Saturday
February 25, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Math
1. Identify the decimal And simplified fractional form of 60%. A. 0.6 and 4/5 B. (0.6 and 3/5) C. 0.06 and 3/5 D. 0.06 and 6/10 2.A baseball team wins 45% of its games. What fraction of games does it win? A. 8/20 B. 9/25 C. (9/20) D. 8/25 3. According to a survey taken at an ...
Monday, February 13, 2017 by Help I need somebody not just anybody

math
the volume of a right rectangular prism is 36 cubic units. list at least 3 possible lengths widths and heights that this shape could have
Monday, February 13, 2017 by dylan

Math
Chad buys peanuts in 2-pound bags. He repackages the into bags the hold 5/6 pound of peanuts. How many 2-pound bags of peanuts should chad buy so that he can fill the 5/6-pound bags without having any peanuts left over?
Monday, February 13, 2017 by Emma

Math
How many three-digit counting numbers are exactly divisible by 6 but not also exactly divisible by 9?
Monday, February 13, 2017 by Bobby

math
an ave-sized dog weighs about
Monday, February 13, 2017 by komi

math
A skydiver jumps from an airplane at an altitude of 2,500 ft. He falls under the force of gravity until he opens his parachute at an altitude of 1,000 ft. Approximately how long does the jumper fall before he opens his chute? h(t) = -16t2 + vt + h0 A. 2.4 s B. 9.7 s C. 12.5 s ...
Monday, February 13, 2017 by Anonymous

math
3(x+4)-5= n is 9
Monday, February 13, 2017 by olga

Math
if the union member is able to invest their $12,000 is a fund that pays 1.8% compounded continuously, in how many years will the future values be worth $20,000?
Monday, February 13, 2017 by DJ

099 math
2(2x-7)-16=3(-x-7)-11
Monday, February 13, 2017 by Tim

Math
Joe was driving at a rate of 60 mph. As he approached a curve in the road, his speed was 51 mph. What was the % change in Joe's speed?
Monday, February 13, 2017 by Shirley

099 math
-2(-x-5)+1=5
Monday, February 13, 2017 by Tim

Math
Two fire wardens are stationed at locations A and B, which are 50 km apart. Each warden sights the forest fire at C. Given that angle CAB is 52 degrees and CBA is 43.0, find the distance from C to the nearer warden, to the nearest 0.1 km
Monday, February 13, 2017 by Lisa

math
write a ratio and percent for the shaded area. total of 20 squares 6 shaded squares A. 6/25 30% B. 3/50 6% C.6/25 24% D.3/10 30%
Monday, February 13, 2017 by kenzie

math
a gumball machine contains orange yellow and purple gumballs the probability of getting an orange gumball is 3/4 the probability of getting a yellow gumball is 1/6 if there are 36 gumballs in the machine how many are purple?
Monday, February 13, 2017 by sky

Math
Can someone please help me understand box-and-whisker plots? I get really confused on what each thing is and how to plot it. Thanks.
Monday, February 13, 2017 by Anonymous

Math Ms. Sue please help!
How do you know if a radical expression is in simplest form?
Monday, February 13, 2017 by Olivia N J

math
The table shows the results of drawing one marble from a bag of colored marbles. Each marble was replaced after the outcome was recorded. If there are a total of 50 marbles in the bag, about how many of the marbles are black? A.15 B.6 C.12 D.9
Monday, February 13, 2017 by joelsttn

Math
Mr. Letterman has an unlimited amount of 5-cent stamps and 7-cent stamps. What is the largest amount of postage that he cannot make?
Monday, February 13, 2017 by Shanee

math
Iam not able to get this one.sides of a rectangular plot of land are measured correct to nearest metre.measurement s given as 20m by 3m.so what is upper bound of the plot length?,the least possible perimeter of the plot?
Monday, February 13, 2017 by Nthabeleng

Math
What is the area of a rhombus with: Side=8 cm Acute angle between one pair of sides=30 degrees Please don't use trigonometry as I'm in Class 7. Thanks in advance.
Monday, February 13, 2017 by Aastha

Math 115
Consider the amount of gas in your car during a road trip. You start out with 45 gallons and drive for 4 hours, leaving you with 27 gallons in the tank. You stop for lunch for 2 hours and then drive for 2 more hours, leaving you with 18 gallons. t= time C (t)=_____ if 0 </ ...
Monday, February 13, 2017 by dayna

Math 115
Create a piecewise function of the following scenario where D(t) is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 6 miles per hour for 30 minutes. You rest for 10 minutes, and then you continue ...
Monday, February 13, 2017 by Janiel

math
(a) Make a table of values rounded to two decimal places for the function f(x) = ex for x = 4, 4.5, 5, 5.5, and 6. Then use the table to answer parts (b) and (c). (b) Find the average rate of change of f(x) between x = 4 and x = 6. (Round your answer to two decimal places.)
Monday, February 13, 2017 by katy

math
What would be a person target heart rate be if they are 14 years old? I know it starts like 220-14=206 but then what... Please help
Monday, February 13, 2017 by kacy

math
R\left(t\right)=4t^2-3tR(t)=4t2−3t represents the rate of an object over the interval [5, 30]. What is the average rate of the object over the time interval?
Monday, February 13, 2017 by caledh

math
t (seconds) 1 3 4 7 v(t) (meters/second) 20 32 42 52 The table shows the velocity (in meters per second) for an object over the interval [1.7]. Estimate \int^7_1v\left(t\right)dt∫17v(t​)dt using 3 subintervals and the Left Hand Riemann Sum.
Monday, February 13, 2017 by caledh

math
Estimate the value of \int^7_4\left(1+x^2\right)\sin x\:dx, make sure that your answer has 3 decimal places.
Monday, February 13, 2017 by caledh

math
v\left(t\right)=5-tv(t)=5−t represents the velocity of an object over the interval [0, 7] in meters per second. What is the total distance traveled of the object over the time interval?
Monday, February 13, 2017 by caledh

math
v\left(t\right)=5-tv(t)=5−t represents the velocity of an object over the interval [0, 7] in meters per second. What is the displacement of the object over the time interval?
Monday, February 13, 2017 by caledh

math
The diameter and the slant height of a cone are both 24 cm. Find the radius of the largest sphere that can be placed inside the cone. (The sphere is therefore tangent to the base of the cone.) The sphere occupies a certain percentage of the cone’s volume. First estimate this...
Monday, February 13, 2017 by Riley

math
There is a unique parabola that goes through the points P = ( 1, 1), Q = (1, 1), and R=(5,6) that can be described by y=ax^2 +bx+c. Find coefficients a, b, and c.
Monday, February 13, 2017 by Grace

Math
From the top of a Cliff 90metre high, the angle of depression of a boat on the sea is 26.2 degree.calculate how far the boat is from the from the foot of the cliff and from the top of the cliff
Sunday, February 12, 2017 by Anonymous

college math
two cars are approaching an intersection one is 3 miles south of the intersection and is moving at a constant speed of 20 miles per hour. at the same time the other car is 4 miles east of the intersection and is moving at the constant speed of 30 miles per hour. a)express the ...
Sunday, February 12, 2017 by Jennifer

Math; Calculus
You toss a rock up vertically at an initial speed of 55 feet per second and release it at an initial height of 6 feet. The rock will remain in the air for_______ seconds. It will reach a maximum height of_______ feet after ________ seconds.
Sunday, February 12, 2017 by Maddie

math
a store is going to mark up the cost that was purchased for $36.28 by 30%. What will the coat cost the costumer?
Sunday, February 12, 2017 by yatta

math
Amber has a piece of licorie that is 10 feet long. She cuts it into three pieces for her friends. The 1st piece is 4.25 feet longer than the second piece. The 3rd piece is 2.24 feet longer than the second. How long is the 3rd piece?
Sunday, February 12, 2017 by teresa

math
four times a number minus 8 is equal to two times the number plus 12
Sunday, February 12, 2017 by Anonymous

math
Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?
Sunday, February 12, 2017 by teresa

Math
Prove 3(x+1)(x+7)-(2x+5)² is never positive So, 3(x+1)(x+7)-(2x+5)(2x+5) =3(x²+8x+7)-(4x²+20x+25) =3x²+24x+21-4x²-20x-25 =-x²+4x-4
Sunday, February 12, 2017 by Anonymous

math algebra
Sum the following term of progression to the last term, logx, logx^2 logx^3.... logx^120
Sunday, February 12, 2017 by Joseph

math
8 kilometer is how many meters
Sunday, February 12, 2017 by Anonymous

college math
a rectangular dog pen is to be constructed so that one side is against an existing stone wall and the other three sides are to be fenced. of 500 feet of fence is to be used, determine the dimensions and area of the pen with maximum area. I have no idea how to solve this problem.
Sunday, February 12, 2017 by Jennifer

math
(19) Does the following system of equations have a solution? If it does, find one; if not, explain why not. √ x + √ y = 1 r 4x 9 − r 25y 64 = 1
Sunday, February 12, 2017 by sukh

math
Alex invested money in two accounts, and after one year, one of them had earned 13% interest and the other 9%. He had $700 more invested in the lower interest account and earned a total of 239 in interest after one year. How much did Alex invest in each account? answer is 800 ...
Sunday, February 12, 2017 by sukh

math
Ann has $300 in a savings account that earns 1.75% simple annual interest. in how many years will she have$21 in Interest?
Sunday, February 12, 2017 by Anonymous

math
find the maximum and/or minimum values of the function f(x) for the indicated value of x f(x)=x^2 -4x+3 2<_ x _>5
Sunday, February 12, 2017 by Michelle

Math
The sum of two numbers is 9.twice their product gives 40.find the numbers. One number exceeds another by 4.the sum of their square is 208. What are the numbers. The area of a rectangular field is 108square .the perimeter is 42. Find the length.
Sunday, February 12, 2017 by Taylor

math
every diameter of a chord is a chord. A TRUE B FALSE
Sunday, February 12, 2017 by kakashi hatake

Math
96 calories in 3/4 cup serving how many calories are in 2 cups of the cereal?
Sunday, February 12, 2017 by Dianni

Math
If you decrease 300 by 5%, what is the result? A. 15 B. 150 C. 285 D. 315
Sunday, February 12, 2017 by Neil

math
which of the following best describes triangle ABC based on its sides? A) scalene B) right C) isosceles D) equalateral
Sunday, February 12, 2017 by kakashi hatake

math
Using a ruler and a pair of compasses only, construct triangle ABC in which angle BAC is 45 degrees, side AB is 7cm and side AC is 9cm. Locate P, inside the triangle ABC, which is 5cm from A and equidistant from B and C
Sunday, February 12, 2017 by Valentine

Math
There are eight slices of pizza 37 1/2% have a olives how many slices have olives
Sunday, February 12, 2017 by Leen

math
(78+99)+(100-98) there are no choices please help me with this
Sunday, February 12, 2017 by kakashi hatake please help me!!!

Math
A supermarket sells apples in bags of 8, how many apples are there in 32 bags?
Sunday, February 12, 2017 by Lol

math
a grocer bought 25 dozens of eggs for Rs 525. out of these, 18 eggs were found to be rotten. he sold the remaining eggs at the rate of Rs 26 per dozen. find his gain or loss percent.
Sunday, February 12, 2017 by mayank

math
Find area of triangle. Sides=12cm,9.2cm and 7.2cm
Sunday, February 12, 2017 by sayan

math
find the principle that will yield a compound interest of rs-1632 in 2 years at 4% rate of interest per annum
Sunday, February 12, 2017 by hdh

math
(13) Dan invested a total of 12, 000. He invested some of that money at 3% and some at 5%. After one year, he earned a total of 460 in interest. How much did Dan invest at each rate of interest?
Sunday, February 12, 2017 by sukh

math
(16) Tom took a 1900-mile trip by bus and plane. The bus averaged 60 miles per hour and the plane averaged 700 miles per hour. If the trip took 5 hours, how many miles did Tom travel by bus? [150 miles]math
Sunday, February 12, 2017 by sukh

grade7 math
36unit squares are joined to form a rectangle with lest perimeter what is the perimeter of rectangle?
Sunday, February 12, 2017 by deepti

math
Alex invested money in two accounts, and after one year, one of them had earned 13% interest and the other 9%. He had $700 more invested in the lower interest account and earned a total of 239 in interest after one year. How much did Alex invest in each account?
Saturday, February 11, 2017 by sukh

Math
The amount of bacteria after and then it in the initial amount of bacteria is Q in the amount of the bacteria triples every 15 seconds hence the answer should contain Q as well as n
Saturday, February 11, 2017 by Tonya

Math
A rectangular sand box has a length of 5 1/3 feet and a width of 3 3/4 feet why is the answer reasonable
Saturday, February 11, 2017 by Ciara lopez

math
explain and demonstrate how to change 4/20 into a percent there are two ways we can work this out 4/20 times by 5 overall to get it out of 100, becomes 20/100. or you can do 4/20 then times that by 10 or 20 x what = 100? 5, right? so multiply 4 x 5 and there's your percentage...
Saturday, February 11, 2017 by lreyesorg

Math
Combine like terms to simplify the expression. 1/_4+6+9y= Answer: 5y+6 2/ 20a+7+3= Answer: 20+10 3/_5k+9_2+9k= Answer: 4k+7 4/ 17+2.9h+3= Answer: 30+14 Simplify the expression. 5/ _4(3+d)+7d_d= Answer: _16+6d 6/ 8+5(j_5)+3j_1= Answer: 32+8j_1 7/ 9(b_3)+4(b_5)= Answer: 5b+22 8...
Saturday, February 11, 2017 by Nnnnn

math
In a class, every student knows French or German (or both). 15 students know French, and 17 students know German What is the smallest possible number of students in that class?
Saturday, February 11, 2017 by annie

math
You and some friends rent a limo for a formal reception the bill for the evening is $53.00. A tax of 6% will be added to your total. And you want to tip the waiter you decide to leave him a tip that is 20% of the bill before tax is added, how much will the waiter be paid? my ...
Saturday, February 11, 2017 by Cactus

math
A company has sales of 160, 000 which represents a 6.5% increase over the previous year. What were the sales the previous year?
Saturday, February 11, 2017 by sukh

math
The graphs of ​ f(x)=−5/3x+9 ​ and ​ g(x)=2^x−1​ intersect at (3, 4) . What is the solution of −5/3x+9=2^x−1 ? Enter your answer in the box.
Saturday, February 11, 2017 by Jay

math
A rope goes from one building to another. The distance between the buildings is 10m, and the rope is tied at each building at a point 8m and 4m from the ground. Find the length of the rope.
Saturday, February 11, 2017 by maria

Math
Find the surface area of the cylinder. Use 3.14 for pi. The cylinder's radius is 2 and the height is 15. A)100.4 cm squared B)97.43 cm squared C)36.29 cm squared*** D)33.14 cm squared
Saturday, February 11, 2017 by potato

math
An old lady has 125 cats. Seven of them are old, 9 of them are her favorite, 5 of them are both (old and favorite). How many of them are neither old nor favorite?
Saturday, February 11, 2017 by annie

math
What is the solution of the system of equations? y=5/6x+1 −x+y=2 Enter your answer in the boxes.
Saturday, February 11, 2017 by Jay

math
What is the solution of the system of equations? 13x−6y=2 3x−4y=−10 Enter your answer in the boxes.
Saturday, February 11, 2017 by Jay

MATH TEST(tipps)
i have a math test in a week away plz give me some tips so i can past it (first time here)
Saturday, February 11, 2017 by tomboy(girl)

math
A carton of mass 35kg is at rest on a rough plane inclined at an angle of 40 degrees to the horizontal. Calculate the magnitude of the friction force in newtons.
Saturday, February 11, 2017 by s17

math
A bucket hangs from two wires. The left-hand wire makes an angle of 60 with the vertical, and the magnitude of the tension in the wire is 326N. The right-hand wire makes an angle of 45 with the vertical. Calculate the mass of the bucket, in kilograms, to two significant ...
Saturday, February 11, 2017 by s17

Math
Put these fractions in order smallest to largest 7/10 11/20 4/5
Saturday, February 11, 2017 by Amee

math
the lenghts of the diagonals of a rhombus are 16cm and 12cm respectively.find the lenght of each of the sides
Saturday, February 11, 2017 by Aditya singh

Math
I have fewer than 30 marbled I can put them equally into 2 groups 6 groups or 9 groups how many marbles do I have
Saturday, February 11, 2017 by Syahrul

math
Nikita sold two wheeler through agent she got Rs 17150 for it after paying agrnt if commission was paid at 2% find selling price
Saturday, February 11, 2017 by anjali

slope intercept, math
The line passes through points (4,7) and (-5,-5), where the line intersects the y axis, what is the slope?
Saturday, February 11, 2017 by Quarie

math
Find a fraction which reduces to 2/3 when 3 is adding to both its numerator and denominator and reduces to 3/5 when 1 is added to both its numreator and denominator
Saturday, February 11, 2017 by naimish dixit

math
The line passes through points (4,7) and (-5,-5), where the line intersects the y axis, what is the slope?
Saturday, February 11, 2017 by Quarie

math
On Wednesday you drove from home to work at 65 mph and got there in 28 minutes. On Thursday you drove at 78 mph. Round answers to nearest 10th. Use: R1T1=R2T2 (double click this to see clearer) Round to the nearest 10th and Use Unit Abbreviations for Units. How long does the ...
Saturday, February 11, 2017 by yatta

math
George need to move $2 million out of the country. The dimensions of a US bill is 2.61 inches by 6.14 inches by 0.0043 inches. How many cubic feet will this be in $5 bills? Round answer to the nearest 10th.
Saturday, February 11, 2017 by briget

Math
A certain medicine requires 10 mg per 40 kg of weight. How much medicine is required for a patient that weighs 203 pounds? Round answer to the nearest 10th. Use Unit Abbreviations for Units
Saturday, February 11, 2017 by chirssy

4th grade math
Karen jogs 1/2 mile. Selma jogs 1/4 mile more than Karen. Lena jogs 3/4 mile more than Selma. How far does Lena jog?
Saturday, February 11, 2017 by ita

Math
Natasha went to Japan for a business trip. Natasha converted $1100US into 110682 Yen at the local bank. Natasha spent 87438.78 Yen on this trip and returned with the remaining Yen to the US. How much will the remaining Yen convert to in US Dollars when Natasha returns from ...
Friday, February 10, 2017 by april

Math
A store discounted everything by 56%. The sales price of a dress is $202.92. What was the original cost of the item?
Friday, February 10, 2017 by Anyavia

Math
A store marked up the cost of a dress from $44.39 to $91.00. What is the percent markup for this a dress? Round answer to nearest 10th.
Friday, February 10, 2017 by Alexis

math
If x/y=2 and x*y*a=0, which has to be zero? assuming each variable is a different value. I said a has to be zero but I don't know if this is true or how to write the question.
Friday, February 10, 2017 by Quarie

4th grade math
A grocery store has 5 pounds of granola. One customer buys 2/3 pound of granola and another buys 5/6 pound. After these purchases, how much granola is left?
Friday, February 10, 2017 by ita

math
An open box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning up the sides (see figure). The volume of the finished box is to be 576 cubic centimeters. Find the size of the original piece of material.
Friday, February 10, 2017 by Anonymous

Math
How many Calories are in all sodas and add them up then multiple the answer try
Friday, February 10, 2017 by Torrance

Math
Suppose 3 student change their vote from math to science describe how the frequency gable would change
Friday, February 10, 2017 by Tinoi

math check answers
For questions 3 and 4, you will be answering by filling in the blank. Please be aware that your answer must include any commas or decimals in their proper places in order to be correct. The dollar signs have been provided. For example, if the answer is $1,860.78, then you will...
Friday, February 10, 2017 by megan

4 grade math
Caroline places five poles A, B, C, D, and E in order along a straight line.The distance between poles A and D is 1 yard. The distance between poles B and C is the same as the distance between poles A and B. Poles A and B are 1/5 yard apart. The distance between D and E is 7/...
Friday, February 10, 2017 by jjj

math
One side of triangle is 5 more than 2 times the shortest side. The third side is 23 feet more than the shortest side. The perimeter is 72. Find all three sides.
Friday, February 10, 2017 by j

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