Tuesday
August 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
4^3 x 4^12 a. 4^36** b. 4^15 c. 4^12 d. 4^9
Friday, May 27, 2016 by please help

math
x^11/x^4 a. x^7** b. X^15 c. x^44 d. x^11/4
Friday, May 27, 2016 by please help

MATH - CALC
Use calculus and algebraic methods to do a complete analysis (i.e., intervals of increase and decrease, intercepts, critical points, points of inflection, and intervals of concavity) for each of the following functions and then sketch a graph of the function. (19 marks) ƒ...
Friday, May 27, 2016 by Ab

math
In parallelogram ABCD,M is the mid point of diagonal BD;if BM bisects angle ABC,then what is the measurement of angle AMB?
Friday, May 27, 2016 by Rubi

math plz help
the Average age of three number is 32 base 5.If the sum of two number is 131 base 4.Find the third number in base 6? Step plz
Friday, May 27, 2016 by troy

math
what is the area of a square inscribed in a circle with apothum 3.5cm
Friday, May 27, 2016 by TS

math
A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers? /////////***vvvv.urgent****//////// ans is rs 1175 how?
Friday, May 27, 2016 by sad

math
A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers? /////////***vvvv.urgent****////////
Friday, May 27, 2016 by sad

math
Krishan bought 2400 bananas at rs 15 a dozen.He sold 1350 of them at rs 4 and the remaining at 5 for rs 8. find his gain or loss percent.
Friday, May 27, 2016 by sad

Math
Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.
Thursday, May 26, 2016 by Please help!!!!!!!

math
If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?
Thursday, May 26, 2016 by Anonymous

math
Find the volume of a cone in which d = 8 inch and h= 12 units?
Thursday, May 26, 2016 by What do I do please help

Math "Need Help Asap"!
11.)A soccer ball costs a store $29.50. what is the spelling price of the ball after a 35% markup? Round to the nearest cent.
Thursday, May 26, 2016 by #FreeGucci

math
Flying against the wind, an airplane travels 5600 km in 8 hours. Flying with the wind, the same plane travels 9900 km in 9 hours.
Thursday, May 26, 2016 by stephanie

math
A painter places an 8.5 ft ladder against a wall. The bottom of the ladder is 4 ft from the base of the wall. How high up the wall does the ladder reach? (hint: round to the nearest tenth)
Thursday, May 26, 2016 by Anonymous

math
The sales of a kids sneakers rose from $3 billion to $3.8 billion. Find the percent of increase to the nearest whole percent?
Thursday, May 26, 2016 by Anonymous

math
A credit card company charges 7% simple interest. What is the total interest on a $1,900 loan at the end of two years?
Thursday, May 26, 2016 by rebecca

Math
Which ordered pair is not a solution of y= -4x -9 A(-9,27) B(3,-21) C(-6,15) D(5,-28) I have no idea how to do this help please
Thursday, May 26, 2016 by Anon

Math
A circle whose area is 4 has a radius of x. Find the area of a circle whose radius is 3x.
Thursday, May 26, 2016 by Tama

math
A line connecting the points (x, 12) and (12, 9) has a slope 1.4. Determine X. a. 9 b. 10 c. 7 d. 8 Steepest slope? a. 0.4 b. undefined c. 0.1 d. -1 over 7 Flattest slope? a. 7 over 9 b. 0 (THIS ONE) c. undefined d. 2 over 3
Thursday, May 26, 2016 by john

Math
Suppose f (0) = 9, f ′(0) = 2, and f ″(0) = -4. If df is used to approximate Δf when Δx = 0.01, which of the following would be true? df < Δf df > Δf df = Δf
Thursday, May 26, 2016 by Jessica

Math (Percentages)
Write the closest benchmark for the percent. 1. 8% 2. 52% 3. 99% 4. 87% 5. 12 percent 6. 45% I don't understand the directions. What does it mean by the closest benchmark for the percent?
Thursday, May 26, 2016 by John Brown

Math ms sue??? (Check my anwsers????)
1) What would the slope be for a road that has a rise of 11m and a run of 100m? a. 22 over 100 b. 11 over 100 (THS ONE) c. 15 over 100 d. 30 over 100 2) What would the slope be for a road that has a rise of 5m and a run of 100m? a. 0.05 (THIS ONE) b. 0.25 c. 0.16 d. 0.02 3) ...
Thursday, May 26, 2016 by john

Math
A cross-section of a sphere, which is 6 units from the center of the sphere, has a circumference of 8π units. Find the surface area of the sphere.
Thursday, May 26, 2016 by Michelle

Math
Find the number of vertices in a polyhedron if it contains 20 triangular faces and 12 pentagonal faces. a. 30 b. 32 c. 60 d. 120 * Also please show me how you got your answer, thanks
Thursday, May 26, 2016 by Michelle

Math Mrs. Sue help
Write the value of the expression. 2^3/2^3 A. 0 B. 1 C. 2 D. 3 My answer is C
Thursday, May 26, 2016 by Kolohe

Math please help pronto
Which of the following expressions is true? A. 2^4 • 2^3 = 2^12 B. 3^3 • 3^6 > 3^8 C. 4^2 • 4^2 > 4^4 D. 5^5 • 5^2 = 5^10
Thursday, May 26, 2016 by Kolohe

Math-Calc
Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (3,1). Please help.
Thursday, May 26, 2016 by Linda

Math-Calc
Suppose that f(x)=6x(3−2x)3. f(x)=6x(3−2x)3. Find an equation for the tangent line to the graph of ff at x=1x=1.
Thursday, May 26, 2016 by Phil

math grade 9
can someone check over my answers and correct them? *over means fraction 1) What would the slope be for a road that has a rise of 11m and a run of 100m? a. 22 over 100 b. 11 over 100 (THS ONE) c. 15 over 100 d. 30 over 100 2) What would the slope be for a road that has a rise ...
Thursday, May 26, 2016 by john

Math topic part 2
18. Complete the table. a 5 6 7 8 9 b 3.8 4.6 5.4 (2 points) Essay: 9.39 and 10.6 i did 5.4 divided by 7 times 8 and i received thees answers 1 /2 points I like that you figured out the rule first. Remember, when finding the rule, you want to determine what you do to x to get ...
Thursday, May 26, 2016 by Newscapepro

Math
Please help me with this ASAP! I need help with this just checking my answers thanks 1. There are 14 blue marbles, 8red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? A. 24:8 B. 34:8 (my answer) C. 8:34 D...
Thursday, May 26, 2016 by Katie

Math topic help
John invest $2,975 at 4% interest compound annually. What will be the balance in the account after? a) 3,272.50 b)3,281.48 c) 5,493.86********* d) 7,735.00 if i am wrong please explain why i am and what i should do, step wise thanks so much and hopfully this helps
Thursday, May 26, 2016 by Newscapepro

Math (Vectors)
Determine the values of a and b in the following vectors for the indicated property. m=<10,a,15> and n=<2,-3,b> and vector m is parallel to vector n. Thanks in advance!
Thursday, May 26, 2016 by Ray

College Algebra/Drug Calculations
Good afternoon. I was given a large packet to practice some math to prepare me for drug calculations. For some reason, I cannot get the answer to this fraction. I've tried a few ways, but maybe I forgot a step or am overlooking some silly mistake... 5/6 x 2/3 The answer is...
Thursday, May 26, 2016 by NursingStudent

Math
If you walk5/6 mile and then jog 4/5 mile, what is the total distance covered? How much farther did you walk than jog?
Thursday, May 26, 2016 by Shawn

Math
The capcity of an elevator is either 15 children or 11 adults.If 12 children are currently in the elevator, how many adults can still get in?
Thursday, May 26, 2016 by Anonymous

plz help math
The formula for the force between two objects is F=GMm/r^2 where M and m are the masses of the two objects, G is a constant, and r is the distance between them. Solve the formula for m .m=Fr^2/GM m=r^2/FGM m=GM/Fr^2 m=FGM/r^2
Thursday, May 26, 2016 by Claire

Calc-Math
The graphs of the function f (given in blue) and g (given in red) are plotted above. Suppose that u(x)=f(x)g(x) and v(x)=f(x)/g(x) Find each of the following:u(x) and v(x)..
Thursday, May 26, 2016 by Jenny

math
Elimination was used to solve a system of equations. One of the intermediate steps led to the equation 9x=27 . Which of the following systems could have led to this equation? 4x+3y=24 −5x−3y=3 7x−2y=15 x+y=6 9x+2y=21 −9x−2y=21 10x−y=15 x+y...
Thursday, May 26, 2016 by Claire

Math
What is 57% of 11? I just need help!
Thursday, May 26, 2016 by Hi

Ratios math
The ratio of the number of cars to the number of SUVs in a parking lot is 4:1. The ratio of the number SUVs to the number of Minivans is 4:5. (A) Find the ratio of the number of minivans in the parking lot. (B) if there are 20 minivans, how many vehicles are there all together...
Thursday, May 26, 2016 by Catania

Math
PQR has vertices p(5, -1), q(0.8), and r(7,5). It is translated right 3 units and up 6 units. Find the coordinates of P', Q', and R'. A) P(8,5), Q(3,14), R(10,11) B) P(2,5), Q(-3,14), R(4,11) C) P(8,-7), Q(3,2), R(10,-1) D) P(2,-7), Q(-3,2), R(4,-1) Please help ...
Thursday, May 26, 2016 by Waffles

Math
Marting throws a baseball upwards at a velocity of 80 ft/sec. The following equation models this situation: H (t) = -16t squared + 80t + 6 , where H(t) is the height of the ball in feet and t is the time in seconds after the ball was released. HOW LONG WILL IT TAKE THE BALL TO...
Thursday, May 26, 2016 by Kiki

Math
In how many ways one can bake a cake using two of five possible sweeteners and one of three possible flours?
Thursday, May 26, 2016 by Tuuy

Math
Marting throws a baseball upwards at a velocity of 80 ft/sec. The following equation models this situation: H (t) = -16t squared + 80t + 6 , where H(t) is the height of the ball in feet and t is the time in seconds after the ball was released. HOW LONG WILL IT TAKE THE BALL TO...
Thursday, May 26, 2016 by Kiki

math
A wholesaler purchases wheat at rs 280 per quintal and sells the same at rs 360 per quintal. if his overhead expenses were rs 10 per quintal, find his profit percent.
Thursday, May 26, 2016 by sad

math
By selling a clock for rs 600 a man loses 25%. what should be the selling price for a profit of 25%.
Thursday, May 26, 2016 by jeo

Math
If a wheel has a circumference of 1.5 metres how far does it travel in 26 revolutions?
Thursday, May 26, 2016 by Candy

math
Krishan bought 2400 bananas at rs 15 a dozen. he sold 1350 of them at rs 4 and the remaining at 5 for rs 8. fins his gain or loss percent. /*( requested from my side to reply soon and you are doing good job thank you forever)*/
Thursday, May 26, 2016 by jeo

math
A man sold two clocks for rs 240 each, gaining 20% on one and losing 20% on the other find his gain or loss percent?plz reply soon
Thursday, May 26, 2016 by jeo

math
A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers? /////////***vvvv.urgent****////////
Thursday, May 26, 2016 by jeo

math
A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers?
Thursday, May 26, 2016 by jeo

Math
In an used book store, there are some different mystery novels on a shelf. Suppose there are 64 different ways to buy these novels, including not buying them. How many mystery novels are there on the shelf?
Thursday, May 26, 2016 by Cindy

Math
The right triangle has an angle of 53 degrees. The opposite side is 6.4cm long. What is the adjacent ?
Thursday, May 26, 2016 by Mona

math
If i put 75,000 in a trust fund how much would i have in 8 years
Thursday, May 26, 2016 by marsha

math
a ________ represnts 25% of the data
Wednesday, May 25, 2016 by hannah

Math
A committee of 5 people is to be formed from a group of 7 women and 4 men. How many possible committees can be formed if: the committee then must chose a president and a vice president, how many ways could these two positions be chosen? why is it permutations not combination? ...
Wednesday, May 25, 2016 by Cindy

Math
On a centimeter dot grid, draw all the possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each rectangle.
Wednesday, May 25, 2016 by Martha

Math
The heights of Japanese maple trees are normally distributed with a mean of 6 meters and a standard deviation of 0.2 meter. What percent of Japanese maple trees are between 5.5 meters and 6.7 meters tall?
Wednesday, May 25, 2016 by Joe

Math
Leo wants to paint a mural that covers a wall with an area of 1734 swuate feet. The height of the eall is 2/3 of its length.What is the length and the height of the wall?
Wednesday, May 25, 2016 by Mecca

Math
The pressure P of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that A particular amount of a gas is initially at a pressure of 104 Pa at a volume of 108 L. If the volume is expanded to 432 L , what will the new pressure be ?
Wednesday, May 25, 2016 by Bella

math
An account earns annual simple interest. Find the balance of the account. $2000 at 9% for 6 months = $
Wednesday, May 25, 2016 by Caroline

math
Megan had a gross pay last week of $980.00. If her total deductions were $161.35, what was her net pay?
Wednesday, May 25, 2016 by rachelle

math
what is 875 multiplied by 3/2?
Wednesday, May 25, 2016 by Jessie

Math
You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is 5 ft by 12 ft rectangle in ...
Wednesday, May 25, 2016 by Matt

Math
Create a container to store extra shirts and hats. Some shirts and hats get sold and no one comes to pick them up. They must be stored for next year. What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume), how do you ...
Wednesday, May 25, 2016 by Matt

Math
You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is a 5ft by 12ft rectangle in ...
Wednesday, May 25, 2016 by Matt

math
Angle A measures (x + 6) °. Angle B is complementary to angle A and measures (3x - 8) °. find the value of x and the measures of each angle
Wednesday, May 25, 2016 by illia

math
The wheel in the figure has a diameter of 1 yard. The wheel is rolled forward as shown until the point marked A has undergone exactly one revolution around the wheel's axis. What number is represented by the distance in yards that the wheel has traveled along the ground? ...
Wednesday, May 25, 2016 by Anonymous

math
You roll a number cube twice. Find the probability of the event. Rolling a number less than 2 and then a number more than 6 Rolling an odd number then an even number Rolling a 7 then a 5
Wednesday, May 25, 2016 by bella

Math
What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume)
Wednesday, May 25, 2016 by Matt

math
If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?
Wednesday, May 25, 2016 by rebecca

math
In a box filled with 60 colored chips, 1/6 are blue, 1/2 are white, 1/4 are yellow, and 1/2 are purple. Find the probability of picking at random a purple chip or a white chip?
Wednesday, May 25, 2016 by Anonymous

math
A scale drawing of an American flag is 14 inches long and 6 inches tall. The actual flag is 3 feet tall. a. True or False, the scale of the drawing is 2 in. : 1 ft. is it false? b. What is the perimeter of the american flag in the scale drawing? c. What is the area of the ...
Wednesday, May 25, 2016 by valentina

Math
Austin is building a rabbit pen with 25 feet of fence. What are the dimensions of the rectangle hr should build to have the greatest possible area
Wednesday, May 25, 2016 by Sn

math
Joan is going on a bike trip. She plans to ride 9 miles in 45 minutes. At what rate mi/min must she travel?
Wednesday, May 25, 2016 by help

MATH
Find the largest possible rectangular area you can enclose assuming you have 128 meters of fencing.
Wednesday, May 25, 2016 by Anonymous

math
Marie is using a rectangular box to ship a framed painting to a friend. The box is 20 inches wide, 24 inches long and 6 inches deep. What is the surface area of the box?
Wednesday, May 25, 2016 by carl

math
Growing up you lived in a country village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the present population?
Wednesday, May 25, 2016 by Anonymous

math
an airplane flies at 150 mph and heads N 30 degrees east. A 40 mph wind blows it in the direction S 30 degrees E. What is the planes resultant velocity
Wednesday, May 25, 2016 by barry

Math
To get to school, you need to walk 9 blocks south and then 12 blocks east. What's the diagonal distance from the start.
Wednesday, May 25, 2016 by Anonymous

math
A triangle has side lengths of 6 inches, 10 inches, 8 inches. How many triangles are possible?
Wednesday, May 25, 2016 by Finn

Math
1.what payment methods borrow money from a financial institution 2.what payment methods does not borrow money from a financial institution
Wednesday, May 25, 2016 by Siarp

Math
Shoes are on sale for 15% off with an addition of another sale adding 25%. The shoes start at $80.00.
Wednesday, May 25, 2016 by Anonymous

Math
148 percent out of 250%
Wednesday, May 25, 2016 by Anonymous

math
A picture is copied onto a sheet of paper 8 inches by 10 inches. A 2-inch margin is left all around the picture. Find the length, width, and area of the picture. Length = 10 inches Width = 8 inches Area = 80 inches squared am i right?
Wednesday, May 25, 2016 by John

math
7x + 5 8x + 9 find the value of x so that both the sum of the equations equal 180 when added together.
Wednesday, May 25, 2016 by sierra

math
you deposit $200 in an account earning 3.5% simple interest. How long will it take for the balance of the account to $221?
Wednesday, May 25, 2016 by Danielle

Math
If a pulse is 20 beats in 15 second what is the pulse for 1 min.
Wednesday, May 25, 2016 by Jj

math
An account earns annual simple interest. Find the balance of the account. $250 at 4% for 1 year = $260 $2000 at 9% for 6 months = $?
Wednesday, May 25, 2016 by Caroline

Math
5+x=59 What is x
Wednesday, May 25, 2016 by Anonymous

math
1. Original price: $92 Discount: 15% What is the sale price? 2. Original price: $110 Sale price: $91.30 What is the discount? 3. Discount: 33% Sale price: $134.00 What is the original price? 4. Cost to store: $32 Markup: 16% What is the selling price?
Wednesday, May 25, 2016 by jamie

math
Use the percent of change to find the new amount. $104 increased by 22% 120 brushes decreased by 25%
Wednesday, May 25, 2016 by Darcy

Please help me with this math
Solve for x. and show your work. -3x+5 less than or equal to -22 Note:where it says "less than or equal to" its the less than or equal to sign. Please help me!
Wednesday, May 25, 2016 by Miracle

Math- Prob Stat
In a Gallop Poll, 35% 18-23 year old's stated that they believe in ghosts. Find the probability that out of 16 students aged 18-23: A. Exactly 5 said they believed in ghosts. B. Exactly 5 said they do not believe in ghosts. C.Less than 11 said they do not believe in ghosts...
Wednesday, May 25, 2016 by Kate

Math(PleaseHelp!)
Consider the following conjecture: the sum of two even numbers will be even. A.) give three examples supporting the conjecture. (I gave 2+2=4 4+4=8 10+10=20) B.) Prove the conjecture( this is the part I need help with)
Wednesday, May 25, 2016 by Heaven

math
20% of 200 is what number? 5% of what number is 8.5? What percent of 400 is 60?
Wednesday, May 25, 2016 by ana

Math
Which is equivalent to this expression -4(-3x)+5(-7) A. -12x + 35 B. 12x - 35 C. -7x + 12 D. 7x - 12 Which is equivalent to the inequality shown below? X/2 </= -15 A. X >/= 7.5 B X </= 7.5 C X >/= -30 D X </= -30
Wednesday, May 25, 2016 by Anon

Math
P is a point 2m above the ground and 15m away from a tower. The angle of elevation of the tower from P is 65 degrees. Calculate the height of the tower.
Wednesday, May 25, 2016 by Angles of elevation

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