# Alyssa

Newest questions and responses by Alyssa-
## History

Which most accurately describe humanist artistic innovations during the Renaissance? (Select all that apply.) Characters in medieval paintings were two-dimensional and unproportioned, while Renaissance paintings were lifelike and realistic. Nude paintings

*asked on March 22, 2019* -
## Math

Two rectangles have an area of 36 Square inches name to possible parameters for the rectangles

*asked on February 21, 2019* -
## Social Studies

Choose the teachings of Confucius that created Confucianism. Select all that apply. burning paper money the way yin and yang 5 relationships Honoring Elders severe punishments filial piety I think it is 5 relationships and the filial piety

*asked on November 28, 2018* -
## American History

. Why do you think President Wilson worked towards business and government reforms and not many of the social reforms?

*asked on November 5, 2018* -
## American History

What policies did Teddy Roosevelt pursue? Which policies were successful? Which policies were not successful?

*asked on November 5, 2018* -
## Math

An ant walks 30 feet in 6minutes. How long will it take the ant to walk 35yards?

*asked on November 1, 2018* -
## math

Ellen is playing a video game in which she captures butterflies. There are 6 butterflies onscreen, but the number of butterflies doubles every minute. After 4 minutes, she was able to capture 3 of the butterflies.

*asked on May 23, 2018* -
## math

Stock bottle: Benadryl 50mg 720 mL. How many 4 oz bottles can be filled from this stock bottle?

*asked on April 22, 2018* -
## Geography

What is absolute location? A. a precise measure of where a location falls in terms of longitude and latitude using units such as minutes and seconds B. a precise measure of distance around the equator C. a more precise measure of where a location falls in

*asked on January 28, 2018* -
## Pre calc

Evaluate using the Pythagorean identities. Find sinθ and cosθ if tanθ = 1/4 and sinθ >0

*asked on January 19, 2018* -
## History

Where were most of the southern plantations located?

*asked on October 31, 2017* -
## chemistry

How many moles of Pb(SO4)2 are equivalent to 157.9 g of Pb(SO4)2 (Mw. 399.34 g/mol)?

*asked on October 29, 2017* -
## Math

A company did a quality check on all the packs of trail mix it manufactured. Each pack of trail mix is targeted to weigh 9.25 oz. A pack must weigh within 0.23 oz of the target weight to be accepted. What is the range of rejected masses, x, for the

*asked on October 28, 2017* -
## Physics

A box is on a flat plane and has a force of 16 N applied downward to it at an angle of 55 degrees. The box has a mass of 28 kg. What is the minimum horizontal force F needed to make the box start moving in (Figure 1)? The coefficients of kinetic and static

*asked on October 6, 2017* -
## Math

Minta willwithdraw the moneyfrom her bank account when the interest earned is 300 euros. Find the time in years until Minta withdraws the money from her bank account.

*asked on September 27, 2017* -
## College Physics Question

The position of a ball as a function of time is given by x=(5.3m/s)t + (−11m/s^2)t^2 What would be the acceleration of the ball, and the velocity from t=0 to t=1s ?

*asked on September 17, 2017* -
## chemistry

sodium chloride has a molar mass of 58.4g/mole. how many grams of sodium chloride are needed to make 500.mL of a 0.0250 molar solution?

*asked on July 5, 2017* -
## math

1.What is the 10th term of 1/2, 1, 3/2, 5/2 2. What is the 15th term of 0.3, 0.9, 0.15 3. What is the 80th term of 8, 13, 21, 29

*asked on June 10, 2017* -
## Chemistry

Given that HSO4- is a stronger acid than HPO4^2-, what is the chemical reaction if solutions containing these ions are mixed together? (Hints: One of these must act as an acid and the other as a base. Use the Brønsted-Lowry definition) Please explain how

*asked on May 9, 2017* -
## calc

find an equation of the line tangent to the circle (x-1)^2+(y-1)^2=25 at the point (4,-3) Can please someone explain this to me and show all work very confused

*asked on May 8, 2017* -
## algebra

Combine like radical terms -7\sqrt(6-5 ) \sqrt(54)

*asked on May 4, 2017* -
## Chemistry

net ionic equation to show that sulfurous acid, H2SO3, behaves as an acid in water. I got this answer but do not know if it is correct. H2SO3 + H2O --- H3O + SO I am Not sure if its is tri/mono/diprotic

*asked on April 30, 2017* -
## story problem

Two wires stretch from a pole to two points on the ground which are 25 feet apart. The first wire is to the left of the pole and forms a 30° angle with the ground. The second wire is to the right of the pole and forms a 60° angle with the ground. How

*asked on April 20, 2017* -
## Math

To study the efficiency of its new price-scanning equipment, a local supermarket monitored the amount of time its customers had to wait in line. The frequency distribution in the following table summarizes the findings. Find the standard deviation of the

*asked on April 15, 2017* -
## Math

write a rule to describe the translation of a point from (-3 3) to (-2 2) A)

*asked on April 5, 2017* -
## Calculus please help!

The limit limh->0 ((sqrt1+h)-1)/h represents the derivative of some function f(x) at some number a. Find f and a. Please help!

*asked on March 24, 2017* -
## Social studies

The Macdonald-Cartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian politicians, one ______ and one _______. A)English, German B)Inuktitut, French C)French, Cree D)English, French

*asked on March 17, 2017* -
## Spanish

I have to answer negatively. ¿Podemos ir a la playa o nadar en la piscina? I answered.. No, no podemos ir a la playa ni nadar en la piscina. But it says there is a word missing between podemos and ir. I tried.. No, no podemos no ir a la playa ni nadar en

*asked on March 16, 2017* -
## Math

Suppose a total of 3572 seats were sold for a performance.How many seats in the theater would be empty that evening. Explain how you found your answer

*asked on February 28, 2017* -
## Algebra

Joe and Skyler can clean an entire building in 44 hours. Joe can clean the entire building by himself in 66 fewer hours than Skyler can. How long does it take Joe to clean the building by himself?

*asked on February 21, 2017* -
## Socials

Make up an epitaph for a young coal miner, detailing the cause of death and the circumstance. Were suck people heroes of the Industrial Revolution? Explain your opinion

*asked on February 16, 2017* -
## Math

Which equation can be used to find the measure of an angle that is supplementary to POS

*asked on February 15, 2017* -
## Math

lucky drew an isosceles triangle as shown if the measures of XYZ is 25 what is the measure of XYZ

*asked on February 14, 2017* -
## Language arts

What is the name of the online textbook used in this course A) Language arts B) The big question C) Literature D) Write to learn

*asked on January 25, 2017* -
## AP ENGLish

Many plays and novels use contrasting places (for example, two countries, two cities or towns, two houses, or the land and the sea) to represent opposed forces or ideas that are central to the meaning of the work. Explain this contrast within the play,

*asked on January 16, 2017* -
## Math

The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard? Math - Henry,

*asked on January 9, 2017* -
## Math

the mean of x and y is 12 and the mean of y and 12 is z/2. what is the mean of x and z?

*asked on December 9, 2016* -
## Algebra

) An inlet pipe can fill an empty tank in 5 hours by itself, and an outlet pipe can drain the same tank when full in 7 hours by itself. If the tank is two-thirds full when the valves for both pipes are opened, how many minutes will it take to fill the

*asked on December 1, 2016* -
## Calculus

Find the derivative. y=e^8x/[e^(8x)+9] y' = The answer I have is 8e^8x/[(e^8x+9)^2] but it marked it incorrect..

*asked on November 13, 2016* -
## Calculus

Use the function f and the given real number a to find (f^-1)'(a) f(x)=(x+9)/(x+3), x>-3, a=2 f(^-1)'(a)= ? Can someone please show me how to solve this problem?

*asked on November 13, 2016* -
## Calculus

Use the function f and the given real number a to find (f^-1)'(a) f(x)=x^3+8x-3 a=6 (f^-1)'(6)= Thank you.

*asked on November 13, 2016* -
## Calculus

The demand equation for a product is p=88,650/(396+3x) where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40

*asked on November 13, 2016* -
## Math

In a standard set of dominoes, a face of each domino has a line through the center, with 0 to 6 dots on each side of the line. Each possible combination of dots is used exactly once, one combination per domino. What is the probability that a randomly

*asked on November 12, 2016* -
## Government and politics

Explain 2 enumerated powers of the president and 2 enumerated powers of congress

*asked on November 3, 2016* -
## Government and politics

How does making laws to the people make it easjer? THe elastic clause

*asked on November 3, 2016* -
## Government and politics

In what way do other branches and the public influence the bureaucracy? I need 3 paragraphs

*asked on November 3, 2016* -
## Government

How does the 3 branches of government influence the bureaucracy?

*asked on November 2, 2016* -
## chemistry

A student conducts a reaction and measures a 19.9 g yield. The theoretical yield of the reaction under the conditions used is 31.4 grams. What percent yield did the student achieve?

*asked on November 2, 2016* -
## Math

In a sponsored walk for charity, 560 students participated. Of these, 0.72% completed the 15-km walk. How many students completed the walk?

*asked on November 2, 2016* -
## Math

Find the simple interest of $3800 at an annual rate of 3.5% for 3 years.

*asked on November 2, 2016* -
## math

the number of trucks crossing the border fell from 3240 to 2673. What is the percent decrease?

*asked on November 2, 2016* -
## Algebra 1

Just checking my answers. What is the sum or difference? 1. 2x^4 - 8x^4 A. -6x^8 B. -6x^4*** C. -16x^4 D. -16x^8 What is the sum or difference 2. 10y^10 - 14y^10 A. -4y^20 B. -140y^20 C. -140y^10 D. -4y^10*** 3. Write the polynomial in standard form. Then

*asked on October 24, 2016* -
## Chemistry

5.58g of Fe reacted with 3.0g of oxygen. How many moles of Fe were used?

*asked on October 23, 2016* -
## Math

Which is the greater amount of money, 120% of 0.3% of $1000 or 120.3% of $1000?

*asked on October 21, 2016* -
## Math

What unknown number makes these equation true. 447+99 =447+100-

*asked on October 5, 2016* -
## Math

What unknown number makes these equations true 353-203 = 353-200-

*asked on October 5, 2016* -
## Aglebra, math

Hi I really need help with this question and I don't know a thing about algebra!!! If anyone can help me understand this that would mean a lot! So here's my question. Brad says that the literal equation a = 3b + 4c - a is solved for a. Do you agree? Why or

*asked on October 5, 2016* -
## Math

put brackets into these statements to make them true: a) 20 - 2 + 2 * 2^2 + 6 = 26 b) 20 - 2 + 2 * 2^2 + 6 = 120

*asked on September 28, 2016* -
## Science

We call zone of saturation the level to which the water fills all the interstices, or the pores, with the ground and all cracks minusclus of the rock/this fresh water supply exists in all the grounds. Why?

*asked on September 21, 2016* -
## Science

what geographical features create natural boundaries for water to flow toward one ocean or another?

*asked on September 21, 2016* -
## Algebra

I need help, it's a crossword puzzle. 10 letters, the last letter is T the 3rd letter is E. The question is: You can think of an opposite sign as ____ or -1 PLEASE HELP

*asked on September 14, 2016* -
## Physics

A motorboat whose speed in still water is 2.91 m/s must aim upstream at an angle of 30.0 degrees (with respect to a line perpendicular to the shore) in order to travel directly across the stream. - What is the speed of the current? - What is the resultant

*asked on May 27, 2016* -
## Science

If the earth exerts a 500 N gravitational force on an object in near space, how much force does this object exert on the earth, and by what law can this be asserted?

*asked on May 18, 2016* -
## Physics

How would you change the following Galilean transformation equations in the case where a frame was moving both in the x and the y direction? (Use the following as necessary: x, y, z, Vx, Vy, t.) x' = y' = z' = t' =

*asked on May 13, 2016* -
## Physics

Estimate the increase in rest energy of a copper sample [100 kg, c = 387 J/(kg · °C)] if its temperature is increased 100°C. -answer needs to be in kg please.

*asked on May 13, 2016* -
## social studies

Summarize the ways which minnesotans contribute to WW2

*asked on May 12, 2016* -
## Math

A rectangle has a width of 5 meters and length of 14 meters. If a similar rectangle has a width of 15 meters, what's its perimeter, in meters?

*asked on May 10, 2016* -
## Algebra

3/8x + 180=3.5g

*asked on May 6, 2016* -
## Math

Find the missing number that completes the table of values what's the Function Objective a function table Example:y= X+2

*asked on April 7, 2016* -
## Physics

A boy sliding down a frictionless plane inclined at an angles 35° with the horizontal. What is the acceleration of the book?

*asked on April 2, 2016* -
## Physics

In Europe, the standard voltage is 230 V (rms), AC, and 50 cycles/s. Suppose you take your 5.00 W electric razor to Rome and plug it into the receptacle (with an adapter to fit the receptacle but not to change the voltage). (The standard voltage in the

*asked on March 26, 2016* -
## Math

On the ruler below, identify the location of 7 3 -- 8

*asked on March 8, 2016* -
## Organic Chemistry

We used sodium dichromate in sulfuric acid to oxidize borneol to camphor. Suppose you needed to prepare benzaldehyde from benzyl alcohol. Would the sodium dichromate be the best choice for this oxidation or are there better choices? Explain.

*asked on March 1, 2016* -
## Science

A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal 1. Horizontal component of weight force 2. Vertical component of weight force 3. Angle 4. Normal force 5. Net fx 6. Acceleration along incline I really do not

*asked on March 1, 2016* -
## Physics

A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a current of 497 mA when the electrons have a speed approximately equal to the speed of light. How many electrons pass a given point in

*asked on February 18, 2016* -
## Physics

There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied across a resistor made of the identical material but 30 times longer, the current is 0.044 pA. Compare the effective diameters of

*asked on February 18, 2016* -
## Physics

A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge in seconds (ii) its initial

*asked on February 18, 2016* -
## Physics

A 500 g sample of gold heated to 971.0 deg. C is placed in a calorimeter containing 220 g of water initially at 20.0 deg. C. If no heat is lost to the surrounding environment what will the final temperature of the water be? [HINT: At the end, the sample

*asked on February 16, 2016* -
## Physics

A cylinderical brass rod with a radius of 2.10 cm and length of 1.50 m is placed in a fire with temperature of 490 deg. C. If the other end of the rod is at a temperature of 33 deg. C, what is the rate of heat transfer through the rod (ignore any heat loss

*asked on February 15, 2016* -
## P

A 500 g sample of gold heated to 971.0 deg. C is placed in a calorimeter containing 220 g of water initially at 20.0 deg. C. If no heat is lost to the surrounding environment what will the final temperature of the water be? [HINT: At the end, the sample

*asked on February 15, 2016* -
## Physics

A styrofoam cooler is a cube with side length of 20.0 cm and walls with thickness of 1.9 cm. If the external temperature is 27.0 deg. C and the cooler contains ice and water at 0 deg. C. How much heat is transferred into the box in 24 hours? - I got

*asked on February 15, 2016* -
## Physics

I have a few physics questions that I don't understand. Two are thermal expansion problems and the other is an ideal gas law problem. 1. Two rods, one made of iron and the other of aluminum, have the same initial length at 64.00 deg. C? When the

*asked on February 8, 2016* -
## Physics

Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Determine the magnitude and direction of the force that charge B exerts on charge A. (b) What is the force that charge A

*asked on January 29, 2016* -
## Physics

Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m. (a) Find the electric field on the x axis at x = 6 cm. (b) At what point on the x axis is the electric field zero?

*asked on January 29, 2016* -
## Physics

(a) Estimate the positive charge in you due to the protons in the molecules present in your body. (Assume that the human body is made entirely out of water.) (b) What is the net charge in your body?

*asked on January 29, 2016* -
## Physics

Tarzan (80 kg) runs toward a vine at 4.8 m/s where Jane (60 kg) is hanging on. He jumps and grabs the vine. How high does the vine swing? If the vine is 25 m long, how much of an angle does that make?

*asked on January 28, 2016* -
## physics

A 10 kg mass moving at 6 m/s strikes a stationary 2 kg mass in an elastic collision. Determine the velocity of each after the collision. 10(6)+2(0)=(10)Vf1+(2)Vf2 60=(10)Vf1+(2)Vf2

*asked on January 28, 2016* -
## Algebra

A colony of bacteria has a population of ten initially, and doubles in size every three hours. What is the population of the colony after 24 hours of growth ?

*asked on January 24, 2016* -
## geometry

two boards make up two sides of triangular sandbox 8ft and 5 ft what size board makes third side? I say 5 because this makes an isoles triangle

*asked on December 16, 2015* -
## Math

I am a common multiple of 8 and 2. I am greater than 50 and my digits are 3 apart. What am I?

*asked on December 7, 2015* -
## Physics

A set of density rods is designed to illustrate the concept of density. The idea is to create cylinders of equal diameters and masses, but varying lengths, to show which have the largest and smallest densities. (a) Derive a formula that will predict the

*asked on November 20, 2015* -
## Physics

If you want to design a set of five density rods (made of aluminum, iron, copper, brass, and lead), determine the ratios of the lengths of each rod to the length of the lead rod, the densest material in the group. The specific gravities of the elements are

*asked on November 19, 2015* -
## Math (Algebra)

Two groups went to the movies. The first group included 3 adults and 5 kids and paid a total of $71. The second group included 5 adults and 3 kids and paid a total of $81. If ticket prices were the same for each group, find the cost of each type of ticket.

*asked on November 5, 2015* -
## Math

How many 1 inch squares can be cut from an 18"x24" piece of contruction paper

*asked on October 27, 2015* -
## Physics

A spring that has a spring constant of 150 N/m is oriented vertically with one end on the ground. (a) What distance does the spring compress when a 4-kg object is placed on its upper end? in m. (b) By how much does the potential energy of the spring

*asked on October 23, 2015* -
## chemistry!!!!!!!!!

at 20°C the concentration of O2 in the air is 8.65 x10-3 mol/L. what us the minimum volume of air in litres that are required to completely combust on e litre of gasoline at 20°C? Assume the gasoline is octane which has a density of .703 g/mol at this

*asked on October 19, 2015* -
## Physics

At t=0 a particle leaves the origin with a velocity of 5.0 m/s in the positive y direction, its acceleration is given by a=3i-2j m/s^2 At the instant the particle reaches its maximum y coordinate, how far is it from the origin? I'm not sure how to do a

*asked on October 17, 2015* -
## science

I have a question from an old exam that I need help to understand, i'm not sure where to start An electron in an electronically excited hydrogen atom undergoes a transition from a 6d to a 2p orbital, resulting in the emission of a photon. The photon

*asked on October 16, 2015* -
## Chemistry

I have a metal sheet of indium, and when a uv light with a wavelength of 265 nm is shone on it the surface ejects electrons that have a kinetic energy of 8.31x10^-20 J per ejected electron. I'm asked to find the threshold frequency, I need to know how to

*asked on October 14, 2015* -
## science

The concentration of sodium chloride in ocean water is on average 0.060 M. What mass of sodium chloride is present in 25 L of ocean water? How do I answer this question, I have no idea where even to start.

*asked on October 14, 2015*