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April 24, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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math
Write an equation of a line perpendicular to line AB below in slope-intercept form that passes through the point (7, 6). A (0,1) B (-2,5)
Wednesday, March 26, 2014 at 10:05pm

math
what is -8 squared +(17 - 9)x 4 + 7
Wednesday, March 26, 2014 at 9:36pm

Math
Write an equation of a line perpendicular to y=1/2x-5 in slope-intercept form that passes through the point (2, -7).
Wednesday, March 26, 2014 at 8:46pm

7th grade math
Tower A is about 1450 feet tall. Tower B is about 4/5 as tall. How tall is the B tower?
Wednesday, March 26, 2014 at 8:00pm

6th Grade Math
A drawer contains 3 blue ribbons, 4 red ribbons, and 3 green ribbons. A ribbon is randomly chosen from the drawer, replaced, and another ribbon is chosen. Find each probability"
Wednesday, March 26, 2014 at 7:58pm

math
Tessa feeds her dog 3 3/4 cups of dog food per day. If she buys a bag of food that has 165 cups how many days will the bag of dog food last?
Wednesday, March 26, 2014 at 7:58pm

math
solve for A B=3/8(A-10)
Wednesday, March 26, 2014 at 7:46pm

Math
solve for y 2y = 18x y - 6 = 2x trying to help with homework and at a loss here.
Wednesday, March 26, 2014 at 7:45pm

math
Solve for v: C=6u2v
Wednesday, March 26, 2014 at 7:43pm

Math
If Mike has 8 dimes and 6 pennies in his pocket. If he randomly selected one coin and then a second coin without replacing the first, what is the probability that both coins were dimes?
Wednesday, March 26, 2014 at 7:41pm

Math. Help
Anna's dad is replacing a table in their house. The table is currently 3 feet wide by 4 feet tall. Her dad wants to add 9 inches to the legs of the table. What is the new perimeter of the table in feet?
Wednesday, March 26, 2014 at 7:39pm

Math
Use the following four coordinates to determine which one has a distance of 10 units from point C (1, 2). (3, 4) (7, 1O) (6, 7) (8, 9)
Wednesday, March 26, 2014 at 7:37pm

Math
Order from greastest to least -1 13/14 , -1.9 , -1 9/11, -1.95 show work
Wednesday, March 26, 2014 at 7:35pm

Math
The length of a table is 3 1/3 inches. The width is 1/5 of length. Find the width and perimeter of table
Wednesday, March 26, 2014 at 7:34pm

Math
-2 1/5 divided by -3 2/3. Show work also thanks (:
Wednesday, March 26, 2014 at 7:33pm

math
36/1.5 = ? how to divide this
Wednesday, March 26, 2014 at 6:56pm

Math
What is the pattern for 2,6,4,12,10,30,28
Wednesday, March 26, 2014 at 6:33pm

Math
A store has found that 60% of their customers spend more than $75 each visit. What is the probability that the next two customers will spend more than $75.
Wednesday, March 26, 2014 at 6:15pm

math
There are 50 big cats in the zoo.  2/5 of them are tigers.   1/5 of them are leopards. The rest are lions. How many lions are there in the zoo?
Wednesday, March 26, 2014 at 6:06pm

Math
solve for y 3x + y = 2 Trying to help out my daughter, if you could show me steps that would be wonderful. Thank You
Wednesday, March 26, 2014 at 5:57pm

Math
Umm, guys, hi. Lauren says that -3.36 (36 is repeating) is greater than -3 1/3. Do you agree? Explain
Wednesday, March 26, 2014 at 5:48pm

Math
What is the product of the solutions to the equation: x2+4x=-4 a. 80 b. -80 c. -20 d. 4 (I NEED TO KNOW WHO TO GET THE ANSWER PLEASE)
Wednesday, March 26, 2014 at 5:46pm

math
one container has 38 gal in it, it fills at 5 gph . the other container has 30 gal in it, it is filling at 7 gph. when will they have the same amount of water in each?
Wednesday, March 26, 2014 at 5:41pm

Math
Jayce wants to paint her room Duke Blue.Her room is 12 ft long ,12 ft 10inches wide, and 10ft high.If Dylan insists she paint her ceiling white, about how many cans of blue paint will she need to buy to paint the walls.One can covers 120 square feet. Ignore the windows and ...
Wednesday, March 26, 2014 at 5:34pm

3rd grade math
Brandon bought one more pair of sweatbands than luis. Each pair of sweatbands cost $3.88. He also bought one more bottle of sports drink than luis, each costing $1.75, and a granola bar, costing $0.98. What was the total cost brandon's purchase?
Wednesday, March 26, 2014 at 5:07pm

math
tim has a det of $872.23. If he pays 40 percent of the debt this month and 50 percent of the remainder next month, how much does tim still owe?
Wednesday, March 26, 2014 at 5:04pm

Math please ASAP
Line AB contains points A (-1, 3) and B (5, 3). Line AB has a slope that is
Wednesday, March 26, 2014 at 3:25pm

integer Math
Estimate the value of integer 52 to the nearest whole number
Wednesday, March 26, 2014 at 3:20pm

math
A stock that sold for $240 per share before a week began had the following gains and losses in share price over the course of that week. Monday ( - 2 3/4 ), Tuesday ( - 3 1/8 ), Wednesday ( + 1 1/8 ), Thursday ( + 5 ), Friday ( - 2 1/4 ). Suppose an investor bought 100 shares ...
Wednesday, March 26, 2014 at 3:12pm

Math
Solve the problem. Round to the nearest cent. Joan wants to have $250,000 when she retires in 27 years. How much should she invest annually in her annuity to do this if the interest is 7% compounded annually? A) $1861.10 B) $3356.43 C) $2672.15 D) $937.86
Wednesday, March 26, 2014 at 3:11pm

math
Suppose a movie theater sold 200 adult and student tickets for a showing with the revenue of $980. If the adult tickets are $5.50 and the students tickets are $4, how many of each type of ticket were sold?
Wednesday, March 26, 2014 at 2:58pm

Math
Could somebody please help me with a few Math questions? 1. Provide an appropriate response. True or False? 100.567 is between 10 and 100. 2. Use an annual percentage rate table to solve the problem. A family purchased a new ski boat for $20,000. The loan agency required a ...
Wednesday, March 26, 2014 at 2:14pm

math
find the next term in the sequence 6,11,21,36,56,81
Wednesday, March 26, 2014 at 1:14pm

math
period of x(t)=10 sin(12 pi t)+4 cos(18 pi t)
Wednesday, March 26, 2014 at 1:05pm

math
a painter is painting the ceiling of a square room. The walls are all 15 ft long. If a gallon of paint covers 45 square feet, how many gallons of paint will be needed to cover the entire ceiling? A. 4 Gallons B. 5 Gallons C. 6 Gallons D. 3 Gallons
Wednesday, March 26, 2014 at 12:17pm

math
John is looking at a map and it says that 1 inch = 50 miles. John wants to travel to a town that is 7.5 inches away on the map. How many miles must he travel to get there?
Wednesday, March 26, 2014 at 11:04am

Math
Use a translation rule to describe the translation of triangle ABC that is 8 units to the right and 2 units down.
Wednesday, March 26, 2014 at 8:53am

Math
Historically, an acre was the amount of land that an ox could plow in one day, which was deemed to be 4,840 square yards. Supposing that an ox could plow 4,840 square yards in a day, how manyyears would it take an ox to plow a square mile?
Wednesday, March 26, 2014 at 7:09am

Math
The Brock family uses a 12-cup coffee maker, which leaks. For every 6 cup of coffee brewed, 1/12 cup leaks out. Mrs. Brock makes a full pot. If 4 coffee drinkers receive the same amount, how many cups (use a mixed number) will each individual receive?
Wednesday, March 26, 2014 at 7:07am

Math
Jan is making a 3-tier wedding cake for 300 guests. She will make the cake for $3 per serving with the following specifications: -Each serving is 4 inch.3 -Each tier must be smaller than the tier below it. -Each square tier is 4 in. tall with a side length of 16 in., 14 in., ...
Wednesday, March 26, 2014 at 7:06am

Quick Math Question
I was working out a problem and reached an answer of 3ln |x|+ (1/x)+ ln |x+1| The final given answer is (1/x) + ln |x^4 +x^3| I see that the (1/x) carried over and I know how the x^3 got there, but I'm confused as to the x^4. Can someone kindly explain this to me?
Wednesday, March 26, 2014 at 6:23am

Math
At some point in the season, the Unicorns had won 60% of their baseball games. After that point, they won 8 more games and lost 2, to finish the season having won 65% of their games. How many games did the Unicorns play during the season?
Wednesday, March 26, 2014 at 3:11am

math
63.49 divided by 7
Wednesday, March 26, 2014 at 1:45am

math
Find the monthly house payments necessary to amorti ze each loan. Then calculate the total payments and the total amount of interest paid : $199,000 at 7.01% for 25 years
Wednesday, March 26, 2014 at 1:29am

Math
Homing pigeons avoid flying over large bodies of water, preferring to fly around them instead. Assume that a pigeon released from a boat 1 mile from the shore of a lake flies first to point P on the shore and then along the straight edge of the lake to reach its home at L. If ...
Wednesday, March 26, 2014 at 12:07am

Math
Coach kent brings 3 quarts of sport drink to soccer practice. He gives the same amount of the drink to each of his 16 players. How many ounces of the drink does each player get?
Tuesday, March 25, 2014 at 10:52pm

Math
Admission to a museum cost $12 for adults and $7 for children. A group of 35 people attending the museum paid a total of $315 in admission fee. Write a system of equations to represent the situation. Let A represent the number of adults admissions and C represent the number of...
Tuesday, March 25, 2014 at 10:48pm

math
Sally made an initial deposit into an account bearing an interest rate of 7% compounded continuously. How long will it take for Sally's initial deposit to double in value?
Tuesday, March 25, 2014 at 10:25pm

math
P=347e^.023t, where t is the number of years after 1990. According to the model, in what year will the population reach 1000?
Tuesday, March 25, 2014 at 10:23pm

math
P=347e^.023t, where t is the number of years after 1990. Use the model to estimate the population in the year 2012.
Tuesday, March 25, 2014 at 10:21pm

math
Suppose 48,000 is invested at an interest rate of 4.2%, compounded quarterly. What will the account be in 10 years?
Tuesday, March 25, 2014 at 10:20pm

math
if 10 of the 50 pieces if candy are green, then what percent of the pieces of candy are green?
Tuesday, March 25, 2014 at 10:11pm

math
Sandra makes a pizza she puts mushrooms on 2/8 of the pizza she adds green peppers to 5/8 of the pizza which topping covers more of the pizza
Tuesday, March 25, 2014 at 10:00pm

Math
The three interior angles of a triangle are in a 1:3:6 ratio. Find the measure of the largest angle?
Tuesday, March 25, 2014 at 8:48pm

math
an open-topped box can be made from a rectangular sheet of aluminum, with dimensions 40 cm by 25 cm, by cutting equal-sized squares from the four corners and folding up the sides. Declare your variables and write a function to calculate the volume of a box that can be formed. ...
Tuesday, March 25, 2014 at 7:59pm

math
Hoe do you do 450 divide14?
Tuesday, March 25, 2014 at 7:54pm

math
Eric has a two rocks samples. One has a mass of 600 grams and the other has a mass of 1 kilogram. He recorded the total mass as 7 kilogrmaas. Explain what he did wrong? What should be the correct answer in grams?
Tuesday, March 25, 2014 at 7:33pm

math
the time is 6:10 is the hour hand closer to 6 or 7? why?
Tuesday, March 25, 2014 at 7:27pm

math
the new highway will be a total of 54 miles long. will the highway be finishe in 8 months
Tuesday, March 25, 2014 at 7:03pm

Math
Evaluate 3X /4 if X=2
Tuesday, March 25, 2014 at 5:44pm

math
if one rhombus measures 62 what are the remaining angle
Tuesday, March 25, 2014 at 5:19pm

Science
Ricco mixed up 500 cc of salt solution. He weighed it and found it's mass to be 585 g. Will his shake up toy work the way he wants it to if he uses this salt solution? Why or why not? Remember, 1 ml= 1 cc show your math
Tuesday, March 25, 2014 at 5:11pm

Chemistry
What volume in liters will be required to dissolve 60.9 grams of Mg(OH)2? Ksp = 1.8×10-11 After doing the math, i got 1.58e-4, but its not right, so i have no idea what to do now.
Tuesday, March 25, 2014 at 5:07pm

Math
A 3-foot piece of wood is cut into two equal sections. How long is each section in inches? a. 9 inches b. 18 inches c. 27 inches d. 36 inches
Tuesday, March 25, 2014 at 5:02pm

math
Harriet spent $4050 on other supplies for her aviary. She spent $326 less on litter than she did on perches, and twice as much on nesting boxes as litter and perches combined. How much did she spend on perches?
Tuesday, March 25, 2014 at 3:52pm

math
Change decimals to a fraction 0.35
Tuesday, March 25, 2014 at 3:26pm

Math
Find the radius of a circle so that it's area and circumference have the same value.
Tuesday, March 25, 2014 at 2:47pm

math
Which type of graph would best display the numbers of each type of vehicle sold by a large dealership during a year? A. bar graph B. circle graph C. line graph D. line plot
Tuesday, March 25, 2014 at 12:38pm

MATH
you have a pair of newborn hamsters. each pair that is at least one month old produces a new pair every month. at this rate, you will have 178 hamsters at the end of what month? (The math relay officials said the 10th month but I think that it should be the 8th)
Tuesday, March 25, 2014 at 10:11am

Math
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 A) x = -2.125, y = 3.23, and z = 4.555 B) x = 1.661, y = 2.509, and z = 0.404 C) x = 2.509, y = 1.661, and z = -0.404 D) x = 0.260, y = 2.435, and z = 1.375 E) x = 2.435, y = 1.375, and z = 0...
Tuesday, March 25, 2014 at 10:05am

math
Graph the function f(x)=1/3-x (x≠3)
Tuesday, March 25, 2014 at 7:32am

Convert fraction decimal and percent
On Friday math test. will missed 5 problems out of 25. If each problem was equally weighted, what was will's grade on the test? A. 20% b. 75% c. 80% d. 85%
Tuesday, March 25, 2014 at 3:48am

math
So how would you isolate the variable of 3z=5? My mom is trying to help me understand it, so she gave me 15 questions, and this one I am not sure of, thank you.
Tuesday, March 25, 2014 at 12:55am

math
2 trains leave the station at 325 one going east at 66 miles per hour the second going west at 82 miles per hour they are 111 miles apart what time is it
Tuesday, March 25, 2014 at 12:17am

math
Sonya spent 2/5 of her money and then had $18 left. How much money did Sonya originally have?
Monday, March 24, 2014 at 10:20pm

math
CALCULATE if 1/3of the candles are pink 3/8 are yellow and 1/4 is blue remaining 2 are white
Monday, March 24, 2014 at 9:45pm

math
The deck in Hope's backyard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her birthday party, she wants to connect each post to all the other posts with crepe-paper streamers. How many streamers will she report?
Monday, March 24, 2014 at 9:31pm

Math
hope's mom baked a cake for hope's birthday. It is in the shape of a rectangle 10 inches long and 6 inches wide. If she starts at one corner and puts a candle every 2 inches, how many candles will fit around the edge of the cake?
Monday, March 24, 2014 at 9:02pm

math
Carlos invested his savings in two investment funds. The amount he invested in Fund A was $8000 less than the amount he invested in Fund B. Fund A returned a 8% profit and Fund B returned a 4% profit. How much did he invest in Fund B, if the total profit from the two funds ...
Monday, March 24, 2014 at 7:45pm

math
mr andropolis wants to leave the waitress a 12% tip. estimate the tip he should leave if the family's bill is $32.46
Monday, March 24, 2014 at 7:27pm

Math-Statistics
Assume you build a Candy castle for which you buy a bag of gummy bears, a block of chocolate and a bag of nuts. The weight of the three ingredients is a random variable (X1, X2 and X3) with mean weights μ1 = 200 gram, μ2 = 400 gram and μ3 = 150 gram. The bags ...
Monday, March 24, 2014 at 7:26pm

Math-Statistics
The chance that a college student has a job offer before graduation is 70%. If I sample 200 graduates… (use continuity correction) a) what is the chance more than 130 of them have a job offer? b) what is the chance less than 133 of them have a job offer? c) what is the ...
Monday, March 24, 2014 at 7:25pm

Math-Statistics
5) You know that you will inherit 20% of your uncle John’s wealth, 30% of your aunt Becky’s wealth and 50% of your parent’s wealth. Since they are not dead yet, their respective wealth is a RV and all we know is that their wealth at death is ~N and independent ...
Monday, March 24, 2014 at 7:25pm

Math-Statistics
Assume your expected lifetime income is $1.5 million and the standard deviation is $250,000. a) What is the chance that you will earn more than $1.1 million during your lifetime? b) What is the chance that you will earn less than $2 million during your lifetime? c) What is the...
Monday, March 24, 2014 at 7:23pm

math
Layne sends an email to 7 people and those 7 people send the email to 7 more people, and so on. Write an expression to show the number of people who will receive the email after the fifth round.
Monday, March 24, 2014 at 6:55pm

math
Mr. Gonzalez's sixth-grade class is putting on a play. He reserved the first 6 rows of the auditorium for family members and friends of the 24 students in his class. If each row contains 17 seats and each student can invite the same number of guests, how many guests can ...
Monday, March 24, 2014 at 6:48pm

math
If an airplane travels at 300 mph with no air resistance, and it travels directly south with a wind of 50 mph east, how fast is the plane going?
Monday, March 24, 2014 at 6:45pm

math
3/4 as decimal
Monday, March 24, 2014 at 6:21pm

4th grade math
What is 1. 2/3 + 3/6 = 2. 3 1/10 + 17/5 = 3. 3 2/6 - 1 5/6 =
Monday, March 24, 2014 at 6:14pm

4th grade math
Suppose 8 kids are running a mile. 3/4 of the kids ran the mile in less than 10 minutes. How many kids finished the mile in less than 10 minutes.
Monday, March 24, 2014 at 6:13pm

math
0.7 as a fraction
Monday, March 24, 2014 at 6:08pm

math
0.6 as a fraction
Monday, March 24, 2014 at 6:07pm

math
0.625 as a percent
Monday, March 24, 2014 at 6:07pm

Math
If your heart beats 24 beats inn10 sec,how many beats will it beat in 3 mins?
Monday, March 24, 2014 at 5:49pm

math
0.6 as a percent
Monday, March 24, 2014 at 5:48pm

math
1/2 as a decimal
Monday, March 24, 2014 at 5:47pm

math
2/5 as a decimal
Monday, March 24, 2014 at 5:47pm

math
0.25 as a fraction
Monday, March 24, 2014 at 5:34pm

6th gr. math
0.2 as a percent?
Monday, March 24, 2014 at 5:19pm

Math
Given the following function, choose the graph with the two possible angles with the domain 0 < or = to theta < or = to 360 degrees. Sec(theta)= -13/5
Monday, March 24, 2014 at 5:16pm

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