# Posts by Kayla

Total # Posts: 1,441

**Math: Word Problem/Percets**

374

**Math: Word Problem/Percets**

Stevie bought a stereo for $220 and put it on sale at his store at a 70% markup rate. What was the retail price of the stereo?

**finite**

In how many ways can this be done?

**finite**

Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3 people from the other 11 members of the committee.

**College Chemistry**

i have no idea. i was given a few conversion factors but i always end up with something that i don't know how to convert

**College Chemistry**

previous answer to problem before this one(relevant in 2nd half of this question): 294.472689amu what would be the mass of 1.36 moles of these atoms? Enter your answer here: ____ g

**math**

Assume that there are 11 girls and 9 boys in the neighborhood club, and a team of 6 is to be selected.How many different teams can be selected if each team must contain exactly 3 girls and 3 boys?

**Math**

Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3 people from the other 11 members of the committee. In how many ways can this be done?

**Math**

Assume that the committee consists of 8 Republicans and 6 Democrats. A subcommittee consisting of 7 people is to be selected. How many such subcommittees are possible if each subcommittee must contain at least 1 and no more than 3 Democrats?

**Math**

Assume that you have 7 dimes and 5 quarters (all distinct), and you select 4 coins. In how many ways can the selection be made so that at least 3 coins are dimes?In how many ways can the selection be made so that at least 3 coins are dimes?

**math-measurement**

divide 3 gallons by 4

**math**

divide 1 yd 4 in. by 5

**math-measurement**

How do i multiply 2 yards 1 foot by 8

**math-measurement**

Multiply 2 yards 1 foot by 8

**math**

Subtract 1 ft 7 in. from 2ft. 2in.

**math-measurement**

Subtract 1 foot 7 inch from 2 feet 2 inches

**science4**

Last one i swear.... If the manatees were able to make 3 adaptions to their body or way of life for their survival, what would they be?

**SCIENCE3**

i still don't know..

**SCIENCE3**

Identify one external feature of the manatee that allows it to live in water. Please help me with this one too!?

**SCIENCE2**

They both eat plants?

**SCIENCE2**

WHY IS THE MANATEE CLASSIFIED AS AN HERBIVORE? PLEASE HELP ME WITH THIS ONE TOO!

**SCIENCE**

LIST TWO ENVIRONMENTAL CONDITIONS THAT MIGHT LEAD TO THE DISAPPEARANCE OF MANATEES FROM FLORIDA'S RIVERS? PLEASE HELP.

**math-measurement**

How do i subtract 20 minutes 45 seconds from 1/2 hour

**help**

Thankyou!

**help**

Can you please give me study links? For angle sum theory, reflection, rotation,translation,Dilation,Complementary,Supplementary,parrell lines with transversal, vertical, cooresponding,alt,int,alt,ext? Do you have any tricks to remember how to do these? NEED TO PASS THIS TEST. ...

**Calculus**

Find the area bounded by y=1/x, the x-axis and the lines y=1 and x=4

**Physics**

If the ball is tossed upward at 20 m/s, how long should it take before it reverses its direction (reaches its maximum height where its velocity is zero)?

**physics**

A person pushes a 17.0 kg lawn mower at constant speed with a force of 74.0 N directed along the handle, which is at an angle of è = 48.0° to the horizontal (b) Calculate the horizontal retarding force on the mower (c) Calculate the normal force exerted vertically ...

**math**

he added 15+16+17... not all even numbers

**calculus**

find the area enclosed by y=x^2 and y=sinx in the first quadrant.

**Math**

40-24=16 16/40= 2/5 spokes

**math**

3 and 1.5

**Math**

the correct answer is 14.50 because you would only have to divied $58 by 4 once.

**Physics**

A spaceship lifts off from the Earth with constant acceleration. 9 seconds into the flight, a small piece of the ship breaks off and falls back to the Earth. If the piece hit the ground 11.5 seconds after breaking off from the spaceship, what is the spaceship’s ...

**World Civilization**

what was the fighting in russia and se europe known as?

**history**

what was the primary goal of president ford's WIN program?

**Social Studies 7R**

i need help with my homework ugh

**math**

FRACTION

**Physics**

A skateboarder, starting from rest, rolls down a 12.5-m ramp. When she arrives at the bottom of the ramp her speed is 6.45 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant.

**consumer math**

The following describes the status of the O'Daniel's budget. A) It is in surplus B) It is in deficit C) It is balanced

**consumer math**

The graph represents the purchasing power if the inflation is 12%. Estimate the purchasing power of a monthly salary of $3000?

**7th Grade English**

Bethany showed perserance by showing that even though she only has one arm she can still do pretty much everything a normal person can do with two arms.

**boaz**

Ray AB bisects angle CAD. Find the value of x. CAB= 15X-25 BAD= 4X+63

**Math**

The bill for a family of four at a restaurant was $ 62. Simon paid $ 72 for the meal and tip. How much was the tip? What percent was the tip?

**math**

Okay so i here is the problem......find the unit rate. I don't remember how to solve for the unit rate. Help me please i have a quiz tomorrow.

**geometry**

Find the area of square QRST with the following vertices Q(-2, 3), R(1, 0), S(4, 3) and T(1, 6).

**math**

Find the values of x that satisfy the inequality -3 > 11 + 2x

**Physics**

I'm so glad I'm not the only one lost in VASTS. What a relief!

**Math**

Juan says, "When you put together unequal groups, you can only add." Is he correct? Explain.

**Math**

To get an A in psychology, a student must score an average of 90 on four tests. Scores on the first three tests were 96,92,88. What is the lowest score the student can make on the last test and still get an A?

**reading**

yes they do

**math**

Yes she has five now, very good u did excellent

**science**

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...

**Physics**

A 0.165-kg ball, moving in the positive direction at 10 m/s, is acted on by the impulse shown in the graph below. What is the ball's speed at 4.0 s?

**physics**

Two rocks sitting in the field are 200m apart. If the two rocks have a mass of 75Kg and 100Kg respectively, what is the gravitional force between them? Answer now pls!!

**Physics**

What is the magnitude of the gravitational field at the surface of a neutron star whose mass is 1.64 times the mass of the Sun and whose radius is 9.1 km?

**Physics Help Please**

You know that kinetic energy is 1/2*mass of box*velocity squared and that potential energy is mass of box*gravity*height. Conservation of energy says that kinetic energy initial plus the initial potential energy = final kinetic energy plus initial potential energy. you set ...

**calculus, math**

Use Newton's method to approximate the value of (543)^(1/5) as follows: Let x1=2 be the initial approximation. find x2 and x3 =? approximation

**Physics**

Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0, but in opposite directions. The two disks are brought slowly together. The resulting frictional force between the surfaces eventually brings them...

**pre algebra**

What is the answer to (-6t^4)(4t^2m^7

**Calculus**

A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $2 per square foot and the metal for the sides costs $7 per square foot. Find the dimensions that minimize cost if the box has a volume of 30 cubic feet. ...

**Physics**

A 2.9-kg 12-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 20 N. (a) Find the magnitude of the torque exerted by the rope. (b) Find the angular acceleration of ...

**algebraic expressions**

there are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato has given 9 pairs of students their 3 magnets. homw many more magents does Mr. Sato need so that each pair of students has excatly 3 magnets.

**Algebra**

Solve 2.3 = -y/2 How do I solve this?

**Geography**

Other people or other countries

**Geography**

What would some consequences be if latin america legalized marijuana for recreational use?

**Culture**

What are some reasons why some people would belive that the Day of the dead celebration is wrong?

**MATH**

i am in 4th grade doing my sisters homework don't ask why but i need help on this question. -- Explain why the cost of an item discounted 20% can be calculated by multiplying the original price by 0.8

**physics**

What acceleration will you give to a 24.2 kg box if you push it horizontally with a net force of 82.0 N?

**Physics**

A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 7.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 24.5 m. Determine the values of m1 and m2.

**math**

4=2/9(4y-2)

**Biology**

An individual can be a carrier for a particular disease yet not have the disease because the disease is recessive. That means to have the disease you need to carry both of the recessive genes of the disease (rr) and to get both the recessive genes your parents need to each be ...

**Physics**

The heating element of a simple heater consists of a 2.2m--long, 0.70mm--diameter nichrome wire. When plugged into a 120 V outlet, the heater draws 7.5 A of current when hot. I found that the wire's resistance when it was hot was 16 ohms. Now using this answer of 16 ohms ...

**math**

linear equations

**Physics**

A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b) What is the speed of the ball?

**Physics**

A 4.6-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.6 m in 4.9 s. Find the coefficient of kinetic friction between the block and plane.

**Science**

what is wrong with teachers now days

**teacher aide**

Name and provide the website address of the National OHS organisation. Visit their website and download a piece of information relevant to your workplace. Please help thanks for your time!

**Physics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.

**Phsics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.

**Physics**

A= 100kg and B=10kg A is on the surface and B is attached to A.

**Physics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless.

**chemistry**

CH4 + 2O2 = CO2 + 2H2O Starting with 13.6 g of CH4, calculate the mass in grams of CO2 produced if there is enough O2 gas to react with all of the CH4

**History**

How does syncretism relate to religious beliefs?

**Physics**

A ball launched from ground level lands 2.7 s later on a level field 50 m away from the launch point. Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.) A. Find the magnitude m/s B. Find the ...

**physics**

A spring has a force constant of 50 N/m. The spring is compressed by 0.4 m. How much energy has the spring stored?

**Maths**

Nathan has a bag of marbles. Half of them are blue.Eight are red & a sixth of them are cat's eyes. How many marbles are in Nathan's bag?

**Math**

`How do you round to the nearest 10's,100's and 1,000's place with 4-digit numbers

**Math**

y+19=9

**4th grade math**

8642

**4th grade math**

8,642

**lit**

Is this right? My friend jumped off the diving board and shouted "look out below!"

**Science**

Spring scale

**english**

When Marcos walked into the room, we turned on the lights and yelled "Happy birthday!"

**physics**

i do not understand that formula bob i got 0.317 what do you get cause mine is wrong

**physics**

An airport has runways only 142 m long. Asmall plane must reach a ground speed of 45 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport?Answer in units of m/s2.

**Culture**

Thank you. Why would someone tell another person that they are a cultural relativist?

**Culture**

Is cultural relativism the same as cultural relativist because when I google search cultural relativist nothing comes up but when I do it the other way there is alot of info.

**writing goals**

how can i achieve my writing goal which is to be more descriptive in my writing can u give me some ideas to achieve this goal?

**physics**

The left ventricle of the heart accelerates blood from rest to a velocity of +26 cm/s. Assume the displacement of the blood is linear and is +2.0 cm c) Determine the acceleration of the blood in cm/s2. d) How much time does blood take to reach its final velocity?