# Posts by Ricky

Total # Posts: 135

**Algebra **

The perimeter of a triangle is 60 cm. The longest side exceeds the shortest one by 10 cm.and the sum of the lengths of the longest and the shortest ones is twice the length of the other side. Find the lengths of the sides.

**Calc**

I stil do not understand problem two

**Calc**

Verify that the trigonometric equation is an identity. 1/2 sin 2 x ? sin^2x over sinxcos2x = 1 over sinx+cosx Verify that the trigonometric equation is an identity. cotx over 1-sinx =secx(cscx+1) Can someone please Help!!! these are so hard for me to understand Thank you

**Ellison**

A cylinder that contains methane gas is kept at a temperature of 15°C and exert a pressure of 7atm.If the temperature of the cylinder increases to 25°C,what pressure does the gas now exert?

**Algebra**

Given: f(x) = 8-4x A. Find f(-2) f(2) = 8-4(-2) B. Find x, when f(x) = 8 8-4x = 8 C. Graph the function. ( a graph that has 20X and 20Y as the max numbers) D. State the domain and range of the function. (confused on what to do here) E. Use the graph to find x, when . Show ...

**Math**

(3?5)?4?(14?2)=12

**math**

an airplane travels 750 miles in 1 hour and 45 minutes. what is the average velocity of the plane?

**Algebra**

6 and 2?

**Math**

Na bruh, it doesnt. Area of small: 50.3 Area of big: 452.4 50.3*3 doesnt equal 452.4

**Math**

12.5/100 * 0.5/0.75= 0.083333333 remember that percent is out of a 100.

**math**

Multiply, both the numerator and denominator by anything and it will still be the same ratio

**plz check on math 6th grade**

Find the circumference 2*pi*14= 88 approx Then 440/88 = 5 approx

**Math**

Formula: 3.14*R^2 R=8/2 R=4 Answer B

**Math**

90-48=42 Complementary angles add up to 90

**MATH**

I=PRT 600=2000*0.06*t find t

**Math**

K+M=100 M-30=9(K-30) Solve simultaneously Karen=34 Mother=66

**Math**

The first 4 numbers are the answers

**Math**

Completely bemused, do not know how to get the answer. a)8π b)7√2 c)27√π d)7√×7√×1 13- Determine the exact total surface area of a sphere with radius 2√2 metres. a) An inverted cone with side length 4 metres is placed on top ...

**math**

12/60 are puppies. 60 are the number of dogs, 12 is number of puppies. If there are 1200 dogs, we focus on the 60. 1200/60= 20 Whatever we do to the denominator we do to the numerator, so since we can multiply 60 by 20 to get 1200; we need to multiply 12 by 20 to get the total...

**Math**

Width= 4*1.33= 5.33?

**math**

18 mm long in kilometers

**geography**

what is the capital of fiji

**Physics**

two stars with equal mass of 4.0x10^15 kg are separated by a distance of 2 km. They are moving in circular obits around the middle between the two stars. What is the speed of the stars?

**Art Please HELP!**

I think the answer is A but I don't know PLEASE HELP! Thanks

**Art Please HELP!**

In addition to skills in creating art, which type of knowledge is important for art therapist to have to successfully perform their jobs? A. Knowledge of Physical Therapy B.Knowledge of Psychology C.Knowledge of teaching Strategies D. Knowledge of Art History

**physics**

parallel

**Math 5. Grade**

Trying to figure out how to find the answer. A rectangular has a perimeter of 3600m. What is the width if the length is five times the width? How do I do this.

**English**

I am working on writing a paper. We have to use MLA format. I am a little confused on how to site my sources. I wrote the following paragragh: Panama Canal is an international waterway located across the Isthmus Panama. The Canal was built by the United States. Building ...

**grammar**

D.

**math**

I have a math question.two fielda ats state park are 1000 meters from each other.on a map,the two fields are 8 centimeters apart.What scale is the map using?is it the metric scale??

**Chemistry**

How many molecules are in 0.923 mol of selenium tetrabromide?

**math (4th grade)**

What fraction of the tiles are yellow or purple? Not the word "AND" so answer is 1/6 or 1/2

**math (4th grade)**

1/6 or 1/2

**social studies**

If u travel o degrees latitudes, 0 degrees to 30 degrees north latitude, 120 west longitude u will have travel from

**phi**

Midgley analyzes the position that each society is a separate culture with its own values. This position is known as

**Chemistry**

that should be 261 tons x 2000 lb x 0.014 x (Ar Hg/Mr (CH3)2Hg)

**Algebra**

Thanks a lot Steve.

**Algebra**

Scott set up a volleyball net in his backyard. one of the poles, which forms a right angle with the ground, is 6 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 8 feet from the bottom of the pole. To the nearest tenth of a foot, find the ...

**calculus**

The velocity of a skateboard is v(t) = t^2 - 4 t + 3 m/s when moving in a straight line. A. Find the the change in displacement of the skateboard between 4 seconds and 6 seconds. (Note this may or may not be negative, meaning it goes in the opposite direction, if so then be ...

**calculus**

\int_{4}^{13} f(x) \,dx - \int_{4}^{11} f(x) \,dx = \int_{a}^{b} f(x) \,dx where a= and b= .

**calculus**

A long narrow piece of land gets flooded each year by a river. The flooded area is in the shape of the area under the curve y = 2.3 x^3 and above the x-axis, for 0 \le x \le 3.2. All the distances are in metres.

**calculus**

a. The value of \displaystyle \int_{-2}^{-1} \frac{14}{ 4 x } dx is b. The value of \displaystyle \int_{1}^{2} \frac{14}{ 4 x } dx is

**calculus**

The following definite integral can be evaluated by subtracting F(B) - F(A), where F(B) and F(A) are found from substituting the limits of integration. \int_{0}^{4} \frac{1600 x +1200 }{(2 x^2 +3 x +1)^5}dx After substitution, the upper limit of integration (B) is : and the ...

**calculus**

Ice cream drips out of the bottom of an ice cream cone on a hot day at a rate of r(t) mL per second, as a child eats it slowly, where t is in seconds. If r(t) = 10 e^{-k t}, complete the definite integral expressing the quantity of ice cream lost in the first 3 minutes(s). (...

**calculus**

At a summer campfire, the radius of a marshmallow on a stick expands at the rate of \ {r ' (t)} = \frac{2.1 }{1 t + 5} mm/s where t is the time of heating in seconds. Initially the radius was 3.8 mm. Find the radius after 27 seconds using the following steps: When ...

**calculus**

Find the area of the region under the curve y = 16 e ^{4 x} between x = -1.4 to x =1.4 .

**chemistry**

5.3L

**math**

Twenty years ago Gabe invested $2,000. For the first ten years he earned 13% compounded semi-annually. For the next ten years he earned 8% compounded quarterly. What was the value of the investment now, at the end of the 20 years?

**Fluid Mechanics-physics**

0.85m³

**statistic**

an employment information service reports that the mean annual salary for full time male workers ages 25 to 34 with a bachelor's degree is $48718. in a random sample of 12 full time males workers ages 25 to 34 with a bachelor's degree, the mean annual salary is $47164 ...

**Geometry**

-4/5

**electricity**

A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque on the loop in N-m?

**compemtary math**

Now, using the new table factor from the previous question, calculate the compound amount for the $10,000 investment.

**word problem**

juan bought 12 oranges and ate 1/4 of them carla bought 12 oranges and ate 1/3 of them . which ate more

**math**

70.2

**math**

Jeff bought a refrigerator for $1300. He made a 10% down payment and financed the rest at 6% for one year. How much interest did he pay?

**us government**

A person in Michigan applying for a job in Alabama can expect not to be discriminated against because of the ___________ Clause.

**Physics**

the correct equation is this: (.06)(225) = (5)(v) - (.06)(75) momentum is conserved. total momentum is equal to the momentum of the block minus the momentum of the bullet. you subtract because the two objects move in opposite directions.

**physics**

A 6.0 Kg object undergoes an acceleration of 2.o m/s squared. what is the magnitude of the net external force acting on it?

**math**

Keisha had two pieces of ribbon of equal length. She cut the first piece of ribbon into 15 equal parts. She also cut the second piece of ribbon into equal parts. Nine parts of the first piece are equal in length to 3 parts of the second piece. Into how many parts did she cut ...

**chem**

Which has the lowest freezing point?Select one of the options below as your answer: A. pure water B. 0.5 M ionic NaCl C. 0.5 M ionic CaCl2 D. 0.5 M ionic AlCl3 E. 0.5 M molecular C12H22O11

**matttth help please**

a)FV=1,000,000 i=10.2/12= 0.85= 0.0085 n=40•12=480 FV=R[(1+i)^n-1/i) 1000000=R[(1.0085)^480-1/0.0085] R=1000000/[(1.0085)^480-1/0.0085] R=148.77 b)FV=1000000 i=5.1/12=0.425=0.00425 n=480 R=1000000/[(1.00425)^480-1/0.00425] R=638.38

**U.S. History**

Oh, I read that wrong, misunderstanding. Sorry. Thanks a bunch!

**U.S. History**

So, do you think that it is severe drought? Because I think speculative stock purchases and risky banking practices were causes of the Great Depression.

**U.S. History**

Which one of these was not the causes of the Great Depression? excessive income taxes speculative stock purchases risky banking practices severe drought I think it is excessive income taxes or severe drought. But I don't think it is severe drought because of the Dust Bowl...

**phy**

Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.

**science**

How do the atmosphere, lithosphere and hydrosphere interact with each other?

**Bussiness**

The market for carrots is comprised of two segments: fresh market carrots, which have excellent, uniform color and a small core, and processing carrots, which are larger than fresh market carrots but still have good flavor, color, and sweetness. Annual data for the years 1983...

**writing**

I want to know what is wrong in the following sentence: After six months on the job, he faced problems in his first recruitment effort; however, if he solves these problems, the new hires should be able to start working by July.

**economics**

An economist for a bicycle company predicts that, other things equal, a rise in consumer incomes will increase the demand for bicycles. This prediction is based on the assumption that:

**economics**

Suppose that the free market labour supply and labour demand equations are given by Qs = 5W and Qd = 30 - 5W. If the minimum wage were set at $2.50 an hour, how many people would not be able to find work?

**6th grade math-ms. sue**

use the diagram to find the measures of each inicated angle. <dec

**Math**

In a survey of 624 students, 60% more preferred getting news online to getting news on tv. How many students prefer getting news online. I started with the equation 1.6x+x=624, but I don't know if this is the right set up or right idea. Any help is appreciated!

**physics**

a comet experiences a uniforn acceleration from 60m/s to 183m/s what is the rate of acceleration?

**poetry**

Write me acrostic if u can please

**poetry**

Narrative ,free verse, limerick,acrosstic poems about soccer

**maths**

find the general solution of the following first order differential equation. t*(dy/dt) = (-y/t) + ((exp(1/t)/t^3) could you show steps in working to solution.

**Adv algebra**

The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq.

**WRiTinG**

thank you :) but is the paragraph flowing well?

**WRiTinG**

does this paragraph have a good flow? “Nothing is a waste of time if you use the experience wisely.” – Rodin. Time management is the process of exercising conscious control over the amount of time spent on specific activities. I, too, once had been a control ...

**Algebra**

The equation x^2+px+q=0, q cannot be equal to 0, has two unequal roots such that the squares of the roots are the same as the two roots. Calculate the product pq. I think the obvious root would be one but the second roots i just can't figure out!

**Math**

Yes

**writing**

but is the essay going on the right path?

**writing**

I was wondering if in this paragraph I was going off topic, plz help, maybe give me some pointers? Im not finished with the paragraph but that's what I have so far and need someones opinion... Compassion is like handing a piece of your heart to another person out of love ...

**physics**

a) V= 19.92 m/s b) V= = 13.31 m/s

**Math**

In how many different ways may the four officers be seated?

**Physics**

A dockworker loading crates on a ship finds that a 19-kg crate, initially at rest on a horizontal surface, requires a 70-N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a constant ...

**math**

3b-9-8b=11

**physics**

A truck is traveling at 19 m/s to the north. The driver of a car, 460 m to the north and traveling south at 26 m/s, puts on the brakes and slows at 3.5 m/s2. Where do they meet?

**math**

Solve 5 divide by 6 plus 1 divide by10

**Physics**

Pbefore = Pafter (m1v2)+(m2v2) = (m1v2)+(m2v2)

**Physics**

A Ferris Wheel, 24.0 m in diameter, rotates once every 12.5s. What is the fractional change in a person's apparent weight: a) at the top, and b) at the bottom? I need to know if I'm doing this right. Here's my work: Equation Used: Net Force = [(4(pi)^2)(R)(M)] / [T...

**Physics**

#1.) A wind turbine has a Cp of 0.42 and extracts 50 kW of power when the wind velocity is 25 m/sec. How long are the blades? (ρ = 1.2 kg/m3) #2.) An electric hot water heater is used to heat 30 gallons of water from 20 °C to 45 °C. a. What heat energy is required...

**english**

Mikes car needs a new muffler and new brakes. (Which word needs an aposterphy?)

**Chemistry**

At 298.K and 1.00 atm, assume that 22 mL of NO gas reacts with 18 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2 NO(g) + 3/2 O2 (g)+ H2O(l)?? 2 HNO3(g). If all of the nitric acid produced by this reaction is collected and then ...

**math**

what numbers have both of the given numbers as factors 3 and 5

**Math**

How many numbers between 1 and 1000 that has the #2 as its only factor

**Algebra**

What is the inverse of y = 4x - 2? Is it y = 1/4x - 1/2 If that is wrong, can you direct me towards the right answer or how to find it Thank you

**algebra with pizazz pg 40 riddle**

haha im doing the same worksheet and i can not find the stupid answer anywhere if you put down (they fascinate) you are missing an S that i do not know where it goes.!

**math**

The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.