Monday
December 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
Two sides of a triangle measure 3cm and 8 cm which of the following could be the perimetre of a triangle
Wednesday, November 9, 2016 by owais

math
The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Shania drew the line of best fit on the graph. A graph titled Plant Height shows Number of Weeks on x axis and Height of Plant in cm on y axis. The scales on both x and y axes are ...
Wednesday, November 9, 2016 by Samantha

Math Check
1. What is 2.28 x 10^-8 in standard form? a. 228,000,000 b. 22,800,000 c. 0.0000000228 d. 0.000000228 Either c or d... I forgot. 2. A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth. a. 0.192 b. 0.193...
Wednesday, November 9, 2016 by Prim

math
Calculate the compound interest on 7400 in 4years at 6percent p.a if the Interest is calculated every 3months
Wednesday, November 9, 2016 by queen

Math
Suppose a tunnel is 44 feet wide and 22 feet high is in the shape of a parabola. A) Determinate an equation, f(x), of a parabola to represent this situation and B) provide a graph to support your work. Suppose lanes pass trought the tunnel that are each 12 feet wide. C) ...
Wednesday, November 9, 2016 by Alex

Math
1. Name one pair of congruent angles. (1 point) ?PQR and ?VST ?PRQ and ?SVT ?RQP and ?TVS ?QPR and ?STV 2. Name one pair of congruent sides. (1 point) Segments PR and SV Segments QR and ST Segments RP and TS Segments PQ and VS 3. Which method shows that the two triangles are ...
Wednesday, November 9, 2016 by Embershy

Math
Consider F and C below. F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t ? 1, 0 ? t ? 1 (a) Find a function f such that F = ?f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C ?f · dr along the ...
Wednesday, November 9, 2016 by Taylor

MATH
I can't figure out some of them, and I need help! m - 7 < 6 1. m< -13 ** 2. m< 1 3. m< -1 4. m< 13 n - 8 > 5 1. n> 13** 2. n> 3 3. n> -3 4. n> -13 p + 5 < 10 1. p < -15** 2. p < 5 3. p < 15 4. p < -5 The science class is taking...
Wednesday, November 9, 2016 by HELPPPPPPPPPP

Math
Sam's cat can run 45 feet per second about how fast is that in miles per hour
Wednesday, November 9, 2016 by Kennedy

math
Ana and john are salespeople at store.If they made 36 sales one day and john sold three less than twice Ana's sales total,how many did john sell?
Wednesday, November 9, 2016 by o

math
One third of the boys and one half of the girls participate in a social work. If the number of participating students is 300 out of which 100 are boys,what is the total number of students?
Wednesday, November 9, 2016 by omaima

math
In a school 1/6th of the girls and 1/7th of the boys took part in a camp.what fraction of the total number of students took part in the camp?
Wednesday, November 9, 2016 by omaima

Math
What percent of each selling price is the. 10 cents tax collected by the federal government
Wednesday, November 9, 2016 by Asmelash

math
When the price of an article is reduced by 5/8 of its former value, the number of article sold is increased to 32/27 of the original amount. The present daily revenues is what fraction of the original?
Wednesday, November 9, 2016 by iselle

math
6kgs of a dried fruit mixture which coat 300per kg and 1.5kgs of nuts costing $700 per kg are mixed together. What is the cost per kg of this mixture?
Wednesday, November 9, 2016 by omaima

math
Square root of 144+6'2
Wednesday, November 9, 2016 by collin

math
How many kgs of concrete containing 14% cement must be mixed with 150kgs of concrete with 6% to create a mixture that is 11% cement?
Wednesday, November 9, 2016 by omaima

math
7. A certain strain of bacteria doubles every 6 minutes. Assuming that you start with only one bacterium, how many bacteria could be present at the end of 84 minutes (round answer to the nearest bacteria)?
Wednesday, November 9, 2016 by amy

Math
x^2 = 64 x=?
Wednesday, November 9, 2016 by Connexus

math
For each of the following,write three more like fractions: 1/9,5/9,7/9,_,_,_
Wednesday, November 9, 2016 by nganthoi

Math
the ratio of the base of an isoceles triangle to one of the legs if the base is 10cm long and the leg is 4 cm less than twice the length of the base
Wednesday, November 9, 2016 by Aly

math
The length of the rectangle is 12 ft. What is the perimeter if the width is 42 inches?
Wednesday, November 9, 2016 by jeremiah s. gainsan

Math
There are blue red and green buttons in a box. The ratio of blue to red buttons is 3:4. There are 12 more green buttons than blue buttons. 6 blue buttons and 1/3 of the green buttons were removed from the box. The number of buttons removed were replaced by the same number of ...
Wednesday, November 9, 2016 by Hwee

math
Mr cruz finds that he can travel 12 km per liter of gasoline. After the tune up of his engine, he uses only 4/5 as much gasoline. how much farther in km can he now ride on one liter of gasoline?
Wednesday, November 9, 2016 by iselle

MATH
An inch on a map represents 200 miles. On the same map, a distance of 375 miles is represented by? A. 1 1/2 inches B. 1 7/8 inches C. 2 1/4 inches D. 2 3/4 inches Thank you for your help.
Wednesday, November 9, 2016 by chris

math
im thinking of a number. i add 12. i double it. I subtract 8. I halve the number. I get 12 . Whats my number?
Wednesday, November 9, 2016 by lorenz origenes

MATH
Consider F and C below. F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 15z2 k C: x = t2, y = t + 2, z = 3t ? 1, 0 ? t ? 1 (a) Find a function f such that F = ?f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C ?f · dr along the given ...
Wednesday, November 9, 2016 by Anon

Can someone Help w/Math
Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, 16 states had an increase in the dropout rate during the past 2 years. 18 states had a dropout rate of at least 30% during...
Wednesday, November 9, 2016 by Bobbie

math
A pet store can hold 14 fish in a tank .how many tank would be need for 342 fish ?
Tuesday, November 8, 2016 by dejae

Math/algebra
Solve this: the cost of renting a kayak for 1 hour is $15, for 2 hours is $20, for 3 hours is $25, for 4 hours is $30. Write two different algebraic expressions that can be used to find the cost of renting a kayak for h hours.
Tuesday, November 8, 2016 by Langston

Math 6 grade - question for Ms sue
Thank you i have what you wrote but that means there is only one way ? , copy the web below. Since it is a web that shows the connections between all the different ways a portion can be represented, its technical name is “Representations of a Portion web.” After ...
Tuesday, November 8, 2016 by Jessica

Math 6 grade
I just want to know if someone can help me understand what is it asking.if I have to show different as different ways of fractions and decimals to come up to 15% or just one method of 15%. copy the web below. Since it is a web that shows the connections between all the ...
Tuesday, November 8, 2016 by Jessica

Math
The original price of a comic book is, the tax is 6%. What is the selling price for the comic book?
Tuesday, November 8, 2016 by Shaun

Math
Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?
Tuesday, November 8, 2016 by Dan

Math
How many letters are there in the correct answer for this question? a. One b. Two c. Three d. Four e Five
Tuesday, November 8, 2016 by Lulu

Math
Tom leaves the outskirts of City A at 8 am and travels north to City B at a constant speed of 80 km/h. Cindy leaves from the same place at 8:30 am and takes the same route traveling at a constant speed of 100 km/h. At what time will Cindy overtake Tom along the road to Sydney?
Tuesday, November 8, 2016 by Carl

Math
To buy a tablecloth for her dining table, which is 2.5m by 1.2m on its top surface, Mrs Joe also considered leaving 30cm hanging down from all around the table surface. If Mrs Joe put the cloth flat on the ground, what was the perimater of the cloth in centimetres?
Tuesday, November 8, 2016 by Tutut

math
When the rate of interest in the bank is increased from 5% to 6% per annum,Gerald deposits Tsh 12,000 more into his account.If annum interest now received by him is Tsh 1100 more than that before,find his original deposit.**please anyone to help me with the solution***
Tuesday, November 8, 2016 by kelvin

math
Jenifer jogs at the rate of 3 3/4 miles per hour. How far does she jog in 1 5/6 hours?
Tuesday, November 8, 2016 by joseph

math
What is the smallest positive integer which, when divided by 6 gives remainder 1 and when divided by 11 gives remaider 6.
Tuesday, November 8, 2016 by Mika

math
Rodney haves 4 pizzas , each friend can eat 2/3 of a pizza.How many friends can I share with?
Tuesday, November 8, 2016 by rodney

Math fraction
I took a handful of M&Ms. One third of them were red. What might my handful look like? How would a mathematician represent it? This is a fraction question. Can you please help me with this. Thank you.
Tuesday, November 8, 2016 by math eagle

Math
a rectanglular form is 3.5 meters long,2 2/5 meters wide and 2.5 meters deep.Tory filled it full of cement,leaving 25 centimeters space at the top.How many cubic meters of cement did Tory use?
Tuesday, November 8, 2016 by Anna

Math
A 9.2 ounce can of tomato juice costs $3.48. What is the price per ounce of the tomato juice to the nearest cent?
Tuesday, November 8, 2016 by Vivian

Math
A farmer has 7 pigs. He has twice as many goats as pigs. How many goats does he have?
Tuesday, November 8, 2016 by Carlos

math fraction
I took a handful of M&Ms. One third of them were red. What might my handful look like? How would a mathematician represent it? This is a fraction question. Can you please help me with this. Thank you.
Tuesday, November 8, 2016 by math eagle

math
what is the expression for 8 less than the product of 5 and -4
Tuesday, November 8, 2016 by manny

Math
Ryan wants to make a dog run in his backyard using the end of the garage as one side of the run. If he has 133 5/6 feet of fencing and the garage is 21 1/6 feet wide how much will the run be?
Tuesday, November 8, 2016 by Jenny

Math
decrease the product of 14 and -5 by the square of 6
Tuesday, November 8, 2016 by Din

Math
A series of 288 consecutive odd integers has a non-zero sum that is a perfect fourth power. Find the smallest possible sum for this series.
Tuesday, November 8, 2016 by Anonymous

Math
Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ?f. If it is not, enter NONE. F(x, y) = (3x^2 ? 2y^2) i + (4xy + 2) j
Tuesday, November 8, 2016 by Taylor

math
if i have 24 candy bars and i eat 1/3 of them how many do i have left?
Tuesday, November 8, 2016 by damaryz martinez

Math
what is the domain of (f/g)(x)? {x|x>_0} {x|x>2} {x|x>-2} {x|xer}<-- f(x)=|x|-1,g(x)=1/x What is the domain of (fog)(x) {x|x=/-1} {x|x=/0} <--- {x|xer} {x|x=/-1,x=/1} This is too hard I can't get it.
Tuesday, November 8, 2016 by Dee

Math
How Does the Average Man Feel Today?
Tuesday, November 8, 2016 by Chc_student1

Math
Solve for each equation 3/x^2+x-2 - 1/x^2-1= 7/2x^2+6x+4
Tuesday, November 8, 2016 by Aria

Math
Thuy is 54 inches tall.A tree in her backyard is 5 times as tall as she is. The floor of her treehouse is 108 inches from the ground. What is the difference, in inches, between the top of the tree and the floor of the treehouse? Is this correct? 54*5-108=162
Tuesday, November 8, 2016 by Tommy

Math HELP HELP
Express the following in completed square form. x^2+4x-41
Tuesday, November 8, 2016 by Maria

Math
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve. 2/x+3 - 5/x-1= -5/x^2+2x-3
Tuesday, November 8, 2016 by Aria

Math
Use Green's Theorem to evaluate C (F · dr) (Check the orientation of the curve before applying the theorem.) F(x, y) = e^(2x) + x^(2)y, e^(2y) ? xy^2 C is the circle x^2 + y^2 = 4 oriented clockwise
Tuesday, November 8, 2016 by Taylor

MATH
Hi, I'm trying to understand what a quadratic equation is. I understand that in a quadratic equation you have to have a variable in the second power. Why, then, aren't y = x^2 + 2x^3 and Y = 2x^2 + 3 times the square root of x quadratic equations? They both have powers...
Tuesday, November 8, 2016 by Carly

4th grade math
a 4 digit whole number is added to a 2 digit whole number. there is a largest possible sum and a smallest possible sum. what is the difference between those two sums?
Tuesday, November 8, 2016 by Kate

Math
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve. 2x/x+1 + 3/5x+5=0
Tuesday, November 8, 2016 by Aria

Math
Which of the following sets of ordered pairs represents a function? {(5,2),(2,6),(5,10),(1,2)} {(-3,2),(2,6),(5,2),(1,7)} {(-3,2,(2,6),(3,10),(1,7)} {(-3,2),(2,6),(5,10),(2,-1)} ^dont get this one.. Which expression is equal to (f+g)(x)? f(x)=x^2+3;g(x)=x-1 x^2+x+2 x^2+-2x+4 &...
Tuesday, November 8, 2016 by Dee

Math
The admission to a local fair is $10 for an adult and $6 for a child. Each ride costs $1.50 for and adult and $1 for a child. Write an expression that represents how much more an adult will spend.
Tuesday, November 8, 2016 by Rebecca

Math
Four students work to find an estimate for square root of 37. Who is closest to finding the true estimate? A. Ricardo: 6 B. Rhonda: 5 C: Riley: 7 D: Ryan: 8 My answer is either Ricardo or Riley. I'm thinking Riley
Tuesday, November 8, 2016 by Dean Winchester

math
•Explain how writing 2x-5 with positive exponents is similar to writing 2x-3/4 with positive exponents. Post a problem involving a rational exponent for your classmates to solve.
Tuesday, November 8, 2016 by nina

Math
Prove That 0/0=2
Tuesday, November 8, 2016 by Emdiong

math
determine if the ordered pair is a solution to inequality (5,2) 2x + 7y > 23
Tuesday, November 8, 2016 by Anonymous

Math
How many pieces 9 in long can be cut from a 15 ft.piece of wood
Tuesday, November 8, 2016 by Jack

Math
If u scored 85,89,89,91 on a test but u need an average mean of 90 what will u have to score on ur last test to get 90?
Tuesday, November 8, 2016 by S

Math
Which algebraic expression is equivalent to the expression below? 10(4x + 3) - 9x a. 31x + 30 b. 31x - 3 c. 40x + 21 d. 49x + 30 I feel the answer is B. but I'm not sure. If someone could type out the equation, that'd be great
Tuesday, November 8, 2016 by Nobody knows me ^-^

Math
Water stations will be placed every 400 meters of a 5-kilometer race. How many water stations are needed?
Tuesday, November 8, 2016 by Mia

math geometry
Please help so hard. My problem... In the coordinate plane point C lies on line segment AB. The coordinates for MN are (2,4) and (16,12). If the ratio of the length of AC to the length of CB is 3:4, what is the x-coordinate of point C?
Tuesday, November 8, 2016 by erika

geometry
I need help with my math.. Can someone please help.. In the coordinate plane point X lies on line segment MN. The coordinates for MN are (-1,3) and (7,10). If the ratio of the length of MX to the length of XN is 2:5, what is the y-coordinate of point X?
Tuesday, November 8, 2016 by jamie

Math
Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x-2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31 yrs old 5yrs: 35 yrs ...
Tuesday, November 8, 2016 by Alle

Math
I have two numbers that have a sum of 16 and a difference of 3. By forming two equations and solving them find the two numbers.
Tuesday, November 8, 2016 by Brad

math
a circular table has a raduis of (x-1)m..find its area
Tuesday, November 8, 2016 by alaiza mae

math
2. You Decide Toni buys 8 identical packs of comic books for his collection. What must you know before you can multiply to find the total number of comic books Toni bought?
Tuesday, November 8, 2016 by Luai

math
The 3rd term of a convergent geomatric progession is the Airthmatic mean of the first and second terms.if the first term is 1 the sum to infinity will be
Tuesday, November 8, 2016 by saad

Math
29 students 12 boys and 17 girls probability of selecting a boy
Monday, November 7, 2016 by Anonymo

Math
When using the Distributive Property to multiply two binomials, how many pairs of partial products will be in the result (before any simplifying)? A.1 B.2** C.3 D.4 Thanks for the help! :)
Monday, November 7, 2016 by Laney

Math
How would I write an equation of a line with an undefined slope that passes through (-3,-6)?
Monday, November 7, 2016 by Help please

Math
which of these prices is lower than 5 for $3.00
Monday, November 7, 2016 by Tyler

math
lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seeds than radish seeds. How many radish seeds are there? How many carrot and radish seeds does Lily plant?
Monday, November 7, 2016 by teresa

Algrebra, Graphs, Math
How do I sketch my graph of X+Y=3? Please help! I don't understand. Do I need to solve this like the rest of my previous graphs if so, then how? Please Help!
Monday, November 7, 2016 by Anonymous

Math
Simplify the expression -1.5(4n-n)+2.8
Monday, November 7, 2016 by Devyn

Math
Which of the following sets of ordered pairs represents a function? {(5,2),(2,6),(5,10),(1,2)} {(-3,2),(2,6),(5,2),(1,7)} {(-3,2,(2,6),(3,10),(1,7)} {(-3,2),(2,6),(5,10),(2,-1)} ^dont get this one.. Which expression is equal to (f+g)(x)? f(x)=x^2+3;g(x)=x-1 x^2+x+2 x^2+-2x+4 x...
Monday, November 7, 2016 by Dee

math
Sara has some fish, 2 birds, and 5 hamsters. She has 6 fewer hamsters than fish. How many fish does she have?
Monday, November 7, 2016 by Anonymous

Math
Of all the animals at the shelter 5/8 are cats. 2/3 of them are kittens what fraction of the animals at the shelter are kittens?
Monday, November 7, 2016 by Leslie

Math
find f(-3) for f(x)= 3x-x^2 f(-3)=0 f(-3)=18 f(-3)=-18<--- f(-3)=-15 What is the range of f(x)? f(x)=|x+1| All real numbers greater than 0 All real numbers greater than -1 All real numbers greater than or equal to 0<- All real numbers greater than or equal to -1 f(x)=4x^...
Monday, November 7, 2016 by Dee

math
order these from least to greatest,5/9,2/7,1/8
Monday, November 7, 2016 by sahar

Math
Joseph deposited a certain amount of money.He earned one over nine of its principal at the number of years equal to the rate provided.Find the interest rate provided.**i need your help guys+++
Monday, November 7, 2016 by kelvin

math last question asap ples :P
Which of the images above represents a proof of the Pthagorean Theorem? Explain your choice, and them explain how the figure proves the Phythagoream Theorem. Figure A The hypotenuse of the right triangle is 64 units^2 One leg is 36 units^2 The bottom leg is 9 units^2 Figure B ...
Monday, November 7, 2016 by coolguy123

Math
6(2b)
Monday, November 7, 2016 by Kim

math
16s^2-9
Monday, November 7, 2016 by Tam

MATH ..can you guys help??? also ASAP :p
write a translation rule that maps point d(7 -3) into point d(2 5)
Monday, November 7, 2016 by coolguy123

Math
6 + (5 + x) simplify the expression. Explain each step. How do I do this?
Monday, November 7, 2016 by Kim

math
Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many more robins did she see than cardinals
Monday, November 7, 2016 by Sophia

Math
Three birds have a combined age if 76 years old. One bird is 10 years old. The second is twice as old as the third bird. How old are they?
Monday, November 7, 2016 by Amy

math
Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?
Monday, November 7, 2016 by keith

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