# Posts by James

Total # Posts: 2,459

**English**

i thought same thing first ty

**English**

is point of view a literary element or literary technique?

**maths**

Three numbers are in the ratio 1:3:4. If the difference between the two smaller ones is 10, what are the numbers?

**Physics**

The number of revolution made by a fly wheel change from 300rpm to1500rpm in 10s.Calculate angular acceleration assuming it to be uniform .Also calculate the number of revolution made during the time?

**Social Studies**

A A C A D C B A

**math**

A data set is shown below. x y 1 6.00 2 5.04 3 4.23 4 3.56 5 2.99 6 2.51 7 2.11 Using an exponential best-fit model, what is the residual when x = 1. Round your answer to the nearest hundredth. This is the problem i dont understand line of best fit i dont get at all

**math**

wrong problem please nobody respond

**math**

A set of data is shown below. x: –1 0 1 2 3 4 5 y: 3 7 5 6 7 8 Using a line of best fit, what is the value of the residual for the data at x = 2? Round your answer to the nearest thousandth. I dont remember line of best fit if you could please explain this problem.

**Math**

sorry i meant 111 calories

**Math**

81 calories

**US History**

Thanks Ms.Sue for your opinion! Even tho i had to use my own thoughts.

**US History**

Roosevelt asserted that the expanded reach of the federal government to solve economic problems was not an essential change to the Constitution. Do you agree? Why or why not?

**English**

We are currently learning about types of communications in my english class, we were each given a question and I need help with mine. 9. You are working in a face-to-face group and one of your group members offers a suggestion which the group decides not to use. The group ...

**math**

A river flows at the speed of v from west to east. How should a man who is at a point A of the southern bank of the river, which is d meters away from the river, and wants to reach a point B on the northern bank of the river, which is 2d meters away from the river, choose his ...

**Math**

1) The manager of a warehouse would like to know how many errors are made when a product’s serial number is read by a bar-code reader. There are 24 errors after 1000 scans. Is it reasonable for the manager to expect less than 5% errors in 1000 scans? 2) Just to be sure, ...

**Math**

A manufacturer of flea collars for animals that weigh less than 5 kilograms injects the collars with 15 milligrams of a biocide that only acts on fleas. The manufacturer will release a collar that has no less than 14 milligrams and no more than 16 milligrams of insecticide. ...

**science **

. A runner jumps over a hurdle. Neglecting friction, the potential energy of the runner at the highest point compared to his kinetic energy at the lowest point is

**Geometry**

"Find the perimeter of the figure, where AC=26, AD=BF, and D is the midpoint of AC. Round your answer to the nearest tenth."

**algebra**

determine the numerical measure of each angle of parallelogram x+40 3x-20 x= m/_M= m/_I= m/_L= m/_K=

**Physics**

An anti-aircraft gun fires at an elevation of 60 degree at an enemy aircraft at 10000m above the ground. At what speed must the cannon be shot to hit the plane at that height? (g=9.8)

**Social Studies**

C D A A B D

**SS**

Thanks guwop

**art**

42.68

**Math Plz help ASAP**

1.C 2. B 3. C 4. b 5. A 100%

**Chem**

How do peroxides differ from other group of oxide?

**basic calculus**

A page is to contain 54 square centimeters of printed material. If the margins are 1 cm at the top and bottom and 0.5 cm at the sides, find the most economical width of the page (in cm).

**Physics**

Explain in detail how you would find the density of an unknown high-density object if you had only the objects listed below.If you show calculations, make sure you define your variables.Assume all containers are large enough to hold the object.... You have: 1. - A spring scale...

**Physics**

V=m/d I understand how to solve for volume but there doesn't seem to be a definitive mass for air and helium in this answer, can I get some more help please? Or should I just do two equations (1.25=800/v and .18=800/v) but then what do I do? Im a little confused

**Physics**

You want to carry an 800kg object into the air using a helium balloon. What size of a helium balloon (I'm looking for volume) would be required to accomplish such a task? Assume the density of air is 1.25 kg/m3 and the density of helium is 0.18 kg/m3.

**Math**

The formula for the volume of a cube is V equals S3 where X represents the side length of the cube find the volume of a cube with side length of 0.5 millimeters

**physics**

Calculate the rotational inertia of a wheel that has a kinetic energy of 24,400 J when rotating at 677 rev/min. I know that I = mr^2 and that T = Ia; also I calculated 677rpm to be 70.9 radians/sec. But I don't understand how to integrate KE into this.

**MATH**

it is 7cm and 4 miles

**Math**

fred is more than 3 years more than twice the age of jane. the sum of their ages is 48. how old is each?

**Physics**

A car mass of 900kg travelling at 15m/s crashes into a wall and comes to rest in 0.3s. Calculate the average decelaration. Calculate the average force exerted

**social studies**

The answer are D, C, D, and A

**Social Studies**

Wrong

**science **

Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is required to lift a 35-kg object from the ...

**Social Studies**

Thanks tessa

**Math- Inequalities**

Hey, how would I start off solving (x-5)(x+2)<0???

**U.S history**

what are the powers of Maryland General Assembly and Baltimore city council.

**riddle**

love

**Computing **

Pseudocode to describe how to get the information and output the area of a triangle. How do integrated development environment(IDE) help to create maintainable code? Thank you.

**Computing **

Pseudocode using a repeat-until loop to output the first five square numbers. Thank you.

**Computing **

Pseudocode to describe how to get the information and output of a triangle. Thank you.

**C**

Pseudocode: Write a pseudocode to describe how to calculate the average of 10 numbers. Thank you.

**Computing **

How do features of ide help to create machinable code?

**Computing **

What is the importance of file standards when including external files on a website page. Thank you.

**Social Studies**

Thank anonymous

**Physics**

An empty bottle weighs 20g and 60g when filled completely with water.What will it weigh when filled completely with mercury? 20÷60=0.3

**pre-algebra**

6 blank 3 divided by 9 blank 4 + 4=12 what are the blanks

**4th Grade Math**

Ben is helping plant tulips. He plants bulbs in two rows and has one bulb left over. So he tries again. He plants bulbs in three rows and has one bulb left over. So he tries again. He plants bulbs in four rows and has one bulb left over. So he tries again. He plants bulbs in ...

**Social studies**

Hey is right

**MATH 2**

It is found that the number of raisins in a box of a popular cereal is normally distributed, with a mean of 133 raisins per box and a standard deviation of 10 raisins. My cereal box has 147 raisins. What is the z-score for this box of cereal?

**science**

What was the answer?

**Math**

what times 35 to make 50

**Business Finance**

1. What is the actual present value of the lien ($8,000, 30 yrs @ 12% interest – do not calculate simple interest!)? 2. How much will the conservator have after the sale of the property closes?

**math**

A sphere of radius 7 m is circumscribed about a regular triangular prism. If the base edge of the prism is 1 m, find the volume of the prism (in m3). Round off your answer to four decimal places.

**Math**

Find the volume of the solid of revolution obtained by revolving the plane region R bounded by y= x^5, the y-axis, and the line y=3 about the x-axis I've gotten 15/7(3^(2/5))pi, but it's not right. Please help

**Calculus**

Find the volume of the solid of revolution obtained by revolving the plane region R bounded by y= x^5, the y-axis, and the line y=3 about the x-axis So far: y=x^5 is equal to x=5th root y. I've plugged that in to pi(r^2)h, and got V = pi ?[0,3] y^(2/5) dy. so far I've ...

**CHECKA Math!**

32.4%

**Math**

Please help someone

**Math**

I'm rounding to nearest hundred

**Math**

Four ways to round to 400

**Math**

what two numbers rounds to 600

**Math**

I am rounding to nearest 100

**Math**

What two numbers round to 700

**Calculus - Fundamental Thm of Calc**

Suppose F(t) is an antiderivative of t^{3}. Then F'(t)= t^3. According to the Second Fundamental Theorem of Calculus, x ? (t^3)dt = ??? 1 Answer using the function F

**math**

1/2 < -7/10 is this a true statement

**Physics**

An object is projected from a satellite orbiting 200 km above the surface of the earth. The object has a speed relative to the Earth of 2.85×104 m/s. What is its speed when it is very far from the earth?

**Psychics**

Super man lived on Krypton where acceleration due to gravity is 23.6 m/s^2. If a woman falls from a building that is 88.3 meters tall, how long does he have to save her before she hits the ground?

**Calc**

Find the values of C guaranteed by the mean value theorem for integrals. f(x)=x^3 [0,3]

**Math**

Rectangle perimeter and area length =2ft width =14in

**Physics**

A force of 123 N acts on a 10.0kg object for 45.6 meters. If the objects starts at rest, and the surface is flat and frictionless, how fast is the object moving after the force is removed. I got acceleration to be 12.3, but I am not sure how to move on with the problem.

**Calculus**

True/false: x^2-3 is concave up on the interval (-1,1) The second derivative of x^2-3 is just 2. How do I determine concavity of a function when I can't set it equal to 0? And then how do I answer this question when it's asking for a specific interval?

**Spanish**

D A A C B

**Chemistry**

In a similar experiment, a sample of tin metal was dissolved in nitric acid to produce 23.00 mL of solution containing Sn2+. Titration analysis resulted in the calculation that the concentration of Sn2+ in this solution was 0.65 mol/L. b. What mass of tin was used to make the ...

**Calculus - Special sum formulas**

Find a formula for Sum_{j=1}^n (j+3) (j-4) So far, I have foiled to j^2-j-12. Thus,Sum_{j=1}^n(j^2) - Sum_{j=1}^n(j) - Sum_{j=1}^n(12). From Special Sum formulas, I have gotten to n(n+1)(2n+1)/6 - n(n+1)/2 - 12n What do I do from here?

**Calculus - Differential Equations**

Use separation of variables to find the solution to the differential equation: 4 (du/dt) = u^2, subject to the initial condition u(0)=6.

**Calculus**

Find the xy-equation of the curve that passes through (-2, -2) and whose slope at any point on the curve is equal to 5 times the x-coordinate of that point

**Calc**

A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 90 inches (see figure). Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.)

**Calculus**

True or False If F(x) and G(x) are antiderivatives of f(x), then F(x)=G(x)+C If f'(x) = g(x) then integral g(x) dx = f(x) + C Integral f(x) * g(x)dx = integral f(x)dx * integral g(x)dx I have a feeling it's False True True

**Math**

Kate cycles the first 350 km of a 470 km journey at a certain average speed and the remaining distance at an average speed that is 15 km/h less than that for the first part of the journey. If the time taken for her to travel each part of her journey is the same, find the ...

**Calc**

If a car is driving in a straight line with constant acceleration a, initial velocity v0, and initial position s0, find a formula for the position function of the car. How would I solve this equation?

**chemistry**

what is the name of this coordination compound [CoSO4(NH3)5]Br?

**Math**

Ten analog measurements whose bandwidth is 4 kHz are to be transmitted simultaneously through a cable by time division multiplexing using PCM. Each message is sampled at a 10 kHz rate and amplitude quantized into 128 levels. The pulses are shaped with a near-ideal low pass ...

**Math**

We are given the problem of communicating a series of symbols, each of which can take on one of 512 values at a rate of f_s =〖10〗^5 symbols/s. A) What is the required bandwidth if PCM is used with m=1? B) Repeat for PAM with m=2, if each pulse can take on 8 ...

**Math**

A sausage sample was found to contain 65% moisture, based on fresh weight. The sausage was dried in an oven until its moisture content was 10%. A 2.0 g portion of the dried sausage was extracted with the Soxhlet method to determine the amount of crude fat. A clean Soxhlet ...

**History**

Thanks Ms.sue

**History**

How did George Mason influence the creation of Bill of Rights? A.He refused to sign the United States Constitution. B.He encouraged others to opposed the ratification of the Constitution. C.He assembled a anti-federalist convention in Virginia to discuss the matter. D.He wrote...

**chemistry**

0.350 L of 0.470 M H2SO4 is mixed with 0.300 L of 0.250 M KOH. What concentration of sulfuric acid remains after neutralization?

**Maths**

A plane flies a course of 346 degrees and then turns through 30 degrees in the clockwise direction. Find its new bearing. Since the plane from starting point covers a bearing of 346 degrees it's now going to be in the NW direction but going 30 more degrees clockwise that...

**Math**

the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile

**econ**

given p=68-4qd-qd^2 p=12+2qs+qs^2 where p is the price qd is the quantity demanded qs is the quantity supplied determine the uquilibrium and the quantity of the commodity

**Basic math**

A ladder 10 feet long leans against a building the base of the ladder is 6 feet how high is the paint where the ladder touches the building

**Basic math**

A 15 foot ladder propped against a wall the base of the ladder is 3 feet from the wall how far up the wall does the ladder reach.

**math 1**

What is the value of the expression below? (2^-4)(3^0)(7)/(5^-2)(4^-2)(175) Remember: Negative exponents in the denominator move to the top with its base, and negative exponents in the numerator move to the bottom with its base. In both cases you should drop the negative sign...

**math 1**

How do i put a pitcure because the problem is a picture

**math 1**

Please help with this i don't under stand it at all Hint: Copy and paste in in the search bar.

**math 1**

file:///C:/Users/Elvis/Downloads/34c349524b928a5f67768aa8eb6e1c02.png

**math**

Answer is -16 :)