# April

Newest questions and responses by April-
## Social studies

What was the initial purpose of the constitutional convention?

*asked on December 13, 2018* -
## chemistry

Given the following equations: 2 H2O2 (aq) → 2 H2O (l) + O2 (g) and C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H2O (l) The first reaction is the decomposition of hydrogen peroxide into water and oxygen gas. The oxygen gas generated in the first reaction is

*asked on July 1, 2018* -
## chemistry

Write the total ionic and the net ionic equations for the following: 3 H2 (g) + 2 AuCl3 (aq) → 6 HCl (aq) + 2 Au (s)

*asked on July 1, 2018* -
## chemistry

Determine whether a reaction will take place in the following and write a complete balanced equation: You must include phase labels. Use NR for no reaction. 1.) Ca(OH)2 (aq) + Al(NO3)3 (aq) → 2.) Cu(C2H3O2)2 (aq) + Na2SO4 (aq) → 3.) H2SO4 (aq) + KOH

*asked on July 1, 2018* -
## Physics

a 107 lb little red wagon full of kids is on the top of a 41.4 m hill. the wagon falls down the hill and up a 14.5 m hill. how fast is it going on the top of the second hill if there is no friction?

*asked on January 14, 2018* -
## Physics

which statement is true concerning the interference pattern from a double slit experiment? a) the dark fringes appear equally spaced b) the dark fringes increase spacing farther from the center line. c) the spacing of the bright fringes is twice that of

*asked on January 7, 2018* -
## Math

96÷16+(25x2)-15-3

*asked on September 21, 2017* -
## Math

Create a story problem using 36

*asked on August 26, 2017* -
## Algebra

Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1800 bacteria selected from this population reached the size of 2272 bacteria in five hours. Find the hourly growth

*asked on August 5, 2017* -
## concepts in healthcare

Explain procedures and resources available for assisting patients with special needs such as those for whom English is a second language, are hearing impaired, sight impaired, or who have any other type of physical or diversity related disposition that

*asked on July 15, 2017* -
## math

On a map, 1 inch equals 20 miles. Two cities are 135 miles apart. What is the distance between the two cities on the map?

*asked on May 2, 2017* -
## Statisix

The mean price of photo printers on a website is $241 with a standard deviation of $60. Random samples of size 30 are drawn from this population and the mean of each sample is determined.

*asked on April 27, 2017* -
## Math

Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. log2(2squareroot 3/5)

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

Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. Log6(7m+3q)

*asked on March 14, 2017* -
## Math

Sove the logarithmic equation x=log100(10)

*asked on March 14, 2017* -
## Math

Find the correct end behavior diagram for the given function. f(x)= -x^5-3x^3-6x+7

*asked on February 27, 2017* -
## Math

Natasha went to Japan for a business trip. Natasha converted $1100US into 110682 Yen at the local bank. Natasha spent 87438.78 Yen on this trip and returned with the remaining Yen to the US. How much will the remaining Yen convert to in US Dollars when

*asked on February 11, 2017* -
## Math

Find the vertex f(x)= x^2+6x+5

*asked on January 8, 2017* -
## Math

Write an equation in slope intercept form for the line describe Through (-5,6), perpendicular to x= -2 I got x= -5 which i got wrong

*asked on January 4, 2017* -
## Math

Write an equation in slope intercept form for the line described Through (-1,4) parallel to x+3y=5

*asked on January 4, 2017* -
## English

What is Hawthorne’s attitude toward Puritan people and Puritan beliefs in The Scarlet Letter ?

*asked on January 3, 2017* -
## History

Why do you think Columbus kept a private log of the miles the ships actually traveled?

*asked on November 30, 2016* -
## Math

Which answer will be greater 1/3÷5 or 5÷1/3

*asked on November 18, 2016* -
## physics

A 7.4kg block starts 1.2m above the ground, at the top of a frictionless ramp. At the bottom of the ramp is a flat stretch of rough (μk = 0.15) ground 3.0m long. After sliding 3.0m, the ground becomes frictionless, and the block hits a spring (k =

*asked on October 25, 2016* -
## Algebra 2

The sum of three numbers is 36.the first number is two times the second number and the second number is four less than the third number. What are the numbers?

*asked on October 13, 2016* -
## Concepts in number sense

An odd number whose thousands digit is twice its hundreds digit

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

Prove (cosecθ-cotθ)^2=1-cosθ÷1+cosθ

*asked on August 23, 2016* -
## java program

Create a program that will print the student’s letter grade given the following specifications : 90 – 100 = A 80 – 89 = B 70 – 79 = C 60 – 69 = D below 60 = F

*asked on July 6, 2016* -
## math/algebra

Find the hang time for a golf ball hit 150 feet into the air. The time T in seconds is given by the function T(x)= square root of x over 2

*asked on June 23, 2016* -
## Language Arts

Can you check my answer? Matt hiked the trail yesterday. It made him tired. Which sentence combines the two sentences using a gerund phrase? A- hiking the trail yesterday made Matt tired B- Matt hiked the trail and it made him tired. My answer C-It made

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

What is the product for the following reaction: The reaction is a chair conformer of 1-methyl-1-cyclohexanol, with OH in the axial position and the methyl in the equatorial position, reacting with HCl. I'm wondering if this reaction is both SN1 and E1, and

*asked on April 16, 2016* -
## Math about weight

Pedro has Abadia back and can only lift 32lbs. He is going hiking and has packed his sleeping bag, two pairs of socks, and 2 bottles with 4 liters of water each. If Pedro is carrying his limit, one pair of socks weighs .8 lbs, and his sleeping bag weighs 3

*asked on April 12, 2016* -
## Multiplicative inverse

Angelo says that if you know one unit rate in a proportional relationship, the other unit rate is always the multiplicative inverse of the unit rate you know. Is Angelo correct? Explain

*asked on April 10, 2016* -
## Math Grade 7

To improve her cardiovascular capacity,Mia wants to increase the distance she walks each day. She now walks 1/2 mile in 8 1/2 minutes. If Mia keeps the same pace, will she be able to walk 1 1/2 miles in less than 1/2 hour?

*asked on April 10, 2016* -
## Math

Laurie and Anna are running a 3 mile race. After 5 minutes, Laurie has run 3/5 miles and Anna has run 7/10 mile. If both ladies can keep their same pace for the remainder of the race, how many minutes ahead of Laurie will Anna cross the finish line?

*asked on April 10, 2016* -
## Math

Victor can ride his bike 15 miles in 2 hours. He uses this ratio 15:2, to write an equation that shows the relationship between the distance he bikes and the time it takes. Victor's work is shown below. Is his equation correct?

*asked on April 10, 2016* -
## statistics

A sign on the gas pumps of a chain of gasoline stations encourages customers to have their oil checked, claiming that one out of four cards need to have oil added. If this is true, what is the probability of the following events? a. One out of the next

*asked on March 17, 2016* -
## Science

An electric light is plugged into a 120-V outlet. If the current in the bulb is 0.5 A, how much electrical energy is used by the bulb in 15 minutes?

*asked on March 4, 2016* -
## Science

Two objects with charges of +1.0 and -1.0 are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

*asked on January 26, 2016* -
## Science

Two objects with charges of +1.0 and -1.0 are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

*asked on January 25, 2016* -
## Math

ewrite each equation below. Then solve your new equation. Be sure to check your solution using the original equation. 4/x=x+3

*asked on January 11, 2016* -
## Math

The parabola y=x^2 How can that equation be changed to shift the parabola three units to the left and five units down

*asked on January 7, 2016* -
## Math

The price of gas went up by 0.5% last month. Suppose gas currently costs $2.44 a gallon. If the price of gas continues to increase at this rate. What will it cost one year from now? When will it cost $5 a gallon?

*asked on January 6, 2016* -
## Spanish 2

In the following, underline the correct past tense. So, the preterite and imperfect Los estudiantes ( tomaban/tomaron) apuntes mientras la profesora ( hablaba/hablo) Would it be tomaban and hablo

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

Mary cut pizza into 16 slices. If she gave 3/8 of the pizza to her friend, how many slices of pizza did she give away

*asked on January 5, 2016* -
## Spanish 2

In the following, underline the correct past tense. So, the preterite and imperfect Los estudiantes ( tomaban/tomaron) apuntes mientras la profesora ( hablaba/hablo) Would it be tomaban and hablo

*asked on January 5, 2016* -
## Trigonometry

For which angles in degrees if any, is sin A not equal to 1/csc A? Answer for 0 through 359 degrees.

*asked on December 8, 2015* -
## Math

*

*asked on December 8, 2015* -
## Math

It is possible to have an angle where sin A > 1. True or False

*asked on December 8, 2015* -
## Math

cotA = tan(90degrees- A) True or False The vectors and are orthogonal True or False 2 = 16 True or False * = + = Find c if a = 3, b = 5, and A = 30degrees=

*asked on December 4, 2015* -
## Math

cotA = tan(90degrees- A) True or False The vectors and are orthogonal True or False 2 = 16 True or False * = + = Find c if a = 3, b = 5, and A = 30degrees=

*asked on December 4, 2015* -
## Math

A plane is flying on a course with a vector of , where the 250 is the speed due north, and the 100 is the speed due east. The wind is blowing where the directions are also north and east, in the same order. How fast is the plane flying? All values are in

*asked on December 4, 2015* -
## Math

Given that an equation of the form f(x) = x^n has n solutions, and that the solutions are equally spaced at a given radius in the complex plane, discuss why complex solutions must occur in conjugate pairs when .

*asked on November 21, 2015* -
## Math

Given that an equation of the form f(x) = x^n has n solutions, and that the solutions are equally spaced at a given radius in the complex plane, discuss why complex solutions must occur in conjugate pairs when .

*asked on November 18, 2015* -
## Math

For f(x) = 0.01(2)x, find the average rate of change from x = 3 to x = 8. A.0.08 B.0.496 C.2.48 D.5

*asked on November 4, 2015* -
## Trigonometry

Suppose a planet has a radius of 5,000 km. Starting at the point on its surface at 0 degrees longitude and 0 degrees latitude,find the distance to the point on its surface at 30 degrees longitude and 60 degrees latitude.

*asked on November 2, 2015* -
## Math

Draw the line through the point (4,5)that is parallel to the y-axis. Write the equation of this line and state its slope. Can anyone assist me. The example or instructions is not in my text.

*asked on October 5, 2015* -
## I need Help!!!

Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (−3, 1) and (9, −3)

*asked on October 4, 2015* -
## Algebra

Write the equation of the line that contains the indicated pair of points. Express the final equation in standard form. (Objective 3) (−3, 1) and (9, −3)

*asked on October 3, 2015* -
## math

Find the symbols for degrees, minutes and seconds on your calculator. Then find cot(43‹41Œ13"). Please give the details of what you did in addition to the answer. Explain what you did to find this. Has any other response used a wrong technique? What

*asked on September 26, 2015* -
## Trigonometry

Find the symbols for degrees, minutes and seconds on your calculator. Then find cot(43‹41Œ13"). Please give the details of what you did in addition to the answer. Explain what you did to find this. Has any other response used a wrong technique? What

*asked on September 22, 2015* -
## English

For questions 7-10, identify the type of noun underlined in each sentence. 7. The AZTECS made sacrifices to their gods. (2 points) Select all that apply. Common. Proper. Compound. Collective. 8. A SWARM of insects surround the raft as we drifted down the

*asked on September 16, 2015* -
## Intermediate math

I have to factor these two problems but am having some difficulties X^3y^6-64 & (x+y)^3+(x-y)^3

*asked on September 13, 2015* -
## psychology

Which approach would explain that phobias are acquired through classical conditioning and the hypochondriac's "sickness behavior" is reinforced by sympathy and attention?

*asked on September 11, 2015* -
## Science

A hollow iron cube has measures 5cm on each side and has a mass of 20g will the iron cube sink or float?

*asked on September 11, 2015* -
## Trigonometry

Two planes are flying at the height of 10-km. They are going at the same speed, and both traveling due north. If the planes are 3,000 km apart as measured along the surface of the earth, what angle do the lines from the planes make to the center of the

*asked on August 25, 2015* -
## history

Among the legislative acts passed during Franklin Roosevelt’s first term as president, which one gave relief to artists, actors, and writers? A. Works Progress Administration B. National Recovery Administration C. Tennessee Valley Authority D. Civilian

*asked on August 14, 2015* -
## chem 101

How many milliliters of 0.205 M NaOH solution are needed to completely neutralize 5.50 mL of 0.865 M H2SO4 solution?

*asked on July 24, 2015* -
## science

An astronaut has a mass of100kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50N, calculate her acceleration.

*asked on June 16, 2015* -
## Finance

what is the present value of $2500 per year for 9 years discounted back to the present at 11 percent?

*asked on June 10, 2015* -
## algebra

A cubic polynomial function f(x) has leading coefficient -2 and intercepts the y-axis at 2. If f(1)=1, and f(-2)=-2, find f(-1) and write the complete function.

*asked on April 6, 2015* -
## us history

Who explored enough of South America to deem it a new continent?

*asked on April 1, 2015* -
## health part2

The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the

*asked on March 28, 2015* -
## health part2

The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the

*asked on March 28, 2015* -
## Body Systems II

Arteries carry blood ________ the heart.

*asked on March 28, 2015* -
## math

Shelby walks at a constant rate. the equation that represents this relationship is d=4t, where d is the distance in miles and t is the time in hours. What does the constant 4 tell you about shelby? Make use of structure. What question is answered by the

*asked on March 17, 2015* -
## math

The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag

*asked on February 13, 2015* -
## Math

A square with a side length of 2s has a smaller square inscribed. The vertices of the smaller square are at the midpoints of the sides of the larger square. What is the ratio of the larger square to the area of the smaller square? Express your answer in

*asked on February 11, 2015* -
## word problems

miguel is 5ft 10 inches tall On a sunny day he casts a shadow of 4ft 2 inches long. At the same time, a nearby electric tower casts a shadow 8ft 9 inches long. How tall is the tower? Please help me set up the equation. Do i use is actual height or his

*asked on January 16, 2015* -
## Math 6th grade

At lunch 3 1/4 small pizzas were equally devided into 4 people one person eats 1/4 of what he was given how much of a whole pizza did that person eat

*asked on December 11, 2014* -
## Math

luc has 1 h of homework to do. He has assignments to complete for social studies and math, and a science test. he sepends 2/5 of the time completing the social studies assignment, and 1/3 of the time on math. How much time does Luc have left to study for

*asked on October 14, 2014* -
## math

Evaluate: -3/4 - 1 3/8 A: - 17/8 B: -1 C: 17/8 D: -5/8 I put C but its was incorrect. I'm to sure what the correct answer would then be. can you show me how to solve it and how to achieve the correct answer?

*asked on October 7, 2014* -
## physics

turtle goes 0.50m/s rabbit goes 3.0m/s^2.. rabbit gives turtle 195 seconds head start. how long will it take for hare to catch turtle? 195*.5=97.5m +amount covered while rabbit is catching up

*asked on October 6, 2014* -
## math

Jessie has a box of 1000 marbles 75 are yellow 230 are red 331 are blue and 364 are green what fraction of his marbles are yellow and what fraction of his marbles are red

*asked on September 3, 2014* -
## math

Jessie has a box of 1000 marbles . He has 75 yellow , 230 red, 331 blue and 364 green what fraction of his marbles are yellow? What fraction of his marbles are ref?

*asked on September 3, 2014* -
## Mathematics

price company received an invoice in the amount of $3,800 dated may 24 for merchandise they purchased. the terms of the sales are 3/15, 2/30, n/45. what payment should be made if the invoice is paid on June 20?

*asked on August 26, 2014* -
## Chemistry

A 11.0-mL sample of an unknown H3PO4 solution requires 116mL of 0.140 KOH to completely react with the H3PO4. What was the concentration of the unknown H3PO4 solution (answer in M). H3PO4(aq) + 3KOH(aq) --> 3H2O(l) + K3PO4(aq)

*asked on July 24, 2014* -
## help

If you could design a study on anything about human behavior to show how it is the same across cultures, what would that be?

*asked on July 19, 2014* -
## gender roll of development

Do you think it is possible our biological make up dictate whether we will be maternal or parental and we choose our roles accordingly ?

*asked on July 16, 2014* -
## Astronomy

You must show your work for full credit.) Calculate the circular speed of an object that orbits the Sun at a distance of 0.2 AU (1 AU = 1.5e+11 meters, the distance between the Earth and the Sun): (Points : 10)

*asked on July 10, 2014* -
## Algebra 2

Which matrix equation is equivalent to 3x+2y-5z=20 5x-10y+8z=17 -8+11y-2z=29

*asked on May 19, 2014* -
## biology help

The cells in the retina that detect color and bright light are called _________ cells.

*asked on May 19, 2014* -
## biology help

Frequent urination is associated with alcohol consumption because alcohol suppresses the hormone (A)__________. As a result, urine becomes more (B)__________, and the body loses more water than it should.

*asked on May 19, 2014* -
## statistics

At the beginning of the semester, students who registered for a statistics course were randomly assigned to two sections, each taught by a different instructor. At the end of the semester, we would like to test whether there are differences in performance

*asked on May 2, 2014* -
## statistics

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which

*asked on May 1, 2014* -
## statistics

A fictional study was used to examine the effect of a new antianxiety drug on levels of anxiety. Sixty participants were randomly assigned to one of two groups: 1) new antianxiety pill and 2) placebo pill. One hour after taking the medication or placebo,

*asked on April 30, 2014* -
## statistics

A professor is interested in the relationship between the number of hours students study for a quiz and their quiz grades. She asked each student to record the number of hours that he/she studied for the final exam. She also recorded the students’ grades

*asked on April 30, 2014* -
## statistics

A clinical psychologist notices that admission to the psychiatric hospital she works at seem to vary by season. Using a chi-square test, she rejects the null hypothesis that hospital admission is independent of season. What conclusions can she make? a.

*asked on April 29, 2014* -
## statistics

For which of the following would it be most appropriate to use an ANOVA to analyze the data? A. A researcher is interested in determining the most effective format for advertising. He randomly assigns 60 people to one of three groups: (1) television

*asked on April 27, 2014* -
## Math

Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. How many fluid ounces of milk provide 72.5 milligrams of calcium? Round to the nearest tenth.

*asked on April 9, 2014*