Monday
June 27, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Katherine earned 84,92,84,74, and 70 on her first five test. What is the minimum grade Katherine needs to earn on the next test to have a mean of 84 ?
Monday, May 9, 2016 by Denise

math
If my teacher grades a test of 54 questions and I get 18 wrong what will be my grade?
Monday, May 9, 2016 by adeline

math
jesse drive 6 3/8 miles in a golf cart during a round of golf. Payton drives 7 3/4 miles . how much father dose payton drives
Monday, May 9, 2016 by sckid30

Math
There are 8 slices of pizza. Joey ate 2 slices. Chris ate 3. What is the fraction of the pizza they ate.
Monday, May 9, 2016 by Bella

Math Help please!
11. A basket contains the following pieces of fruit: three apples to oranges two pairs two bananas and five peaches. Jack pics of fruit at random and does not replace it then, Bethany pics of fruit at random. what is the probability that Jack gets a peach and Bethany gets an ...
Monday, May 9, 2016 by Jack

Math
Which quadratic rule represents the data in the table? X : -1 | 0 | 1 | 2 | 3 Y: 4 | 5 | 4 | 1 | -4 Y = -2x^2 + 5 Y = -x^2 + 5 Y = -x^2 - 5 Y = x^2 + 5 My answer is Y = -x^2 - 5
Monday, May 9, 2016 by Cam

Math
There are 8 slices of pizza. Joey aye 2 slices and cChris ate 3 slices what is the fraction of the pizza they ate together
Monday, May 9, 2016 by Jadea

help my son's math
Dan baked enough peach pies for each of his 20 friends to have 1/8 of a pie. How many pies did he bake.
Monday, May 9, 2016 by Kevin

math
A jar of gumballs contains 10 blue gumballs, 20 green gumballs, 15 yellow gumballs, and 25 pink gumballs. You reach into the jar and randomly select a gumball, then select another while replacing the first gumball back. What is the probability that you draw a green gumball as ...
Monday, May 9, 2016 by Please check my answer

math
A jar of gumballs contains 10 blue gumballs, 20 green gumballs, 15 yellow gumballs, and 25 pink gumballs. You reach into the jar and randomly select a gumball, then select another while replacing the first gumball back. What is the probability that you draw a green gumball as ...
Monday, May 9, 2016 by Anonymous

Math
a sports reportor said that 2 out of every 3 people at a home town base ball game named baseball vs their favorite sport the reporter claimed that baseball was the mostpopular sport in town which of th following explains why the reporters might not be true
Monday, May 9, 2016 by kaden

Math
In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression
Monday, May 9, 2016 by Math

Math
The Dig It Project is designing two gardens that have the same perimeter. One garden is a trapezoid whose nonparallel sides are equal. The other is a quadrilateral. Two possible designs are shown at the right. a. Based on these designs, is there more than one value for x? ...
Monday, May 9, 2016 by Meow

math
Hi, I need help:<[], 2/3 x 6 and 3/5 = 2/3(6 + 3/5)= 2/3 x 6 + 2/3 x 3/5 = 1 + 6/16, Please change that to a mixed number I'm going crazy AHHHHHHHHHH.............:()
Monday, May 9, 2016 by Pier

MATH
A TREE AND A FLAGPOLE ARE IN THE SAME GROUND.A BIRD ON TOP OF THE TREE OBSERVERS THE TOP AND BOTTOM OF THE FLAGPOLE BELOW IT AT ANGLES OF 46 AND 60 DEGREES RESPECTIVELY. IF THE TREE IS 10.65m HIGH WHAT IS THE HEIGHT OF THE FLAGPOLE
Monday, May 9, 2016 by SILVER

Math statistics
What is the probability of randomly selecting a female from the 25 and 35 years old
Monday, May 9, 2016 by Anonymous

Math
5p-7-2p=-3
Monday, May 9, 2016 by Tiffany

math
zack is planning to make a flower garden he has 24 one yard sections of fence that he plans to place around garden he wants the garden to be aas long as possible what longest length he can use for the garden how wide will the garden be is this area prerimeter or side length
Monday, May 9, 2016 by aron

math
Which statement concerning the equation x^2+2=x is true? Its discriminant is 0 , so it has no solution. Its discriminant is 0 , so it has one real solution. Its discriminant is -7, so it has two complex solutions. Its discriminant is -7, so its solutions are negative.
Monday, May 9, 2016 by Claire

Math- exponent laws
Use a calculator to determine the value to 3 decimal places. 7^0.4
Monday, May 9, 2016 by Anonymous

math
A flying disc has a radius of 6 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi. A) 113 square inches B)452 square inches C)38 square inches D) 28 square inches
Monday, May 9, 2016 by Claire

Math
Determine to 3 decimal places. (Please explain as you go, thank you) 7^0.4
Monday, May 9, 2016 by Kennedy

math
Prove that sinA+sinB+sinC=-4cosA/2cosB/2cosC/2
Monday, May 9, 2016 by jacent

math,science
A car traveling at 22 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is its acceleration?
Monday, May 9, 2016 by Ally

Math
Determine to 3 decimal places. 7^0.4 (please explain as you go, thank you)
Monday, May 9, 2016 by Kennedy

math
this graph below shows the number of new cleants brought into sunnydays insurance company
Monday, May 9, 2016 by denishamartin

Math
Yesterday kate and her cousin robert went out for a movie there they spent $50 in total robert spent $10 more than kate how much did kate spend?
Monday, May 9, 2016 by Emily

Math
Can you guys give me a example not a link please As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data
Monday, May 9, 2016 by Sid.V

math
give:m is the midpoint of Ab,P is the midpoint of BC and N is the midpoint of AC :prove that AMPN is paralleiogram
Monday, May 9, 2016 by alson

math
Raina is saving money to buy a game. So far she has saved $16 , which is one-fourth of the total cost of the game. How much does the game cost?
Monday, May 9, 2016 by anna

Math (Trig) lowering powers
If cos^4(3x)-sin^4(3x)=cos(g(x)) then g(x)=? Use a^4-b^4=(a^2-b^2)(a^2+b^2)! thanks in advance for any help!
Monday, May 9, 2016 by Giovanni

math
5(x-1)+-3x+6=9
Monday, May 9, 2016 by larren

Math Help!!
The time between a lighting flash and the following thunderclap may be used to estimate, in kilometers, how far away the storm is. How far away is the storm if 12 seconds elapse between the lighting and the thunderclap? a) 4 kilometers b) 5 kilometers c) 15 kilometers d) 36 ...
Monday, May 9, 2016 by Val

math
-6t+3(t-2)+5t=8
Monday, May 9, 2016 by nicole

math
A simple random sample is drawn from a normally distributed population. The value of which of the following will not be known for certain but can be inferred?
Monday, May 9, 2016 by ashley

math
Two events are independent if the first event has no effect on the second event. Two events are dependent if the result of one event has an effect on the other event. One of the most common examples of these are situations involving picking 2 items from a group of items. If ...
Monday, May 9, 2016 by Anonymous

Math
A 7 sided polygon has 6 interior angles of 125 degrees. Find the remaining interior angle
Monday, May 9, 2016 by Sj

math
May anyone give me an example of a independent and an dependent probability word problem about food?
Monday, May 9, 2016 by Anonymous

Math
What repeating decimal is equal to 4? I think it is 3.999 Am I Wrong? Help Please
Monday, May 9, 2016 by Gisselle

math
A number cube is rolled and a marble is selected from a bag. There are 2 reds, 2 yellows, 2 greens, 1 blue, and 1 purple marble in the bag. Find the probability of the following: roll a 1 and pick a red marble.
Monday, May 9, 2016 by Anonymous

Help Math
A graph of the sequence f(n)=2n-3 and a graph of the function f(x)=2x-3 are both shown What accounts for the differences between the graphs in terms of range? i know only the difference of the domain but i have no idea the difference of the range can someone please help
Monday, May 9, 2016 by Edgar

math
To ensure that you do not have a total consumption budget, which two categories should be added to your budget? A. savings and checking B. savings and miscellaneous C. savings and vacation D. vacation and miscellaneous
Monday, May 9, 2016 by crossfire

math
I asked this yesterday and didn't get a response. I know it is difficult since you can't see the picture on my homework. Can you tell me if I started correctly and used the correct formula for surface area of a triangular prism? Is there a way to post a pic to help ...
Monday, May 9, 2016 by sara

math
Ben is to invest $13 000 for 3 years at 8% p.a with interest paid annually. Find the amount of interest earned by calculating the simple interest for each year separately. I know how to solve this using the normal method, but i don't know how to do it by calculating the ...
Monday, May 9, 2016 by help

Math
Solve the inequality. [( 2x^2+5x-3 ) / (x^2 -8x+ 16) ] >= 0 I factored out the bottom to (X-4)(X-4). The top should be 2(x+ ? )(x- ?). What would I do next to finish the problem?
Monday, May 9, 2016 by Ken

math
A jar of gumballs contains 50 red gumballs, 45 yellow gumballs, and 30 green gumballs. You randomly select a gumball, then select another without putting it back. What is the probability that you draw two red gumballs as a percent and a fraction in simplest form?
Monday, May 9, 2016 by May someone please help me quickly.

math
A jar of gumballs contains 10 blue gumballs, 20 green gumballs, 15 yellow gumballs, and 25 pink gumballs. You reach into the jar and randomly select a gumball, then select another while replacing the first gumball back. What is the probability that you draw a green gumball as ...
Monday, May 9, 2016 by May someone please help me quickly.

math
Equation of moving point A = ( 1,3) B = ( 3, 1)
Monday, May 9, 2016 by rena

math
The second term of an arithmetic progression is 8 and the eleventh term is -10 Find the first term, the common differrnce and sum to 15 terms
Monday, May 9, 2016 by may

math
8 Which numbers from this list are less than −0 9. 4?
Monday, May 9, 2016 by Anonymous

Math
2(3c to the 2nd power+ c +-2 Please check 6c to the 4th power+c squared + -4
Sunday, May 8, 2016 by Tanya

Math
WhT is there relationship between the lines having the equations y=4x+2 and y=1/4x? Is it because they are neither parallel nor perpendicular?
Sunday, May 8, 2016 by Stacey

Math
Solve 9-3devidedby1/3+1=
Sunday, May 8, 2016 by Yo

Math
Find two consecutive odd integers whose product is 323. Would the two numbers be 17,19 and -17,-19???
Sunday, May 8, 2016 by Paul

Math
A baseball is thrown upward. The path of the baseball models the equation h= -4.9t^2 + 9.2t + 1.6, where h is height of the ball, in metres, after t seconds. How long does it take the baseball to fall to the ground? Plzzz help
Sunday, May 8, 2016 by Paul

Math
Please check Simplify 7t+3+t+9=8t+12 Simplify m-2-4m-5=-3m+7 Solve 90=5t+t 90=6t t=15
Sunday, May 8, 2016 by Tanya

Math
A ladder is placed against a wall so that it reaches 24 feet up the wall. The base is 10 feet from the wall. How long is the ladder?
Sunday, May 8, 2016 by Carlee

Math
An suv drove 54 miles using 3 gallons of gas at this rate how far could it drive with 5 gallons of gas?
Sunday, May 8, 2016 by Lauren

Math
A rectangular garden measure 15m by 10m. When each side is increased by the same amount, the area of the garden is doubled. Find the dimensions of the new garden.
Sunday, May 8, 2016 by Sara Graf

math: pre-calculus
You have 5 grams of carbon-14; whose half-life is 5730 years. a)Write the rule of the function that gives the amount of carbon-14 remaining after x years. b)How much carbon-14 will be left after 4,000 years? c)When will there be just 1 gram left?
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Solve the equation. First express your answer in terms of natural logarithms (for instance, z=(2+ln5)/ln3). Then use a calculator to find an approximation for the answer. 3^x+9=2^x.
Sunday, May 8, 2016 by Nicky

math: pre-calculus
If current rates of deforestation and fossil fuel consumption continue, then the amount of atmospheric carbon dioxide in parts per million (ppm) will be given by f(x)=375e^0.00609c, where c=0 corresponds to 2000. a)What is the amount of carbon dioxide in 2022? b)In what year ...
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Solve the equations. Log(6x-1) = Log(x+1) + log4
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Let u=lnx and v=lny. Write the expression ln3√x/2y in terms of u and v. For example, lnx^3y=lnx^3+lny=3lnx +lny= 3u+v.
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Write the expression as a single logarithm. Ln(e^3y)+ln(ey)-4
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Let u=ln and v=ln y. Write the expression ln(5√(x3√y)) in terms of u and v. for example, lnx^3y = lnx^3+lny = 3lnx+lny = 3u+v
Sunday, May 8, 2016 by Nicky

math: pre-calculus
For the log function (h(x)=log(x+3)-8): a) Find the domain. b) Find the asymptotes. c) Find the x-intercepts.
Sunday, May 8, 2016 by Nicky

math
100000$ loan at 10% interest for 10 years.
Sunday, May 8, 2016 by Theresa

math: pre-calculus
List the transformations that will change the graph of g(x)=lnx into the graph of the given function h(x)=log(x+3)-8 a) Horizontally shift the graph to the right by 3; then vertically shift downward by 8. b) Horizontally shift the graph to the left by 8; then vertically shift ...
Sunday, May 8, 2016 by Nicky

math: pre-calculus
Evaluate the expression without using a calculator. Unless stated otherwise, all letters represent positive numbers. e^(ln√x+5)
Sunday, May 8, 2016 by Nicky

math: pre-calculus
The Department of Commerce estimated that there were 53 million internet users in the country in 1999 and 90 million in 2002. Find an exponential function that the models the number of Internet users in year x, with x=0 corresponding to 1999.
Sunday, May 8, 2016 by Nicky

Math
Candy bars sold for three weeks.. Sold 26 candy bars first week Second week sold 4 less than 2 times the number of candy bars sold during girst week Third week sold 6 more than 1.5 times thenumber sold in second week
Sunday, May 8, 2016 by Sam

math
A girl was born 25 years after her mother. What fraction of her mother's age will the girl be at the age of 10
Sunday, May 8, 2016 by Gilbert

math: pre-calculus
5. For the log function (h(x)=log(x+3)-8): a) Find the domain. b) Find the asymptotes. c) Find the x-intercepts.
Sunday, May 8, 2016 by Nicky

Math
a farmer's land and separated into sections of a size two and one seventh Acres Suppose there are 4 1/3 such sections. How many acres of land does the farmer own
Sunday, May 8, 2016 by Elizabeth molina

math
A jar of jelly beans contains 50 red gumballs , 45 yellow gumballs, and 30 green gumballs. You reach into the jar and randomly select a jelly bean, then select another without putting the first jelly bean back. What is the probability that you draw two red jelly beans?
Sunday, May 8, 2016 by Anonymous

math
a researcher tagged 100 frogs in a pond. One week later she took a sample and only 5 out of 20 were tagged. Using this method how many frogs would she estimate are in the pond
Sunday, May 8, 2016 by Trey

Math
1. Compare. Use < , = , or >. 11 _____ –7 (1 point) > = < 2. Which of the following is a true statement? (1 point) |–2| < |1| |1| < |0| |–1| < |–2| |1| > |–2| 3. The table shows points below sea level. Order the locations from ...
Sunday, May 8, 2016 by Shut Up

math
Two less than three times the width of a rectangle is equal to the length. The area of the rectangle is 65 square ft. What is the length of the rectangle?
Sunday, May 8, 2016 by Anonymous

Math Algebra
A boat takes 1 hour less to go 200 miles downstream than upstream. If the rate of the current is 3 miles per hour, what is the rate of the boat in still water?
Sunday, May 8, 2016 by Kara

math
a train is 50 miles from Seattle. It is traveling away from Seattle at a speed of 60 mph. In how many hours will the train be 290 miles.
Sunday, May 8, 2016 by brenda

math
A plane flies from new york to chicago (a distance of 1,600 miles) at 400 mph. Returning from Chicago to New York it flies into a headwind and averages only 320 mph. How many hours total was the plane in the air for the entire trip?
Sunday, May 8, 2016 by brenda

math
How many 4 letter words can we make with the letters in the world gumball?
Sunday, May 8, 2016 by Anonymous

math , steve or damon pls
for questions 15 and 16, multiply. write in scientific notation (9x10^4)(8x10^6) 7.2x10^25 1.7x10^11 7.2x10^11 1.7x10^25 (1.7x10^-4)(5x10^-5) 8.5x10^-9 8.5x10^20 6.7x10^-9 6.7x10^20 for 15 I'm thinking it is c and 16 could be A pls check my work and explain what i did wrong
Sunday, May 8, 2016 by jacob :)

math
a closed tin is in the shape of acylinder of diameter 10cm and height 15cm.use the value 3.14 for pie to find a)the total surface area of the tin b)the value of the tin to the nearest naira if tin plate cost 450 per m2
Sunday, May 8, 2016 by ore

damonnnn math help
17. 6t^3 x 6t^3 (A)12t^3 (B)12t^6 (C)36t^6 (D)36t^9 Is it b or c?? I just need some help understanding if I'm supposed to add or multiply 6 and 6
Sunday, May 8, 2016 by jacob :)

math ms.sue reed writeacher help
17. 6t^3 x 6t^3 (A)12t^3 (B)12t^6 (C)36t^6 (D)36t^9 Is it b or c?? I just need some help understanding if I'm supposed to add or multiply 6 and 6
Sunday, May 8, 2016 by jacob :)

math
The radius of a circle in increasing at the rate of 0.5cm/s. Find the rate at which the circumference increases if the radius in 5cm.
Sunday, May 8, 2016 by David

math
a solution must contain at least 30% orange juice but not more than 20% ginger ale in addition to its other ingredients. If the punch bowl is to hold 400 cups of this solution, what are the amounts of orange juice and ginger ale?
Sunday, May 8, 2016 by brenda

math
A clothing company has budgeted $58,000 for the purchase of 7 sewing machines. The 7 sewing machines are to be chosen from two models, model X and model Y. If a model X sewing machine costs $8,000 and a model Y sewing machine costs $9,000, how many model X sewing machines ...
Sunday, May 8, 2016 by brenda

math
2. A candy machine has 10 grape, 6 green apple, and 16 mango gumballs. What is the probability of selecting a grape and a mango gumball as fraction in simplest form and a percent? P(A and B) = P (A) * P (B) 10/32 * 16/32 = 80/512 = 5/32 simplest form Percent: 15.625% The ...
Sunday, May 8, 2016 by May someone please check my work and answer ASAP?

math
A candy machine contains 100 gumballs: 23 grape, 26 blueberry, 16 cherry, and 35 strawberry. What is the experimental probability of choosing a blueberry gumball as a percent and a fraction? P(blueberry)=# of blueberry gumballs --------------------- total # of gumballs P(...
Sunday, May 8, 2016 by May someone please check my work and answer ASAP?

Math
After spending 2/7 of his money on the tennis racket seen have $14 left how much did the tennis racket cost?
Sunday, May 8, 2016 by Pavithra

math
How many gallons of water are in a tank with a diameter of 40' and 12' tall ?
Sunday, May 8, 2016 by Rick

math
The first and the last terms of an Arithmetic Progression are 6 and 171 in that order. If there are 14 terms, find the 16th term of the Arithmetic Progression.
Sunday, May 8, 2016 by Henry

English
Please check my answers and correct me if I'm wrong 1. Identify the sentence in which the underlined verb DOES NOT agree with its subject. A. The trophies (are) ready to be awarded. B. There (is) no reason why he cannot play. C. Most of these math questions (are) easy. D. ...
Sunday, May 8, 2016 by GummyBears

math
The 3rd term of an Arithmetic Progression is 10 more than the first term while the fifth term is 15 more than the second term. Find the sum of the 8th and 15th terms of the Arithmetic Progression if the 7th term is seven times the first term.
Sunday, May 8, 2016 by Toba

math
find the nth term for the sequence 3,12,27,48,75......?
Sunday, May 8, 2016 by Olumide

math
X is a point 2800 m East of Y. Due North of X is another point Z whose bearing from Y is N63°E. P is due North of Y and its bearing from X is N25°W. Calculate XZ and XP (give your answers to four significant figures)?
Sunday, May 8, 2016 by Wesley

math
the angle of elevation of the sun is 27 degree.a man is 180cm tall.how long is his shadow?give your answer to the nearest 10cm.
Sunday, May 8, 2016 by kamal

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