Tuesday

October 25, 2016
**Math, Calc**

Use implicit differentiation to find an equation of the tangent line to the curve at the given point x^2+2xy+4y^2=12. Point (2,1). (Eclipse)

*Wednesday, September 7, 2016 by Dani*

**MATH help asap**

connections academy 8th grade Lesson 9: Integers and Algebra help please anyone!

*Wednesday, September 7, 2016 by Proxy*

**Math (urgent)**

the equation x^2+y^=25 describes a circle with center at the origin and radius 5. The line y=x-1 passes through the circle. Using the substitution method, find the points at which the circle and line intersect. a) (4,3) and (-4,-3) b) (3,4) and (-3,-4) c) (4,-3) and (-3,4) d) ...

*Wednesday, September 7, 2016 by Max*

**Math**

A car leaves town traveling at 35 MPH. A 2nd Car leaves Town 2 hours later traveling in the same direction. In how many hours will the 2nd car be passing the first.

*Wednesday, September 7, 2016 by Jacob*

**Math science humanity kiswahili English art pshe **

Kylie cit an Apple into 12 equal parts . if she aye 1/4 of the apple, how many parts would remain

*Wednesday, September 7, 2016 by Juanita*

**Math**

A cookie recipe called for a half cup of chocolate chips per 3 dozen cookies. How many cups of chocolate chips should be used for 10 dozen cookies?

*Wednesday, September 7, 2016 by Carolina*

**Math**

A car leaves town traveling 35 MPH. Two hours later a 2nd car leaves, in the same direction traveling 55 MPH.In how many hours will the 2nd car be passing the first?

*Wednesday, September 7, 2016 by Jacob*

**Math**

the tortoise can run with a speed of 0.1m/s and the hare can run with a speed of 2m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his shell,0.2m. How much time did ...

*Wednesday, September 7, 2016 by Anonymous *

**math**

Rihanna planned a rectangular courtyard for a park and made a scale drawing using inches as the unit of measurement. She originally planned for the length of the actual courtyard to be 54 feet, but she decided to change it to 72 feet. If the length of the courtyard is 18 ...

*Wednesday, September 7, 2016 by Brianna*

**math**

a number is divided into two parts such that one part is 10 more than the other. if the two parts are in the ratio 5:3,find the number and the two parts?

*Wednesday, September 7, 2016 by swathi*

**math**

multiplying my number by 5 and adding 8 to it gives the same answer as subtracting my number from 20?

*Wednesday, September 7, 2016 by swathi*

**math**

Five-twelfths of my salary was spend on food, then I gave 3/7 of the remainder to my sister and had 856 pesos left. How much did I spend for food?

*Wednesday, September 7, 2016 by Shaun*

**math**

where do you put parenthese to make this number sentence true 3x8/4+2=12

*Wednesday, September 7, 2016 by john*

**Math**

How do you solve for the variable in this equation? -1 = 6 (2x -7) +22

*Wednesday, September 7, 2016 by Carissa*

**Math**

In a summer camp there are enough food pervission to feed 40 pupils for 6 days.If 50 pupils come to the camp for how many days will food last?

*Wednesday, September 7, 2016 by Kenya*

**Math**

The mean of 4 numbers is 15.Three of them are 7,10,14.Find the fourth number

*Wednesday, September 7, 2016 by Hannah *

**math**

Show that the equation z(z¯) + (a¯)z + a(z¯) + b = 0 with (a as element of complex number) and (b as element of real number) represents a circle in C. please help me, hints will work also as i don't know how to start this question :)

*Wednesday, September 7, 2016 by lim*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**ma**

In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many students passed in all ...

*Wednesday, September 7, 2016 by Anonymous*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**math**

divide 95m long string such that twice of 1st part, 4 times of 2nd part and 5 times of 3rd part are equals

*Wednesday, September 7, 2016 by Ghulam*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*Wednesday, September 7, 2016 by Anonymous*

**Math**

A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...

*Wednesday, September 7, 2016 by Amartya*

**Math**

An airline believes that the probability of a passenger being a no-show on a morning flight is 12%. If the airline overbooks a 300 seat morning flight by selling 350 tickets how many empty seats should the airline expect to have on the flight

*Wednesday, September 7, 2016 by Nancy *

**Math**

How many one fourth cup serving of raisins are in three eighths cup of raisins?

*Wednesday, September 7, 2016 by Harmoni*

**math**

Ness won $2400000 in a state lottery. After paying 39% of her winnings to taxes, she invested some of the money into an account earning 4.8% interest and the rest into an account earning 3.9% interest. If the total interest earned was $65655, how much did she invest into each ...

*Wednesday, September 7, 2016 by will*

**Math College 115**

a cat is born (age 0) weighing 3.8 ounces and at 2 years of age the cat weighs 40.8 ounces. Write answerin slope-intercept form, w=b+ma, in temrs of weight,w, and age,a.

*Tuesday, September 6, 2016 by Nina*

**math**

Write the following number in standard form: 400,000,000+30,000,000,+1,000,000+200,000+5,000+600+1

*Tuesday, September 6, 2016 by Shawn*

**math**

How do you write 400,000,000+30,000,000+1,000,000+200,000+5,000+600+1 in standard form

*Tuesday, September 6, 2016 by Shawn*

**Math**

Look at problem 4. Suppose Leila moves her books onto a bookshelf with 6 shelves. She puts an equal number of books on each shelf. Describe what the array for this problem looks like and write a multiplication sentence.

*Tuesday, September 6, 2016 by Anonymous*

**Math**

Which is the correct ascending order of 1/3, 0.3,25%,2/5

*Tuesday, September 6, 2016 by Anonymous*

**Math**

simplify 10×10^4+2.8×10^6

*Tuesday, September 6, 2016 by Brian*

**Math**

I need help with examples for power of a quotient property and property of a negative exponent

*Tuesday, September 6, 2016 by Dianelly*

**math**

you are able to wrap a band tightly around a large sphere. The band would have a circumference about 40000 km. You insert into the band another strip 2m long so that the band will no longer fit tightly around the sphere. This new band would have a radius a little smaller than ...

*Tuesday, September 6, 2016 by anonymous*

**math**

A 5cm piece of wire is cut into two parts such that a square formed by bending on part will have four times the area of a square formed by bending the other part, what is the length of the longer part.

*Tuesday, September 6, 2016 by anonymous*

**Math**

How do you divide 54 by 6.75

*Tuesday, September 6, 2016 by Patrick*

**Math**

Eva wants to make two pieces of pottery.She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece.She has three bags of clay that weigh 4/5 pound each.How many bags of clay will Eva need to make both pieces of pottery?How many pounds of clay will she...

*Tuesday, September 6, 2016 by Patrick*

**Math**

What is 7/8 into 11/16?

*Tuesday, September 6, 2016 by Jade *

**MAth**

"Six more than x is nine" written as... 6 = x + 9 6 + 9 = x 6 + x = 9 ***?? 6 + 9 + x = 0 Thank you!

*Tuesday, September 6, 2016 by Answer ASAP*

**Math Please Help Me**

An art teacher has 1 1/2 pounds of red clay and 3/4 pound of yellow clay. The teacher mixes the red clay and yellow clay together. Each student in the class needs 1/8 pound of the clay mixture to finish the assigned art project for the class. How many students can enough clay ...

*Tuesday, September 6, 2016 by Patrick*

**Math**

Is there a causal relationship between the time of sunrise and the daily high temperature? Casual Relationship: if change in one quantity causes change in a second quantity, then the quantities have a causal relationship.

*Tuesday, September 6, 2016 by Anonymous *

**Quick math help**

Is x^2=4 and x+2=4 equivalent equations?

*Tuesday, September 6, 2016 by Anonymous*

**math**

Alice separates 23 stickers into 4 equal pounds how many tickets does she have left over please help me

*Tuesday, September 6, 2016 by mass*

**Math Help**

I am having a lot of difficulty please help. Eva wants to make two pieces of pottery. She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece. She has three bags of clay that weigh 4/5 pound each. How many bags of clay will Eva need to make both ...

*Tuesday, September 6, 2016 by Patrick*

**math**

a granola bar weighs 30g. 100 granola bars are in a shipping carton. how many kilograms do a dozen shipping cartons weigh?

*Tuesday, September 6, 2016 by Anonymous*

**Math**

I am also having trouble figuring out the below: Eva wants to make two pieces of pottery. She needs 3/5 pound of clay one piece and 7/10 pound of clay for the other piece. She has three bags of clay that weigh 4/5 pound each. How many bags of clay will Eva need to make both ...

*Tuesday, September 6, 2016 by Patrick*

**Math**

I am very confused on how to even begin figuring out the below problems: 1. Naomi has earned $54.00 mowing lawns the past two days. She worked 2 1/2 hours yesterday and 4 1/4 hours today. If Naomi is paid the same amount for every hour she works, how much does she earn per ...

*Tuesday, September 6, 2016 by Patrick*

**Math**

The temperature at noon is 75F degrees. The temperature drops 3 degrees every half hour. What is the temperature at 4.p.m? I honestly don't know what to do all I know is that I have these numbers, 75,3,4

*Tuesday, September 6, 2016 by Giovanni*

**Math**

-12 in the form of a/b where a and b are integers

*Tuesday, September 6, 2016 by Jennifer*

**Math**

CLIMATOLOGIST Each year a tree is alive,it adds a layer of growth,called a tree ring,between its core and its bark. A climatologist measures the width of tree rings of a particular tree for different years: YEAR: 1900:1910:1920:1930:1940 Width of ring:14/25:29/50:53/100:13/20:...

*Tuesday, September 6, 2016 by Emily*

**math**

gasoline and water are immiscible. Regular-grade gasoline has a lower density than water. A 100mL graduated cylinder with an inside diameter of 3.2 cm contains 34 g of gasoline and 34 g of water. What is the combined height of the two liquid layers in the cylinder? The volume ...

*Tuesday, September 6, 2016 by Anonymous*

**Math**

The recycling Club collected newspapers to recycle. The number of pounds of newspapers they collected rounded to the nearest tenth, is 195.3 pounds. What are the three possible numbers that could be the actual number of pounds of newspapers they collected?

*Tuesday, September 6, 2016 by Tonya*

**Math**

A cashier has a total of 33 bills consisting of ones, fives and twenties. The number of twenties is 14 less than the number of ones. The total value of money is $164. How many of each denomination of bill are there?

*Tuesday, September 6, 2016 by Jack*

**Math**

Ben has 3 times as many guppies as goldfish. If he has a total of 20 fish,how many guppies does he have

*Tuesday, September 6, 2016 by Jan*

**Math **

The height of a Norway Spruce is 10 feet. 2 1/2 feet per year, how long will it take the tree to reach the height of 25 ft? Write an equation that could be used to find how long it will take for the tree to reach a height of 25 ft.

*Tuesday, September 6, 2016 by Amy*

**Math**

Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the y-axis. Find the equation of the locus of P PA2 = (x-x1)^2 + (y-y1)^2 +??? = (x-2)^2 + (y-3)^2 +??? I tried solving it using the distance formula but I'm still confused because...

*Tuesday, September 6, 2016 by Nye*

**Math**

Let A(2,3) be a fixed point. A point P moves such that PA is equal to the distance of P from the y-axis. Find the equation of the locus of P PA2 = (x-x1)2 + (y-y1)2 +??? = (x-2)2 + (y-3)2 +??? I tried solving it using the distance formula but I'm still confused because I ...

*Tuesday, September 6, 2016 by Nye*

**Math**

1/3 foot on each side, closet is 3 1/3 feet wide and 6 feet deep?. How many tiles will I need

*Tuesday, September 6, 2016 by Jasmine*

**Math**

You begin a hike in death valley, California,at -86 meters.You hike to a point of elevation at 45 meters. What is your change in elevation

*Tuesday, September 6, 2016 by Anonymous*

**Math**

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, in which E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed.What is the equation for E?

*Tuesday, September 6, 2016 by Chrizl*

**Math Precal **

An airplane has an airspeed of 650 km/h bearing 15 degrees north of west. The wind velocity of is 19 km/h in the direction of 30 degrees east of south. Find the resultant vector representing the path of the plane relative to the ground. What is the ground speed of the plane? ...

*Tuesday, September 6, 2016 by chris*

**Math**

A 5cm piece of wire is cut into two parts such that a square formed by bending on part will have four times the area of a square formed by bending the other part, what is the length of the longer part. I just don't know what the equation would look like.

*Tuesday, September 6, 2016 by Crissy*

**Math*Coordinate Geometry ~the Challenge Test Your Skill People.**

A quadratic curve cuts the x-axis at 3 and -4.It cuts the y-axis at Z. The equation of the graph is y=ax^2+bx+c. Find ALL the posible values of a,b and c and the coordinates of Point Z.

*Tuesday, September 6, 2016 by Ackron.Z *

**Math**

c^9*d^-7/c^14*d^-10

*Tuesday, September 6, 2016 by Max*

**math**

Four friends shared a candy bar. The first friend ate 1/4 of the candy bar, the second friend ate 1/3 of the candy bar, and the third friend ate 1/6 of the candy bar. How much of the candy bar did the fourth friend eat? (Leave your answer as a fraction in lowest terms.)

*Tuesday, September 6, 2016 by tyler*

**math**

A boy spends 32% of his money and has 34 naira left . calculate how much he had at first

*Tuesday, September 6, 2016 by Annie Finn*

**Math**

3(3+r)=2r+4

*Tuesday, September 6, 2016 by Jasmin*

**bridge **

Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to score an 80% for all the ...

*Tuesday, September 6, 2016 by Summer*

**math please help asap**

a photo is 4 inches wide it is placed inside a frame with a border that is x inches wide the total width of the photo and the frame is 7 inches write an equation to model the situation then solve the equation to find the width of the border.

*Tuesday, September 6, 2016 by lilly *

**algebra 1**

Use mental math to determine the solution x/3=24. a. x=6 b. x=8 c. x=27 d. x=72 b is it?

*Tuesday, September 6, 2016 by oto*

**Pure Math Coordinate Geometry**

The Point O Is(0,0) and Point B is(6,9).Point A lies on the line OB.The ratio of OA:AB=2:1.Find the coordinates of Point A. (Method Needed Mostly)thanks....

*Tuesday, September 6, 2016 by Ackron.Z *

**Math**

5m^4/3(m^1/3*2n^1/8)

*Tuesday, September 6, 2016 by Sam*

**Math**

A cashier has a total of 37 bills consisting of ones, fives and twenties. The number of twenties is 15 less than the number of ones. The total value of money is $191. How many of each denomination of bill are there? There are ___ ones, ___fives, ____twenties.

*Tuesday, September 6, 2016 by Dustin*

**MATH**

I am new to this site. I am not sure if my last post went thru, with my calculations for review, so I will copy and paste my entire query. Thanks for your assistance. === Additional questions: this is for a form I need to fill out regarding my medications. Help please and ...

*Tuesday, September 6, 2016 by E*

**math**

The diameters of two circles are 4cm and 6 cm respectively Find the ratio of their areas?

*Tuesday, September 6, 2016 by ainy*

**Math**

A tank and a pail contained a total of 8346 ml of water.When 314 ml of water was poured from the pail into the tank,the amount of water in the tank was 12 times than in the pail.How much water was in the pail at first?

*Tuesday, September 6, 2016 by Lol pups*

**math**

a shopkeeper bought some eggs at rupees 3 each.20 of them were broken while the rest were sold at 4 rupees each.if he made a profit of 20%,find how many eggs he bought

*Tuesday, September 6, 2016 by madina*

**math**

The volume of rectangular solid is x^3 +3x^2+2x-5) cubic cm and its height (x+1 )cm.what is the area of its base

*Tuesday, September 6, 2016 by yram*

**math**

the sum of two numbers is 80.if the larger number exceeds four times the smaller one by 5.the number is work x+y=80, 4x-y=5

*Tuesday, September 6, 2016 by tsa*

**Math **

Write three equivalent ratios for 15/9

*Monday, September 5, 2016 by Sabrina*

**math**

a proton in a magnetic field follows a path on a coordinate grid modeled by the function f(x) = x^4-2x^2-15. what are the x-coordnates of the points on the grid where the proton crosses the x-axis?

*Monday, September 5, 2016 by Jourrapide*

**math**

Vista county is setting aside a large parcel of land to preserve it as open space. the county has hired Meghan's surveying firm to survey the parcel which is in the shape of a right triangle. the longer leg of the triangle measures 5 miles less than the square of the ...

*Monday, September 5, 2016 by Jourrapide*

**Math urgent **

X,Y and Z can do a piece of work in 15 days. If X takes twice as much as Y and Z together and Y takes thrice as much as X and Z together, how long days will each take to finish a work.

*Monday, September 5, 2016 by Rabin*

**math 1050 **

how do I find the answer to if the point (5,-3) is a point on the graph of f then f(?)=(?)

*Monday, September 5, 2016 by sherie*

**math**

A ridge beam rises 18 in. over a horizontal run of 72 in. Calculate the pitch of the roof and express it as a fraction with a denominator of 12.

*Monday, September 5, 2016 by Jacquelyn*

**Math **

The circumference of earth is about 40,030.02km. The formula for circumference is c=2(3.14)r.jennifer determines the radius of earth is about 12,700km.use estimation to determine if Jennifer measurement is reasonable.

*Monday, September 5, 2016 by Kari*

**math**

give me an answer . Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon

*Monday, September 5, 2016 by Anonymous*

**math**

Before it can be used, a 12-ounce container of liquid fertilizer must be mixed with 48 ounces of water. What fraction of fertilizer is in the final mixture?

*Monday, September 5, 2016 by Jacquelyn*

**math**

A printer has 15 rolls of newsprint in the warehouse. What fraction of this total will remain if 6 rolls are used?

*Monday, September 5, 2016 by Jacquelyn*

**math age problem **

I am 10 less than four times my age six years ago how old am I now

*Monday, September 5, 2016 by ed*

**Math**

Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. A] draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon. B] write a ratio to describe the relationship of the length of the red ribbon to ...

*Monday, September 5, 2016 by Samantha*

**MATH HELP**

Two sides of a triangle have lengths of 8 inches and 12 inches. What could be the length of the third side? A) 2 in B) 4 in C) 16 in**** D) 20 in

*Monday, September 5, 2016 by CheesePizzaLover373736527*

**MATH HELP CHECK ANSWER**

Dino used three pieces of string to make a model of a triangle in art class. the lengths of two of the pieces of string were 3 inches and 7 inches. which could be the length in inches of the third piece of string dino used? A) 2 B) 8 C) 5**** D) 3

*Monday, September 5, 2016 by Phobiah*

**Math**

Factoring using the GCF x^3y^4 + x^2y^2=

*Monday, September 5, 2016 by Meg*

**math**

Home Center sells rectangular picture frames. The ratio of the length to the height in centimeters is 7:5. What would be the length of a frame that is 15 centimeters high?

*Monday, September 5, 2016 by sarah*

**Math Please Help**

5. Shara's new lawn sprinkler watered a circular area with three times the radius of the old sprinkler. How many times greater was the area watered by the new sprinkler than the area watered by the old sprinkler? a)3 b)6 c)9 d)36 6.How many x-intercepts does the graph of ...

*Monday, September 5, 2016 by MrHardPistachioToCrack*

**MATH HELP PLEASE ASAP**

A line segment has end points of (4, -4) and (0, 5). What are the coordinates of the midpoint of this line segment? A) (2, 1/2) B) (-2, -9/2) C) (4, 1/2) D) (8, -13)

*Monday, September 5, 2016 by I'madumbidiot*