Saturday
December 3, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
you buy a bicycle lock with 4 dials to enter the combination. the first dial has numbers from 0 to 9, the next dial has numbers from 3 to 8, the next has numbers from 0 to 4 and the last has letters from A to Z. write the equation for the number possible combinations of the ...
Monday, October 24, 2016 by issy

Math, Precalc
Find values of the constants A, B, and C such that (16x^2+48x−216)/(x^3−36x)=A/​(x−6)+B/(x)+C/(x+6).
Monday, October 24, 2016 by Anonymous

Math
Use the given values to write an equation relati g x,y and z given that z varies jointly with x and y X=3 Y=2 Z=2.4
Monday, October 24, 2016 by Willow

Math
Kyle has 2 shelves in his bookcase.he puts 2 books on the top shelf and 1 book on the bottom shelf. Are kyle books in an array?
Monday, October 24, 2016 by Cole

Help! [Math]
2.7/9.0 x 10^(-5)-(-6) = ? I can't figure it out :'c
Monday, October 24, 2016 by Mark

Math
How do you know which relation is NOT a function? (How do you determine or figure that out) 1.) y=2x+4 2.) y=x^2-4x+3 3.) x=3y-2 4.) x=y^2+2x-3
Monday, October 24, 2016 by Jenny

True or False Math
{a, c} € {a, b, c} How do you get the answer? Thank you
Monday, October 24, 2016 by Kal Jay

Math
Divide 2 ____ 9 ____ 2
Monday, October 24, 2016 by Jenny

Math
Write each percent as a fraction and as a decimal. 7. 72% full 72/100 or .72 9. 500% increase Would it be 500/100 or 500/1000? .500 11. 37% profit 37/100 and .37 Please be so kind as to double check my answers and explain to me if I got anything wrong so I can get a better ...
Monday, October 24, 2016 by Donald

Math HELP!
Point 1 (x1,y1)= (3,2) Point 2 (x2,y2)= (5,6) Slope: m=rise/run ; m=y2-y1/xs-x1 ; m= 6-2/5-3 = 2 m=2 Point slope form: (y-y1)=m(x-x1) I used point 1 so, y-2=2(x-3) Answer: y=2x-4 and the answer would be the same if I used point 2 (5,6) MY QUESTION IS: Using the points given ...
Monday, October 24, 2016 by Jess

math plz help
Order the numbers from least to greatest. 3/8, 19/24, 2/3.
Monday, October 24, 2016 by Jewel

Math
The first question is show how to make one addend the next tens numbers. Complete the new addition sentence: 15 + 37= I need a break down to how to to figure this out. Please.. I have no clue what to do.
Monday, October 24, 2016 by Paula

math
10.   What is 0.000750 in scientific notation?   75 × 10–4 7.5 × 10–3 7.5 × 10–4 7.5 × 10–5 11.   What is  written as a decimal?  (1 point) 4.2 4.3 4.4 4.5 12.   The 2010 census data ...
Monday, October 24, 2016 by i need help please

math
find the missing number in each sequence... 30,_____,19, 13 1/2
Monday, October 24, 2016 by unknown

Math
A sample of 120 bags of potatoes produced by a factory was found to have a mean weight of 2.47 kg and a standard deviation of 0.12 kg. Obtain a 95% confidence interval for the mean weight of all bags of potatoes produced by the factory.
Monday, October 24, 2016 by Grace

Math
The diameters of a circle is 50cm how far does the wheel travel for 1 turn
Monday, October 24, 2016 by Mary

> Finite Math
Colleen observed a candy store and counted the number of bars of chocolate sold - categorized into milk chocolate, dark chocolate, white chocolate, chocolate with peanuts, chocolate with almonds, chocolate with pretzels, and mint chocolate. THERE ARE: (12) MILK (7)DARK (2)...
Monday, October 24, 2016 by KEN AMOS

Math
In a community of 800 people the rate at which a rumor spreads is jointly proportional to the number of people who have heard the rumor and the number of people who have not heard it. Given that the rumor is spreading at the rate of 20 people per hour when 200 people have ...
Monday, October 24, 2016 by Gems

math
m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2 - m∠2 = m∠2...
Monday, October 24, 2016 by Sasha

Math
Jaden gave away 1/2 of her money on monday. He then gave away 1/3 of what was left on Tuesday. On Wednesday, she spent 1/4 of his remaining money. What fraction of her original money does he have left
Monday, October 24, 2016 by Takay

Math
For what value or values of x is the expression 3x/x^2-x undefined?
Monday, October 24, 2016 by Gems

Math
For what real values of k will the roots of the equation kx^2-3kx=2 be real numbers?
Monday, October 24, 2016 by JR 8

Math
Find the solution set of x^2+x+3>0
Monday, October 24, 2016 by JR 8

Math
Triangle ABC has a right angle at C. The bisector of an exterior angle at B intersects line AC at D. If AB=13 and BC=5, what is the length of segment BD?
Monday, October 24, 2016 by Gems

Please Help Math
Let U={1, 2, 3, 4, 5, 6, 7, 8, 9} and A={1}. Find the set Ac. a. {2, 3, 4, 5, 6, 7, 8, 9} b. {1, 2, 3, 4} c. {2, 4, 6, 8, 9} d. {2, 3, 4, 5, 6, 7, 8} Thank you!
Monday, October 24, 2016 by Kal Jay

Math
1. X-7>10 X>? ?=7 2. 3x less than or equal to 21 X less than or equal to ? ?=7 3. 5a-2<18 A<? ?=4 or 2/5 4. 2t+8 greater greater than or equal to -4(t+1) T greater than or equal to ? ?=-2
Monday, October 24, 2016 by Cats

Math
Find the exact value of cos 1 degree + cos 2 degrees + cos 3 degrees + ... + cos 357 + cos 358 degrees + cos 359 degrees.
Monday, October 24, 2016 by EC

Math
The lengths of two sides of a parallelogram are 7.4cm and 9.2cm and one of the diagonals has a length of 6.2 cm. Find the area of the parallelogram.
Monday, October 24, 2016 by JR 8

math
The parabola whose equation is 4y^2+3x=2+8y, determine the co-ordinates of the focus, equation of the directrix and the length of the latus rectum?
Monday, October 24, 2016 by david

Math
m∠2 + m∠3 + m∠4 = 180°/ reason: Given? m∠1 + m∠2 = 180°/reason: Supplementary Angle definition m∠1 + m∠2 = m∠2 + m∠3 + m∠4/reason: Substitution property equality m∠1 + m∠2 - m∠2 = m∠2...
Monday, October 24, 2016 by Sasha

Math
In triangle PQR,A and B are midpoints of segment PQ and segment RQ,respectively.If PR=16,measure of angle P is 58 degrees, and measure of angle Q is 38 degrees, what is measure of angle ABR?
Monday, October 24, 2016 by JR 8

Math
If the numerator and denominator of a fraction are both increased by 5, the resulting fraction is equivalent to 2/3. However, if the numerator and denominator are both decreased by 5, the resulting fraction is equivalent to 3/7. What is the fraction?
Monday, October 24, 2016 by Gems (thanks for helping)

Math
The sides of a triangle are 15, 20 and 28. How long are the segments into which the bisector of the largest angle separates the opposite side
Monday, October 24, 2016 by Gems

Math
What's 9+10?
Monday, October 24, 2016 by Destiny

Math
In triangle ABC, measure of angle A is 30 degrees. AC=4, AB=3 square root of 3. Find BC.
Monday, October 24, 2016 by Gems

Math
The price of a home is 177,000. The bank requires a​ 20% down payment and three points at the time of closing. The cost of the home is financed with a​ 30-year fixed-rate mortgage at 10​%.
Monday, October 24, 2016 by Karen

Math Check Answers
Write a rule for the function represented by the table. x y 0 13 1 28 2 43 3 58 y= 15 + 13x y= 14 + 12x y= 13 + 15x** y= 12 + 14x Which function rule would help you find the values in the table? j k 2 -12 4 -24 6 -36 8 -48 k= -12j k= -6j** k= j - 12 k= j - 6
Monday, October 24, 2016 by Amanda

math
The length of a garden is 12.75 m and if breadth is 8.25 how much fencing will be required for the 4 side of rectangular garden
Monday, October 24, 2016 by tinku kumar srivastava

Math Check Answers
Write a rule for the sequence 8 -1 -10 -19... Start with 8 and add -9 repeatedly** Start with-9 and add 8 repeatedly Start with 8 and add 9 repeatedly Start with 8 and subtract -9 repeatedly Find the next three terms of the sequence. -4 -8 -16 -32... -96 -288 -864 -64 -128 -...
Monday, October 24, 2016 by Amanda

Math
A trapezoid has parallel sides 13 and 21 cm long. The longer of the two nonparallel sides is 17 cm and the shorter is perpendicular to a parallel side. What is the area of the trapezoid?
Monday, October 24, 2016 by Gems

Math- Please check my answer
Mali-li has 6 1/3 yd of material. Her new skirt will take 2 1/3 yd. How much material will she have left after the skirt is made? My answer:4 Am I wrong? If I am, can you explain it to me please? Thank you in advance.
Monday, October 24, 2016 by Myah

Math
In triangle ABC, measure of angle A is equal to 30 degrees, AC is equal to 4 and AB is equal to 3 square root of 3. Find BC
Monday, October 24, 2016 by Precious

math 115
A city of population 2.0 million is expected to experience a 15% decrease in population every 10 years. a. What is the 10-year decay factor? What is the yearly decay factor? The yearly decay rate? b. Use part (a) to create an exponential population model g(t) that gives the ...
Monday, October 24, 2016 by Brita

math
If A=(1.4.7.9) and B=(4,5,6,7,8) Find: n(A)=
Monday, October 24, 2016 by Anonymous

math
Give reason 8454 is divisible by 6
Monday, October 24, 2016 by Lulu

Math
There are 4 people in the playground. How many ways can 3 people be selected to play?
Monday, October 24, 2016 by Anonymous

Math
Can someone write an irrational number? Just any one.
Monday, October 24, 2016 by Brooke

Math
What is the last digit of the number 4^2006
Monday, October 24, 2016 by Anonymous

Math
When 1 is subtracted from 5 times a number and a result is divided by 3 more than twice the number we get 4/5.find the number.
Monday, October 24, 2016 by Nitin

applied business math
Thomas Rendell's company pays him a straight 7% commission with a $1,570 drawing account each month. If his sales last month totaled $142,280, how much commission is owed to Thomas?
Monday, October 24, 2016 by wanda

MATH
if (3-x)=6, (7-5x) are consecutive terms of GP with common ratio r>0, fing d value of (x) and d common ratio. thanks
Monday, October 24, 2016 by blake

Math
The side of a square is 15 cm. Calculate the length of its diagonal. (1dp)
Monday, October 24, 2016 by Anonymous

Math
What is the weight of one half of two fifth of a bag of sand? The bag of sand weighs 60 pounds.
Monday, October 24, 2016 by Bonnie

math
Two angle of a quadrilateral is 90 degree and 100 degree. the remaining two angles are equal. calculate the size of each remaining angle.
Sunday, October 23, 2016 by Rofhiwa

Pure Math
Find the complex number u=x+yi where x,y € I, such that u^2=-5+12i. HELPPPPPPP!
Sunday, October 23, 2016 by Kai

math
You are 18 now. You want to have one million dollars when you are 45. How much do you need to save each month, at 10 percent to have your million dollars at age 45?
Sunday, October 23, 2016 by Katey

Math
The weights of divya and himanshu are in the ratio of 5:7. If himanshu weights 28 kg , find the weight of divya
Sunday, October 23, 2016 by Rupa

Math
A typist types 70 pages in 3 hours 30 minutes how long will she take to type 300 pages
Sunday, October 23, 2016 by Rupa

Math
How do you write 1.42 * 10to the fifth power in standard form?
Sunday, October 23, 2016 by Live

math
what property of rational numbers justify the statement2/3+0=2/3
Sunday, October 23, 2016 by marjorie hernandez

math
Estimate the distance the bus travels in 2 3/4 hours at 60 mph.
Sunday, October 23, 2016 by alee

Math
In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?
Sunday, October 23, 2016 by Winston

Math
Three blocks, each 15 cm thick, are stacked on top of a 1.2 m box. How many metres high is the stack?
Sunday, October 23, 2016 by Winston

Math
The daily temperature is decreasing at a rate of 2 degrees Fahrenheit T represent the daily high temperature now right then expression for the high temperature in five days the current at high temperatures need to address for hi-fi high temperature in five days check into you ...
Sunday, October 23, 2016 by John

Math
Gary walked 1 1/2 km to school, then 750 m to his job, then 1 km home. How many kilometres did he walk altogether?
Sunday, October 23, 2016 by Winston

Math
A shirt button gas a mass of 400 mg. A factory produces a tonne of these buttons in a year. How many buttons does it produce.
Sunday, October 23, 2016 by Winston

Math
Pat cuts a 40 cm length off a 3 m ribbon. How many centimetres of ribbon remain?
Sunday, October 23, 2016 by Winston

Math
How would you describe your understanding of rational numbers? (Select all that apply)
Sunday, October 23, 2016 by Taylor

Math
Explain why an account balance less than-40 dollars represent a debt greater than 40 dollars
Sunday, October 23, 2016 by Keke

Math
Use the digits of your birthday as the amount of your initial investment (i.e., 6/25 is $625), calculate the value of this investment after 10 years at 3.5% APR for interest compounded yearly, quarterly, monthly, and daily. What do you notice?
Sunday, October 23, 2016 by Abe

Frequency-Math
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is
Sunday, October 23, 2016 by LEE

math
A 5.35 kg steel block is spun around a motor at 36.5 rpm. The angular acceleration of the block is -2.14 rads/s^2 and it takes 1.79 s for the block to come to a complete stop. What is the angular displacement while the block slows to a stop?
Sunday, October 23, 2016 by charlie

advanced math
A ladder is placed 4 ft from the side of a building. The top of the ladder must be 13 ft off the ground. What is the shortest ladder that will do the job? 4^2 + 13^2 = x^2 16+169=185^ =34,225
Sunday, October 23, 2016 by K

Math
In a basketball game, Albert made 11 out of 15 free throws and Jake made 10 out of 13 free throws. Who had the greater ratio of free throws attempted? Explain your reasoning.
Sunday, October 23, 2016 by Sarah

Math
A farmer has only pigs and chickens. When she stands on her porch and surveys her stock, she sees 22 heads and 52 legs. How many chickens does she have and how many pigs?
Sunday, October 23, 2016 by Anonymous

Math
Substituting the four numbers 1, 9, 8 and 3, for the four letters in the addition problems (different number for different letters) BAD + MAD + DAM. Find the largest sum!
Sunday, October 23, 2016 by rom

Math
What is the last digit of the number 4^2006
Sunday, October 23, 2016 by Anonymous

math
Andi has shopping 48 orange and 45 apples, he wishes to divide it equally into bags. How many possible ways he can do this (he can have 6 bags of 8 fruits)
Sunday, October 23, 2016 by cintia

Math
How many vertices are in a polyhedron if there are 7faces 1 hexagon and 6 triangles
Sunday, October 23, 2016 by Tash

Math
an industry representative claims that 30 percent of all satellite dish owners subscribe to at least one premium movie channels. in an attempt to justify this claim, the representarive's claim is true, and suppose that a sample of six dish owners is randomly selected. ...
Sunday, October 23, 2016 by Emma

math
If each small square on a grand chess board is 2 cm by 2 cm, each diagonal of the whole board measures 800 cm. How many small squares are on the board?
Sunday, October 23, 2016 by Anonymous

Math
A submarine at -28 feet dives 40 feet. What is the submarine's elevation after the dive?
Sunday, October 23, 2016 by Matthew

Math limits
lim as x --> infinity ( 4x + (3 / x^2) ) My work: (4x^3 / x^2) + (3 / x^2) (4x^3 + 3) / x^2 degree of top > degree of bottom No horizontal asymptote, so the limit does not exist The correct answer is infinity. How?
Sunday, October 23, 2016 by Paige

EASY MATH
WHAT IS 20x20+13-100x2 and What is the value of y in yx2=12?
Sunday, October 23, 2016 by Anonymous kid (no name pl

math
52/4 - 4 /5/9=
Sunday, October 23, 2016 by connie

5th grade math
a sticker costs 15 cents, and a packet of similiar stickers cost $1. clement buys 37 stickers. what is the least amount of money that clement spends on the stickers
Sunday, October 23, 2016 by Anonymous

math
A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?
Sunday, October 23, 2016 by tom

Math
Estimate f(5.9) given that f(6)=5 and f′(6)=3.
Sunday, October 23, 2016 by Ashley

Math
Express the given sums using sigma notation. 1/2+1/2×3+1/3×4+...1/99&time​s;100?
Sunday, October 23, 2016 by Girma

math
John was jogging at a rate of 5mph and he has a one half mile start on Sue who jogs at 7 mph. In how many minutes will it take before they meet?
Sunday, October 23, 2016 by Donna

math calculus
A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.
Sunday, October 23, 2016 by Aquino,Vanessa Mae

EASY MATH FOR 4TH GRADE
HOW DO YOU MULTIPLY 3,333 and 5?
Sunday, October 23, 2016 by Anonymous kid (no name pl

math please
Before electricity, nights in towns and fields were often times pitch black, except when there was a full moon. How many times brighter is the noonday sun than the full moon when the moon is at the closest point to the earth? Model the moon as a sphere of radius 1,000 miles (1...
Sunday, October 23, 2016 by Dip

math
Please help. given the units for four of the six variables, what must be the units of z and y? a=m t=s/K h=N^4 x=m z^a=xh cos(yt)
Sunday, October 23, 2016 by lexy

Math Homework
The Men's 400 meter race 5th finisher LESLIE DJHONE from France 45.11/ The Women't 400 meter race 5th place finisher was ANASTASIA KAPACHINSKAYA from Russia 50.03. If both of those 5th finishers had completed in the semifinals of the 2013 World Championships with ...
Sunday, October 23, 2016 by Anonymous

math
 An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 10 more than four times the length of the bottom of the triangle. The last side is 3 more than the bottom of the ...
Sunday, October 23, 2016 by Anonymous

math
Integration: integral (sin2x / rad (1+cos^2 x) ) dx=? integral (x / (x^2 -1)(ln (x^2 -1)) ) dx=?
Sunday, October 23, 2016 by fab.

Math
Two riders, A and B leave the starting line at the same time. A takes 12 minutes to complete one lap and the B takes 18 minutes. How long in minutes after they will it take for them to meet again at the starting line?
Sunday, October 23, 2016 by Anonymous

math
Gordon swims 4 metres for every 1 metre Maria swim. By how far in metres will Gordon beat Maria if the race is 50 metres?
Sunday, October 23, 2016 by Anonymous

Math
A bus leaves Town A on Saturday night and is supposed to arrive at Town B at 08:17 am on Sunday morning. If the estimated journey time is 10 hours 43 minute, at what time on Saturday should the bus leave Town A?
Sunday, October 23, 2016 by Lin

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