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March 29, 2017

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Homework Help: Math

Branches of Math

Recent Math Questions

Math
On a soccer team 40% of the goals are scored by the star player. If 70 goals are scored all season, how many are scored by the rest of the team?
Monday, January 23, 2017 by Amy

Math
Elizabeth pumps 3 1/2 gallons of gas in 1/4 of a tank. How many gallons does a full tank hold? Write an expression to represent the problem. Solve the problem:
Monday, January 23, 2017 by Amy

math
The sum of the first 9 terms of an arithmetic series is 144, and the sum of the first 14 terms is 329. Find the first 4 terms of the series.
Monday, January 23, 2017 by Peter

math
what is the slope of the line x=-5
Monday, January 23, 2017 by Anonymous

math
You deposit $10,000 in an account earning 3% interest, compounded semi-monthly (twice a month). You plan to leave the account untouched for 25 years. How much interest will you earn over the 25 years?
Monday, January 23, 2017 by Harmony

Math
55 is 30% of what number? I think its 183? Can someone tell me if im wrong/explain to me how to do it? I dont really want the answer I just wanna check and see if im right/ why im not right Thanks ^-^
Monday, January 23, 2017 by Meow

Math
Susan was 20 years old when her daughter janet was born what will Janet's age be when their age ratio is 7 :2 what I got is x = 2/9(x + 20) but it gives me an uneven number and not sure if it's correct
Monday, January 23, 2017 by Priska

Math
A graph that represents $20 plus $0.25 permile
Monday, January 23, 2017 by Anonymous

Math
susan was 20 years old when her daughter janet was born. what will Janet's age be when their age ratio is 7:2
Monday, January 23, 2017 by Priska

Math
Which makes this a true statement? _____ rectangles are squares. A. All B. Some*** C. No D. None of these I think it's this please correct me
Monday, January 23, 2017 by MATH Help! PLS read!

math
What is the function rule with input of 18,6,10,22,4,14 and output of 13,7,9,_,_. The last 2 outputs are blank as we need to figure out the rule and then fill in the blanks.
Monday, January 23, 2017 by lori

Math
Write two times,in digital notation, when clockwise angle between the hands is: a. Less than one right angle : b. Less than two right angles : c. Greater than 3 right angles:
Monday, January 23, 2017 by Dam

math adv funcrions
2sin5xcos4x-sinx=sin9x Can u do this without triple angle formula and how
Monday, January 23, 2017 by anon

math
A pilot estimates that 5/8 of the fuelin the planes tank will be used when the plane reaches its destination. The tank contained 42,300 gallons at take-off. How much fuel does the pilot expect to use?
Monday, January 23, 2017 by beth

Math
A parking garage charges $2.00 to enter the garage and $1.50 an hour to park. Use the coordinate plane to graph this situation.
Monday, January 23, 2017 by Charles

Math
A man sold two cycles for RS.3000 each gaining 20% one and losing 20%on the other.Find his gain or loss percentages on the whole transaction.
Monday, January 23, 2017 by Jaswanth

Math
The cost of one dozen bananas is 20 then 9 bananas is
Monday, January 23, 2017 by Jaswanth

Math
Length of rectangle is 8 metres less than twice its breadth. If the perimeter of the rectangle is 56 metres.Find its length and breadth
Monday, January 23, 2017 by Jaswanth

consumer math
Find the volume of the following solid figure. Use = 3.14. V = 4/3r3. A sphere has a radius of 5.7 inches.
Monday, January 23, 2017 by kym

Math
Solve: Log5(x-2) + log8(x-4)= log6(x-1)
Monday, January 23, 2017 by NR

Math
There are 25 children at a party,each child eat 3 cake.how many cakes are eaten altogether?
Monday, January 23, 2017 by Sheikh arshmaan

Study School (Math)
the sum of the digits of a two-digit number is 9.if 9 is added to the number, then its digits interchange their place. what is the difference in cube of the digits?
Monday, January 23, 2017 by Vinojjoseph

Math
lisa wants to paint the ceiling of her restaurant.The ceiling is in the shape of a square Its side lengths are 48 feet suppose each can of paint will cover 192 square feet. How many cans will she need to pant the ceiling
Monday, January 23, 2017 by Ella

Math
is x^2-3x+28 factorable
Sunday, January 22, 2017 by Aaron

math
Tylenol 3 has 16 mg of Codeine per 11 ml of liquid. A safe dose of Codeine is 4.8 mg/Kg/Day. A patient who weighs 215 pounds needs a Tylenol 3 prescription. There are 2.2 pounds for every 1 kilogram. How many kilograms is this person's mass? How many milligrams of Codeine can ...
Sunday, January 22, 2017 by sylivia

math question
An aeroplane flies at 800km/h for one third of its flight time and averages 700 km/h for the entire trip. What is the average speed, in kilometres per hour, over the remaining part of the journey? A. 600 B.750 C.650 D.500 E.625 Could you please explain in detail thank you
Sunday, January 22, 2017 by todd

Math
-1/2x-3greater than 8
Sunday, January 22, 2017 by Jacob

math
The data shows the total number of employee medical leave days taken for​ on-the-job accidents in the first six months of the​ year:19​, 10, 26​, 12​, 28​, 19. Find the mean number of days taken for medical leave each month
Sunday, January 22, 2017 by dssie

Math
A board 26 3/8 inches long must be cut into three pieces of equal length. Find the length of each piece.
Sunday, January 22, 2017 by Denisse

Math
the area of a rectangle is given by the expression (x^3+7x^2+11x+2) in^2. The length of the rectangle is given by the expression (x+2) in. What is an expression for the width of the rectangle?
Sunday, January 22, 2017 by Jen

Math
Tom has 5 times as many comic books as Deborah. Deborah has 40% of the number of comic books that George has. if the total number of comics owned by the three friends is 204, how many are owned by Tom?
Sunday, January 22, 2017 by Anonymous

math
2√72 +√32 I got 8√8
Sunday, January 22, 2017 by Tim

Math
A tennis racket is marked up 50% to $36.75 what is the original price?
Sunday, January 22, 2017 by Kk

Math
2sqr72+sqr32 9x8 plus 4x8 2sqr3 x sqr8 + 2xsqr8 =8sqr8
Sunday, January 22, 2017 by Tim

Math
A basket ball team scored a total of 160 points. they made 74 baskets. how many 2 point and how many 3 point shots?
Sunday, January 22, 2017 by Dave

math
Tylenol 3 has 16 mg of Codeine per 11 ml of liquid. A safe dose of Codeine is 4.8 mg/Kg/Day. A patient who weighs 215 pounds needs a Tylenol 3 prescription. There are 2.2 pounds for every 1 kilogram. How many kilograms is this person's mass? How many milligrams of Codeine can ...
Sunday, January 22, 2017 by bernadet

Math
Use long division to determine if the divisor is a factor of the dividend. (-x^2-94x+600)/(x+100)
Sunday, January 22, 2017 by Mel

math
kelly spend 2/3 of her money on books and from the remaining money, kelly spent 1/4 on food how much money did kelly spend on food from here total amount of money?
Sunday, January 22, 2017 by kelly

Math
Julie wants to find out how much water was used when taking a bath and when taking a shower. Julie found the dimensions of the tub filled with enough water to take a bath was 48 inches x 38 inches x 16 inches and that the shower uses 8.25 gallons per minute. Julie figures a ...
Sunday, January 22, 2017 by shewanna

Math
There is an error in the student work shown below: Question: Divide (x^3-8)/(x-2) The student did long division and the got x^2 remainder -6+2x^2
Sunday, January 22, 2017 by Aria

Math
An article states that gas cost $122 Canadian dollars per litter in Canada. To be able to compare this price to the US, convert this to Dollars per gallon ($1 US + 1.18 Canandian Dollar and 1 gallon + 3.78 L
Sunday, January 22, 2017 by Elijah

Math
Karen wanted to find out how much waster was used when taking a bath and when taking a show. Karen found the dimensions of the tub filled with enough water to take a bath was 1.7 meters x 1 meters x 0.46meters and that the shower uses 5075 liters per minute. Karen figures a ...
Sunday, January 22, 2017 by Precious

Math
A room has dimensions 10 feet by22 feet and needs wall to wall carpeting. The store charges $61 per square yard to install the rug. How much will it cost to install the rug?
Sunday, January 22, 2017 by Cherl

Math
Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck, plus an additional amount per mile. Company 1: Miles: 30 Rental Charge: $...
Sunday, January 22, 2017 by Christina P.

Math
How many five-card hands chosen from a standard deck contain two hearts and three spades?
Sunday, January 22, 2017 by Felicity

Math
if two fair dice are rolled what is the probability that the total showing is more than four? Will you please explain how to do this problem? Thank you
Sunday, January 22, 2017 by Lily

math
Find each product mentally show the steps you use 9 x 44
Sunday, January 22, 2017 by Morgan

Math
Construct A triangle Abc Such That Ab Is 6cm Abc 90degree
Sunday, January 22, 2017 by Anonymous

math
An investment of 25,000 earns interest at an annual rate of 8.4% compounded continuosly a. find the instantaneous rate of change of the amount in the account after years b. find the instantaneous rate of change of the amount in the account at the time the amount is eqaul to 30...
Sunday, January 22, 2017 by John

math
The perimeter of the isosceles triangle is 28 cm.and side a is equal to (x+2y) while side b is equal to (6y-2x+1) and side c is equal to 4y all in cm.find x and y and hence state the lengths of the side of the triangle
Sunday, January 22, 2017 by dave

Math
1 tenth can be exchanged for ______ hundredths. I think 0 cause 1 hundredth can exchanged in to 10 tenths but 1 tenth can not go in to 100
Sunday, January 22, 2017 by Essence

math
Mr brown gives his class a test. The 10 girls in the class get a mean mark of 70 percent. The 15 boys in the class get a mean mark of 80 percent. Nick says that because the mean of 70 and 80 is 75 then the mean mark for the whole class in the test is 75 percent. Nick is not ...
Sunday, January 22, 2017 by supersupersuper

Math
16x^2+4x^x-1-12=0
Sunday, January 22, 2017 by Ulubi

math
translate this sentence 44is the difference of Rita's age and 12 in an equation .
Sunday, January 22, 2017 by nicole

math
Janie is making fruit bars for the bake sale. She uses 1/4 cup of sugar for each batch she makes. She uses 8 cups of sugar to make all the batches. How many batches of fruit bars does Janie make?
Sunday, January 22, 2017 by jammie

Math
Ava's dog weighs 52 kilograms. Marty's dog weighs 3/4 as much. How much does Marty's dog weigh?
Sunday, January 22, 2017 by BlueSparkles

Math
Students measure the velocity of a car as it races along a track in a clockwise direction. Their measurements are detailed below: Time (sec) | Velocity (in/sec) 0 | 4 1 | 8 2 | 10 3 | 6 4 | 9 5 | 12 6 | 5 7 | 8 8 | 10 9 | 6 10 | 12 Estimate the distance traveled by the car ...
Sunday, January 22, 2017 by Stephen

math
the signal to a speaker causes 5 amps of current .the signal level is increased to 2.5 amps. what is the gain rounded to the nearest decibel ?
Sunday, January 22, 2017 by josefine

Math
As the candle burns,its length decreases at a rate of 2cm every 20minutes. Write down the equation to calculate the length of the candle
Sunday, January 22, 2017 by Edward

Math
At the beginning of soccer practice a water cooler contained 5 gallons of water. At the end of practice the water cooler is only 1/4 full. How many gallons of water are in the cooler at the end of practice? Explain
Sunday, January 22, 2017 by Crystal

math
find the sum of each arithmetic series (a)5+8+11+....to 20 terms
Sunday, January 22, 2017 by machaka

Math
the measure of pair of adjacent sides of a parallelogram are 15cm and 20cm.if the length of one diagonals is 25cm find the area of the parallelogram.
Sunday, January 22, 2017 by Biswa

math
A hotdog costs $1.27 more than twice the price of a sod. Write an expression that shows the price of a hot dog in relation to the price of a soda. Then evaluate where the soda costs $99.
Sunday, January 22, 2017 by Kaleb

Math
If I have 12 yards of ribbon, how many 3/4 strips can I cut from it?
Sunday, January 22, 2017 by Caleb

Chemistry
If 26.4 grams of nitrogen and 30.1 grams of oxygen combine to form nitrogen monoxide, how many grams of nitrogen monoxide must form? I am confused on how to do the math.
Sunday, January 22, 2017 by Anonymous

math
Jared is scheduled to work for mc008-1.jpg of an hour at the school fair. He has already worked mc008-2.jpg of an hour. How much longer does he have to work?
Sunday, January 22, 2017 by jared

Math
The volume of a sphere is increasing at the rate of 5 cm.cm.per second .Find the rate of increase of the radious and surface area when the radious is 6cm.
Sunday, January 22, 2017 by Manu

math
p;2p+2;5p+3 arithmetic sequence determine the next three terms
Sunday, January 22, 2017 by machaka

math
the adjacent sides of parallelogram are 15 cm and 8cm. if the distance between the longer sides is 4 cm ,find the distance between the shorter sides.
Sunday, January 22, 2017 by jahan

Finite math
A theater has a seating capacity of 900 and charges $5 for children, $7 for students, and $9 for adults. At a certain screening with full attendance, there were half as many adults as children and students combined. The receipts totaled $6100. How many children attended the ...
Sunday, January 22, 2017 by IU

Basic math
if tan alpha =1/3 and tan beta =1/7 prove that tan(2 alpha+beta)=45 degrees
Sunday, January 22, 2017 by Anonymous

Math
square root (x-3)-square root(x)=3 can someone please solve this for me
Saturday, January 21, 2017 by Jeffery Reffery

Math
Johnny has 30 marbles. Mark has m marbles, if Johnny has 10 times as many as mark, write an equation that shows how many marbles mark has.
Saturday, January 21, 2017 by Norm

Math
"What is the slope of the line that passes through the pair of points (3/2, -2) and (-3, 7/3)?" A. -27/26 B. -26/27 C. 26/27 *** D. 27/26
Saturday, January 21, 2017 by Joshua

math
write equation of hyperbola with cebter c(4,2) vertex (4,5) equation of one asymptote 4y-3x=-4
Saturday, January 21, 2017 by donald

math
An automobile is traveling at 65 mph. If each tire has a radius of 15 inches, at which rate are the tires spinning in revolutions per minute (rpm)? (63360in=1 mile)
Saturday, January 21, 2017 by Kevin

math
Wholesale cost $1.55 and sold it at $2 and 20 what is the gross profit percentage x 100
Saturday, January 21, 2017 by yolanda

MATH
HOW MANY LITERS OF WATER IN TANK SIZE 7FIT WIDE,6 FIT HIGHT AND 8 FIT LEANTH
Saturday, January 21, 2017 by AASHA

MATH
Think of a number square it,add 2 times to the original number.the result is 80.find the number.
Saturday, January 21, 2017 by Adenike

math
ABC is a right angled triangle . AD is bisector of angle BAC. Angle DAC = 20 degree . X = CD.
Saturday, January 21, 2017 by Shalu

math/physics help plz
Two cars moves around a circle of circumference 20 m with speed of 5m/s and 15m/s, if the positions of these cars are observed every integer seconds, after how many seconds will the cars occupy the same position. Help me show step
Saturday, January 21, 2017 by putman/raj

business math
How could he reduce the risk associated with this loan?
Friday, January 20, 2017 by How could he reduce the risk associated with this loan?

math
What is the product of all valid solutions of the fractional equation x/(45-5x)=1/[5(x-1)] I am guessing the answer is -9 because the two solutions would be -3 and 3 but Im not sure.
Friday, January 20, 2017 by anonymous

Math
What is the value of x if 36x=4 ?
Friday, January 20, 2017 by Sam

Math
36x=4
Friday, January 20, 2017 by Sam

Math
The quadratic function f is negative only on the open interval (−2, 1/4 ) and its graph passes through the point (−1, −5). Find a,b, and c.
Friday, January 20, 2017 by Juan Fernandez

Math (Algebra 2)
Determine the required number of branches in the tree diagram described. A tree diagram showing how many ways a nickel, a regular die, and a quarter could be flipped. I did a tree diagram with the die having six branches, the nickel having two, and the dime having two. So, I ...
Friday, January 20, 2017 by Hannah

math
Richard is 6 years older than Lisa, and in 5 years the sum of their ages will be twice as much as the sum of their ages 4 years ago. Find their present ages.
Friday, January 20, 2017 by Amanda

Math
Determine the required number of branches in the tree diagram described. A tree diagram showing how many ways a nickel, a regular die, and a quarter could be flipped. I did a tree diagram with the die having six branches, the nickel having two, and the dime having two. So, I ...
Friday, January 20, 2017 by Hannah

Math
A sandwich shop gives a free sandwich after 8 sandwiches are bought in the formula t=s/8+s,t represents the total number of sandwiches received if s sandwiches where bought. Last year julie bought 48 sandwiches. How many sandwiches did she receive last year?
Friday, January 20, 2017 by Jenny

math
A rectangular piece of land has a flower garden in the middle surrounded by a walkway 1m wide all around. The flower garden is 12m by 6m. calculate the area of the piece of land that does not have flowers.
Friday, January 20, 2017 by indira

Math (Please help!!)
Given A(-4,-2), B(44), and C(18,-8, answer the following questions Write the equations of the line containing the altitude the passes through B in standard form. Write the equation of the line containing the median that passes through point C in slope-intercept form Write the ...
Friday, January 20, 2017 by PoPo

Math
Difference b/w sine, cosine, and tangent/ how to remember them all?
Friday, January 20, 2017 by clair

math
A rectangular savannah is 30m long by 15m wide. The Ministry of Education wants to fence that savannah using posts and wire. If the posts, costing $18.00 each, are placed 5m apart andt the wire cost $35.00 per metre. Calculate the cost of the posts and wire for fencing that ...
Friday, January 20, 2017 by indira

Math
C) You correctly answered 15 out of 20 problems on your test. What is your percent score? D) At the Liberty Tree Mall 1,300 people took the Coke/Pepsi challenge.55% of those challenged preferred Coke. How many people selected Coke?
Friday, January 20, 2017 by Alwaysonflek

Math
This summer the number of tourists in Salem increased 4.5% from last year's total of 426,000. How many more tourists came to Salem this summer?
Friday, January 20, 2017 by Alwaysonflek

math
I work from 8am to 5pm each day from Monday to saturday. If I get $22 an hour, calculate my yearly salary.
Friday, January 20, 2017 by indira

math
A rectangular savannah is 30m long by 15m wide. The Ministry of Education wants to fence that savannah using posts and wire. If the posts, costing $18.00 each, are placed 5m apart andt the wire cost $35.00 per metre. Calculate the cost of the posts and wire for fencing that ...
Friday, January 20, 2017 by indira

Math
2/3 and 5/6
Friday, January 20, 2017 by Meghan

math
Find the slope intercept form of the line passing through the point (-5,-7) and parallel to the line 4x+2y=-2
Friday, January 20, 2017 by Kandice

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