66. But How i have deal with increased 50% deminsion thing . please can you simplfy this .

**Math**

8cm by 28 cm ? I am confused . Geometery is not my thing .

**miss sue**

Thank you so much .

**miss sue**

i go to college and it take 40 to 45 gallon every monthto go to college, some time cost of the gallon varies 2.96 to 3.61 /gallon . what would be my weakly cost to drive college. please answer . i come up with 21 dolor.Am i right or miss some thing . Math - Ms. Sue, Thursday, ...

**Math**

i go to college and it take 40 to 45 gallon every monthto go to college, some time cost of the gallon varies 2.96 to 3.61 /gallon . what would be my weakly cost to drive college. please answer . i come up with 21 dolor.Am i right or miss some thing .

**3 grade math**

thank you so much .........

**plz answer ....plz**

plz answer ....plz

**3 grade math**

if a man cut grass in 6 hour , another man cut in 12 hour , how many hour ther were both spend if they cut grass toghter. answer 9 hour or 4 hour

**bio check plz plz plz**

in human (2n=46) mitosis result 2 cell with 23 chromoses and meosis result in (n=23) 4 cell with 46 chromoses... is this statment true ? please help me ....

**science HElp**

the covalent bond between the monomers of an enzyme macromolecules are peptide ester or phosphodiester bond question2 why urctic forx change coloring from brown in summer and white in winter . My answeers is = fox change phenotype but genotypes does not chane? am i right ?

**Math**

I think the answer is 16 .....2(4+4) 16 . am I right .help ..

**Math**

So the answer is 6 .please let me know if I m right or wrong.

**Math**

Thank you both of you.

**Math**

These 2 answers are different which one is the right.

**Math**

Thank you.

**Math**

Least to greatest Plz help me ....o.o101-0.100-0.110-0.0011 Plz help me to find a least to greTesT.

**chemistry**

12937.5

**business law**

I have assignment i need help in Agency and partnership, cases how can i send it to you

**Math**

what is the horizontal asymptote for y=(x-2)/(x^2-9)?

**Chemistry**

In which reaction does the oxidation number of oxygen increase? a. Ba(NO3)2+K2SO4--->BASO4+2KNO3 b. HCL+ NaOH---> NaCl+H20 c. Mg0+ H20---> Mg(OH)2 d. 2SO2+02---> 2SO3 e. 2H2O---> 2H2+O2

**Chemistry**

YES 15g NaOH dissolves in 150 mL of 0.250 M nitric acid.

**Chemistry**

NaOH+HNO3---> NaNO3+H2O calculate the number of moles of every ion present in solution after the reaction has occurred.

**chemistry**

Sorry i got confused so it is 4000 mL. So will the final volume be the L that is added?

**chemistry**

So will it be 0.004*6=2(mL) 0.024/2=mL 0.012mL ?

**chemistry**

How many liters of water must be added to 4 liters of a 6 molar HNO3 solution to create a solution that is 2 molar?

**English Help 2**

Thnaks for advise

**English Help 2**

I am writting a assigment about sappho's potery . This is my last paragraph .I want you to check it for me plz .and make it error free.

**English Help 2**

Through out her poetry, she seems to be very passionate about her love .she talks about her lover “He seems to me Equal to Gods” .She thinks ,Her love for that man is undesirable .She loves him very much that she worship him like a God. She is at the top of her love...

**English**

Through out her poetry, she seems to be very passionate about her love .she talks about her lover “He seems to me Equal to Gods” .She thinks ,Her love for that man is undesirable .She loves him very much that she worship him like a God. She is at the top of her love ...

**English**

Thankyou so much .

**English**

I need help to error free assignment. Sappho born 630 B.C. in Lesbo. She was lyric poet. She wrote poetry that was admired by ancient world. Her poetry work was very personal in nature .She talk about herself, family , daughter and lovers. She also introduces ancient Greece to...

**english**

letter to the Minister of envirnment in which you complain about the environment problems in your city.Then give suggestions to solve th problems.

**computer forensics**

1.Check the operating system’s swap file. Using the WinHex to go through the swap file, have you found any interesting results? 2.Design a plan to check the ram slack and drive slack on your computer with the tool WinHex. Report your findings. 3. Use WinHex to check ...