Friday
October 21, 2016

# Posts by April

Total # Posts: 646

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?
October 13, 2016

Concepts in number sense
An odd number whose thousands digit is twice its hundreds digit
September 13, 2016

Maths
Prove (cosecθ-cotθ)^2=1-cosθ÷1+cosθ
August 23, 2016

American Government
The answer is not D, it is C. Unicameral legislature, just did the unit test and Ms. Sue gave wrong answer.
August 21, 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
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
June 23, 2016

Language Arts
I believe it is D then..?
May 12, 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 Matt tired to hike the ...
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 what are the E1 ...
April 16, 2016

Pedro has a bad back and can only lift 32 lbs. 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 lbs, how much does 1...
April 11, 2016

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 lbs, how much does 1...
April 11, 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
April 10, 2016

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?
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?
April 10, 2016

Math
Victor can ride his bike 15 miles on 2 hours. He uses this ratio 15:2, to write an equation that shows the relationship between the distance he bikes and the times it takes. Victo's work is shown below. Is his equation correct? h=km 15=k*2 7.5=k So, the equation is h=7.5m ...
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?
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 four cars needs oil. b. ...
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?
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.
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.
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
January 11, 2016

Math
Where did the 10 come from ? 3^2 is 9
January 6, 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
January 6, 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?
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
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
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
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.
December 8, 2015

Math
<2.3>*<4,3>
December 7, 2015

Math
It is possible to have an angle where sin A > 1. True or False
December 7, 2015

Math
cotA = tan(90degrees- A) True or False The vectors <4, 5> and <-10, 8> are orthogonal True or False 2<3, 5> = 16 True or False <2. 3>*<4, 3> = <2, 6> + <4, 5> = Find c if a = 3, b = 5, and A = 30degrees=
December 3, 2015

Math
cotA = tan(90degrees- A) True or False The vectors <4, 5> and <-10, 8> are orthogonal True or False 2<3, 5> = 16 True or False <2. 3>*<4, 3> = <2, 6> + <4, 5> = Find c if a = 3, b = 5, and A = 30degrees=
December 3, 2015

Math
A plane is flying on a course with a vector of <250, 100>, where the 250 is the speed due north, and the 100 is the speed due east. The wind is blowing <25, 5> where the directions are also north and east, in the same order. How fast is the plane flying? All values...
December 3, 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 .
November 20, 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 .
November 17, 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
November 4, 2015

Math
November 4, 2015

Math
Which of the following options is an equivalent function to f(x) = 4(3^2x? A.f(x)= 36^x B.f(x)= 4(9)^x C.f(x)= 144^x D.f(x)= 4(6x) I think that's how you put the exponents in standard notation
November 4, 2015

Math
It is exponents
November 4, 2015

Math
Which of the following options results in a graph that shows exponential growth? A.f(X)= 0.4(3)^X B.f(X)= 3(0.5)^X C.f(X)= 0.8(0.9)^X D.f(X)= 0.9(5)^-X
November 4, 2015

Math
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.
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.
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)
October 3, 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)
October 3, 2015

math
Find the symbols for degrees, minutes and seconds on your calculator. Then find cot(43‹41Œ13"). 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 ...
September 25, 2015

Trigonometry
Find the symbols for degrees, minutes and seconds on your calculator. Then find cot(43‹41Œ13"). 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 ...
September 21, 2015

English
Thank you!!!!!
September 16, 2015

English
September 16, 2015

English
Oops! I'm sorry! OK, my answers. #7 - Proper. #8 - Collective. #9 - Compound. #10 - Common.
September 16, 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 river. (2 points) ...
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
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?
September 10, 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?
September 10, 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 Earth make?
August 24, 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 Conservation Corps
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?
July 23, 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.
June 16, 2015

Finance
what is the present value of \$2500 per year for 9 years discounted back to the present at 11 percent?
June 9, 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.
April 6, 2015

us history
Who explored enough of South America to deem it a new continent?
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 atmosphere and the ...
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 atmosphere and the ...
March 28, 2015

Body Systems II
Arteries carry blood ________ the heart.
March 28, 2015

Social Studies
Thanks, Doppleganger I just got 100%
March 17, 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 equation d=4(32)?
March 17, 2015

Science
Haha, me too. :)
February 26, 2015

Science
Your name, it's Meredith Grey so I was wondering if you watched Grey's Anatomy?
February 26, 2015

Science
Thank you, you really helped me understand this better. You want Grey's Anatomy, don't you? :)
February 26, 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
February 12, 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 simplest form.
February 10, 2015

algebera
Kylie is right The answer are 1.B 2.C 3.B 4.A 5.B I got a 100% with these answers
February 10, 2015

word problems
I am totally confused by the way you did this. It totally lost me. Can you please tell me in a different way? Where did you get the 12 from in your fractions?
January 15, 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 shadow?
January 15, 2015

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
December 10, 2014

7.615 so 8
October 15, 2014

Math
Thank you so much!
October 13, 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 the science test?
October 13, 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?
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
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
September 2, 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?
September 2, 2014

why are you using 150 in the second example isn't it supposed to be 120?
August 28, 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?
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)
July 23, 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?
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 ?
July 15, 2014

Social Studies
yes that is correct
July 15, 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)
July 10, 2014

Algebra 2
Which matrix equation is equivalent to 3x+2y-5z=20 5x-10y+8z=17 -8+11y-2z=29
May 19, 2014

biology help
The cells in the retina that detect color and bright light are called _________ cells.
May 19, 2014

biology help
my first answer on the first question antidiuretic i'm not sure on second answer
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.
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 on the final exam ...
May 1, 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 required participants to ...
April 30, 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, all of the ...
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 in percentages (...
April 29, 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. Hospital admissions are ...
April 28, 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 commercial, (2) radio ...
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.
April 8, 2014

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