Posts by Bob

Total # Posts: 3,303

HELP plz
I would say c

math
am I right Mrs.sue

math
HE USED 21 LIGHTBULBS . BEUASE 12 THINGS IS A DOZEN AND 12x3=36. THEN I DID 36-15=21.

Physics
A boat leaves the shore of a stream. It starts directly across from point A, as shown. The velocity of the boat is 5.2 m/s, at an angle ? = 25E as shown. The stream is 94 meters across, and is moving at 1.5 m/s. How far downstream from point A does the boat land? Round your ...

Physics
An aircraft travels 250 km on a heading of 330 degrees. It then turns due east and travels 420 km. How far and on what heading did it end up from it's starting point? Please help!!!

math
You conduct an experiment of dice rolling and roll a six 14 times out of 56 rolls. Write both the experimental probability and the theoretical probability in fraction and percent form.

geometry
The two non-parallel sides of an isosceles trapezoid are each 7 feet long. The longer of the two bases measures 22 feet long. The sum of the base angles is 140°. a. Find the length of the diagonal. b. Find the length of the shorter base. Round your answers to the nearest ...

geometry
Steve it was wrong.

geometry
George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and extends 12 inches beyond the edge of the pool. A rope runs along the edge of the cover to secure it in place. a. What is the area of the pool cover? b. What is the ...

math
what is the answer for it

SAT Math
Thank you Damon.

SAT Math
If x/w=28 and 5yw=3, then xy=?

Us history
Which of these is an example of a monetary incentive A. Having fun walking a dog B. Making friends on a sports team C. Learning a new skill by studying it D. Earning a allowance for doing chores

Personal Finance
I believe The Answer is D

Personal Finance
Which type of computation would a person use to determine current value of a desired amount for the future? A. Present value of a series of deposits B. Future value of a single amount C. Future value of a series of deposits D. Present value of a single amount

HELP
why are cherry blossoms called cherry blossoms if they don't have cherries

science
why are cherry blossoms called cherry blossoms

studies
Why was inflation a problem after World War II?

Math
When Alina was hungry she ate c cookies, which was 30% of all the cookies she had. How many cookies did she have in the beginning?

Math
There were d passengers in the train. 15% of all of them went in the first car, 20% went in the second car. How many passengers were in the rest of the train?

Math
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?

Math
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?

Geometry
This 3 dimensional shape has 6 faces that are triangles as well as one base that is a polygon. what is this shape?

Math
I am a 3 dimensional shape whose 8 faces are equilateral triangles. What am I?

5th Grade English Grammar
Are the answers: colorful, more colorful, most colorful late, later, latest northern, more northern, most northern troubled, more troubled, most troubled straight, straighter, straightest friendly, more friendly, most friendly dry, drier, driest safe, safer, safest useful, ...

5th Grade English Grammar
worst is worst, worst, worst?

5th Grade English Grammar
positive comparative superlative for troubled, straight, friendly, dry, safe, useful, flat, willing, blue, worst, and sad. Thanks.

Math
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and the other is tails. Does this mean that the probability of getting one head and one tail is 1/3?

Math
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and the other is tails. Does this mean that the probability of getting one head and one tail is 1/3?

Calculus
Consider the equation xy2 ? x2y = 6. (a) Find all points on the graph when x = 2. (b) Find a formula for dy dx in terms of x and y. (c) Find the tangent lines for the points you found in the ?rst part

Caclulu
consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=0 then F(x)=

Caclulus
A particle is moving as given by the data below 4sin(t)-3cos(t); s(0)=0

Calculus
A particle is moving as given by the data below 4sin(t)-3cos(t); s(0)=0

Calculus
consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=) then F(x)=

Calculus
Consider the function f(x)= x^3+5 sqrt(x) Let F(x) be the antiderrivative of f(x) with F(10=-9

Calculus
Find the anti derivative for 4/(x^2+1)

Calculus
Apply the concepts of calculus (limits and derivatives) to describe the graph y = sec(x). Include a quality graph

Chemistry
1. The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10^?8 L/mol/s. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10^?4 M? 2. The rate constant for the first-...

Calculus
Find all solutions to the equation with 0 is less then or equal to a is less then or equal to 2pi Give an exact answer if possible, otherwise give value(s) ofa accurate to at least four decimal places. 4tan(a)+5=2 a= how do i find a

Trigonometry
That doesnt really help me solve for theta

Trigonometry
If possible find a solution to 2 cos(theta)=-0612. theta=

Calculus
Find all solutions to tan(theta)=1/sqroot(3). In the interval 0 less then or equal to theta less then or equal to 2pi. Theta=

Calcalus
Solve the equations below exactly Give your answers in radians, and find all possible values for t If there is more than one answer, enter your solutions in a comma separated list (a) sin(t)= sqroot(2)/2 when t= (b) cos(t)=1/2 when t= (c) tan(t)=-1 when t=

Calculus
If cos of theta= -7/12 and theta is in quadrant 2 then find a. tan(theta) cot (theta)= b. csc(theta) tan(theta)= c. sin^2(theta)+ cos^2(theta)=

Algebra 2
Claire has borrowed $\$5,\!000$. She plans to pay off the loan in full after two payments. She will make one payment in 3 years, then another payment in 6 years. The second payment will be exactly double the amount of the first payment. How much is the first payment if the ...

Algebra 2
Claire has borrowed $\$5,\!000$. She plans to pay off the loan in full after two payments. She will make one payment in 3 years, then another payment in 6 years. The second payment will be exactly double the amount of the first payment. How much is the first payment if the ...

English
Is under a preposition? True or False.

Math
hjd

precalc
Suppose that u=log(2) and v=log(5). Find possible formulas for the following expressions in terms of u and/or v. Your answers should NOT involve any log's. a) log(0.4)= b) log(0.08)= c) log(2500)=

math
24sqrt3-36

science
Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...

Math
your cousin borrow 5000 at an interest rate of 7.5% and the rest at an interest rate of 12% the total paid is 819 . how much did your cousin borrow at each rate

Math
Describe a real world situation that could be represented by planes slicing a three dimensional figure to form cross sections

Calculus
In 1979, a biologist Reto Zach published a study on how crows drop whelks, a type of mollusk, from a height that minimized the amount of energy spent to break open the shells. Drop from too low a height, and the bird has to pick the shell up many times before it breaks. Drop ...

Calculus
Quotient Rule: Use the limit definition of the derivative to prove that the quotient rule

math
Steve is correct

Social Studies
Actually the answers are A C D I got 2/3 for >..< answer but for connexus it's 100% correct :)

Social Studies
Actually the answers are A C D I got 2/3 for >..< answer but for connexus it's 100% correct :)

Mechanical principles
A car initially at rest experiences uniform acceleration of 5 m/s2 for 6 sec. It maintains constant velocity for 14 sec and is then brought to rest in 5 sec by a uniform retardation. a) Using the formula, find out how far the car has travelled. b) Find the total angular ...

Data
Bridget works part time in a shoe store. Sometimes when it is not busy, she rearranges the shoes for fun. If she takes six different pairs of shoes and rearranges them in a row, in how many ways can she rearrange them so that no two shoes match? Is the answer 478 955 520 or ...

Math ASAP
In a survey, one out of three people named blue as their favorite color. Two out of seven named red. If 1,092 people were included in the survey, how many named neither blue nor red as their favorite color? A. 416 people B. 432 people C. 540 people D. 512 people

Math
2. Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one in every three homes has two cars A. 5 to 2, 5:2, 5/2 B. 1 to 3, 1:3, 1/3 C. 5 to 3, 5:3, 5/5 D. 3 to 2, 3:2, 3/2

math
A window in a building is 15.0m above the ground. From this window the angle of elevation to the top of the second building is 32degrees and the angle of depression to the bottom of the second building is 17degrees. What is the height of the second building? -diagram needed ...

math
The table shows the number of people that went to see a movie last week. Use these statements to complete the table. On Thursday, 60% of the moviegoers were male. On Friday, 35% of the moviegoers were male. On Saturday, 70% of the moviegoers were female. On Sunday, 45% of the ...

Dating with Radioactivity
TruthOverload is 100% right! Just took the test!

Math
A company runs food service concessions for sporting events throughout the country. Their marketing research department chose a particular football stadium to test market a new jumbo hot dog. It was found that the demand for the new hot dog is given approximately by p=6?ln(x),...

Math
Abby has 45 dogs and ciara has 8000 dogs.Add the dogs 8000 +. 45

science
This question can not be answered as you need to know the mass (or weight, since we're on earth) of the stone: PE = mass x height x acceleration KE = mass x velocity^2 / 2

math
This equation is known as the slope intercept equation, usually written as y = mx + b, that represents straight lines on a graph. The value of m = 3/5 and represents the slope of the line or the angle at which the line is drawn, while the value of b = 6 means the line crosses ...

Meth
Yes

world history
1. Which of the following would Locke most Favor? A. Republic B. Oligarchy C. Theocracy D. Absolute monarchy

Science
In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?

Physics
A hammer of mass m falls from rest off of a roof and drops a height H onto your head. a) Assuming that the tool is in actual contact with your head for a time ?t before it stops and slides off, what is the algebraic expression for the average force it exerts on your skull ...

Physics
The engineer of a passenger train moving at 29.0 m/s sees a freight train 360.m ahead on the track moving at 6.00 m/s. The engineer takes 0.400 seconds to react, and then applies the brakes. At what rate must the passenger train then decelerate in order to avoid a collision? ...

Physics
I haven't learned momentum yet, is there any way to do it with only Forces and F=ma as well as kinematics? Thanks

Physics
A 55kg person pushes on the floor with 800 N of force for 0.25 seconds. How high do they jump off the ground? I know how to find acceleration but I can't find distance.

Math
To begin with the amount of lemonade in a jug was 5 times the amount in a cup. Another 15th was then poured into each if the containers.The amount of lemonade in the jug was then 3 times the amount in the cup. How much lemonade was in the jug to begin with?

English
oh man i really need this done but if you think i will get better answers than ok.

English
but the lesson is over chapters 1-7?

English
Yes i'v read up to chapter 7

English
--The Watsons go to Birmingham- 1. Which of the following passages from the novel most accurately reflects the political climate of the United States in the early sixties? A. Let's see, where was the 'Coloreds only' bathroom downtown? B. Bright in the spot where ...

Math
A boat has a mass of 5680 kg. Its engines generate a drive force of 3380 N due west, while the wind exerts a force of 990 N due east and the water exerts a resistive force of 1310 N due east. Take west to be the positive direction. What...

HELP ME PLZ MATH
What are the answers!!!!

Math
draw a line with a slope of 1/4 through the point (0 -4)

Math
so what is the answer

Math
x = e, 5, 7, 10, 12 y = 10, 13, 19, f, 34 a. f = 28; e = 4 b. e = 28; f = 4 c. f = 30; e = 2 d. e = 30; 5 = 2

math
Find all values of x such that x^2-5x + 4=0. If you find more than one value, then list your solutions in increasing order, separated by commas.

Social Studies
The answer the question is B

Science
idk

Maths
it was wrong

calculus
suppose that c(x)=3x^3 - 12x^2 +9000x is the cost of manufacturing x items. find a production level that will minimize the average cost of making x items

physics
A skate boarder traveling at a constant speed of 22 m/s on a road comes to a straight incline with a constant slope (do not use g for incline). While going up the incline, the skater has constant deceleration. If she is 16m up the incline after 12.0 s A) what is the ...

math
rate = L/H rate = 100L/H therefore: 100 = 550/H H = 550/100 = 5.5 hours.

Physics
You demonstrate hitting a board in a karate class. The speed of your hand as it hits the thick board is 12 m/s with respect to the board, and the mass of your hand is about 0.74 kg. How deep does your hand go into the board before stopping if the collision lasts for 2.0×...

fraction
I'm trying to find the common denominator for these numbers 5/7 4/9 2/3

Morales
A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it has the same length. The area of the green box is 39 square inches more than the area of the black box.

Morales
A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it has the same length. The area of the green box is 39 square inches more than the area of the black box.

math
14130

English please help
are these right?

Math
Indira predicts that the actual difference of 19 - 7.82 will be greater than the estimate of 19 - 8 = 11. Indira correct ? Explain how Indira might have arrived at that prediction without subtracting the actual numbers.

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