Thursday

May 26, 2016
Total # Posts: 97,260

**Probability and statistics**

pp
*March 22, 2016*

**Physics**

A sports car is accelerating up a hill that rises 17.0° above the horizontal. The coefficient of static friction between the wheels and the road is µs = 0.79. It is the static frictional force that propels the car forward. (a) What is the ...
*March 22, 2016*

**physics**

A 9-kg block is held by a pulley system shown in fig. What force must the person exert in the following cases: a) to hold the block at rest. b) to lower it at 2m/s. c) to raise it with an acceleration of 0.5 m/s2? Ignore the mass of small pulley. Answer Thi
*March 22, 2016*

**math**

210
*March 22, 2016*

**math**

A used guitar is on sale for $280. Derek offers the seller 3/4 of the advertised price. How much does Derek offer for the guitar? IS $240 correct?
*March 22, 2016*

**math**

One of the standard telephone numbers for directory assistance is 555−1212. How many different permutations of this telephone number are possible?.
*March 22, 2016*

**math**

for the first one is it 18.75 hours
*March 22, 2016*

**math**

The Fernandez family drove 273 miles in 5.25 hours. How far would they have driven at that rate in 4 hours? A rectangle made of square tiles measures 10 tiles long and 8 tiles wide. What is the width of a similar rectangle whose length is 15 tiles? While bowling with friends, ...
*March 22, 2016*

**math**

A bag contains 8 white marbles and 2 black marbles. You pick out a marble, record its color, and put the marble back in the bag. If you repeat this process 45 times, how many times would you expect to remove a white marble from the bag?
*March 22, 2016*

**math**

Idk
*March 22, 2016*

**LOCAL STANDARDS AND REGULATIONS**

Local, state, and provincial governments may have specific regulations that apply to the physical space in a day care center. A typical requirement in these regulations is a minimum of _______ square feet of usable play space for each child. A. 35 B. 24 C. 10 D. 18
*March 22, 2016*

**LINCENSING ACCREDIDATION AND CERTIFICATION**

To obtain a credential from _______, it's acceptable to have received your training through independent study. A. the Child Development Associate training program B. the American Montessori Society C. your State Department of Education D. the Association Montessori ...
*March 22, 2016*

**HOW TO START YOUR OWN CHILD DAY CARE FACILITY**

Which one of the following is an advantage of setting up a family day care home? A. You can obtain a tax-exempt status. B. You can enroll as many children as you wish. C. You'll be eligible for federal aid. D. Your own child or children will have children to play with.
*March 22, 2016*

**math**

Rebecca rolls two number cubes each with sides that are labeled 1 to 6. What is the probability that both number cubes show a 1?
*March 22, 2016*

**math**

Wendy noticed that out of 345 cars that passed her house, 56 were SUVs. About how many SUVs could she expect to pass by if 2,100 cars were to pass by her house?
*March 22, 2016*

**Chemistry**

for the redox reaction given in the chemical equation Pb(OH)4^2- (aq) + ClO- (aq) --> PbO2 (s) + Cl- (aq) For the oxidation half reaction I got Pb(OH)4^2- (aq) --> PbO2 (s) + 2H2O (l) + 2e- For the reduction half reaction I got 2e- + 2H2O(l) + ClO-(aq) --> Cl- (aq) + ...
*March 22, 2016*

**Chemistry**

Determine the pH of a 0,050M solution of lactic acid, CH3CH(OH)COOH (ka = 1.4x10^-4) and delta Grxn^o at 25 degrees C. Determine pH and delta Grxn^o at 25 degrees C I'm having trouble on getting started.
*March 22, 2016*

**Tax**

The corp has domestic taxable income of $400,000 and foreign-source taxable income of $200,000. Their U.S. tax on worldwide income is $204,000. The corp paid foreign income taxes of $65,000. What is their foreign tax credit on their US income tax return?
*March 22, 2016*

**Tax**

A corp has domestic taxable income of $400,000 and foreign-source taxable income of $200,000. Their U.S. tax on worldwide income is $204,000. The corp paid foreign income taxes of $75,000. What is their foreign tax credit on their US income tax return?
*March 22, 2016*

**Tax**

The Smiths son, Jake, is 19 and a full-time student in his second year of college. Jake paid $5,650 in tuition during 2015, and another $650 for textbooks. The Smiths are claiming Jake as a dependent. Their taxable income is $13,000, and their tax liability before credits is $...
*March 22, 2016*

**chemistry **

what type of a ligand would 18 crown 6 ether be? hexadentate?
*March 21, 2016*

**PHYSICSS HELP**

i cant post it but its a man who is pulling a mass and the mass is hanging from a pulley and he is in a higher position not on the floor
*March 21, 2016*

**Geography**

I dont really understand the question
*March 21, 2016*

**Geography**

How is the United Nations able to impact international political relations of sovereign nations? What gives it that power?
*March 21, 2016*

**Geography**

I put that they have helped foster peace and economic development throughout the world
*March 21, 2016*

**Geography**

What are some of the humanitarian or social functions of the united nations
*March 21, 2016*

**Geography**

What are the nations on the Security Council and why were they chosen as members? US,Russia,UK,France,China I'm not sure why they were chosen.
*March 21, 2016*

**Geography**

Why was a charter created for the United Nations?
*March 21, 2016*

**Geography**

What is surprising of the geography of the European Union
*March 21, 2016*

**Math**

Is it easier to evaluate n^0 w^0 for n=-2 and w=3 by simplifying first or by substitute first ? explain
*March 21, 2016*

**Physics**

(a) N=m(g-a)= 65(9.8-2.4)= 481 Newtons (b) 2.4 m²/s (c) 9.8 m²/s (d) a+g
*March 21, 2016*

**Math **

A model car has a scale of 1:24, where the model dimensions are in the numerator and the actual dimensions are in the denominator. if the tires on the model have a diameter of 1/2 inch, how long is the diameter of an actual tire on the car?
*March 21, 2016*

**Spanish**

B. Sesenta. Sesenta is 60 and there are 60 minutes in a hour. Hope I helped!
*March 21, 2016*

**Physics**

v₁=0.280 m/s; t₁ =3.50 s; F₁=550 N v₂=0.360 m/s; t₂=3.00s; F₂=560 N ma₁ =F₁-F(fr) =F₁-μN =F₁- μmg ma₂= F₂-F(fr)= F₂ -μN =F₂ - μmg v₁= a₁t₁ => a₁=v...
*March 21, 2016*

**Physics**

F(fr)=ma=mv²/R= = 862•(12.4)²/66.7 = 160.25 N
*March 21, 2016*

**Physics**

a(c) = v²/R= =(1.28)²/0.382 = 4.29 m²/s
*March 21, 2016*

**algebra i**

Ohh, thank you
*March 21, 2016*

**algebra i**

Thank you, but why wouldn't the 4 be square rooted
*March 21, 2016*

**algebra i**

I'm a little confused at how to do this problem, could you check this to make sure I have it done right ? (x-4)^2 = 625 (undo square by square root) (x-2) = 25 (x+2) = 25 x = 27 x = 23
*March 21, 2016*

**Pre-Algebra**

The layer cake has both vanilla and chocolate frosting. What percent of the surface area of the cake (not including the bottom) is chocolate? Round your answer to the nearest tenth of a percent.
*March 21, 2016*

**Physics**

ω=ωₒ+εt ε=( ω-ωₒ)/t= =(24.2-7.07)/6.42 = 2.67 rad/s
*March 21, 2016*

**physics**

ΔKE=Work=Fs= =1.6x10^-15 x 0.071= =1.136x10^-16 J
*March 21, 2016*

**Algebra**

The path of a baseball after being hit is given by the function f(x)= -.007x^2+x+4 where f(x) is the height of the baseball (in feet) and x is the horizontal distance from home plate (in feet). at what time will the baseball reach the maximum height?
*March 21, 2016*

**algebra 1**

It was wrong it is c
*March 21, 2016*

**Science**

What's the difference between the types of light detected by radio, refracting, and reflecting telescopes?
*March 21, 2016*

**Linear Algebra**

Consider the transformation T(ax^2 + bx + c) = 2ax + b of P2 → P1. (a) Find T((ax^2 + bx + c) + (px^2 + qx + r)). (b) Find T(k(ax^2 + bx + c)). (c) Find the image of 3x^2 − 2x + 1. (d) Determine another element of P2 that has the same image.
*March 21, 2016*

**Chemistry**

Name the two functional groups found in benzyl acetate? Name the three functional groups found in PABA? Name the two functional groups found in Benzophenone
*March 21, 2016*

**Physics**

We can measure angles in degrees or radians. When studying angular motion, we will tend to use radians. If you are looking at a portion of a circle, the angle in radians can be calculated by dividing the arc length by the radius of the circle. The arc length for a complete ...
*March 21, 2016*

**reading comprehension**

b
*March 21, 2016*

**reading comprehension**

B.
*March 21, 2016*

**reading comprehension**

B
*March 21, 2016*

**math**

can not say
*March 21, 2016*

**GT LA**

what is it
*March 21, 2016*

**Pre Algebra**

alright you welcum
*March 21, 2016*

**Math **

In An election sample poll of 400 you find that 53% of the Sample is planning on voting for our candidate
*March 21, 2016*

**chemistry**

CH3-C(Cl)(C2H5)-CH(CH3)-C(NH2)(Br)-CH2-CH2-C(CH3)3 IUPAC name of this compound
*March 21, 2016*

**math help**

9.7 hw workshett
*March 21, 2016*

**child daycare**

When incorporating a business, which one of the following is not a major step to take? A. Filing your employee policies with the proper state agency B. Holding an incorporator's meeting C. Preparation of bylaws D. Preparation of articles of incorporation
*March 21, 2016*

**maths**

if a vector A has a magnitude 6 and another has a magnitude 7 with an angle 120 in between ,what is its cross product?
*March 21, 2016*

**STATISTICS**

hahahah
*March 21, 2016*

**calculuse **

Find the area of the shape shown below. units2\text{units}^2units 2 u, n, i, t, s, start superscript, 2, end superscript
*March 21, 2016*

**geometry**

In a square of compost 4 ft by 4 ft. Ms. Lee had 1000 worms. How many worms can she have if her square of compost has a side lenght that is 8 times longer?
*March 20, 2016*

**chemistry 1020**

You have 67.0 mL of a 0.400 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water should you add?
*March 20, 2016*

**Math**

The rental rate at rent a wreck is 30$per day plus $0.25 per mile driven
*March 20, 2016*

**macroeconomics**

How are currency exchange rates determined?
*March 20, 2016*

**math**

At East Coast Dogs, 2 of the last 7 customers wanted mustard on their hot dogs. What is the experimental probability that the next customer will want mustard?
*March 20, 2016*

**Economics**

How are long and short term equilibrium prices set?
*March 20, 2016*

**Algebra**

A building is 2ft from a 9ft fence that surrounds the property.A worker wants to wash a window in the building 13 ft from the ground. He plans to place a ladder over the fence so it rests against the building.He decides he should place the ladder 7ft from the fence for ...
*March 20, 2016*

**reading**

(1) Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. (2) A greenhouse stays warm because sunlight and heat coming through the glass roof are mostly trapped. (3) The heat doesn't radiate back into the atmosphere because...
*March 20, 2016*

**politcal science**

George wallace
*March 20, 2016*

**politcal science**

not sure
*March 20, 2016*

**Business**

c c b b b b- a b b- d a a- d a c a c a d d I got 85% and you see the key is - meaning its wrong answer 6, 9, 12
*March 19, 2016*

**engilsh**

thanks!
*March 19, 2016*

**Math**

Approximately across the United States, it is 5,000 km. If you were to put this on a paper of 8.5 inch * 11, what scale would you use? Show your work.
*March 19, 2016*

**chemistry**

Ammonia is often formed by reacting nitrogen and hydrogen gases. How many liters of ammonia gas can be formed from 23.7 L of hydrogen gas at 93.0°C and a pressure of 38.9 kPa?
*March 19, 2016*

**Math**

thanks I forgot to subtract the first 20. 218
*March 19, 2016*

**Math**

A whale is swimming at 20 feet below sea level. He dives to a depth of 3,290 feet in 15 minutes. what is the change is depth per minute?
*March 19, 2016*

**Chemistry**

A chemist reacted 0.05 moles of solid sodium with water to form 50 cm3 of sodium hydroxide solution what mass of sodium was reacted?
*March 19, 2016*

**Math**

The volume of a sphere is equal to its surface area. What is the diameter of the sphere?
*March 19, 2016*

**integral calculus**

find the volume of the solid generated by revolving the area by the given curves about the indicated axis of revolution y^2=4ax,x=a;about the y-axis.
*March 18, 2016*

**integral calculus**

find the volume of the solid generated by revolving the area by the given curves about the indicated axis of revolution y^2=4ax,x=a;about the y-axis
*March 18, 2016*

**math help pls pls pls**

Find the equation of a sine wave that is obtained by shifting the graph of y=sin(x)y=sin(x) - to the right 8 units and - downward 3 units and - vertically stretched by a factor of 2.
*March 18, 2016*

**Chemistry**

Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or a weak base and a ...
*March 18, 2016*

**Chemistry**

Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or a weak base and a ...
*March 18, 2016*

**english**

Okay thanks
*March 18, 2016*

**english**

No, I meant by television shows instead of movies
*March 18, 2016*

**english**

they're supposed to be male t.v show heroes
*March 18, 2016*

**english**

but aren't those movies??
*March 18, 2016*

**english**

name three t.v heroes and why the are on your list
*March 18, 2016*

**Health**

Thank you
*March 18, 2016*

**Health**

Stress is a normal part of life. A. The above statement is false B. The above statement is never true C. The above statement is true D. None of the above I think its C.
*March 18, 2016*

**sgfrsargehw**

answeer pl0x
*March 18, 2016*

**Math ASAP**

1. What is the length of the diagonal for the rectangular prism with L=8cm W=3cm H=7cm to the nearest whole unit? 10 cm 11 cm <------------------------- 6 cm 13 cm 2.What is the slant height for a pyramid with base=10cm and height=12cm to the nearest whole unit? 7 cm 11 cm ...
*March 18, 2016*

**MAth**

A fence measures 15 yards in length. Each bundle of flowers measures 6 inches in length. How many flowers can you fit along your fence?
*March 18, 2016*