Monday

July 28, 2014

July 28, 2014

Total # Posts: 2,696

**statistics**

Smith is a weld inspector at a shipyard. He know from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be at substandard. Smith checks 7500 shifts completed that shift and finds that 300 of them are substandard. Find the sample...

**Accounting**

Prepare the entry to record the accrued interest and the amortization of premium on December 31, 2010 using the straight-line method. INFO: Sharapove Co common stock, $100 par 200 shares $37,400 U.S. government bonds, 11%, due 4/1/2020, interest payable 4/1 & 10/...

**physics**

A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 6.90 m east, the second 7.70 m south. What displacement would have been needed to get the ball into the hole on the first putt?

**Math**

If something is less than five what will be rounding for that number for example 43, 44, 42

**math**

explain how u round 85 to nearest ten.

**Math**

what is rule of rounding a number.

**Math**

write an addition problem that requires regrouping

**physics**

A 75.0-W lamp is placed in series with a resistor and a 120.0-V source. If the voltage across the lamp is 24 V, what is the resistance R of the resistor?

**physics**

A golf ball is hit with an initial velocity of 50 m/s at an angle of 45° above the horizontal. How far will the ball travel horizontally before it hits the ground?

**Reading**

what is base word for calling, called, calls. what is the base word for burning, burned, burns

**Reading**

what is base word for calling, called, calls what is base word for burning, burned, burns

**Reading**

what is base word.

**math**

How you can rounded 85 to the nearest ten.

**Chemistry**

Do chemists speed a reaction by using bunsen burners or steam baths because this lowers the activation barrier?

**CHEMISTRY**

Why must an organic layer be washed with NaOH?

**geometry**

how do you justify if three lenghs make a triangle?

**Business Law**

Sam owns an acre of land on Red River. The government dams the river. A lake forms behind the dam, covering Sam's land. Does the government owe Sam anything? I dont want you to give me the answer but maybe just a reference where I could see the law on this case

**Finance**

99250

**physics**

A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x axis. The mass is origin...

**physics**

A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x axis. The mass is origina...

**Pre-Calculus**

It'll help you sove this if you draw a picture.(Not the greatest below but you get the idea) .| . | . | . |x . | ._____________| 25ft The 32 degrees should go in the bottom left corner of the triangle. To solve for x, you would use tangent. The problem would be set up as t...

**Calculus**

Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^-x)

**6th grade english**

I need help to do adverbs please come and help me on this please anybody.

**Math**

regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.

**Latin. **

I don't know if I need to put them in singular or plural. that's what making me confused. I'm doing the 3rd declension

**Latin.**

The 3rd delension What's the accusative case for 1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae what's the ablative case for 1. bonus rex 2. puer fortis 3. omnes comites 4. princeps tristis 5. urbes multae

**Lati**

What's the accusative case for 1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae

**physics**

Identical +1.39 µC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total electric potential at the remaining empty corner is 0 V?

**Math**

regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.

**geometry**

Given a line l, let A be a point on l, and B another point not on l. a. prove all the points of the line segment AB, except for A lie on the same side as B.

**Calculus**

is there a number a such that the lim x->2 6x^2+ax+a+57/x^+x-6 exists? if so find the value of a and the limit.

**Science - Chemistry**

A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is CH3CH2OH with a molar mass of 46 grams/mole. The density is .79 g/ml. How many liters of elixir must one have in order to have 50 moles of carbon?

**physics**

a European farm has a land area of 0.425km^2. determine this area in acres . 1.000 acre =43,560ft ^2

**writing decimals**

How do you write 0.013 in expanded notation

**math**

23.6 repeating in fraction notation

**math**

23.6repeating find fraction notation

**math**

23.6 repeating find fraction notation

**chem**

an aluminum engine block has a volume of 4.77 L and mass of 12.88 kg. whate is the density of aluminum in g/cm 3

**logic**

g --> h ~h v k g k --> w Prove: W

**logic**

g --> h ~h v k g k --> w Prove: W

**math**

6 40/20 6 5/20 =12 9/20 12 9/20 /2=249/20/ 2/1 =249/20 *1/2 =249/40 and the answer was 1 209/40 it had to be a mixed number

**math**

1 209/40

**math**

find the average 6 1/5 and 6 1/4

**math whats wrong with the answer**

(1/4)2 +3/4* 2 3/5 =214/96

**math**

what is the answer as a integer

**math**

(1/2)^2 +1/2 * 2 2/3 simplify

**math**

to find the perimeter, you just have to add the length+width+length+width of all sides. s in this case, the perimeter will be: 80m 80m 100m + 100m = 360m

**fith grade math**

well i'm trying to do 49 x27 how would you do that?

**Science**

Pleas unscramble this word acnsrl spherical It's a tool to measure force.

**Physics **

a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string

**Essential Mathemtics 1**

10 2/3 / 4

**Essential Mathemtics 1**

15 * 4 2/3

**Essential Mathemtics 1**

13 1/3 / 6 2/9

**Mathemtics 1**

Lol noooooo 3 1/9 * 2 1/4 is what I'm trying to solve.

**Mathemtics 1**

I do but it's 3 numbers in both the fractions, on that website, it's only 2.

**Mathemtics 1**

Uhmmm That didn't help much.

**Mathemtics 1**

3 1/9 * 2 1/4

**Essential Mathematics 1**

7 1/3 - 2 5/6

**Biology**

A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong. Are the following true or false and support your answer: i. Red blood cells and nerve cells in adult humans are suitable for karyotyping (determinin...

**physics**

A certain cable car is San Francisco can stop in 10 s when traveling at maximum speed. On one occasion, the driver sees a dog a distance d m in front of the car and slams on the brakes instantly. The car reaches the dog 7.78 s later, and the dog jumps off the track just in tim...

**physics**

A jet plane lands with a speed of 87 m/s and can accelerate at a maximum rate of -5.30 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? What is the actual minimum distance needed to stop th...

**physics**

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 12 m/s, skates by with the puck. After 2.0 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 4.0 m/s2, determine each of...

**physics**

A ball is thrown vertically upward with a speed of +13.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...

**physics**

A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 170 m. (a) What is the maximum height reached by the rocket? (b) How long after lift-off does ...

**lamar**

3(2x+5)=39

**Math: Factoring**

3(1+x)^ 1/3 -x(1-x)^ -2/3 -------------------------------- (1+x) sqrt 2/3 please help the line means divisionn of the underlined numbers and variables.

**Math: Factoring**

sorry i said it wrong. i just posted it again with correct info.

**Math: Factoring**

yes

**Math: Factoring**

3(1+x)sqrt 1/3 -x(1-x)sqrt -2/3 -------------------------------- (1+x) sqrt 2/3 please help

**Spanish**

What article do I use with sueter in spanish

**Physics**

A person walks 23.0° north of east for 2.60 km. How far due north and how far due east would she have to walk to arrive at the same location?

**physics**

Two boat landings are 6.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?

**physics**

At t = 0, a stone is dropped from a cliff above a lake; 2.1 seconds later another stone is thrown downward from the same point with an initial speed of 33 m/s. Both stones hit the water at the same instant. Find the height of the cliff

**Physics**

it is going directly north

**Physics**

it is going directly north

**Physics**

it is going directly north

**Physics**

A plane flies at an airspeed of 242 km/h. A wind is blowing at 72 km/h toward the direction 60° east of north. What is the speed of the plane relative to the ground?

**Pre-calculus**

how to graph the polynomial function f(x)= -x^4 - 4x^2 by hand. Please Help!!!

**calculus**

given f(x)=3x-5 , evaluate each of the following f(4) F(x+2) f(-x)

**Math**

polynomials (2z - 7) (-z + 3)

**Math**

In December,the average total rainfall in all of the deserts together is 0.89 mm. Explain how to use the figures from the table to write a comparison of the total desert rainfall in August and December.

**math**

By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions. If the correct answer is 7.08809, which of the following entries would be counted as correct? 7.024 7.0...

**geometry**

What is the area of the top of a box that is 14 by 19 cm?

**Physics**

Two trucks having equal speeds hit their brakes at the same time, but truck has three times the acceleration as truck . Question:If truck B stops in time T, how long (in terms of T) will it take for truck A to stop?

**psychology**

if there is a positive correlation between the number of computers one possesses and the person’s heart health. what is a third variable (X) that may explain this correlation that is a cause of each one of the two variables. If X goes up the number of computers is likely ...

**english**

what logic does jack use to assure the others that there are no large beasts on the island?

**Physics**

An austronaut orbits the Earth in the space shuttle, in one complete orbit, is the magnitude of thr displacement the same as the distance traveled?

**math**

I need help to justify my square root answer. I think if I could have an example that would help me with the rest of my homework. One of my problems is the square root of 31. thx.

**physics**

part 1 Simpson drives his car with an average veloc- ity of 47.5 km/h to the east. How long will it take him to drive 137 km on a straight highway? Answer in units of h part 2 How much time would Simpson save by in- creasing his average velocity to 105 km/h to the east? Answer...

**physics**

How much time would Simpson save by in- creasing his average velocity to 105 km/h to the east? Answer in units of min

**physics**

It takes you 9.7 min to walk with an average velocity of 2.2 m/s to the north from the bus stop to the museum entrance. How far did you walk? Answer in units of m

**College statistics**

Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students. The result for Unive...

**chemistry**

The density of brass is 8,600 kg/m3 or 8.6 g/mL. You have 2 kg of brass. What is the volume?

**Math**

35x+3150-30x=3420 5x=270 x=270 Row 1 54 seats Row 2 51 seats

**Math**

At the Sacramento Monarchs home games, Row 1 seats cost $35 each and Row 2 seats cost $30 each. The 105 seats in these rows were sold out for the season. The total receipts for them were $3420. How many of each seat were sold?

**Algebra 1**

Find the distance between the pair of points (-8,2) (-9,5). Express as a decimal approximation rounded to the nearest hundredth if necessary.

**Finance**

Johnson Motors’ bonds have 0 years remaining to maturity. Interest is paid annually, the bonds have a $1,000 par value, and the coupon rate is 8 percent. The bonds have a yield to maturity of 9 percent. What is the current market price of these bonds?

**chemistry**

Which of the following can be classified as a pure compound? Choose one answer. a. iodine, I2 b. sugar, C12H22O11 c. mercury, Hg d. alcohol in water, C2H5OH in H2O e. carbon, C

**History**

I need help on this also :(

**Physics**

Hi, I have this question, except I don't know to solve. I think it has something to do with exponential decay and heat flow, but I would like some more help. "3 kg of ice and a 12-pack of ice-cold soda are placed in a 25" x 25" x 40" (outside dimensions...

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