# noah

Newest questions posted by noah-
## Algebra

Consider the monomials 15 and 6 . a. Factor the monomials. b. What factors of these monomials are common factors? c. Find the greatest common factor of 15 and 6 . -
## Algebra

Consider the equation x 15 = 40. a. Describe how to solve the equation. What is the solution? b. Does x + ( 15) = 40 have the same solution? How do you know? -
## Math

The art teacher bought some boxes of colored pencils with 7 pencils in each box. She bought a total of 28 pencils. Write an equation that you could use to find how many boxes the art teacher bought. -
## math

The data in the table illustrates a linear function. x, -3,0,3,6, y, -6,-2,2,6 -
## math

Simplify 4! -
## history

Which pull factor would most likely encourage an immigrant who wanted to raise and sell cattle in the United States A)industrial jobs B)inexpensive land C)the promise of freedon D)expensive land in home country -
## Math

A large university is interested in learning about the average time it takes students to drive to campus. The university sampled 238 students and asked each to provide the amount of time they spent traveling to campus. This variable, travel time, was then -
## history

Explain why Lincoln's assassination put the future of the nation in question. -
## Social studies

“What kind of arrangement is agreed to in this contract?” -
## math

Nico is saving money for his college education. He invest some money at 5%, and $1600 less than that amount at 3%. The investments produced a total of $144 interest in 1yr. How much did he invest at each rate? -
## spanish

explain the significance of the song guantanamera -
## Math

I really need help with unit 5 lesson 14 Equations and inequalities unit test I have been working on this for days but I just don’t get it -
## Physics

Find the de broglie wavelength of a 1500-kg car when its speed is 80 km/h. How significant are the wave properties of this car likely to be? -
## Physics

Can someone tell me what the mass of mars is compared to the earth? Mars mass is 6.39 × 10^23 and Earth mass is 5.972 × 10^24 thanks. :3 -
## Math

How many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlaping? -
## algebra

Rearrange the formula KE = 1/2 mv^2 for m -
## math

Which number can be added to a rational number to explain that the sum of two rational numbers is rational? a: pi b: 3 7/8 c: square root of 8 d: square root of 47 -
## Physics

A rocket that weighs 7840 N on earth is fired. The force of propulsion is + 10 440N. Determine a) the mass of the rocket, b) the acceleration of the rocket, c) the velocity of the rocket at the end of 8.0 s. -
## math

Beth leaves her home on her bike, traveling down a long country road, at the rate of 8 mph. Her brother, Brandon, left 15 minutes after Beth on his golf cart along the same country road, traveling 12 mph. How long will it take Brandon to catch up with -
## algebra

When using the big hose and the small hose, Sam can fill her pool in 15 minutes. The small hose when used alone takes 60 minutes to fill the pool. How long would it take Sam to fill her pool using only the big hose? Don't understand how to set up equation. -
## Calculus

My question is with a multi-part homework assignment that we got in class. The information given is : A factory manufactures widgets. The rate of production of widgets after t weeks is widgets/ week. The equation for this is dx/dt=30(1-(20/((t+20)^2))). -
## Physics

1)We consider a hot-air balloon of mass 251 kg (basket and envelope). The spherical envelope of the balloon has a diameter of 19 m when fully inflated. To what temperature (in °C) must the enclosed air be heated for the balloon to carry five standard men? -
## geometry

A rectangle has a length that is 2 less than 3 times the width. If the perimeter is 84, find the dimensions of the rectangle. -
## geometry

Help!!! Line segment EF in the xy-coordinate plane has endpoints with coordinates (-4,9) and (6,4). What are two possible locations for point G so that G divides EF into two parts with lengths in a ratio of 1:4? -
## geometry

I have no clue to this. Please help. Line segment CD has endpoints with coordinates (1,2) and (9,6). What is the location for point E so that E divides CD into the ratio 3:1? -
## Math

Write the ratio in simplest form. 50:10 A.25:5 B.10:2 C. 5:1 D.1:5 Is the answer C? -
## math

you have an account which pays 10.4% annual interest, what is the minimum amount which must be invested to have $4,000 in 11 years, assuming you compound a. daily b. continuously -
## Math

If 1 bag of mulch covers 2 cubic feet, how many bags of mulch do you need to cover a garden three inches thick, eight feet long, and four feet wide? -
## Chemistry

I know this is pretty general, but it is the question. What can you say about the energy spread of the radiation emitted by an atomic gas? -
## Physics

An organ pipe that is open a t both ends has a fundamental frequency of 382 Hz. What is the length of an closed end pipe that has a fundamental frequency exactly one octave higher? Report your answer in m. -
## partail fraction-maths help!plz

x^4+3x-2/[(x^2+1)^3(x-4)^2]=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+Ex+F/(x^2+1)^3+G/(x-4)+H/(x-4)^2 find A,B,C,D,E,F,H thank am tired of solving holy jesus!!! -
## Math

What shape has 21 faces and 14 vertices -
## algebra

Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x). x f(x) = 2.5x − 10.5 g(x) = 64(0.5x) 2 3 4 5 6 -
## Mathematics

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 16. The material is considered defective if the breaking strength is less than 156.2 pounds. What is the probability that a single, -
## Math

Y=5sin(3.14(x-3.14/4)) -
## math

can someone tell me why 9/15 is equivalent to 3/10 I cant seem to figure it out,?? -
## Psychics

a ball is projected horizontally from the edge of a table that is 2.00m high and it strikes the floor at 2.40m from the base of the table. what is the initial speed of the ball -
## World history

What is the difference between the Sunni and the Shiite Muslims? Why did they split? -
## World history

What role did caliph play in history ? -
## math

the ratio of gas to ethanol is 17 to 3, how much ethanol is in 600 gallons of mixture -
## PreChem

Classify each of the reactions. precipitation, acid-base neutralization, redox C2H4(g)+3O2(g)----> 2CO2(g)+2H2O(l) Cu(s)+FeCl2(aq)---->Fe(s)+CuCl2(aq) HI(aq)+LiOH(aq)---->H2O(l)+LiI(aq) -
## Chemistry

Consider the following description of a voltaic cell: A 1.0 M solution of Ni(NO3)2 is placed in a beaker with a strip of nickel metal. A 1.0 M solution of SnSO4 is placed in a second beaker with a strip of Sn. The two beakers are connected byba salt bridge -
## Chemistry

a solution of 25 ml of HCL is neutralized by 42.5 ml of 0.10 M concentration of NaOH.Need to write a balanced equation for the reaction -
## math

Two people start from the same point. One walks east at 4 mi/h and the other walks northeast at 3 mi/h. How fast is the distance between the people changing after 15 minutes? (Round your answer to three decimal places.) -
## physics

hummingbirds beat their wings 1500 times in 30seconds calculate frequency and the period -
## Chemistry

when electricity is passed through water, the water decomposes into hydrogen gas and oxygen gas. when 10.00 kg of water were decomposed this way, 5788 l of oxygen gas were produced at 25 degrees celsius and 1 atm pressure. what is the percent yield of -
## Chemistry

If the density of ethyl alcohol is 0.789 g/mL, how many quarts can be produced by the fermentation of 100.0 lb of sugar? -
## physics please help

Two carts with masses of 4.20 kg and 2.44 kg move toward each other on a frictionless track with speeds of 4.92 m/s and 3.87 m/s respectively. The carts stick together after colliding head-on. Find the final speed. -
## Business Statistics

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long (The Wall Street Journal, -
## science

the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons -
## science

the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons -
## chemistry

If you mix 50 grams of NaHCO3 in 2.0 liters of water, calculate molarity & molality -
## geometry

My problem is with a parallelogram that has three numbers which are 88 degrees,104,and 80. Then the fourth on is 8x minus 2 how do I slove this -
## math

suppose that a, b, c ,and d are positive integers whose sum is 100 and a-c=5.What is the greatest possible value of ab-cd answers -
## Math

Stefan drove 558 in 9 hours. He then drove 120 miles in 3 hours. What was Stefan's average speed for the whole trip??? -
## social studies

did germany take over sweden in WW2 -
## physics

What is the maximum current allowed in a 7.5 W, 300 resistor? -
## health

Nearly ________ of the heat produced in the body is the result of muscle contraction. A. 55 percent B. 65 percent C. 75 percent D. 85 percent i think its D -
## physics

Imagine a spring floating in space. This spring has a very small length when it is unstretched. The spring constant for this spring is 4.2 N/m. Now place 2.6 μC charges on each end of the spring, and allow it to stretch until it reaches a new -
## health

t is recommended that a person ________ to manage and reduce stress. A. Talk to family and friends B. Eat more frequently C. Beat oneself up D. None of the above i think its A -
## health

You can find ways to manage stress by ________. A. Keeping what’s causing your stress to yourself B. Dismissing any signs of stress C. Pushing yourself to work harder D. Getting active and eating healthy i think its B -
## health

hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its -
## health

Extreme efforts to lose weight among teenagers can lead to ________. A. Obesity related illnesses B. Eating disorders C. More energy D. High self-esteem i think its b -
## health

What type of questions should a patient ask a doctor before getting cosmetic surgery? A. How many years has the doctor performed the surgery B. Who administers the anesthesia C. In which state is the doctor licensed to practice surgery? D. All of the above -
## health

What can a parent do to help their child develop a positive body image? A. Watch television with their child and discuss the media images that they see B. Criticize the child for what he or she eats C. Force the child to exercise without breaks D. Withhold -
## health

In order to lose weight you have to ________. A. Burn more calories than you consume B. Eat less C. Burn less calories than you consume D. Eat more i think its b -
## helath

If you’ve decided to lose weight then ________. A. Even modest weight loss can lead to big health benefits B. Modest weight loss can lead to little health benefits C. Large weight loss can lead to little health benefits D. Little weight loss can lead to -
## physics

A sonar signal of frequency 1.00 106 Hz has a wavelength of 1.40 mm in water. (a) What is the speed of the signal in water? (b) What is its period in water? (c) What is its period in air? -
## physics

Water waves in a lake travel 4.5 m in 1.7 s. The period of oscillation is 1.2 s. (a) What is the speed of the water waves? (b) What is their wavelength? -
## physics

An ocean wave has a length of 12.0 m. A wave passes a fixed location every 2.0 s. What is the speed of the wave? -
## math

I have rabbits abd chickens. Between them, I count 35 heads. How many rabbits and how many chickens do I have? -
## Math

if jan has 7 stickers and her brother gives her 6 more how many does she have in total? which double fact can you use to figure out how many stickers she has -
## math

You have 60 red socks and 30 blue socks unpaired in a drawer. You can not see the socks, they are in a drawer and it is dark. What is the minimum number of socks that you have to pull out before you have a matching pair? -
## math asap

10+3(1+p)= -
## physics

A 2.2 kg rock initially at rest loses 412 J of potential energy while falling to the ground. Assume that air resistance is negligible. Calculate the kinetic energy that the rock gains while falling. What is the rock's speed just before it strikes the -
## physics

A 17 kg rock, m, is on the edge of a 105 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible. What speed does the rock have as it strikes the ground? -
## physics

How much potential energy does DeAnna with a mass 57.0 kg, gain when he climbs a gymnasium rope a distance of 3.7 m? -
## math

What is the least common denominator for the fractions 5/27 and 5/36 ? -
## Physics

A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. -
## Physics

Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 72100 kg spacecraft by 63 cm/s, how long should it be fired? -
## physics

A 0.201-kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.105 kg, which is moving along the same line at a speed of 0.10 m/s. After the collision, both balls continue moving in the same, original direction. -
## asap please

How many 4/5s are in 1 ? Isn't the answer 5/4 ? -
## math asap

Rolling a number cube once what is the probability of rolling a number greater than 4 ? -
## math asap

How many 4/5 are in 1 ? Is the answer 5/4 ? -
## math

How many 4/5 are in 1 why wouldn't the answer be 5/4 ? -
## math

Rolling a number cube once what is the Probability of rolling a number greater than 4 ? -
## 7 th grade math

How many 4/5 are in 1 ? -
## math

(5)(5+5)= I got 25 is it right or is it 50? -
## physics

A student librarian picks up a 2.2 kg book from the floor to a height of 1.05 m. He carries the book 8.3 m to the stacks and places the book on a shelf that is 0.35 m above the floor. How much work does he do on the book? -
## physics

A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the horizontal. If 63.0 W of power is developed for 90.0 s, what distance is the roller pushed? -
## physics

A hockey puck has a mass of 0.118 kg and is at rest. A hockey player makes a shot, exerting a constant force of 28.0 N on the puck for 0.16 s. With what speed does it head toward the goal? -
## math

What fraction = .40625 -
## physics

A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration? -
## math

If the diameter of a circle is half of a yard then its radius is how many inches? -
## algebra

using substitution how to solve x + 4y = 8 2x + 5y = 29 -
## Physics

An airplane flies due south at 185 km/h relative to the air. There is a wind blowing at 68 km/h to the east relative to the ground. What are the plane's speed and direction relative to the ground? -
## Physics

A powerboat heads due northwest at 11 m/s relative to the water across a river that flows due north at 5.4 m/s. What is the velocity (both magnitude and direction) of the motorboat relative to the shore? -
## Math

A 605-kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration? -
## math

What is the rule for this function? Input 1 output 3 Input 2 output 5 Input 4 output 9 Input 5 output 11 Input 10 output 21 Input 12 output 25 Please help thanks -
## math

What is the rule for this function? Input 1 output 3 Input 2 output 5 Input 4 output 9 Input 5 output 11 Input 10 output 21 Input 12 output 25 Please help thanks

## Pages

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