# Claire

Newest questions and responses by Claire-
## Calculus

Find the limit of the function algebraically. lim x approaches 0 (-7+x)/x^2

*asked on November 27, 2018* -
## Physics

What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 44 rpm (revolutions per minute) if the wheel's diameter is 31 cm?

*asked on November 20, 2018* -
## physics

The Navstar Global Positioning System (GPS) utilizes a group of 24 satellites orbiting the Earth. Using "triangulation" and signals transmitted by these satellites, the position of a receiver on the Earth can be determined to within an accuracy of a few

*asked on November 20, 2018* -
## Physics

Two objects attract each other gravitationally with a force of 2.9 10-10 N when they are 0.35 m apart. Their total mass is 4.0 kg. Find their individual masses.

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

Identify the maximum and minimum values of the function y = 8 cos x in the interval [–2π, 2π]. Use your understanding of transformations, not your graphing calculator.

*asked on November 15, 2018* -
## Calculus

Given that lim (4x − 2) = 2 x→1 illustrate Definition 2 by finding values of δ that correspond to ε = 0.5, ε = 0.1, and ε = 0.05. ε = 0.5 δ ≤ ε = 0.1 δ ≤ ε = 0.05 δ ≤

*asked on September 9, 2018* -
## Math

Last year you mowed grass and shoveled snow for 10 households. You earned $200 per household mowing for the entire season & $180 per household for shoveling the entire season. If you earned a total of $1880 last year, how many households did you mow and

*asked on September 1, 2018* -
## Maths

Emily is throwing a dice. Emily says the chances of her throwing an odd number are greater than even. Is she correct . explain why

*asked on February 10, 2018* -
## Math

What value of x makes this equation true: 3x + 2 + (-1) equals x + 6 + -1 ???

*asked on February 1, 2018* -
## Math

There are 50 lockers, numbered 1 throught 50, in a short hall at Phillips Middle School. Mr. Giannetti hid trears for his class in one of the lockers. He gave the class the following clues about the locker where the treats are located. Clue 1. The number

*asked on October 4, 2017* -
## Math

What is my number? Clue 1. My number is a multiple of 5, but it does not end in 5. Clue 2. The prime factorization of my number is a string of three numbers. Clue 3. Two of the numbers in the prime factorization are the same. Clue 4. My number is greater

*asked on October 4, 2017* -
## Math

What is my number? Clue 1. My number is a multiple of 5 and is less than 50. Clue 2. My number is a multiple of 3. Clue 3. My number has exactly 8 factors.

*asked on October 4, 2017* -
## Math

What is my number? Clue 1. My number is a perfect square. Clue 2. The only prime number in its prime factorization is 2. Clue 3. My number is a factor of 32. Clue 4. The sum of its digits is odd.

*asked on October 4, 2017* -
## Math

Jane is buying squid balls and noodles for her friends.Each cup of noodles costs Php 15 while each stick of squid balls costs Php 10.She only has Php 70 but needs to buy at least 3 stick of squid balls. A. Write a system of linear inequalities to model the

*asked on September 13, 2017* -
## Math

Ronald need to earn at least Php 2,500 from his two jobs to cover his weekly expenses.This week,he can work for at most 42 hours.His job as a gas station attendant pays Php 52.50 per hour while his job as parking attendant pays Php 40 per hour. A. Write a

*asked on September 13, 2017* -
## Math

Tickets for a play cost Php 250 for adults and Php 200 for children.The sponsor of the show collected a total amount of not more than lhp 44,000 from more than 150 adults and children who watched the play. A. What mathematical statements represents the

*asked on September 13, 2017* -
## math

A large picture,2m by 2m,is displayed on a wall.It is place in a frame with a border of uniform width. A. How would you represent the length of side of the frame? B. What expression represent the area of the frame?

*asked on June 24, 2017* -
## math

Dennis says that (2x-7)^2=(7-2x)^2.Do you agree with Dennis?Explain Answer please steve

*asked on June 24, 2017* -
## math

The dimension of a rectangular garden are represented by (x+7) and (x-7) A. What is the area of the garden? B. It is possible that x=7?how about x=-7?explaine why or why not. C. What could be the value of x? Please answer steve

*asked on June 24, 2017* -
## math

Thw dimension of a rectangular garden are represented by (x+7) (x-7) A. What is the area of the garden? B. It is possible that x=7?his about x=-7?explain why or why not? C. What could be the value of x?

*asked on June 24, 2017* -
## math

A large picture 2m by 2m is displayed on a wall it is place in a frame with a border of uniform width A. How would you represent the length of the side of the frame? B. What expression represent the area of the frame? Answer please

*asked on June 24, 2017* -
## math

Dennise says that (2x+7)^2=(7-2x)^2.Did you agree with dennised?explain.

*asked on June 24, 2017* -
## math

The dimension of a rectangular garden are represented by (x+7) (x-7) A. What is the area of the garden? B. It is possible that x=?how about x=-7?explain why or why not? C. What could be the value of x? I need answer to my homework now na please

*asked on June 24, 2017* -
## math

Anton use a square cardbaord to make an open box.He cut small squares of the same dimension from the corners of the card board then bent the side upward.The length of the sides of the cardboard is 28 cm. A. What expression represents the length of sides of

*asked on June 22, 2017* -
## atlantic

A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will last less than 10 years?

*asked on April 6, 2017* -
## Math Statistics

They used an exponential regression model where the predictor is time in months and the response var is money measure in thousands of dollars. Alpha 4.2 and Beta is 1.03 Based on this model, how much money (in thousands) will he have after six months? I am

*asked on March 26, 2017* -
## Math Statistics

I am confused I want to find the values of the equation of Yi=a + bxi. Time spent on twitter is the predictor variable and time spent working on twitter is the response The correlation between minutes spent on twitter and minutes spent working is -0.5 The

*asked on March 26, 2017* -
## Statistics

You look at the relationship between how much time people spend on the website ‘Bookface’ and how productive they are at work. time spent on Bookface is the predictor variable, and time spent working is the response variable. correlation between

*asked on March 23, 2017* -
## Statistics

I am confused by the following and need some help You want to find the values for the equation ŷi=a+bxi. What is the value of the slope? time spent on Bookface predictor variable, time spent working is the response variable. correlation between minutes

*asked on March 18, 2017* -
## Calculus

Find the volume of the solid obtained by rotating the region enclosed by the graphs x=y^{5} and x=5sqrty about the y-axis over the interval [0,1].

*asked on March 5, 2017* -
## Statistics Maths

Iam confused by this and need some help not sure if I am right about this = 3000-7.3x x 50 = 2635 regression equation: number of tickets = 3000 - 7.3x, where x = ticket price. If Yoncebé prices the tickets at $50, how many tickets is she predicted to

*asked on March 3, 2017* -
## French

I am a little confused as to how a sentence can have a what looks like a "complement de phrase" but is actually part of the subject. I am supposed to formulate a sentence that is like this. Thanks for any assistance.

*asked on February 16, 2017* -
## Physics

A 15.0 gram bullet with a speed of v is fired into a 400 gram block of wood that is initially at rest on a surface. The coefficient of kinetic friction between the block and the surface is 0.250. The block of wood is attached to a horizontal massless

*asked on February 9, 2017* -
## physics

A car brakes at constant acceleration from a velocity 226m/s to 12.5m/s over a distance of 105m.find; a)How much time elapses during this time interval. b)what is the acceleration. c)if the car continued to be braked at same constant acceleration how much

*asked on November 15, 2016* -
## Physics

A car starting from rest is uniformly accelerated so that it's velocity in 5 seconds is 36 km/h . It travels at this velocity for 5 seconds, and then a brake is applied to bring it to rest in the next 5 seconds. Find the total distance travelled

*asked on October 3, 2016* -
## Measurement - Distance

A and B are 525 km apart. Michael left A at 8am and travelled to B at a constant speed of 75 km/h. Chad left A some time later on his way to B. Chad passed Michael at 10:30 am and then travelled at an average speed of 90 km/h for the rest of his journey.

*asked on September 22, 2016* -
## Math for Ms. Sue

I'm Claire's grandma; a retired teacher of science and supplemental in math. I am stumped on her question about pizza tonight. I'm working via phone with her. Would you mind taking a look at it. I know the answer, but not sure how to explain the results.

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

A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how

*asked on September 21, 2016* -
## Algebra

32z= 216 I don't know how to do this algebraically.

*asked on September 14, 2016* -
## Chemistry

After you preform your experiment, you determine that the Kf value for naphthalene is 6.89 °C/m . You are using 10g of naphthalene and added 1.0 g of your unknown. The the freezing point of the solvent decreased by 4.42 °C when the unknown was added.

*asked on September 11, 2016* -
## Chemistry

How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -17 oC? Kf = 1.86 oC/m. I got 163.96 or 164 for my answer but that isn't correct and I don't know what I'm doing wrong.

*asked on September 11, 2016* -
## Precalculus

You are given the dollar value of a product in 2013 and the rate at which the value of the product is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the

*asked on September 1, 2016* -
## English

The poem small passing by I grid de kok is free verse so has no structure, but I am not sure what sound device is used to creat rhythm and form? Please help

*asked on August 29, 2016* -
## English

How does the poet creat contrast in the poem 'small passing' referring to the first section? Lines 1-35 I know what the contrast is. But not sure how to explain how it is created. So the contrast would be how a mother of a white child has. Lost her baby

*asked on August 29, 2016* -
## science

Ryan wants to identify an element. Which piece of information would best help Ryan identify the element?

*asked on August 29, 2016* -
## Math

4x8x4x8,base 4

*asked on June 30, 2016* -
## math

The value of y is inversely proportional to the value of x. When y=42 x=6. What is the value of y when x=9

*asked on May 31, 2016* -
## plz help math

The formula for the force between two objects is F=GMm/r^2 where M and m are the masses of the two objects, G is a constant, and r is the distance between them. Solve the formula for m .m=Fr^2/GM m=r^2/FGM m=GM/Fr^2 m=FGM/r^2

*asked on May 26, 2016* -
## math

Elimination was used to solve a system of equations. One of the intermediate steps led to the equation 9x=27 . Which of the following systems could have led to this equation? 4x+3y=24 −5x−3y=3 7x−2y=15 x+y=6 9x+2y=21 −9x−2y=21 10x−y=15

*asked on May 26, 2016* -
## math

The diameter of a hydrogen atom is about 5×10^-11 meter. Suppose 8.4×10^8 hydrogen atoms were arranged side by side in a straight line. Multiply these numbers to find the length of this line of atoms. What is the length in scientific notation?

*asked on May 19, 2016* -
## math

The volume of Jupiter is about 1.43*10^15 cubic kilometers. The volume of Earth is about 1.09*10^12 cubic kilometers. The number of Earths that can fit inside Jupiter can be found by dividing Jupiter's volume by Earth's volume. Find this quotient and

*asked on May 19, 2016* -
## math

Lisa and Katie are playing a card game, and a total of 900 points has been scored. Lisa scored 150 more points than Katie. If you let l= the number of points that Lisa scored, and k= the number of points that Katie scored, then the problem can be

*asked on May 18, 2016* -
## History

1. What paints did the Mughals use to create their paintings? What pigments were used to create these paints? 2. How expensive were these pigments? I haven't been able to find much information regarding the paints or pigments used online, but I would be

*asked on May 18, 2016* -
## word problem math

Keith has p pennies, n nickels, and d dimes in his pocket. The total number of coins is 9. The expression 0.01p+0.05n+0.10d0.01p+0.05n+0.10d represents the value of the coins, which is equal to $0.53. He has two fewer nickels than dimes. How many pennies

*asked on May 18, 2016* -
## math

The area of a triangle varies jointly with the height of the triangle and the length of its base. The area of one triangle is 200 square centimeters when its height is 25 centimeters and its base length is 16 centimeters. What is the area of a triangle

*asked on May 17, 2016* -
## math

The volume of a pyramid varies jointly with the base area of the pyramid and its height. The volume of one pyramid is 24 cubic inches when its base area is 24 square inches and its height is 3 inches. What is the volume of a pyramid with a base area of 15

*asked on May 17, 2016* -
## math

Video Villa rents classic video games for $2.50 for 5 days. New games rent for $3.50 for 5 days. If Rob rents c classic games and n new games, what is his cost per day, in dollars, for renting the games for 5 days? Select one: a. 0.50c+0.70n b. 0.50c+0.75n

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

Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely proportional to the area A of each scarf. If the area of each scarf is 3 square feet, then she can make 15 scarves. If the

*asked on May 12, 2016* -
## math

Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely proportional to the area A of each scarf. If the area of each scarf is 3 square feet, then she can make 15 scarves. If the

*asked on May 12, 2016* -
## Calculus

The base of an isosceles triangle is 8 feet long. If the altitude is 6 feet long and is increasing 3 inches per minute, are what rate are the base angles changing?

*asked on May 11, 2016* -
## math

The clock face in a famous clock tower has a radius of about 5 meters. What is the area of the clock face to the nearest square meter? Use 3.14 as an approximation for pi.

*asked on May 11, 2016* -
## math

Which statement concerning the equation x^2+2=x is true? Its discriminant is 0 , so it has no solution. Its discriminant is 0 , so it has one real solution. Its discriminant is -7, so it has two complex solutions. Its discriminant is -7, so its solutions

*asked on May 9, 2016* -
## math

A flying disc has a radius of 6 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi. A) 113 square inches B)452 square inches C)38 square inches D) 28 square inches

*asked on May 9, 2016* -
## Calculus

A conical cistern is 10 ft. across the top and 12 ft. deep. If water is poured into the cistern at the rate of 1 cubic foot per second, how fast is the surface rising when the water is 8 ft. deep?

*asked on May 2, 2016* -
## Trigonometry

At a point on the ground 125 ft from the base of a tower, the angle of elevation to the top of the tower has a degree measure of 38 degrees. How high is the tower

*asked on April 24, 2016* -
## Chemistry

For the reaction H2(g) + I2(g) ⇀↽ 2 HI(g) at 425◦C, calculate [HI], given [H2] = [I2] = 0.000617 mol/L and K = 54.3.

*asked on April 23, 2016* -
## math

Anthony has 7 bills. All the bills are tens or twenties. The bills Anthony has total $100 in value. How many of each hill does Anthony have? Pretty sure the solving method is solving systems of equations but you have to isolate the variables and stuff..

*asked on April 19, 2016* -
## math

Which statements are true for irrational numbers written in decimal form? A. Irrational numbers are nonterminating. B. Irrational numbers are repeating. C. Irrational numbers are nonrepeating. D. Irrational numbers are terminating.

*asked on April 19, 2016* -
## adding integers

A stock lost 7 1/8 points on Monday and then another 1 7/8 points on Tuesday. On Wednesday, it gained 13 points. What was the net gain or loss of the stock for these three days? A) a loss of 22 points B) a gain of 4 points C) a gain of 18 1/4 points D) a

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

Consider the following acid/base reaction CO3^2− + 2H^+ → H2O + CO2 that produces CO2 gas. 6 L of CO2 is collected at STP. What is the molarity of the HCl solution used in the reaction if 81 mL of HCl was needed?

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

You have a vinegar solution you believe to be 0.53 M. You are going to titrate 20.72 mL of it with a NaOH solution that you know to be 0.974 M. At what volume of added NaOH solution would you expect to see an end point?

*asked on April 13, 2016* -
## Factor out the Greatest Common Factor (GCF)

Factor out the Greatest Common Factor (GCF): 45d^3-18d^2

*asked on April 11, 2016* -
## Algebra 2

Carla’s kitchen floor is in the shape of a perfect square. Her copycat brother, Carl, wants to re-model his kitchen so that it will have the same surface area as his sister, but his kitchen will be rectangular. The length of his floor is half the length

*asked on March 15, 2016* -
## Math

A flying disc has a radius of 7 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi.

*asked on February 18, 2016* -
## Math

Which is the best approximation of the volume of a cylinder with a radius of 10 mm, and a height of 5 mm? Use 3.14 for pi.

*asked on February 2, 2016* -
## math

A square is folded vertically twice and the resulting perimeter is 20 cm.What is the peremeter of the square?

*asked on January 26, 2016* -
## Chemistry Chemical Reactions pls help <3

2AgNO3 + CaCl2 ---> Ca(NO3)2 + 2AgCl all of the substances involved in this reaction are soluble in water except AgCl which forms a solid at the bottom of the flask . Suppose we mix together a solution containing 12.6 g of AgNO3 and one containing 8.4 g of

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

Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their shadows. Dixon's shadow is 18 feet long and Ariadne's shadow is 15 feet long. If Dixon is 6 feet tall, how tall is Ariadne?

*asked on January 4, 2016* -
## Math

What is the smallest of 3 consecutive positive integers if the product of the smallest and largest is 21 more than 9 times the middle number? x(x+2)=21+9(x+1) I'm not sure if this is a good equation to solve it..?

*asked on January 3, 2016* -
## Math

write the first 10 multiples of 3

*asked on December 3, 2015* -
## math

There are some caps in a box. 1/6 of them are red, 1/3 of them are blue and 3/7 of the remainder are green. If there are 27 green caps, how many caps are there altogether? How should I solve this?

*asked on December 3, 2015* -
## Social Studies

compare and contrast the experience of the creeks and cherokees in Georgia following the war of 1812 { could you please help me with this)

*asked on December 2, 2015* -
## Intro to Chemistry

Does the Periodic table have any kind of pattern for brittleness? If so, what is it? For example, the elements on the left are more brittle, while the ones on the right are less brittle.

*asked on November 18, 2015* -
## Math

There are 18 silver cars, 13 red cars, and 11 brown cars in a parking lot. What fraction of the cars in the parking lot are not silver?

*asked on November 16, 2015* -
## Pre-Calculus

Big Bob is trying to shape up for the summer. He begins on the first day of his exercise program with 3 sit ups. Each day he will do 4 more sit ups than the day before. On what day will Big Bob do 115 sit ups?

*asked on November 16, 2015* -
## word problem math

Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their shadows. Dixon's shadow is 18 feet long and Ariadne's shadow is 15 feet long. If Dixon is 6 feet tall, how tall is Ariadne?

*asked on November 16, 2015* -
## Math

In science class, Savannah measures the temperature of a liquid to be 50^@ Celsius. Her teacher wants her to convert the temperature to degrees Fahrenheit. What is the temperature of Savannah's liquid to the nearest degree Fahrenheit?

*asked on November 16, 2015* -
## math

Why do you have to use estimation to find the number of triangles you need for the string? {could you please me I don't understand

*asked on November 14, 2015* -
## Precalculus

Show the first three terms of each related sequence or series and solve each problem. 1) Jerry hopes to buy a camera which costs $680. He plans to save $5 more each month than in the month before, beginning with $5 this month. In how many months will he

*asked on November 13, 2015* -
## Math

Which of the following problems would NOT have a solution? Five pizzas are shared equally among four people, and you want to know how much each person gets. Ten pizzas are shared equally among five people, and you want to know how much each person gets.

*asked on November 10, 2015* -
## Math

Which number is not equal to one of the following expressions? 2,500 x 10 250,000 -: 100 2,500 -: 10

*asked on November 10, 2015* -
## math

declan works 37 hours a weeks and earns 26 dollars an hour declan earns how much in a week

*asked on November 10, 2015* -
## Math

Dawn raises money for her school in a jog-a-thon. She will get three dollars for every lap she completes. If it takes 4 laps to jog 1 mile, and Dawn jogs a total of 12 miles, how much money will Dawn raise for her school?

*asked on November 6, 2015* -
## Math

On an average day, 38 customers buy a bag of grapes at Jerry's Market. There are an average of 47 grapes in each bag. Round to the nearest ten and then multiply to estimate the number of grapes Jerry's customers buy every day.

*asked on November 6, 2015* -
## Math

On an average day, 34 customers buy a bag of grapes at Jerry's Market. There are an average of 47 grapes in each bag. Round to the nearest ten and then multiply to estimate the number of grapes Jerry's customers buy every day.

*asked on November 6, 2015* -
## Math

simplify each expression. Your answer should still be in exponential form and only have positive exponents. x^-b

*asked on October 29, 2015* -
## Math

two boats leave the same port at the same time. one travels at a speed of 29 mph in the direction N 50 degrees E and the other travels at a speed of 35 mph in the direction S 70 degrees E. how far apart are the two boats after an hour.

*asked on October 28, 2015* -
## 11th grade math

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b

*asked on October 28, 2015* -
## 11th grade math

y^a/y^b

*asked on October 28, 2015* -
## math

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b

*asked on October 28, 2015*