Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 251

**trigonomety**

FIND THE HEIGHT OF A TREE,IF 120 FT. FROM ITS BASE THE ANGLE OF ELEVATION OF ITS TOP IS 10 DEGREE 18 MINUTES

**grade 3 math**

1) what is the greates perimeter of a rectangle with an area of 39 square feet? 2) What is the least perimeter of a rectangle with an area of 32 square feet? 3) A rectangle has an area of 42 square inches. Which has a greater perimeter, the rectangle with the dimensions 21 x2 ...

**grade 3 math**

two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.

**Math 3rd grade**

Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.

**geometry**

ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.

**math**

Suppose Maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? Explain how you know.

**managerialaccounting**

Describe how total variable costs and unit variable costs behave with changes in the level of activity.

**physics**

A string under a tension of 42.6 N is used to whirl a rock in a horizontal circle of radius 2.47 m at a speed of 19.7 m/s. The string is pulled in and the speed of the rock increases. When the string is 1.13 m long and the speed of the rock is 46.9 m/s, the string breaks. What...

**physics**

NVM

**physics**

A block M1 of mass 16.5 kg sits on top of a larger block M2 of mass 26.5 kg which sits on a flat surface. The kinetic friction coefficient between the upper and lower block is 0.425. The kinetic friction coefficient between the lower block and the flat surface is 0.125. A hori...

**physics**

A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. De...

**physics**

A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- $kg$ block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the surface is 0.201. ...

**Statistics **

Explaining confidence. A student reads that a 95% confidence interval for the mean ideal weight given by adult American women is 140 ± 1.4 pounds. Asked to explain the meaning of this interval, the student says, “95% of all adult American women would say that thei...

**KINDERGARTEN**

HOMEWORK HAVE CHILDREN WRITE A ROW OF EACH LETTER AND THEN WRITE THE WORDS

**science**

how do the words matter element atom crystal compound and molacule relate

**Algebra**

I need help with solving these absolute value inequalities. I have to graph them as well. y< |x+2|+4 and y>|x+5|+3 I just don't know what to do without a coefficient in front of the absolute value!

**childcare**

write a letter to day care center supervisor requesting written permission to observe a child at the center

**Early childhood**

Teachers usually ask more of this type of question even if it is NOT recommended: A. convergent. B. divergent. C. open-ended. D. recall.

**chemistry**

1.64

**math**

question 1 use the laws of logarithms to simplify the expression Inx(x+2)(x+1) question 2 (18m^2n+6m^3n+12m^4n^2)/ (6m^2n)

**Chemistry**

A student determined the H of neutralization of nitric acid (HN03) mixed with NaOH solution, using the procedure described in this experiment. Fifty milliliters of 1.00M HN03 was added to 50.5 mL of 1.00M NaOH solution, and the following time-temperature data were recorded. A ...

**College Physics**

A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale, the reading on the s...

**Calculus**

In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 _< t _< 30) a. Find the position function of the train. b. Find...

**Calculus**

In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 ¡Ü t ¡Ü 30) a. Find the position function of th...

**algebra1**

mr jones estimates his profit starting in 2006 will be given by the formula p=7t^2-14t+10 where t is number of years and p is the profit.if this formula is correct,when will mr.jones have a profit of more than $1000

**physics**

After 35 minutes of running, at the 8-{\rm km} point in a 9-{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a constant speed throu...

**english**

are there any figurative language in the book Witch hunt the mysteries of salem?

**math**

the first term of a linear sequence is 5,nd d common difference is -3 find the 15 term

**Math**

If 2 cups of rice requires 4.5 cups of water, what is the total number of cups of water needed to prepare 5 cups of the same rice?

**science**

a toy car is traveling .5 meters per second.It goes 3.5 seconds. how far did it travel.

**Math**

12/42=4w/14

**trigonometry**

Dwight Howard is playing center for the Los Angeles Lakers. During the game, he blocks a shot. When Howard blocks the ball, he is 12 feet off of the ground (including his height). The ball is hit down at an angle of depression of 63°. Find the distance that the ball travel...

**physical sicence**

if a gives a force 2kg object an acceleration 1.6,/s2 what does the smae force give to an object of 4kg

**anatomy/physiology I**

In physiology, it's all about the function of cell and tissue and you need a good background in histology to reason properly. Skin is the best example. If you know what type of cell all the layers are made of it's easy to figure out some dermatology pathologies.

**anatomy/physiology I**

Not really, its more for histology. But between the two, its more important for the physiology component.

**math**

8+2y-3+9y

**geometry**

[1.04] If B is between A and C, AB=8x, BC=3x and AC=33, what is the value of AB?

**chemistry**

Zinc reacts with hydrochloric acid according to the reaction equation Zn(s)+2HCL(aq)=>ZnCl2(aq)+H2(g). How many mm of 1.50M HCL(aq) are required to react with 9.05 g of ZN?

**Theory and reserch in child development **

During the middle of the twentieth century, North America psychology was dominated by

**chemistry**

if 250ml of nitrogen dioxide were collected over mercury at 72 degrees celsious and under pressure 675mm of mercury, how many grams of nickel reacted?

**Algebra 2**

Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.

**Algebra 2**

Find the arithmetic mean a n-1=3.9, a n+1=7.1

**Algebra**

find the arithmetic mean A_n-1_-3.9, A_n+1_=7.1

**Physics**

A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If the temperature rema...

**physics**

yes. you conclude that original asteroid had a similar composition.

**physics**

Radiometric

**Accounting**

Give an example where product and period costs are the same and a separate example where they are different.

**statistics**

PROBLEM 4: PREFERENCE FOR CAN (a) What is the probability of preferring a glass bottle? b) What is the probability of preferring a glass bottle given that one lives in Region A? c) What is the probability of preferring a can given that one lives in Region C or B? Region A Regi...

**algebra**

Hong goes running Monday, Wednesday, and Friday of each week. Each Monday he runs miles, each Wednesday he runs miles, and each Friday he runs miles. How many total miles does he run in weeks?

**program planning and evaluation**

please answer the question above

**math **

What is the value of |-3-10|? -13, -7, 7 or 13

**chemistry**

What are the materials used to create a free standing atomic model of iodine?

**physics**

1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the net? 2.A pulley system lifts a load of 800 Newtons, 20 centimeters while the rope pulling it moves 100 cm. a. How much force must be applied to lift...

**physics**

A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

**physics**

1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, do...

**physics**

1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where it leaves the jet, do...

**chem**

How many moles of chloroethylene contain 5.47X10^26 molecules

**Math**

0.76

**math**

A man agrees to pay $450 per month for 48 months to pay off a car loan. If interest of is charged at 12% compounded monthly, how much did the car originally cost?

**Reading **

For this question,i think her mother's words inspire her daughter.That's my explaination£¬hope it will help u.

**Chemistry**

The molar heat capacity of silver is 25.35 . How much energy would it take to raise the temperature of 9.50 of silver by 10.5?

**calculus**

Use the demoivre's theorem to find the answer? (1+i)^8

**calculus**

write it in the form of a+ib (1+i)^2 (1-i)^3

**physics**

Consider the system shown in the figure below with m1 = 30.0 kg, m2 = 13.7 kg, R = 0.110 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.60 m above the floor when it is released from rest. The pulley axis is frictionless. The co...

**Math**

Find the product. (5a+2)³

**Math**

Mutliply. (9t² - t- 7)(4t²+9t-1) AND Find the product. (5a+2)³

**Math**

Find the product. (5a+2)³

**Math**

Multiply. (9t²t-7)(4t²+9t-1)

**physics - i need A.S.A.P**

An object of mass 1.5 kg is placed on a rough horizontal surface, as shown in Figure 1. Force F acts on the object. When the magnitude of F is 10 N, the object just begins to slide. Determine the coefficient of static friction between the object and the surface. i do not know ...

**math**

240 feet of fencing material is going to be used. What should the dimensions be to produce a maximum enclosed area.

**Math**

12 congruent individual plots 8ydx7=56yd 18ydx3=54yd 56yd+54yd=110yd Total length: 110yd -------------------------------- 6 congruent congruent rectangles 4ydx2=8yd 3ydx2=6yd 8ydx4=32yd 6ydx3=18yd 18ydx3=54yd 32yd+54yd=86yd Total length: 86yd

**physics**

hgf

**physics**

what is cross product or vector product plz explain it in detail.....

**information systems**

how can we say that a data should be relevant and verifiable?

**fizik**

b) A ball of mass 3.5 kg starts from rest and slides down a rough inclined plane 60 cm long in 0.6 s. i) Calculate the net force acting on the object along the inclined plane

**algebra**

Shelly has $175 to shop for jeans and sweaters, Each pair of jeans costs $25, each sweater costs $20, and she buys 8 items. Determine the number of pairs of jeans and sweaters Shelly bought.

**Math**

Thank you.

**Math**

Do I add them together, have the answer and then divide by 7 ?

**Math**

A student earned scores of 85, 83, 90, 94, 88 and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?

**Math**

Paul gets a bill from the sign rental company for $73.03. Their original quote was $9.84 per day for the sign, plus $13.99 for delivery/pick up. For how many days rental was Paul billed?

**algebra**

Solve using the quadratic formula and leave the answer in radical form: y^2+6y-1=0

**algebra**

Given a quadratic equation in the form y = ax2 +bx +c , and four choices of graphs representing that equation, how can you tell which choices could be eliminated right away by looking at the equation and looking at the graphs and doing some minimal calculations and not actuall...

**algebra**

simplify: ã(x^2+2x+1)

**algebra**

solve for x: X+4 = ∜(x+1)

**algebra**

simplify: ã(x^2+2x+1)

**helth**

i am in the 5th grade and need to know the function of heart and how to draw it

**trig/precalc**

a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to franklin.

**geometry **

Find JL if JK=17-x, KL=2x-7, and K is the midpoint of JL

**english**

complete the story on the basis of the beginning given below in at least 300 words. Anshuman felt a severe pain in the left part of his chest. He was seating on the terrace right then, and being overweight he struggled to reach his room to make a call to his brother...

**microeconomics**

Assume you read in a newspaper that firms who produce baby milk are not doing well due to melamine case. With the theory of perfect competition in mind, what do you expect to happen to the baby milk prices? Will the firms able to make profits in long run?

**microeconomics**

“Competitive firms do not want to produce its goods even after an increasing marginal product has set in and the marginal cost is decreasing”. Do you agree?

**science**

thanks!

**science**

is the sun dynamic in changing, unchanging, inactive, or perfectly homogeneous? I am so confused!!!! I need it for my poster!

**Phy. Science**

What is the state of matter when non-convective rain leaves the cloud?

**ethics**

how do most us manufacturers monitor their factories for compliance with corporate code of conduct

**math**

solve 2│2x-7│+11=25

**physics**

An amount of work equal to 3.5 J is required to compress the spring in a marble gun. If all energy is conserved, how much kinetic energy does a 25 gram marble have when it leaves the spring?

**french**

kindly make 7 sentences with the verb ".HABITER". THANKS.....IAM A 4TH GRADE STUDENT.

**math**

22+22+23+25+25+26+26+26+39 divided by9=234/9==26....ans =26

**3rd grade math**

46-12=34