# Posts by Naomi

Total # Posts: 235

**chemistry**

The material Magnesium Sulfate What mass of dry material would be needed to make an aqueous solution with a molality of 4 moles/kg solution ? What mass of water is needed? 4 (24.305+ 32.065+ (4 x 15.999)) =481.5 ?Not sure where to go from here or if the problem is complete.

**Cultural Anthro**

Contemporary anthropologists: 1 study global conflict to better understand effective conflict resolution solutions. 2 never would work to promote effective peace-keeping solutions because of their aversion to social interference. 3 only study foraging and horticultural ...

**Math**

A rectangular pizza, 40 cm by 60 cm, is cut into 24 square pieces. Two round pizzas, each cut into 12 slices, also give 24 pieces. So that the pizzas are the same size, what must be the diameter of the round pizzas?

**Text study**

Who were slaves free

**science**

A uniform force of 30N acts on a mass 2.5kg initially at rest for 5seconds then it withdrawn and a retarding force F now acted on the mass in the direction of the motion to reduce its velocity to 12 m/s.( calculate the momentum of mass before the retarding force starts to cut ...

**Math**

A basketball has a surface area of 1810 in^2 and a baseball has a surface area of 6 in^2. What is the diameter of a baseball if the diameter of a basketball is 9.5 in^2.

**History**

B and D

**Math**

So is the answer 187/8?

**Math**

How?

**Math**

Given that I take a piece of paper and cut it in half and then in half again. If the paper originally had an area of 187/2 in^2.What is the area of my new paper?

**History**

Yeah b is correct.

**math**

Look at your tree. it is about 20 meters.

**math**

Naomi was at her house.She saw a tree.How tall is it?

**Math**

Thank you so much Scott!

**Math**

solve the equation c/4 -5 =4 Please show all steps please!

**Calculus**

Ok. Thank you. You are right but I tried working it out using 2??(11.142-12.857) (x(18-1.4x) dx. I got a different answer, Is there a way I am to set up the y-equation.

**Calculus**

This is wrong, thank you

**Calculus**

Use cylindrical shells to find the volume formed by rotating the region in the first quadrant enclosed by: y=1.2-1.4|x-12| and y=0 about the y-axis

**Calculus**

That was for washers method, This is for cylindrical shells

**Calculus**

Use cylindrical shells to find the volume formed by rotating the region in the first quadrant enclosed by: y=1.2-1.4|x-12| and y=0 about the y-axis

**Calculus**

Use washers to find the volume formed by rotating the region enclosed by: y=1.4?2|x?13| and y=0 about the y-axis

**Science**

I need an answer....

**Science**

Can someone send me a link to what global warming is? Thanks

**urgent help!**

thanks.

**urgent help!**

ASAP help please. Choose one destination that is represented by a flag. Write a paragraph about the effects of climate change in that destination. I do not know what to choose for this just give me ideas plz.

**Calculus**

At the scene of an accident, there are skid marks which are 200 feet long showing where a car put on the brakes. The driver swears that he was obeying the speed limit. If we assume that the car braked with a constant deceleration of 16ft/sec^2. We can determine whether or not ...

**mATH**

Ms. Sue? Anyone?

**mATH**

1. Compare using <,>, or =. -15 and -21 A < (MY ANSWER) B > C. = 2. Which nuumber is greater than -24? A -42 B-27 C -16 (MY ANSWER) D -30 3. Which set of integers is ordered from greatest to least. A -13, 4, 0, -8 B -5, -2, 3, 1 C -12, -8, -4, 7 (MY ANSWER) D 4,6,7...

**Social Studies**

The decades around the year 50 B.C. saw the end of the Roman Republic and the rise of the Roman Empire. What factors led to the decline of the Roman Republic? Do you think there was any way for the republic to be preserved? What are the disadvantages of an empire compared to a...

**math**

if you know the radius of a circle how can you find its diameter?

**number base help plz**

explain plz sir steve

**number base help plz**

plz solve for me too hard show step payuto 123_(base4) = N_(base8 )

**maths equation too hard@reiny**

how about newton literative method? Payoto

**maths equation too hard**

x^3=3^x plz help me what is the solution yes i know x=3 but how?

**maths equation too hard**

x^3=3^x what is x plz show step

**set maths**

In a survey of cars,it was found DAT 75% were old,65% were small nd 50% had been involved in an accident.8% were accident free large old cars,20% were accident free small new cars, 7% were accident free small old cars,6% were new small cars which had an accident what % were A...

**sequence help plz**

5+11+17+23 +... Find the sum of the 2n term of the series plz help me show step

**Science Please Help**

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

**Chemistry**

Say there is a diluted solution and we need to find the final concentration of it, using the equation M1V1 = M2V2. Does this method change, if the compound (concentration that we're trying to find), is in a solution that has already reacted with another compound? Ex: CaCO3...

**Math**

if you were to sketch a cirlce graph for the data shown in the table below, what fraction of the circle would represent food? Expense Activities= $600 Food= $450 Souvenirs= %270 Show answer in fraction please!

**physics**

A car starts from rest is uniformly accelerated at 0.1m/s square untill it reaches a speed of 15m/sec square. It travels at this speed for 3mins and it returns uniformly retarded so as it come to rest 8mins after starting.plot the velocity time graph of the motion and use the ...

**physics**

A particle is projected with a speed of 39.2m/sec at an elevation of 30degrees.find its greatest height.

**ELA**

Thanks Ms. Sue!

**ELA**

Oh. Then can it be C?

**ELA**

Which of the following passages from the text best illustrates Phillips ability to adapt to his blindness? A. I tried to make my eyes cut through the darkness. B. After a moment of silence, I heard the sizzle of the water as Timothy doused the torch. C. I knew it was early ...

**Math**

and how did you get 45???????????

**Math**

where did you get that 10,2???? i don't get it

**geography**

Sun

**algebra**

Show Work Use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=x^5-x^4+4x^3-4x^2-20x+18 [1.5,1.8]

**Chemistry**

A solution is made by dissolving 32g KCIO3 in 100g H20 at 80C. The solution is cooled to 10C. Describe what you would observe as it cooled and state what temperature this first occurs at. What mass of crystals would settle out of the solution?

**math**

-1. Using order of operations multiply, divide, addition, subtraction. Since there is no multiply, go to divide 3 by one third, which is actually 3x3, then add one. Then subtract 10 from nine and you get -1

**Geometry**

Krista was vacationing in the jungle and wanted to ride a zip line. The platform was 173ft above the ground. The angle of elevation of the zip line was 40 degrees from the ground. Approx. How long was her ride down the zip line?

**Math**

Thanks

**Math**

If the area of parallelogram ABCD = 246 mm2 and h = 20.5 mm, what is the length of the base of triangle ABD? A.12 mm** B.24 mm C.123 mm D.There is not enough information given.

**Math**

Demarcus drew a pair of complementary angles. He drew one angle that had a measure of 48 degrees. What was the measure of the other angle he drew? A. 42 degrees** B. 48 degrees C. 132 degrees D. 138 degrees

**physics**

When point charges q1 = +8.9 μC and q2 = +7.6 μC are brought near each other, each experiences a repulsive force of magnitude 0.10 N. Determine the distance between the charges. I got 6.08 m

**physics**

At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 291 N/C. At a distance r2 from the charge, the field has a magnitude of 165 N/C. Find the ratio r2/r1. I divided 165/291 and got .567

**Physics**

Two spherical objects are separated by a distance of 2.97 × 10-3 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As a result, each ...

**FINAN & QUANTITATIVE LITERACY**

Your current cell phone company charges $30 per month for unlimited minutes. Another company charges $20 per month for the first 500 minutes plus 5¢ a minute for any additional minutes. Should you keep your current service or switch to the other company?

**FINAN & QUANTITATIVE LITERACY**

You currently drive 288 miles per week in a car that gets 24 miles per gallon of gas. You are considering buying a new fuel-efficient car for $15,000 (after trade-in on your current car) that gets 48 miles per gallon. Insurance premiums for the new and old car are $800 and $...

**Spanish**

Es viejo, el carro de mis padres.

**Spanish**

Answer. Use a possessive adjective in your answer. Tus padres tienen un carro. ¿Es viejo o nuevo el carro de tus padres?

**Math 141**

A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 7? (Enter your answer as an exact fraction.)

**geography,business ,consumer studies,maths litracy**

what can I do with this subjects.what job options are available for me to study in university

**Math**

How can I insert 4 arithmetic means between √2 and 12/√2? How do I incorporate fractions and roots into sequences?

**Math**

The 6th term of an arithmetic sequence is 3 times the 2nd term. Prove that the 10th term is twice the 5th term. tn=t1+(n-1)d

**check my work**

bruh #8 should've been b

**math**

a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...

**American History**

In Jefferson's view, George Washington's action in addressing the Whiskey Rebellion

**Physics**

A car, moving along a straight stretch of highway, begins to accelerate at 0.0442 m/s^2. It takes the car 30.8 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s. I tried converting 30.8 km/sec to m/s then subtracting 0.0442, ...

**Physics**

If the time (up and down) the ball remains in the air is 2.14 s, find its speed when it caught. The acceleration of gravity is 9.8 m/s^2 . Neglect air resistance. Answer in units of m/s If the time the ball remains in the air is 2.27 s, find the maximum height hmax the ball ...

**chemistry**

Combustion

**Science for ms. Sue**

If you were to walk towards a Van der Graaf generator, the effect of its electric field would get weaker as you got closer to it. A.True B.False I think it is A

**social studies**

I believe the answer is C, i might be wrong though.

**math**

What are the 4 concecutive even integers such that the squar of the second term is equal to the product of the first and last term

**How long will it take the investment to double?**

$3,600 is invested in an account at an annual interest rate of 4.8% compounded continuously. How long, to the nearest tenth of a year, will it take the investment to double in size?? Any help would be appreciated.

**math**

order from least to greater 4 1 over 2, 19 over 4, 37 over 8, 4 3 over 16

**math**

5.5

**Chemistry**

1.51g

**5th grade math**

(a)36,000&10=360,000 Explain how you decided on the number of zeros in the products for (a)

**Physics 2**

four identical charges (q = +3µC) are arranged in a form of a rectangle. what are the magnitude and direction of the net electric force on the charge in the lower right corner attributable to the other three charges? distances are in meters.

**Chemistry**

If 1.5g of CaO is mixed with 2.5M HNO3 how many moles of CaO were reacted and what type of reaction is this ?

**english**

Yes, you are correct.

**math**

math lol December 16, 2016 at 2:34pm your answer is not "lol" as you say:(

**Math**

group a ate 1 pizza

**Science**

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical means. C.) both ...

**Math HELP**

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the list

**Math**

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the list

**reading**

If I got a 92 on my mid term then got a 50 on a worksheet the following day then what would be my average

**Accointing , Economics and Life Science**

I was wanting to find out that with the subjects l got what type of career could l have

**Math**

The area of a square is 36 square feet. If each side is lengthened by 4 feet, how could the perimeter of the new square be calculated? A. Divide 36 by 4 to get 9. Then add 4 to 9 to get 13 and multiply this by 4 to get the new perimeter. B. Divide 36 by 4 to get 9. Then add 4 ...

**OMG**

Thank you!!

**2 questions:(**

Did you get all of the answers for this lesson?

**math**

a tank and a pail contain a total of 5,136 milliliters of water. jacob pours 314 milliliters of waster from the pail into the tank. the amount of water in the tank is now 7 times what is left in the pail. how much water was in the pail at first?

**math**

a group of people pays $720 for admission tickets to an amusement park the price of an adult ticket is $15, and a child ticket is $8. there are 25 more adults than children. how many children are in the group?

**Business/Finance**

When considering how profitably your company is operating, you examine: a) inventory turnover. b) sales and the return on your investment. c) depreciation and liquidity. d) tangible and intangible assets. e) the price of the Canadian dollar. I think the answer should be b = ...

**Chemistry**

Arsenic acid has the formula H^3AsO^4. It is a triprotic acid. Abottle is marked 0.422 N arsenic acid. What is the Molarity of this solution?

**Physics**

A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

**Physics**

A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

**science**

1. genetic _______ (1 point) 2. are formed by _________ (1 point) 3. can be changed by natural ___________ (1 point) 4. can be changed by _________ (1 point) 5. can be changed by selective ____________ (1 point) 6. which leads to _____________ (1 point) PLEASE HELP!!!