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Posts by April

Total # Posts: 665

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?

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.

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)

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

Math
Sove the logarithmic equation x=log100(10)

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

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 Natasha returns from ...

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

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

Math
What ?

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

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

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

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

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 = 1.6kN/m). a. Calculate ...

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?

Concepts in number sense
An odd number whose thousands digit is twice its hundreds digit

Maths
Prove (cosecθ-cotθ)^2=1-cosθ÷1+cosθ

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

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

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

Language Arts
I believe it is D then..?

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 ...

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 ...

Math about weight
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...

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 lbs, how much does 1...

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

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?

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?

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 ...

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?

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. ...

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?

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.

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.

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

Math
Where did the 10 come from ? 3^2 is 9

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

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?

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

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

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

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

Math
<2.3>*<4,3>

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

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=

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=

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...

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 .

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 .

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

Math
The answer is b

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

Math
It is exponents

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

Math
Please Help

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.

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.

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)

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)

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 ...

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 ...

English
Thank you!!!!!

English
Can someone please tell me if I got the answers right?

English
Oops! I'm sorry! OK, my answers. #7 - Proper. #8 - Collective. #9 - Compound. #10 - Common.

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) ...

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

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

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

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?

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

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?

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.

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

social studies
I'm pretty sure "Teacher 2" is the same person..

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.

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

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 ...

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 ...

Body Systems II
Arteries carry blood ________ the heart.

Social Studies
Thanks, Doppleganger I just got 100%

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)?

Science
Haha, me too. :)

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

Science
Thank you, you really helped me understand this better. You want Grey's Anatomy, don't you? :)

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

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.

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

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?

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?

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

8th grade Math help
7.615 so 8

Math
Thank you so much!

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?

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?

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

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

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?

Advanced Math
why are you using 150 in the second example isn't it supposed to be 120?

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?

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