# Posts by james

Total # Posts: 2,479

**algebra**

The length of a rectangle is 5 inches longer than its width. Its perimeter is 45 inches. Let w equal the width of the rectangle. Write an expression for the length in terms of the width. Use expressions for the length and width to write an equation for the perimeter, on the ...

**psy/300**

How does sensation and perception affect learning?

**physics**

find the apparent weight of a 18 cm by 12 cm by 6 cm block of concrete with a mass of 1.82 kg that is submerged under water.

**physics 2014**

An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 19.8 km, and 23.0° south of west. The second aircraft is at altitude 1300 m, horizontal distance 17.8 km, and 18.0° south of west. What is the ...

**Mathematics**

A shopkeeper mixed coffee powder worth $2.50 per kg with coffee powder worth $3.50 per kg, and sold 20 kg of the mixture at $2.80 per kg. Find the weights of the 2 grades of coffee powder that he mixed together. Explain clearly your steps of solving it.

**psy/300**

how does sensation and perception affect learning?

**algebra**

Thanks so much for your help!!

**algebra**

if one bus stops at the library every 60 minutes, and the other bus stops at the library every 45 minutes, how long will it take for both buses to be at the library at the same time?

**math**

Bob sets two alarm clocks (battery-powered) to be sure he arises for his Monday 8:00 A.M. accounting exam. There is a 75 percent chance that either clock will wake Bob. (a) What is the probability that Bob will oversleep? (b) If Bob had three clocks, would he have a 99 percent...

**Math**

Given P(A) = .70, P(B) = .30, and P(A ∩ B) = .00, find (a) P(A ∪ B) and (b) P(A | B). (c) Sketch a Venn diagram and describe it in words

**Math**

Solve for x: 5x−5>10x+6

**Math**

It took mike 2 2/5 hours to drive home. His sister drove same distance in 3/8 of mikes time how long did the drive take mikes sister?

**Math**

It took mike 2 2/5 hours to drive home. His sister drove same distance in 3/8 of mikes time how long did the drive take mikes sister?

**Math**

Thanks

**Math**

Put these numbers from least to greatest. -21, 60, -62, 9

**algebra**

WHAT DO YOU CALL A DUCK THAT STEALS?

**pre calculus**

Use properties of logarithms to find the exact value of the expression log_7 (343 * 7^15)

**pre calculus**

Thank you!

**pre calculus**

Write the expression below as a single logarithm. Need to know how to work this! ln(x-5/x^2 - 1) - ln (x^2 - 2x -15/x + 1)

**geometry**

Suppose CED = DBC. If m<EDC=63 degrees and m<DBC=82 degrees, what is m<DCE? Possible answers are 63, 82,145 or 35 degrees. GHF = LJK by HL? if so state all of the congruent parts that allow the use of HL. Possible answers Yes, <G= <L, GH=LJ,HF=Jk Yes, <g=<...

**geometry**

B is the midpoint of AC, D is the midpoint of CE, and Bd=14. find AE. B is the midpoint of AC, D is the midpoint of CE and BD=7. Find AE.

**precalulus**

use the intermediate value theorem to show that f(x) has a zero in the given interval. f(x) = -x^5 -2x^4 + 5x^3 + 4; [-0.9, -0.8] Stuck!

**Physics**

Entire esrth

**Chemistry**

how many moles of chlorine gas are required to react with 164 g of Br

**earth**

Rocks that become hot enough to melt and flow are referred to as ___ by scientists

**stats**

using a calculator need p value on a r tailed test if the n=9 and the t is 3.204

**math**

4 1/2

**math**

6 x 3/4 =

**math**

3/5 + 6 2/3 =

**chemistry**

What mass of calcium carbonate is precipitated out when 2.20 g of ammonium carbonate is added to 25.7 mL of a 4.00 M solution of calcium nitrate?

**V/CV OR VC/V PATTERN**

is tyrant a v/cv pattern or a vc/v pattern

**English**

web sites.

**Spanish**

I think I was suppose to put "A mí" in front of each of the responses, correct?

**Spanish**

I was asking if I said those parts correctly-

**Spanish**

I had to post the rest of my homeowrk here because it kept saying there was something wrong when I tried to put all the questions together Thank you very much for helping

**Spanish**

Tell which body part hurts after doing the activity 1.Listen to too much music Me duelen las orejas. 2.The exam was difficult.Me duele la cabeza. 3. Sat in the sun for 4 hours Me duele el cuerpo. 4.Talked and drank too much yesterday Me duele la garganta. 5.Escribiste Mucho en...

**Spanish**

I think I was suppose to put "A mí" in front of each of the me duele/me duelen responses or isn't it required? Thank you

**Spanish**

I had to tell what body part hurts after doing the following activity 1.watching too much television Me duelen los ojos. 2.Eat too much candy Me duele el estomago. 3. drank too much after I ran Me duelen las piernas y pies y el estomago. 4. I walked ten miles Me duelen las ...

**math**

Determine the least possible value for B to the nearest tenth if A = 20°, a = 7, and b = 11.

**math**

The terminal side of an angle theta in standard position coincides with the line 2x – y = 0 in Quadrant III. Find cos theta to the nearest ten-thousandth.

**math**

Determine the number of possible solutions if A = 48°, a = 5, and b = 6.

**math**

Find the measure of the reference angle for 235°.

**math**

Identify the coterminal angle between –360° and 360° for the angle –120°.

**math**

Give the angle measure represented by 0.5 rotation clockwise.

**Chemistry**

Find the pH during the titration of 20.00 mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54e-5), with 0.1000 M NaOH solution after the following additions of titrant: 0 mL, 14.00 mL, 19.95 mL, 20.00 mL, 20.05 mL, 24.00 mL.

**physics**

67 joules. Gravitational potential energy becomes kinetic energy when falling.

**Physics**

X = (V COS?)t = 15*cos30*2 = 25.98

**Math**

Fan and Dan took part in a 1000 meter competition. When Fan was at the 800 meter mark, Dan was 300 meters away from the finish line. How many meters away from the finish line was Dan when Fan crossed the finish line?

**chemistry**

a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.

**broward college**

will result in less people buying the product, a surplus of the product, the company reduces its price and therefore its supply....to make the supply within a closer ratio between supply:demand therefore allowing its company to sell the goods at the base price ...but the ...

**Math**

1,217 ft^2

**3rd grade math**

I definitely know the answer to that one, luis. It's probably around 58,007,450 packages of ribbon.

**Math**

Lalph Rauren was famous for discovering potential models as he walked the streets of New York. One day he spotted four girls who later became top models: Amy, Mary, Kay, and Beth. One was discovered walking through an apartment building, one in a coffee shop, one in a shopping...

**Geometry**

what is the lateral area of a regular pyramid with a 6 inch width and a 8 inch height

**physics**

Metallica

**English**

Please tell me the meaning of the sentence below: "Everyone but 4 people voted for Menu I." Remember tha we hve two menus to choose from. Thanks.

**Math**

How many compounding periods are in a 5 year loan compounded semiannually? (a) 10 (b) 5 (c) 2.5 (d) 15 (e) 20

**Math**

How many compounding periods are in a 5 year loan compounded semiannually? (a) 10 (b) 5 (c) 2.5 (d) 15 (e) 20

**ENGLISH**

Due to the large storm approaching, three students, Jamie, Lisa, and I, were allowed to leave early.Pronoun

**Astronomy**

Explain how you could determine, given the following 3 pieces of information, (you need all 3 together not each one individually) the radius of the Earth. 1) Jakarta and Port Moresby, the capital of Paua New Guinea, are two cities on the equator. 2) A plane leaves from Port ...

**Astronomy**

How many degrees of longitude does the Sun move in each hour?

**chemistry**

a solution of lead(2)nitrate is added to hydrochloric acid. A precipitate is formed in a double displacement reaction Question:how to balance this equation problem

**Finance**

Niles is making an investment with an expected return of 12 percent. If the standard deviation of the return is 4.5 percent, and if Niles is investing $100,000, then what dollar amount is Niles 90 percent sure that he will have at the end of the year? A) $100,000.00 B) $104,...

**related rates**

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 8 cm. (Note the answer is a positive number).

**Finance**

You can earn an expected return of 13 percent compounded semiannually. If you invest $400 today, then you would have $ in 22 years

**physics**

A generator uses a coil that has 280 turns and a 0.45-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (an approximation), determine the length of the wire from which the coil ...

**Geometry**

Given that ABC XYZ, mA = 40, and mC = 55, find mY.

**AP physics**

That just confused me more cause it's just asking for Velocity and we haven't talked anything about w or i

**AP physics**

a 5.7 kg ball rolls over the edge of a 4.4 m tall cliff. If the total mechanical energy of the ball is 890 j at the instant that it goes over the edge, how fast is the ball moving? Not sure how to get V when you know TME.

**chemistry**

A balloon is filled with 2.2 cm3 helium gas at 132.4 atm pressure. What will be the new pressure (atm) if the volume is changed to 68.6 cm3?

**chemistry**

A 45.3 cm3 bubble of air at 1 atm pressure is subjected to a new pressure of 4.7 atm. What will be the new volume (cm3)?

**chemistry**

What pressure (atm) is exerted by a column of ethanol 49.0 cm high? The density of ethanol is 0.789 g/cm3 and 9.8m/s2 as your gravitational constant.

**physics**

you are driving a 2520.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...

**physics**

If a coordinate system is set up such that the positive x axis points in a direction 75° above the horizontal, what should be the angle between the x axis and the y axis?

**chmistry**

what substance has the density of .60g/ml

**macroeconomics**

240

**business entr 101**

gig started giganeers to earn a profit but by working hard and increasing his market shares , he was able to create jobs for others. this is an example of ________ concept.

**trig**

if cot 17 degrees = 3.2709, find tan 73 degrees

**physics**

A block is dropped onto a spring with k = 27 N/m. The block has a speed of 3.2 m/s just before it strikes the spring. If the spring compresses an amount 0.13 m before bringing the block to rest, what is the mass of the block?

**math**

26

**Physics**

3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field...

**help please :)**

my name is james ana i think you so much for helping me on my quiz love you baby girl

**jones**

spores are produced in reproductive structure called .

**business law**

California passed a law prohibiting any transport of nuclear waste in the state unless the company doing so is a resident or is owned by resident of California. What kinds of constitional issues do this raised?

**Macomb**

Marie Antoinette was negligently injured by Guillotine. Marie is preparing to file a lawsuit against Guillotine in state court for $23,000 damages as compensation for the private wrong that Guillotine committed against her. Which court in Michigan has the power to hear and ...

**math**

what do penguins eat for lunch

**Chemistry 1**

What answer should be reported, with the correct number of significant figures, for the following calculation: (965.43 x 3.91) + 9413.4136 I got 13189 as an answer. Can someone let me know if this is right?

**Chemistry 1**

What answer should be reported, with the correct number of significant figures, for the following calculation: (965.43 x 3.91) + 9413.4136 I got 13189 as an answer. Can someone let me know if this is right?

**Math**

A triangle has a base of 10 inches and a height of 20 inches. If the area of a triangle is one - half the product of its base and height, what is 20 % of its area?

**Physics**

Cmon man

**Physics**

You have two forces, 106.8 N and 50.8 N. What is their resultant if the first acts upward and the second acts downward? What is the direction of the resultant? What is their resultant if they both act downward? What is the direction of this resultant?

**Physics**

Consider three force vectors ~ F1, ~ F2, and ~ F3 with magnitude 43 N and direction 53; mag- nitude 94 N and direction 162; and magni- tude 59 N and direction 288, respectively. All direction angles are measured from the posi- tive x axis: counter-clockwise for...

**Physics**

Tom the cat is chasing Jerry the mouse across the surface of a table 1.4 m above the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.8 m/s. Where will Tom strike the floor?

**Physics**

A plane flies from base camp to lake A, a distance of 300 km at a direction of 20.0° north of east. After dropping off supplies, the plane flies to lake B, which is 210 km and 30.0° west of north from lake A. Graphically determine the distance and direction from lake B...

**physical science**

Potential energy, as the boy is not in motion and is suspended above the ground. If you wanted to find the energy, the equation is; PE = mgh PE = 30 x 9.8 x 3 PE = 882J

**MATH**

this is really confusing

**physics**

single force equivalent of the two forces is a magnitude of 190.1696 N The direction is 75.9 degrees counterclockwise the force a 3rd person would have to exert to make the net force zero is 188.48 N

**Quantitative Methods in Business**

Do you know where to find this answer?

**buckey trail**

How much time will elapse between seeing and hearing an event that happens 400.0 meters from you and the temp is 20 derees celcius?

**math**

Sam kicks a ball horizontally along a deck that is 5 m above the ground. The ball goes off the edge of the deck. A model for the path of the ball once it leaves the deck is a parabola. The equation of the parabola is y = ax^2+ bx + c. The ball hits the ground at a horizontal ...