Timothy

This page lists questions and answers that were posted by visitors named Timothy.

Questions

The following questions were asked by visitors named Timothy.

I just needto check to see if i'm right... It would be false right? Is the statement below true or false? All triangles have three angles, or all squares have nine sides. True False

Hello all, In our math class, we are practicing the trigonometric identities (i.e., sin^2(x)+cos^2(x)=1 or cot(x)=cos(x)/sin(x). Now, we are working on proofs that two sides of an equation are equal (for example, sin(x)*csc(x)=1; sin(x)csc(x)=sin(x)/sin(x...

Hello, everyone: I am working on finding the exact values of angles that are less common and are therefor not found easily on the Unit Circle (at least, they are not labeled). For example, the problem I am asking about is: 10) Find the exact values of the...

what is the dividend to the following equation? /3 2/5=10

Please help me I am confused on this math problem. solve. y/8-8/y=0 what are the solutions? Wouldn't they be 0?

If lim x->6 f(x)g(x) exists, then the limit must be f(6)g(6). True or false? Explain why it's true or false. Help!

Which of the following statements about boiling points are false: A. the boiling point of 0.1 m KF(aq) is lower than the boiling point of 0.1 m ethanol(aq) B. the boiling point of a 0.5 m aqueous solution of NaOH is the same as the boiling point of a 0.5...

A boy throws a stone vertically up to a man standing at a heigt of 2 m above the boy. Of the stone is thrown up with a velocity of 7.0m s what is the velocity of the stone at the instant when it is caught by the man. A clear explaination is greatly apprec...

Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.

how can you protect your own eletronic siginture?

A small rock moves in water, and the force exerted on it by the water is given by the equation Fd = kv, where k is a constant. The terminal speed of the rock is measured and found to be 2.0m/s. The rock is projected upward at an initial speed of 6.0m/s. Y...

I have to put these in the past tense-Are they correct? 1. Tú hablas por teléfono. Tú habaste por teléfono. 2. Nosostros bailamos mucho los fines de semana. This would be the same in past tense, I think?? 3. Tú y yo cantamos los domingos. This would also...

Five fences meet at a point to form angles with measures x, 2x, 3x, 4x, and 5x around the point. Find the measure of each angle.

Which is the correct verbal usage of the following sentence? I let it there while I stood and applauded or I left it there while I stood and applauded?

ive got 2 questions: the star Vega is 25 lightyears away from us. if we sent a radio message to Vega, and another civilization on a planet circling that star answered us, in what year could we expect to hear a reply? why was it necessary to make radio tel...

Mg+H2O=MgOH+H2 What is the ionic equation,the spectator ions and the overall or net ionic equations?

Explain what would happen when bromine water is added to potassium iodide solution and what is its balanced chemical equation?

HCL+Al=AlCl3+H2 What is the ionic equation,the spectator ions and the overall or net ionic equations?

A student reacted 5.33 grams of cobalt with oxygen gas and obtained 7.50 grams of cobalt oxide. Determine the empirical formula of this cobalt-oxygen compound based upon this experiment.

How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 325.0 ml of 0.070 M solution?

Waht animals are in the Nile Delta? I already have crocodile & hippo. I need 1 more mammal, a type of fish, and an insect.

3. Which method would be the simplest way to solve the system? y =1/2 x 2x + 3y = 28 A.) graphing B.) substitution C.) elimination D.) distributive I think it is B.

6. In which quadrant does the solution of the system fall? y = x – 1 y = –3x – 5 A.) I B.) II C.) III D.) IV I think it is c.

2. What is the solution of the system? 7x + 5y = 19 –7x – 2y = –16 A.) (2, 1) B.) (1, 2) C.) (7, 5) D.) (–7, –2) I think it is A.

3x – 7y < –21 how would I graph this? Please help.

How did Roosevelt’s response to German aggression toward Britain differ from his response to Japanese aggression toward China? I think it is C or D? A.He condemned the aggression toward China but not toward Britain. B.He condemned the aggression toward Br...

How do i write a ratio into excel

A rocket is fired with 9.37 km/hr, find the maximum altitude. (no air resistance)

A skydiver falls in air reaching terminal velocity, he shouts to his friend at 2000 Hz. His friend receives it at 2355 Hz, what is the divers speed?

A dog (canis familiaris) and a coyote (canis latrans) will readiliy mate in captivity and their offspring are healthy and fully fertile. Are we justified in saying they are distinct species? What might this tell us about the history of dogs and coyotes?

A knife thrower throws a knife toward a 300-g target that is sliding in her direction at a speed of 2.30 m/s on a horizontal frictionless surface. She throws a 22.5-g knife at the target with a speed of 39.5 m/s. The target is stopped by the impact and th...

1) Which solution will have the lowest OH- A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 2) Which solution will be the strongest base? A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 3) Which aqueous solutions are acidic? A) Na2CO3 and NaHCO3 B) NaCl and...

If you see an object rotating, is there necessarily net torque acting on it? Explain

Two balls have the same size and mass. One is hollow, the other one is solid. How would you determine which is which without breaking them apart?

In relation to Economics, explain the difference between nominal data and real data? *if someone can help me understand this better, I would be greatful.

A Coast Guard ship patrols an area of 125 square miles. The area the ship patrols is a square. About how long is each side of the square? Round your answer to the nearest mile.

is the square root of 9 a rational number?

Is 16.6 a rational number?

A hammer with a 500-g head exerts an average force of 810n on a nail speed as it drives the nail 4 mm into wall. What was the speed of the hammer head when it hit the nail?

Assume the z test statistic equals 0.99, find the the p-value if Ha:p> 0.50

Jessica is 4 years younger than Jennifer now. In 10 years, Jessica will be twice the age that Jennifer is now. Find the present ages of Jennifer and Jessica

The critical angle between an equilateral prism and air is 45 degrees.if the incident ray is perpendicular to the refracting surface,then what happens?

There is a football field. Around the field is the section of a spectator. The edge of the football field is 5 meters distance from the outside edge of the section of the spectator. The section of the viewer is 130m in length and has a width of 85m. The u...

What equation do I use to find this? Thanks The x and y components of a certain force are measured and found to be Fx = 68 ± 3N and Fy = 42 ± 2 N, respectively. Calculate the error associated with the magnitude of this force?

Sorry, I didn't see that there was a second part to the question. What is the difference between this one and the previous question I posted? The x and y components of a certain force are measured and found to be Fx = 68 ± 3N and Fy = 42 ± 2 N, respective...

Hello, could you guys let me know if this looks right? Thanks in advance. A ball is fired at a speed of 8 m/s at 20 degrees above the horizontal from the top of a 5m high wall. a) what is the total velocity at the maximum height? b) how far from the launc...

How do you find the scalar product of two vectors, A=8m along the y-axis in the negative direction and B=15m, 30 degrees from the y-axis in the first quadrant. Thanks!

A) An object with mass M=10kg is held on a incline. The object and the incline surfaces have a static friction coefficient of 0.3. What is the maximum angle at which the object starts moving? B) Again, suppose that the force in A) is a push applied horizo...

When a crate is moving on a track where friction is not negligible. The friction force is said to be kinetic friction static friction Non existant

Paul runs a speed of 9 miles per hour. How many miles per second is his speed?

The electric field from an infinitely large and uniformly charged sheet is independent of the distance from the sheet, yet the individual charges in the sheet all produce fields that object the inverse square law. Why doesn't the field get weaker at great...

on one side of my street the homes all have odd numbers ending with the musa which is number 16 On the other side the number are all even ending with nwosu which is number 17 Femi olu is my next door neighbor and his house is number 9 you pass my house wh...

Leap Math Pretest Grade 7 Please Help ASAP

write 2.3 x 10^3 in standard form

write 5x5x5x5x5x5x5 using an exponent

what is a key difference between the narrators of stolen day and the night the bed fell

why do living things need food water and the ability to get rid of waste

when writing a personal narrative what point of view would be best to use

to place the caption at the top of the image you will need to change the

use rounding or compatible numbers to estimate the sum 5 x 2 3/5

1. -7/9 x 3/5 2. -2/5 x -1 1/4 3. 1 3/5 x - 3/4 4. -7/8 x -1 3/7

animals with bilateral symmetry

x+2y = 87, x+y =52. The value of 4x-3y is?

If the radius of a right circular cylinder is tripled and its altitude is cut in half, then the ratio of the volume of the original cylinder to the volume of the altered cylinder is?

Hey I am doing test corrections and need help, Which of the following inverse functions are defined for x=-1/2 ? Select all that apply. Y=tan^-1 x Y=cos^-1 x Y=sin^-1 x Y=csc^-1 x Y=sec^-1 x Y=cot^-1 x

Suppose a block of mass of lead of mass 0.4kg at temperature 95°C is dropped in 2kg of water originally at 20°C in a container.calculate the final temperature if no heat is lost to the container and environment;

A man is in a tree house 7ft above the ground. He is looking at the top of another tree that is 24ft tall. The bases of the trees are 40ft apart. What is the angle of elevation from the mans feet to the top of the tree? Round to the nearest degree. 23 31...

What is it that comes i. Once in a year ii. Twice in a months iii. Four times in a week iv. Six times in a day

The squares of three positive integers are in arithmetic progression, and the third integer is 12 greater than the first. Find the second integer.

A rectangular cube with sides measuring 4 cm, is made with 1 cm^3 blocks. Two straight tunnels of 4 cubes each are taken out. All exposed surfaces are painted including inside the tunnels. How many small cubes have been painted on exactly 3 faces?

ABC is a right triangle with each leg divided into 5 equal segments as shown. If the largest trapezoid has the area 36 cm^2, then the area of the second smallest trapezoid is what?

If x is positive, and x is decreased by 3, then a^2 - x^2 is a) increased by 6x-9 b) increased by 6x c)decreased by 9 d)increased by 6x+9 e)decreased by 6x-9

Given that a^2-b^2=0280 and a+b = 20, find the value of a-b.

how many cm³ of hydrogen chloride gas at stp would be required to precipitate all the silver ions from 32cm³ of 0.08molar silver nitrate solution?

In one to two sentences, identify a text that you have read recently that falls into the category of narrative nonfiction. Which characteristics of the text tell you that it is an example of narrative nonfiction?

What is the volume of a cone with slant height 5 and a radius of 3. This is my first time doing a volume problem. How would I set this up in order to find Area and height for the volume equation v=1/3 A H?

The 2nd and 5th terms of a GP are -6 and 48, respectively.find the sum of the first four terms.

(Take g= 10m/s2 weight of 1g mass =0.01N) Calculate the weight of a stone of mass 10kg and density 10000km/m3 when it totally immersed in water. A) 10N B) 100N c) 1000N D) 0.01N E) 0.001N

Raise the quantity in parentheses to the indicated exponent and simplify the resulting expression with positive exponents. ((-27x^0 y^(-2))/(54x^(-5) y^(-4) ))^(-2)

21 more than mable’s height is 70

Obtain the first four term in the expansion of (2x-3y)*15

When coal is burned completely into carbon dioxide and other gases, the total amount of matter of the gases _____.*

A force of 4n is applied to a body in a given direction and further force of 3n is applied at the same point on the body in any direction, the resultant force could have values

A train left town A for town B. The journey took 3 hours 40 minutes. The train arrived at town B at 11:05am, what time did the train leave town A?

The volume of a cylinder of radius 14cm is 210cm³ what is the curved surface area of the cylinder

Calculate the number of 2 3/8 inch pieces of wire that can be cut from a 95 inch coil

Answers

The following answers were posted by visitors named Timothy.

Thank you very much for the assistance. I understand this perfectly. Have a good day. :)

The equation to simply put words into numbers would be....."500x + 700x - 700 = 2100"..... Then if you solved for "x", you would get x=7/3. So the plane and jet will meet in 7/3 hours. If yoy add that to 12:00 PM being noon, you would get 2:20, so the pla...

Ohh okay thank you for your help. So the anser is -8 correct?

I think it would be 20 right?

Ms. Sue I have read it and im confused on the +-8, im not sure if that is a plus sign or T, sorry for the confusion.

Thank you Ms. Sue

Thank you for this wonderful answere, haha no HW ftw

m=12grams Molar Mass= 180.18 V=.1L n= m/MM= 0.067 moles. Molarity= n/V= .067/.1= .67 M1V1=M2V2 => 0.67(.05)=M2(.5) Solve for M2 and you get .067 M= m/VMM : Molarty= mass/ Volume x Molar Mass so m= MVMM : mass= Molarity x Volume x Molar Mass m= .067(.1)(18...

Because like dissolves like. Oil is a nonpolar molecule which then is the same as sugar. They are both nonpolar.

Does that give me a negative velocity?

Thank you - can you check the other 2 that are submitted and not answered - thanks again

Thank you - 2 more :)

Thank you .....I got it right...

Let X be the money must be deposited today. 120000=X*(1+(7.4%/4))^(4*14) 120000=X*2.791372958... X=42989.59753 So in order to have $120000 in 14 years, at least deposit $42990 in to bank.

Lun Is Right Guys Made A 100%

Bro lun You Rock

I think its 1/4 + 3/8 Im Not Sure

Please Help Asap

The Answer Should Be 40

Its Right I Double Checked It

Confused so want answer to that question please help me out??

Nope, there is no additional information.

Correction a^2-b^2 = *-280*

Ques 15 is really true as innovations are more often based on what is already known.

I will post them shortly.

You may use this for checking your answers, 1. First box, Colonies, Second box, Natural Resources 2. Cambodia-Buddhism Malaysia-Islam The Philippines-Christanity Vietnam-Budhisim 3. Drag and drop the events to put them in the correct order from earliest (...

Sorry It took so long, I wanted to make sure they were all right!

i need an answer

Two forces acts at right angles to each other and have resultant of 98N.calculate the magnitude of the forces if one of them makes angle of 60dgree with the resultant

One characteristic used to place organisms into kingdoms is

Calculate the number of 2 3/8 inch pieces of wire that can be cut from a 95 inch coil(there is no wastage in cutting)