# Joseph

Newest questions and responses by Joseph-
## Health

Identify two factors that affect your health that as a teenager you can control.

*asked on January 10, 2019* -
## Physics

A progressive wave equation is given by y=a sin (200(pie)t -(pie)x/17) Find; 1) The wavelength 2) Velocity 3) Frequency 4) Period

*asked on December 21, 2018* -
## Algebra 2

Find the trigonometric ratios. Right triangle A B C has right angle C with side A B equal to 53, B C equal to 28, and C A equal to 45.

*asked on December 5, 2018* -
## physics

a stainless steel orthodontic wire is applied to a tooth.the wire has an upstretched length of 3.1cm and a radius of 0.11mm.if the wire is stretched 0.10mm,find the magnitude and direction of the force on the tooth.disregard the width of the tooth assume

*asked on November 19, 2018* -
## Precalc

Assume the annual number of skin cancer deaths increases geometrically, instead of arithmetically. Use the same starting number of 9,300 in 2000 and 200,000 in 2050. Select the number closest to the ratio of number of deaths from year to year.

*asked on November 10, 2018* -
## algebra

A pay for service internet company charges 4 dollars per hour for the first 10 hours of service plus a 5 dollar connection fee. What is the domain and range The domain i believe is 1, 2, 3, 4, 5, 6, 7,8,9,10 I don't know the range. Thank you

*asked on October 31, 2018* -
## algebra

A pay for service internet company charges 4 dollars per hour for the first 7 hours of service plus a 5 dollar connection fee. What is the domain and range The domain i believe is 1, 2, 3, 4, 5, 6, 7 I don't know the range. Thank you

*asked on October 31, 2018* -
## physics

A golfer hits a ball from the origin with an initial speed of 30.0 m/s at an angle of 50 degrees above the horizontal. The ball lands on a green that is 5.00 m above the level where the ball was struck. (a) How long was the ball in the air? (b) How far has

*asked on October 26, 2018* -
## Physics

The radius of the planet Venus is nearly the same as that of the earth, but its mass is only 80% that of the earth, if an object weighs we on the earth, what does it weighs on Venus?

*asked on October 21, 2018* -
## math

the 5 term of a gp is 4375 and the 2 term is 35 find (a)the 3 (b)the 6 (c)the sum of the first five terms

*asked on October 15, 2018* -
## Math

Which equation represents a line that is parallel to the line whose equation is 3x - 2y = 7 A) Y= -3/2x + 5 B)Y= -2/3x + 4 C)Y= 3/2x - 5 D)Y= 2/3x - 4 I chose c

*asked on October 11, 2018* -
## Math

A transversal intersects two lines. Which conditions would always make the two lines parallel? A) Vertical Angles are Congruent B) Alternate interior angles are congruent C) Corresponding angles are supplementary D) Same-side interior angles are

*asked on October 10, 2018* -
## Chemistry

Balance this equation 2Cd(No3)2 + (NH2)2S-2CdS +2NH4No3

*asked on October 3, 2018* -
## Function Notations s

I have no idea what to do here. [f(2)-f(1)]-[f(1)-f(0)] f(s)=s^2-6s-9

*asked on September 10, 2018* -
## Functions

Milk is leaking from a carton at a rate of 3mL/min. There is 1.2 L of milk in the carton at 11:00 a.m. How much will be left in the carton at 1:00 p.m.? f(x)=1200-3x

*asked on September 10, 2018* -
## S.S

Which of the following best describes Georgia’s role in the War of 1812? A.The war was mainly fought in Georgia.* B.Georgians were afraid that the British would threaten their trade. C.Georgia was the place the peace treaty was written. D.British forces

*asked on August 31, 2018* -
## S.S

Which of the following was an event leading to the removal of Creeks and Cherokees in Georgia? (Choose all that apply.) A.the Treaty of Washington B.the Treaty of Ghent C.the Treaty of New Echota D.the addition of Florida as a U.S. territory* I think it is

*asked on August 30, 2018* -
## S.S

What was the name of the illegal land deal in which Georgia legislators accepted bribes from land companies in exchange for the right to purchase millions of acres of Georgia territory? A.the Georgia Land Grab B.the Trail of Tears* C.the Yazoo land fraud

*asked on August 30, 2018* -
## science

A weight machine _____. A.decreases the amount of input force required B.increases the input distance C.changes the direction of the input force D.reduces the amount of input work i think it is C please help me

*asked on August 29, 2018* -
## science

Which statement is not true of simple machines? A.They can change the amount of work done on an object. B.They can change the distance over which you apply a force. C.They can change the direction in which you apply a force. D.They can change the amount of

*asked on August 29, 2018* -
## science

Which is a true statement? A.Power is the amount of force exerted on an object over a unit of time. B.An object with more power does the same amount of work in more time. C.An object with more power does the same amount of work in less time. D.The work

*asked on August 27, 2018* -
## social studies

Which issue did NOT create conflict in the development of the government structure in 1787? A. including slaves in the population count B. basing representation in the federal government on population size C. dividing the new government into three

*asked on August 23, 2018* -
## Biology

Give me three biological procedures applied in onion root tips experiment.

*asked on August 23, 2018* -
## social studies

Which of the following statements best describes the role of a Georgia representative at the Constitutional Convention? A. William Pierce cast a vote, breaking a tie over the Bill of Rights. B. William Few voted with the large states, leading to the

*asked on August 22, 2018* -
## social studies

Which statement best explains the outcome of the Battle of the Rice Boats incident? A. The British surrendered the port and were forced to return to Britain. B. The patriots managed to drive the British from Savannah temporarily. C. The British were able

*asked on August 21, 2018* -
## social studies

4.What was the Antifederalists’ greatest opposition to the Constitution? A. They wanted to keep power in the hands of large business owners. B. They worried it would create the same abuses of power that the colonies faced.* C. It outlawed slavery in the

*asked on August 20, 2018* -
## Maths

3x-4y=24 and 5x+3y=11

*asked on May 27, 2018* -
## maths

solve the equation using cramer's rule. 3x+2y=12 and 2x+3y=7

*asked on May 27, 2018* -
## Maths

A certain number of children shared 42 sweets,each child got 8 sweet how many children shared the sweet?

*asked on May 13, 2018* -
## Chemistry

At 25oC, the equilibrium pressure of ammonia vapour above a 0.500 M aqueous ammonia solution is 0.84 kPa. Calculate the Henry's law constant for ammonia in M/bar. Do not include units. Include 4 significant figures.

*asked on February 8, 2018* -
## Science

Why do meteors start to burn in atmosphere?

*asked on February 2, 2018* -
## Unit Rates

I need help solving unit rates. I'll give an example: e.g.: 75% High-fiber chimp food to 25% High-protein chimp food. I just want to know the steps required to solve these.

*asked on January 30, 2018* -
## math

if 1/2,1/x,1/3 are successive terms of an arithmetic progression. Show that 2-x /x-3 = 2/3.

*asked on December 27, 2017* -
## language

Barbra Jordan believes that we must put our faith in children because?

*asked on November 23, 2017* -
## Mathematics

Perfume is sold in two different sizes of bottle The 80ml bottle is priced at £55 The 50ml bottle is usually priced at £45, but is on special offer If you buy one 50ml bottle of perfume, you get a second for half price By calculating the price per ml

*asked on November 11, 2017* -
## Science, Chemistry

A 25.0 mL sample of a 0.0600 M solution of aqueous trimethylamine is titrated with a 0.0750 M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (CH3)3N = 4.19 at 25°C. I already calculated pH

*asked on November 6, 2017* -
## Math

Compute K(ω)=20lg(1/(1+τ⋅ω)12), as ω=1.3, τ=R⋅C, R=992 ja C=0.001. Use two decimals in your answer. K(1.3)=

*asked on October 21, 2017* -
## CHEMISTRY

CONC.OF NO2^-AND H3O^+IN A SOLUTION IN WHICH 4.5% OH HNO2 WAS IONIZED

*asked on October 20, 2017* -
## Law

How do law reports help drive judicial precedent? Thank you.

*asked on October 15, 2017* -
## Physics

The constant resistance of a resistor is 30 ohms, independent of the temperature. The resistor is made up of an aluminium resistor with resistance R1 at 0°C in series with a carbon resistor with resistance R2 at 0°C. Evaluate R1 and R2, temperature

*asked on October 8, 2017* -
## physics

a motorbike weighs 400kg accelerates uniformly at 1.5m/s2 from rest to 22m/s. then the brakes are applied and it stops 2.5s later. (a)Sketch a graph showing the motion history (b)From the sketch,determine the total distance traveled (c)Determine the

*asked on September 6, 2017* -
## Math

Five years ago, a father was 3 times as old as his son. Now, their combined ages amount to 110 years. Thus, the present age of the father is?

*asked on September 4, 2017* -
## MATHS

sequence and series

*asked on August 8, 2017* -
## math

a rectangular field is 3/4 of a mile long and 2/10 of a mile wide . what is the field in square miles ?

*asked on May 26, 2017* -
## Math

Thinking of two whole numbers. The product of the two numbers is 28. Their difference is 3. What are the numbers?

*asked on May 23, 2017* -
## Chemistry

A solution is made by dissolving 10.20 grams of glucose (C6H12O6) in 355 grams of water. What is the freezing point depression of the solvent if the freezing point constant is -1.86 °C/m?

*asked on May 19, 2017* -
## pre-al

If you roll a standard number cube 42 times, how many times do you expect the cube to show a six or an eight?

*asked on May 9, 2017* -
## Social Studies

1.What was North Korea's response to president George W. Bush's 2001 threat to stop negotiations? A.North Korea immediately gave into his list of conditions B.North Korea resumed to nuclear program C.North Korea sought the help of the United National

*asked on May 1, 2017* -
## Calculus

Estimate the area under the graph of f(x)=cos((pi/4)x) from x=-2 to x=2 using 3 rectangles of equal width, using left and right endpoints.?

*asked on April 2, 2017* -
## Mathematics

X+6 _________ | \ | \ |x-1 \ | \ |____________\ 3x-4 The area of the trapezium is 119cm. What is the value of x? Thank you.

*asked on March 25, 2017* -
## Mathematics

X+6 _________ | \ | \ |x-1 \ | \ |_____________\ 3x-4 The area of the trapezium is 119cm. What is the value of x? Thank you.

*asked on March 25, 2017* -
## Mathematics

A rectangle has been divided into two strips, A and B. The strips have the same width. 2/5 of strip A is shaded. 5/8 of strip B is shaded. The length of the rectangle is 40cm. What fraction of the rectangle is not shaded? Thank you. Joseph.

*asked on March 24, 2017* -
## Physics

A wet bar of soap slides freely down a ramp 17.0 m long, inclined at 38.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)

*asked on February 22, 2017* -
## math algebra

Sum the following term of progression to the last term, logx, logx^2 logx^3.... logx^120

*asked on February 12, 2017* -
## physics

Lake Champlain, bordered by New York, Vermont, and Quebec, has a surface area of 1,126 km^2. If the energy (173 PJ) is provided by sunlight shining on the lake at an average rate of 200 W/m^2 but with only half that amount absorbed, how long will it take

*asked on February 10, 2017* -
## Science

Pls help me solve this question pls. A stone of mass 6.5kg is thrown vertically upward with velocity with 10m/s find a. the potential energy at the greatest height and the value of h .b the kinetic energy of reaching the ground again(g=10m/s2) in physics?

*asked on February 5, 2017* -
## Physics

A 15 ft plank of mass 50 kg is laid across two ladders. The ladders are 5 ft apart, and the plank is laid such that 5 ft of it hang off at each end. You have a mass of 90 kg. (a) How far out past the ladder can you walk before it gets dangerous? I tried

*asked on December 12, 2016* -
## Algebra

Write an equation for a function that has a graph with the given characteristics. The shape of y=^3 squareroot x is shifted 7.3 units to the left. This graph is then vertically stretched by a factor of 9. Finally, the graph is reflected across the

*asked on December 7, 2016* -
## Math

Convert to an exponential equation. log Subscript w Q=13 Thanks

*asked on December 7, 2016* -
## Chemistry

How many mL of 0.100 M NaOH are required to neutralize (or titrate) 25.0 mL of 0.15 M H3PO4?

*asked on December 1, 2016* -
## math

Jenifer jogs at the rate of 3 3/4 miles per hour. How far does she jog in 1 5/6 hours?

*asked on November 9, 2016* -
## physical chemistry

The ice skate of a 210-pound hockey player is in contact with the ice over a 2.5mm x 15cm area. Determine the freezing point of the ice under the blade of the skate?

*asked on November 1, 2016* -
## Chemistry

Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The enthalpy of formation of MX2 is ΔHf° = –799 kJ/mol. The enthalpy of sublimation of M is ΔHsub = 157 kJ/mol. The first and second ionization energies of M

*asked on October 31, 2016* -
## physics

The ice skate of a 210-pound hockey player is in contact with the ice over a 2.5mm x 15cm area. Determine the freezing point of the ice under the blade of the skate?

*asked on October 30, 2016* -
## chemistry

The ice skate of a 210-pound hockey player is in contact with the ice over a 2.5mm x 15cm area. Determine the freezing point of the ice under the blade of the skate?

*asked on October 30, 2016* -
## physics

Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3.

*asked on October 30, 2016* -
## chemistry

Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3.

*asked on October 30, 2016* -
## chemistry

For each pair of compounds, predict which species will have the higher molar entropy at 298 K and 1 bar. Be sure to state your reasons for your choice. 1. N2(g) vs. F2(g) 2. ICl (g) vs. BrF(g) 3. 6Li(s) vs. 7Li(s)

*asked on October 24, 2016* -
## Calculus

I want to know how to find the local linearization. So in this problem I'm doing, I'm given the f(x) equation and it says "about x = 0" I'm suppose to approximate value of f(0.3) Are there specific steps I need to take to go about this problem?

*asked on October 10, 2016* -
## Algebra

Can someone help me with this equation? The length of a rectangle is (2x+3) and the width is (x-6). Write the equation and solve to find the value of x if the perimeter of the rectangle is 90 centimeters.

*asked on September 9, 2016* -
## Math

Use a tree diagram or systematic list to determine the number of ways a nickel, a dime, and a quarter can be flipped to get exactly one tail.

*asked on September 4, 2016* -
## math

The gradient of a curve at (1,-11) is ax^2 + b at all points. The tangent at (2,-16) is parallel to the x-axis. Find a and b and the equation of the curve

*asked on June 21, 2016* -
## Math

A class of 23 students was using square tiles to build rectangular shapes. Each student had more than 1 tile and each had a different number of tiles. Each student was able to build only one shape of rectangle. All tiles had to be used to build a rectangle

*asked on June 20, 2016* -
## trade science

Final length of the bar of copper whose original length was 75mm When heated through 50 degrees

*asked on June 6, 2016* -
## trade science

Co-efficient of cubical expansion

*asked on June 6, 2016* -
## trade science

Final length of the bar of copper whose original length was 75mm When heated through 50 degrees

*asked on June 6, 2016* -
## math

a girl walks 800 m on a bearing of 129 degrees.calculate how far east and south she is from her starting point.

*asked on May 16, 2016* -
## math

the brown family boarded a train at 3:55 P.M. to go home from the county fair. it took them 25 minutes to get to the train station from the fair. they spent 75 minutes at the fair. what time did they arrive at the fair

*asked on May 4, 2016* -
## math

the volume of a rectangular prism is 2,058 cm3. The length of the prism is three times the width. The height is 14 centimeters. Find the other dimensions

*asked on April 13, 2016* -
## math

most unsharpened pencils are hexagonal prisms. describe a vertical and horizontal cross section of a pencil

*asked on April 13, 2016* -
## Math

Trying to find the volume of a rectangle. The lenght is 8/9 the wideth is 1/6 and the height is 1/3. And can't seem to solve the problem. Can you please help

*asked on April 12, 2016* -
## Math

What is the ratio in fraction form for 9 pints to 2 quarts

*asked on April 11, 2016* -
## english

what is the meaning of the Root bell

*asked on March 14, 2016* -
## Physics

An object 20cm high is placed 40cm from a lens of focal length 24cm. Calculate: a) The power of the Lens? b) The distance from the lens to the position of the image?

*asked on March 7, 2016* -
## Chemistry

An interference filter is to be constructed for isolation of the nitrobenzene absorption band at 1537 cm-1. (a) If it is to be based on first-order interference, what should be the thickness of the dielectric layer (refractive index of 1.34)? (b) What

*asked on February 26, 2016* -
## Chemistry

For the gratings (84.0 lines per millimeter and 15.0 mm of illuminated area) calculate the wavelengths on the first and second-order diffraction spectra at reflective angles of (a) 20 degrees and (b) 0 degrees. Assume the angle of incidence is 45 degrees.

*asked on February 26, 2016* -
## physics

weights of man 10kg and 8kg are placed near p and q respectively one each end of the beam calculate the Reactions at p and q. [1kg is 10N]

*asked on February 21, 2016* -
## physics

a uniform beam 6.0m long and weighing 4kg on support of p and q placed let and right 1.0m from each end of the beam

*asked on February 21, 2016* -
## math

find the hidden question. single load cost $2 and double load cost $4

*asked on February 11, 2016* -
## Math

11 + 2z= 14.78 Find the variable

*asked on January 28, 2016* -
## Math

14 + y/8 = 10 What is the variable?

*asked on January 28, 2016* -
## Math

13+d=44 What does the variable represent

*asked on January 28, 2016* -
## Math

5/6 (2g+1)-g Simplify the expression

*asked on January 28, 2016* -
## Math

Two even integers are represented by 2n and 2n+2. Explain how you can find the value of those integers if their sum is 14. Name the integers.

*asked on January 28, 2016* -
## chemistry (moles)

2.5g of a mixture of anhydrous BaOH and BaCl2 was dissolved in distilled water and made up to 250cm3. 20cm3 of this solution required 19cm3 of 0.1moldm3 of dilute nitric acid for complete reaction. Calculate the percentage by mass of BaCl2 present in the

*asked on January 22, 2016* -
## Math

A percentage that represents the yearly increase in prices of things you buy is called

*asked on January 15, 2016* -
## MATH

You are asked to calculate the weight that a hotel elevator can safely carry. You should expect your answer to be

*asked on January 14, 2016* -
## math

Mr. Dunn drives a 12 mile round trip 3 times a week to the dog park. How many miles does he drive?

*asked on January 13, 2016* -
## Math

Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80

*asked on January 1, 2016* -
## maths physics chemistry

State the principle on which each of the following is based. (a) the equation of continuity, Av = constant (b) the Bernoulli equation

*asked on December 29, 2015*