# Amber

Newest questions and responses by Amber-
## Pre-Calc

sin(2θ)=1/2 Find all solutions in the interval [0, 2π). (Enter your answers as a comma-separated list.) k = any integer What I have so far: pi/12 + kpi, 5pi/12 + kpi However, I do not know how to solve for the interval. Please help, thank you!

*asked on March 7, 2019* -
## Physics

1. A 5 kg weight is hung from a vertical spring. The spring stretches by 5 cm. How much mass should be hung from the spring so it will stretch by 10 cm from its original length? A. 15 kg B. 10 kg C. 20 kg D. 25 kg 2. What is the spring constant of a spring

*asked on March 4, 2019* -
## Pre-Calc

A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of

*asked on March 3, 2019* -
## maths

Odder them to smallest to greatest 59 / 2 / 39 / 10 / 49 / 29 10 / 50 / 90 / 20 / 40 / 60 / 30 / 70 / 0 / 80 / 100

*asked on January 16, 2019* -
## Genetics

Please help, I am not quite sure where to start. Genes M and P are linked and are 30 map units apart. If genotype MP/mp is test crossed, what is the probability that the progeny will be homozygous recessive for both genes? What is the chance of producing a

*asked on December 8, 2018* -
## English

Need help writing outline!!

*asked on November 27, 2018* -
## Physics

In order for work to be done, an applied force must cause a change in the _______ of an object.

*asked on October 25, 2018* -
## Physics

1. A weight lifter lifts a set of weights a vertical distance of 3.85 m. If a constant net force of 350 N is exerted on the weights, what is the net work done on the weights? (Show all work and include units of measure) 2. A car has a kinetic energy of

*asked on October 24, 2018* -
## Physics

1. In outer space, where there is no gravity or air, an astronaut pushes with an equal force of 20 N on a 3 N moon rock and on a 9 N moon rock. Which statement is the most accurate about this situation? A. Since both rocks are weightless, they will have

*asked on October 5, 2018* -
## Physics

1. A worker pushes horizontally on a 2000 N refrigerator on a kitchen floor with a force of 25 N. Which statement is the most accurate about the situation? A. If the refrigerator moves forward, this person feels it pushing back with less than 25 N. B. The

*asked on October 5, 2018* -
## Physics

1. Order the fundamental force from the strongest to the weakest. A. gravity, electromagnetic, strong B. electromagnetic, strong, gravity C. strong, electromagnetic, gravity D. strong, gravity, electromagnetic 2. Electricity results from which fundamental

*asked on October 5, 2018* -
## Physics

If a rock weighs 783 N on earth, what is its mass? A. 87.0 B. 79.9 C. 78.6 D.77.5 Is it B?

*asked on October 4, 2018* -
## Physics

If a person weighs 818 N on earth and 5320 N on the surface of a nearby planet, what is the acceleration due to gravity on that planet? A. 55.4 m/s^2 B. 46.5 m/s^2 C. 63.7 m/s^2 D. 73.3 m/s^2 Help!!

*asked on October 4, 2018* -
## Physics

1. If a cat's mass is 1.20 kg, what is its weight in earth? A. 11.9 N B. 12.1 N C. 12.2 N D. 11.8 N Is it D? 2. If a car weighs 6310 N on earth, what is its mass? A. 625 kg B. 663 kg C. 682 kg D. 644 kg Help!!

*asked on October 4, 2018* -
## Physics

1. If a car's mass is 439 kg, what is the weight on earth? A. 4390 N B. 4350 N C. 4300 N D. 4360 N 2. If a person weighs 717 N on earth and 5320 N on the surface of a nearby planet, what is the acceleration due to gravity on that planet? A. 83.6 m/s^2 B.

*asked on October 3, 2018* -
## intermediate algebra

Write the following as an inequality. −5 is less than w, and 9 is greater than or equal to w

*asked on August 23, 2018* -
## Physics

The projectile’s mass is not needed. The projectile must be launched on the horizontal plane. The earth drops 8 inches for every mile traveled. The acceleration due to gravity is 9.81 meters per second squared. Ignore air resistance. You

*asked on August 23, 2018* -
## Physics

A cyclist is stopped at a traffic light. When the light turns green, the cyclist accelerates at 3.2 m/s. After 2.4 seconds, what is the cyclist’s speed?

*asked on August 15, 2018* -
## Chemistry

Can someone help me with this? I was using deltarG = deltarH - T deltarS. I found delta H= 62438 j/mol and delta S =. 144.555 j/ mol k Calculate ΔrG for the sublimation of iodine gas at 298 K when the iodine vapor is at a pressure of 0.0500 bar

*asked on April 1, 2018* -
## Chemistry

Could someone please help me start this problem? The following reaction occurs 1.000 atmosphere & 298.0 K. CH3OH (l) + 3/2 O2 (g) → CO2 (g)+ 2H2O (l) 50.00 g of CH3OH, and excess oxygen. Calculate ΔU using ΔU = ΔH - PΔV

*asked on March 15, 2018* -
## World history

Use the image below to answer the following question: An image of a man with his hands and feet nailed to a large cross. © Godong\UIG\Image Quest 2016 Which key figure in Christianity does this image represent? Peter Paul Jesus God

*asked on February 18, 2018* -
## Science

What did Alexander’s general want him to do

*asked on December 31, 2017* -
## Chemistry

Which two orbitals overlap to form the sigma bond between C and H in C2HF?

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

Which of the following represents lattice energy? None of the reactions Na+(s) + I-(s) = NaI (s) Mg2+(g) + 2F-(g) = MgF2(s) LiBr(s) = Li+(s) + Br-(s) NaCl(s) = Na+ (g) + Cl-(g)

*asked on October 26, 2017* -
## Physics

An adventurous aardvark arduously ambles from (3.0, 2.0) m to (−4.0, −2.0) m. What is the displacement in polar coordinates?

*asked on October 23, 2017* -
## Chemistry

When using the Heisenberg uncertainty principle, and you are seeking to find delta x, and are given both the velocity and delta v, does the velocity even matter? The equation only states that h/ (4 times pi times mass times delta v) = delta x.

*asked on October 19, 2017* -
## history

Explain how the tension between globalization and national sovereignty has manifested itself historically and how it is evident in the development of international law

*asked on September 25, 2017* -
## Math

I have a report due and I have to find the dimensions of three different-sized juice cartons and Calculate the surface area of each carton. Evaluate the packaging for which conserves resources the best. Help? I have no juice cartons or anything around?

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

Given points (0, 0) and (3, 6), find the point which partitions the segment into 3:2 Please explain?

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

Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer. Help!

*asked on September 6, 2017* -
## english

For my english project I am asked to do the following, "write a research project that is 850 words long in MLA format. My teacher asks the following, in part 2, summarize the findings of your articles and provide commentary and analysis of the information

*asked on August 8, 2017* -
## calc

1.A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window find the dimensions of a Norman window of maximum area when the total permeter is 16ft. 2. A rectangle is bounded by the x axis and the semicircle

*asked on July 8, 2017* -
## Calc

A rectangular page is to contain 30 sqaure inches of print. The margins on each side are 1 inch. Find the dimensions of the page sucha that the least amount of paper is used. A farmer plans to fence a rectangular pasture adjacent to a river. The pasture

*asked on July 7, 2017* -
## CALC

can someon help me find the horzontial and verticle asymptotes for x square root 4-x^2. For HA someone told me none but I dont understand how and is the VA -2 and 2. Please help and show all work Thank you

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

can someone help me get the first and second derviative for X square root 4-X^2. For the first derviative I did this by using the equation F(x)g'(x)+g(x)f'(x). After using this my final answer is looking something like -X^2/(4-x^2)^1/2+ (4-x^2)^1/2 I am

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

Four 6.5-kg spheres are located at the corners of a square of side 0.70 m . Calculate the magnitude of the gravitational force exerted on one sphere by the other three. Calculate the direction of the gravitational force exerted on one sphere by the other

*asked on June 6, 2017* -
## language arts

1. Part A What paragraphs provide dialogue that introduces the play's main conflict. a. paragraphs 3-4 b. paragraphs 6-7 c. paragraphs 12-13 d. paragraphs 18-19

*asked on May 11, 2017* -
## VSU

Am influenza epidemic hits. large city and spreads at the rate of 12e^0.2t new cases per day, where t is the number of days since the epidemic began. The epidemic began 4 cases. find the number of cases during the first 30 days.

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

THERE IS 1/2 A PAN OF BROWNIES LEFT. FOUR CHILDREN ARE GOING TO SHARE IT EQUALLY. WHAT FRACTION OF THE WHOLE PAN OF BROWNIES WILL EACH CHILD GET? 1/2÷4= OR 1/2×1/4= WHAT AM I DOING WRONG ?

*asked on May 1, 2017* -
## Microbes and Society

In Chapter 9 of the Bible, in the book of Exodus, the sixth plague of Egypt is described in this way: “Then the Lord said to Moses and Aaron, ‘Take double handful soot from a furnace, and in the presence of Pharaoh, let Moses scatter it toward the sky.

*asked on April 21, 2017* -
## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

*asked on April 16, 2017* -
## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

*asked on April 14, 2017* -
## Chemistry

Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

*asked on April 13, 2017* -
## Chemistry Homework

Hello! Could someone help me with this? I'm confused on what to do. Thanks!! The mole fraction of carbon dioxide (CO2) in water is 0.25. Determine the molarity of CO2. The density of the solution is 1.0 g/mL.

*asked on April 5, 2017* -
## Alegbra

A study recently confirmed that of every 100 citizens of a certain state 40 are considered overweight . There were 288 million citizens of this state in 2001 . how many would be considered overweight

*asked on April 3, 2017* -
## algebra

8 x + 4 = 68

*asked on March 29, 2017* -
## algebra

6 x, when x = 7 Evaluate

*asked on March 29, 2017* -
## Bus. Math

Misu Sheet, owner of the Bedspread Shop, knows his customers will pay no more than $140 for a comforter. Misu wants a 25% markup on cost instead of on selling price. What is Misu’s cost? (Round your answer to the nearest cent.)

*asked on March 26, 2017* -
## psychology

I need a topic that is minimum risk and ethical that the goal is to examine the effects of the independent variable on the dependent variable

*asked on March 23, 2017* -
## psychology

I'm needing a research topic for proposal that has minimum risk to participates and can be experimented. please help

*asked on March 23, 2017* -
## research proposal plan

I need help bad I need a topic that uses to groups and has a minimum risk which can be experimented

*asked on March 21, 2017* -
## history

During the rapid urbanization of the late-19th century, _______________________ maximized the use of urban space by housing large numbers of people in cramped, and often unsafe, conditions. tenements projects row houses skyscrapers

*asked on March 21, 2017* -
## math

Write a related addition sentence 26-24=2

*asked on March 18, 2017* -
## MATH

Vail Ski Shop received a $1,201 invoice dated July 8 with 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. (If more than one discount, assume date of last discount) a. What credit should Vail receive? Credit $ b. What is Vail’s

*asked on March 12, 2017* -
## History

which of the following were instrumental in General grants plan to end the civil war.select 2 that apply A. using generals who would obey without question***** B.engaging financial help from european allies C. destorying anything in the south that would

*asked on March 1, 2017* -
## Ed Tech - CHECK MY ANSWERS PLEASE

I just took an Ed Tech assessment and so could someone check my answers before I turn it in? Thanks!! 1.) What did the STRICT study generally find about the effect of Internet use on sleep? A. Teens who use the Internet and phone after bedtime have a

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

a good debatable thesis for A good citizen A good citizen is honest and works hard so they could provide for the family

*asked on February 19, 2017* -
## Math - Sequences

Could someone help me with this question?? What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? A. 15, 30, 45, 60 B. 15, 16.5, 18, 19.5 C. 15, 22.5, 33.75, 50.625 D. None of the above

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

I need a good debatable thesis please help

*asked on February 9, 2017* -
## english

When a paragraph tells a story, which method of organization is being used? A. specific-to-general order B. spatial order C. importance order D. chronological order my answer is B

*asked on February 7, 2017* -
## Algebra

−20 times a number minus 36 is equal to -45 less than a number unknown is x write equation.

*asked on February 4, 2017* -
## Algebra

61 times a number minus 83 is equal to -59 less than a number write equation

*asked on February 4, 2017* -
## Algebra

If 4.7 plus 3.2 times a number equals the sum of the number and 52.7 what is the number write out the equation and solve.

*asked on February 4, 2017* -
## Algebra

The sum of two consecutive even integers is −126

*asked on February 4, 2017* -
## microbes and society

Which of the following is the correct sequence of steps in the scientific method? Answers: a. observation - prediction - hypothesis - observation - hypothesis b. hypothesis - observation - prediction - hypothesis - observation c. observation - hypothesis -

*asked on February 2, 2017* -
## Biology

Why would the GBI (Georgia Bureau of Investigation) want to use gel electrophoresis? A. Determine if someone has a genetic disease B. Determine the paternity of a child C. Determine the proper genetic sequence to make insulin D. Determine the identity of a

*asked on February 2, 2017* -
## Biology

DNA is a nucleic acid made up of monomers called A. nucleotides B. polypeptides A?

*asked on February 2, 2017* -
## Microbes and Society

The Forer Test of Personality that you took while reading this week's lecture notes appeared, at first glance, to offer insightful results. Later, you discovered that it actually displayed poor Answers: a. Divergent Validity b. Convergent Validity c.

*asked on February 2, 2017* -
## Microbes and Society

Why do boiling inactivates a toxin (protein) produced by Clostridium botulinum

*asked on February 1, 2017* -
## Microbes and Society

There are four organic molecules essential for Â weel-being of bacteria- carbohydrates, lipids, nucleicÂ acids, and proteins. Which one you would eliminate in order toÂ destroy bacterium?

*asked on February 1, 2017* -
## Microbes and Society

Which of the following is the correct sequence of steps in the scientific method? a. observation - prediction - hypothesis - observation - hypothesis b. hypothesis - observation - prediction - hypothesis - observation c. observation - hypothesis -

*asked on January 31, 2017* -
## Microbes and Society

Which of the following is the correct sequence of steps in the scientific method? a. observation - prediction - hypothesis - observation - hypothesis b. hypothesis - observation - prediction - hypothesis - observation wrong c. observation - hypothesis -

*asked on January 31, 2017* -
## Microbes and Society

Which of the following is not a good example of a scientific hypothesis (i.e., the hypothesis you would set up to test against the null hypothesis)? Answers: a. Smaller class size is related to better academic performance. b. There is no relationship

*asked on January 31, 2017* -
## Microbes and Society

The “central dogma” is a supposedly firm principle that explains how genes function in cells. With the emergence of AIDS, the central dogma has come into question because of the ability of the AIDS virus to convert RNA into DNA. What is the central

*asked on January 31, 2017* -
## Microbes and Society

one type of organic molecule in a bacterial species as a way of eliminating the microbe.

*asked on January 31, 2017* -
## Biology

A heterozygous brown eyed (Bb) parent and a homozygous brown eyed parent (BB) have offspring. Which of these genotypes would not occur in their offspring? A. bb B. Bb C. BB Not positive but A?

*asked on January 30, 2017* -
## Biology

A genotype represented by the letters TT is considered to be which of the following? A. Heterozygous dominant B. Homozygous recessive C. Homozygous dominant D. Heterozygous recessive A? Not sure

*asked on January 30, 2017* -
## Biology

The short stem trait (t) is recessive to the tall stem trait (T). If a homozygous short pea plant is crossed with a heterozygous tall plant, what is the chance that the offspring will be short? A. one out of four B. three out of four C. all four D. two out

*asked on January 30, 2017* -
## Biology

John has blue eyes. Blue eyes are recessive to the dominant trait for brown eye color. His genotype is bb. What is Johns phenotype? I don't know. Explain?

*asked on January 30, 2017* -
## Biology

Mendel crossed two pea plants. One pea plant was homozygous tall (TT) and the other was homozygous short (tt). What are the possible phenotypes (how many tall plants and how many short plants did he get?) I don't understand questions like this.

*asked on January 30, 2017* -
## Biology

A homozygous short dog (dd) is crossed with a heterozygous tall dog (Dd). What is the probability that the offspring will be short? Not sure ?

*asked on January 30, 2017* -
## MICROBES and society

Which living things can harbor prion-like proteins?

*asked on January 30, 2017* -
## Microbes and Society

Which living things can harbor prion-like proteins?

*asked on January 30, 2017* -
## Microbes and Society

The toxin associated with the foodborne disease botulism is a protein. To avoid botulism, home canners are advised to heat preserved foods to boiling for at least 12 minutes. How does the heat help?

*asked on January 30, 2017* -
## english

Identify the compoundâ€‹ verb: On theâ€‹ weekends, I exercise and do things with friends. A. â€‹exercise, do things B. â€‹exercise, do C, on the weekends

*asked on January 29, 2017* -
## English

Identify the correct sentence. A. Neither Bill nor Linda ever wish to see that snarling cat again. B. Bill and Linda hope never to see that snarling cat again. C. Bill and Linda wishes they would never see that snarling cat again. D. Bill and Linda hopes

*asked on January 28, 2017* -
## Mean (Average) Question

I have ten lions with litter sizes of: 1,2,4,0,3,5,2,1,0. To calculate the mean am I dividing by the number of values in the set (9) or by the sample size of 10? Thanks.

*asked on January 28, 2017* -
## Math

On Wednesday you drove from home to work at 60 mph and got there in 23 minutes. On Thursday you drove at 69 mph. Round answers to nearest 10th. Use: R 1 T 1 = R 2 T 2 (double click this to see clearer) Round answer to the nearest 10th and use

*asked on January 25, 2017* -
## Biology

A green flower (GG) is crossed with a white flower (gg). Which combination of alleles is a possible outcome? * a. GG only b. gg only c. Gg only Not sure to be honest? Help?

*asked on January 18, 2017* -
## Physics

How to get the equivalent resistance in this figure -----------r2------- | | | Battery. R1 R3 | | | -----------R4------ Values: R1= 90 R2= 50 R3= 40 R4= 20

*asked on December 12, 2016* -
## Math (Algebra)

A chemistry student needs to make 60 liters of a 30% alcohol solution. He has a 20% alcohol solution and a 40% alcohol solution in the lab. How many liters of each strength does he need to mix together *The system of equations I did was: a+b=60 &

*asked on November 12, 2016* -
## Vectors

A fishing boat leaves port at 8 miles per hour at a bearing of 220∘ for 5 hours, then turns to a bearing of 270∘ at 11 miles per hour for 4 hours, and finally changes to a bearing of 300∘ at 9 miles per hour for 4 hours. At this point, the boat heads

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

Jimmy opens a savings account with a $200 deposit at the beginning of the month. The account earns 4.6% annual interest compounded monthly. At the beginning of each subsequent month, Jimmy deposits an additional $200. How much will the account be worth at

*asked on October 31, 2016* -
## math

An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 93 students in the school. There are 35 in the Spanish class, 31 in the French class, and 22 in the German class.

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

Each student receives the same number of pencils and the same number of notebooks. This year she gave out 96 pencils and 72 notebooks. Which is the greatest number of students that can be in Ms. Thomas’s class this year?

*asked on October 26, 2016* -
## Calc answer check

True or false If y =ax+b then DeltaY/DeltaX = dy/dx If Y= x+c then dy = dx If you can measure the length and width of a rectangle correct within .1 cm, then the calculated area will be correct within .1 cm as well. I have True for the first 2 and false for

*asked on October 26, 2016* -
## Math Help!

Help me please. Not sure how to solve this. Can someone show me how to do it step by step. -2/5x-9

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

In ΔABC, A=75 degrees and b=6. Giving your answer in interval notation, find the range of values of a such that: only one triangle is possible. two different triangles are possible. Please explain or show work!

*asked on October 16, 2016* -
## Math

Henry walks out of his hall and proceeds to walk 160 feet due north. He then turns left (west) and walks 150 more feet. Finally, he turns 65 degrees left and walks 280 feet. How many feet is Henry from his starting point?

*asked on October 16, 2016* -
## chemistry

Calculate the solubility of in water at a partial pressure of of 140. torr at 25°C. The Henry's law constant for is for Henry's law in the form C = kP, where C is the gas concentration (mol/L).

*asked on October 5, 2016*