# Posts by jena

Total # Posts: 120

**geometrey**

Decide whether perimeter or area should be considered when buying tilestiles needed for a floor.

**Help me please my daughter math**

Each week Susie washes dishes three nights,washes clothes one night,empties trash cans two nights,and cook supper one night.If her Aunt Nancy stopped by randomly one night,what are the chances that Susie would be cooking that night??

**my son's math help please**

I didn't understand...please help

**english**

I DON'T KNOW ASK UR MOM

**math**

The product of 2 two digit number is 351.What is the two number and what is their sum.

**math**

Oh. Thank you for helping me :D

**math**

Patsy has cheer-leading practice every fourth day. She wants to be in the school play, but they have practice every sixth day. If both start on September 5th, what would be the next date she has to choose between cheer-leading and play practice? Explain. This is really ...

**Science**

Guys, don't listen to those answers, the correct answer is A. I did D and it said the correct answer is A.

**Biology**

summarize the reproductive cycle of pines

**Science**

It is D.

**Health ( ANSWER ASAP)**

Im from Connexus XD

**Ed Tech. PLZ HELP ASAP**

>:O All of those that 'Hi' said, are all WRONG ;O; Here are the correct answers that it says is correct: 1. D 2. C 3. A 4. B 5. C

**health**

ointment

**chemistry**

Consider the following reaction. SO3(g) + H2O(l) → H2SO4(aq) A chemist allows 60.9 g of SO3 and 11.1 g of H2O to react. When the reaction is finished, the chemist collects 54.4 g of H2SO4. Determine the limiting reactant, theoretical yield, and percent yield for the ...

**Science**

A is wrong, I put it on my test and it was C. Guys, the correct answer is C NOT A.

**Health and PE**

Guys, do not listen to bobpursley's answer because it is wrong, i got it wrong on my test, the correct answer is B!!

**Science**

@Kaleb, the answer is C.

**math**

The sum of the first n odd number is n^2. The sum of the first 30 odd numbers is A. 60 B. 90 C. 300 D. 900 Thank you for the help in advance =)

**science**

Yes. the answer is nuclear.

**Help!**

@MusicLover14, your answer is WRONG. I did that on my test and I got it wrong, it is nonpoint.

**science (check!)**

So the correct answer is national park planning?

**math**

The total mass of three identical boxes is 28.05 kilograms. What is the mass, in kilograms, of each box?

**Math**

y=1/2x+3 Slope? x-intercept y-intercept How do I graph this?

**math**

how do I graph- y=-3x-6

**math**

Y=-3x-6 Slope- x-intercept- y-intercept How do I graph this?

**science(please check answers)**

Who from here is from connections academy nevada?

**science**

Why would it be B?

**Math**

Carol Miller went to Europe and forgot to pay her $820 mortgage payment on her New Hampshire ski house. For her 52 days overdue on her payment, the bank charged her a penalty of $23. (assume 360 days). What was the rate of interest charged by the bank?

**Chemistry**

not e

**Chemistry**

Convert 29.8 atm into torr I did this 29.8(1/760) and got 22648 but its not going online as correct

**Chemistry**

Convert 29.8 atm into torr I did this 29.8(1/760) and got 22648 but its not going online as correct

**Chemistry**

Yes its correct, but how about he mass of NaHCO3 in the tablet assuming the mass of the tablet is 3.50 g

**Chemistry**

HCl is added to NaHC03 .

**Chemistry**

I did the equation of the % mass but its wrong

**Chemistry**

reaction between NaHCO3 and HCl

**Chemistry**

Performing the same experiment described on your lab manual, a student used a 0.358 g sample of Alka-Seltzer and the mass of CO2 was found to be 0.102 g. Based on this result, answer the following questions: Determine the mass of NaHCO3 that produced the CO2 in the experiment...

**Chemistry**

a student used a 0.358 g sample of Alka-Seltzer and the mass of CO2 was found to be 0.102 g. Based on this result, answer the following questions: Determine the mass of NaHCO3 that produced the CO2 in the experiment. Determine the % mass of NaHCO3 in the sample. Determine the ...

**Chem Hmwrk**

For the reaction HCl + AgNO3 → ,write the balanced formula equation

**Human Services**

I am doing an assignment on program planning and evaluation. In the last section of the essay I am supposed to identify the technical aspects that my fictional domestic abuse recovery organization may run into. I do not understand what a technical aspect is. Can anyone explain...

**Algebra**

How?? What are the equations?

**Algebra**

What is the domain and range of the equation y=-x^2-4x-7?

**Algebra 1**

Whats: -3 < j + 2 < 7

**math**

A = B*2^-ht B = initial Amount t = time h = half-life Is that the whole question?? Becuase that really doesn't make sense. If you give me the whole question I can give you can answer.

**algebra**

Find integer bounds for the roots of the following equation: 3x^5-11x^4-2x^3=38x^2-21x-15

**Math 116**

No I think it would be (9, 14).

**Algebra**

What are intersections and unions (in algebra). Also, what are complements? And what does MATH stand for in terms of sets? Please answer quickly. Thanks!

**Math**

Oh yes sorry I got confused...don't listen to me...

**Math**

35-24

**Earth Science**

Ok thank you. At first I was confused, but then I realized that I was mixing up quantitative and qualitative. It makes sense now. Thanks!

**Earth Science**

What are FIVE tools that we use to help us extend our senses when making quantitative observations?

**Chemistry**

If you are given 46 grams of magnesium how many grams of hyfrogen will be produced?

**math- check me**

(-3)/(5)y=-15 Does y=25

**math- check me**

Sung rented a truck for one day. There was a base fee of $17.99, and there was an additional charge of .90 cents for each mile driven. Sung had to pay $253.79 when he returned the truck. For how many miles did he drive the truck? $253.79=$17.99+.90 -$17.99 $$238.80=.90 divide ...

**Math**

I see what I did, I put a neg in front when it should have been and carried it through. Thanks

**Math**

h(x)=(2-2x^2)/-2 h(-2) I get (-2-2(-2)^2)/-2 (-2-2(4)/-2 6/-2=-3 h(-2)=-3

**Math**

g(x)=-5+sqrt(x-1) g(4)=-5+sqrt(4-1) is the answer -5+sqrt3

**intermediate algebra-check my answer**

Ok thanks

**intermediate algebra-check my answer**

I don't get a value for b, What am I missing?

**intermediate algebra-check my answer**

Find the equation of the line. find equation of form y=ax+b, where a is slope, and b is intercept, which passes through points (x1, y1) = (-8, -6) and (x2, y2) = (0, 0) slope 0-(-6)/0-(-8)= 3/4 how would I write it? y=3/4x or y=3/4x+0 ?

**Helper helped**

thanks

**Algebra**

Restated:For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/(x^2+5) Check all symmetries that apply x-axis,y-axis,origin or non of the above.

**Algebra**

I get that the second equation x-axis. Is that right?

**Algebra**

Sorry y=1/(x^2+5)

**Algebra**

For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/x^2+5 Check all symmetries that apply x-axis,y-axis,origin or non of the above.

**Algebra**

thanks

**Algebra**

Compute log7^6 . Round your answer to 3 decimal places.

**Algebra-still need some help**

I get (-inf,-5/2)U[-6,infin) but it doesn't look right

**Algebra-still need some help**

Homework Help Forum: Algebra Posted by Jena on Thursday, February 3, 2011 at 7:32pm. Find the domain of the function. f(x)=(sqrt x+6)/(-2x-5) Write your answer as an interval or union of intervals. Algebra - David, Thursday, February 3, 2011 at 7:42pm (-6,-5/2)and(-5/2,...

**Algebra**

I'm lost

**Algebra**

Find the domain of the function. f(x)=(sqrt x+6)/(-2x-5) Write your answer as an interval or union of intervals.

**Algebra desperate**

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

**Algebra**

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

**Algebra**

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

**Algebra-problem restated**

Solve the following inequality. (x-4)/(-x+2)>0 Write your answer using interval notation

**Algebra**

Solve the following inequality. (x-4/-x+2)>0 Write your answer using interval notation.

**physics**

how do you find time?

**physics**

A cat chases a mouse across a 1.7 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.1 m from the edge of the table. The acceleration of gravity is 9.81 m/s2 . What was the cat’s speed when it slid off the table? Answer ...

**physics**

A cat chases a mouse across a 1.7 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.1 m from the edge of the table. The acceleration of gravity is 9.81 m/s2 . What was the cat’s speed when it slid off the table? Answer ...

**physics**

An autographed baseball rolls off of a 0.63 m high desk and strikes the floor 0.46 m away from the desk. The acceleration of gravity is 9.81 m/s2 . How fast was it rolling on the desk before it fell off? Answer in units of m.

**physics**

A girl delivering newspapers travels 2 blocks west, 10 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement? Answer in units of blocks. 077 (part 2 of 3) 10.0 points Find the direction (measured from due east, with counterclockwise positive) ...

**physics**

what is the vertical component?

**physics**

A cat climbs 20 m directly up a tree. What is the horizontal component of the cat’s displacement? Answer in units of m.

**physics**

A freight train has a mass of 3.2 × 107 kg. If the locomotive can exert a constant pull of 7.1 × 105 N, how long would it take to increase the speed of the train from rest to 74.6 km/h? (Disregard friction.)

**chemistry**

I am in need of help about this specific heat question. A 100.0g sample of aluminum released 1680 calories when cooled from 100.0 degrees C ti 20.0 degrees C. What is the specific heat of the metal? I tried setting it up: 1680 cal ________________________ 100.0 (100.0 *C- 20.0...

**english**

Are there any absolutes regarding rights and wrongs in the K-8 educational setting? Give examples to support your answer.

**chemistry**

How much energy is released when 1.9 kg of diethyl ether freezes? In kj

**Geometry**

A Regular Octagon with apothem of 9ft

**math**

Cola Company is offering its preferred customers a 25% discount on its most popular product normally listed at $40 each. a) What is the net price of each product to Cola Company's preferred customers? For full marks your answer(s) should be rounded to the nearest cent. b...

**College Chemistry**

thank you Dr. Bob!!! :)

**College Chemistry**

I am trying to figure out how many minutes are required for sunlight to travel from the Sun to Earth? Assuming the sun is 93,000,000 miles from Earth and that sunlight travels at 1.86x10 to the 5th power miles per second. These things are so tricky, i know i have to convert ...

**Milky Way**

trying to google concept maps....try images if that help! best of luck!

**College Chemistry**

thank you so very much for your help!

**College Chemistry**

here is the question: A sapphire gemstone contains 52.7% aluminum, 47.% oxygen, and traces of titanium. If the saoohire was found to contain 0.155g of oxygen, what is the mass of the gemstone? i think this is a precent unit factor but i don't know how to set it up. PLEASE ...

**math**

Jeremy has a fish tank that has a 40-cm by 70-cm rectangular base. The water is 25 cm deep. When he drops rocks into the tank, the water goes up by 2 cm. What is the volume in liters of the rocks

**math**

On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 35 questions correct. What was the percent of increase?

**math**

Use a Venn diagram to determine whether A > (B < C) 5 (A > B) < C for all sets A, B, and C.

**math**

Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element.

**College Chemistry**

Are my calculations correct of i came up with 50.71g of CaH2 to the question, "How many grams of are needed to generate 54.5 of gas if the pressure of is 815 at 22?"

**Math**

12r-4r=48r=

**5th grade**

Math help is a great website