Tuesday
September 27, 2016

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra
-1/9 + (-5/7) = A. -3/8 B. -52/63 C. -6/7** D. -61/63 Is my answer correct?
Tuesday, September 27, 2016 by omg

Algebra
Write an equation for the trend line and predict the value when x is 15. x y 0 17.5 3 35.4 6 50.5 9 60.6 12 66.3
Tuesday, September 27, 2016 by Anonymous

Algebra 2
A ball is dropped from a height of 25 feet and allowed to continue to bounce until it eventually comes to a rest. Each time the ball bounces it rebounds to 45 of its previous height. After which bounce is the ball's rebound height 10.24 ft?
Monday, September 26, 2016 by bre

Algebra 2
A set of data with a mean of 64 and a standard deviation of 5.9 is normally distributed. What value is within +3 standard deviation of the mean?
Monday, September 26, 2016 by Samantha

Intermediate algebra
8x (x-1)=ø
Monday, September 26, 2016 by Kat

Algebra
1) Simplify: (Y^4) (y^3) A:y^1 B:y^7 (my answer) C:y^12 D:y^43 2)Simplify: Y^6 / y^2 A: y^8 B: y^4 C: y^3 ( my answer) D: y^1 3: Convert into a fraction 5-^3 A: 1/5 B:1/15 (my answer) C:1/25 D:1/125 4: 15^0=? A:0 (my answer) B:1 C:15 D:1/15 5: Select all the expressions that ...
Monday, September 26, 2016 by Lexi

algebra
if the quotient of a number and 15 is added to 1/5 the result is 17/15.find the number
Monday, September 26, 2016 by Bull

Algebra 1
Emmanuel was speaking with a friend from another country. His friend told him that the speed limit on most highways is 100 kilometers per hour in her country. This speed sounded fast to Emmanuel. Approximately what speed is this in miles per hour? Round to the nearest whole ...
Monday, September 26, 2016 by joshua

Math/algebra
The scale on a map is 2 cm : 7km. If two cities are 12 cm apart on the map what is the actual distance in km between the two cities? " this is NOT a homework question" i dont understand any of this!
Monday, September 26, 2016 by Sharon

Algebra
A countrys population in 1995 was 56 million in 2002 it was 59 million. Estimate the population in 2016. Exponential growth formula
Monday, September 26, 2016 by Anonymous

8th Grade Pre-Algebra
Annabelle and Navene are multiplying (4275)(4372). Annabelle's Work (4275)(4372) = 42 + 375 + 2 = 4577 Navene's Work (4275)(4372) = 42⋅375⋅2 = 46710 Is either of them correct? Explain your reasoning. Those numbers have exponents in them. I've been ...
Monday, September 26, 2016 by Music Lover 14

Algebra
You plan to remodel your dining room and you have chosen 1 foot by 1 foot ceramic tiles for the floor. The dining room is 6 feet by 5 inches long and 9 feet by 8 inches wide. How many tiles do you need to cover the dining room floor?
Monday, September 26, 2016 by Trish

ALgebra
Three years ago, Wendy's age was 3/4 as old as Erna and Lucys age was 2/3 as okd as Erna. If the sum of their ages is 67, find the present age of each.
Monday, September 26, 2016 by Raquel

Algebra
Driving from Tulsa to Detroit, Takimi average 50mph, he figured thatnif he had average 60mph his driving hours would have decreased 3 hrs. How far is it from Tulsa to Detroit?
Monday, September 26, 2016 by Raquel

algebra
A candidate for public office has claimed that 60% of voters will vote for her. If 5 registered voters were sampled, 1. What is the probability distribution function for this voting? 2. What is the probability that exactly 3 would say they favor this candidate? 3. Calculate ...
Monday, September 26, 2016 by jessica

algebra
candidate for public office has claimed that 60% of voters will vote for her. If 5 registered voters were sampled,
Monday, September 26, 2016 by jessica

Algebra
A long-distance telephone call cost $.20 for the first 10 minutes plus $.10 for each additional minute. How much should you expect to pay for a call that was 26,457 seconds?
Monday, September 26, 2016 by Muffie

Algebra
Two investments in high- technology companies total $1,100. If one investment earns 10% annual interest and the other earns 10%, find the amount of each investment of the total interest earned is $140 for the year. The value of the investment which earns 10% annual interest is...
Monday, September 26, 2016 by Lauren Tiku

algebra
How do you find the inverse of f(x)=4x-2?
Sunday, September 25, 2016 by Suzie

algebra
For g(x)=3x-5; find g(6)
Sunday, September 25, 2016 by starkid

Algebra
A coaxial cable 10 feet long is cut into two pieces such that the length of one piece is two-thirds of the length of the other piece. Find the length of the shorter piece of cable.
Sunday, September 25, 2016 by Mary

Algebra 2
How do I write: 3x = 6y - 12 in standard form (ax+by=c)
Sunday, September 25, 2016 by Bryce

Algebra
jake jenkins earned 9000 last year by giving tennis lessons. he invested part at 7% simple interest and the rest at 4%. he earned a total of 540 in interest. how much did he invest at 4%
Sunday, September 25, 2016 by Dakota

algebra
let f be the function given by f(x)=x^2-4x Find and simplifiy f(x+h)-f(x-h)/h Please show all work Thank you
Sunday, September 25, 2016 by madison

Algebra
The bongo family has three children, including a pair of twins. The third child is 3 years younger than the twins. The sum of the three ages is 42. How old is each?
Sunday, September 25, 2016 by Paul

algebra
An open box is to be constructed from a rectangular sheet of tin 5 meters wide by cutting 1 square meter from each corner and folding up the sides. The volume of the box is to be 18 cubic meters. What is the length of the tin rectangle?
Sunday, September 25, 2016 by Billy

algebra,
x=5x+6y change subject to x
Sunday, September 25, 2016 by koushal

Algebra
The perimeter of a rectangle is 80 in. The length is 6 inches more than the width. What are the dimensions of the rectangle
Saturday, September 24, 2016 by Crystal

Math-Algebra
What is the value of 4^2 - 2(3 x 5 + 1)? My answer~ I took (3 x 5 + 1) = 16 x 4^2 = 16 - 2 = 14, and I got 254, but that's not on my answer recommendations, I don't understand this at all, plz help meh!! A.8 B.1 C.-16 D.-21
Saturday, September 24, 2016 by Fieroh

Geometry
I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon my class starts at ...
Saturday, September 24, 2016 by Ava

Algebra
To solve by elimination 4x-6y=10,x+y=0
Saturday, September 24, 2016 by Ann

Algebra
To solve by the elimination method. 5x+7y=40,x=y+3
Saturday, September 24, 2016 by Ann

Algebra
Are there two integers with a product of -12 and a sum of -3?
Friday, September 23, 2016 by Becky-G

Organic Chemistry
One sample that is 1mm in height has a melting point range of 200-201. What would be the melting point range of a 10mm sample in height if both samples heating rate is 2 degrees Celsius per minute? I'm thinking it would be about 2000-2010 but I'm not fully sure. I used...
Friday, September 23, 2016 by Karnvir

Algebra
What is f(4) if f(x)= |3x + 4| - 2
Friday, September 23, 2016 by Anonymous

Algebra
What is the Solution to -54/x = -6? A. X = 9 B. X = -6 C. X = 6 D. X = 9 I do not really understand this question can someone help me? (Not asking for a answer) And whats the difference between |-8| and 8? Arnt they the same? One last question i dont fully understand 9m = -63...
Friday, September 23, 2016 by Help please

algebra
john runs .5 miles per day. if he increases .5 miles a day, how many days until he reaches 7.5 miles?
Friday, September 23, 2016 by D-Man

Algebra
The graph of g(x) is the graph of f(x)=x^2 shifted 4 units left, vertically stretched by a factor of 3, then shifted 5 units up. What is the function rule for g(x)?
Friday, September 23, 2016 by Anonymous

Algebra 2
s=prt solve for t Don't know where to start help!
Friday, September 23, 2016 by Becky-G

Geometry and algebra
A rectangle wother does 12 and 16 cm is inscribed in a circle with centre of.a dart is thrown and lands in the interior of circle what is its probability of dart that lands in the shaded region
Friday, September 23, 2016 by Soniya

algebra
Give the answed of the question Doreen ran 4 miles farther than ludy. Together, they ran a distance of 20 miles.How far did each ran?
Friday, September 23, 2016 by Liit

Algebra
Write an equation for a function at has a graph with the given characteristics. the shape of y=|x| is reflected across the y-axis. this graph is then vertically stretched by a factor of 1.5. Finally, the graph is shifted 4 units downward.
Thursday, September 22, 2016 by Help

Algebra
Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know how to solve with the fraction. Thank you. -2x+1/3y=4
Thursday, September 22, 2016 by Martha

Algebra
Please help me find the slope of the curve for these problems. I don't know how to solve it. 1. Y = x^3 at P(-1,-1) 2. Y= x^4/2 at P (-1, 1/2) 3. Y = 8x^4 - 7x^2 + 5x +6 at P (-1,2)
Thursday, September 22, 2016 by Tiffany

Algebra
Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know how to solve with the fraction. Thank you. -2x+1/3y=4
Thursday, September 22, 2016 by Anonymous

Algebra
whats the answers to the "why are mr. and mrs. number so happy
Thursday, September 22, 2016 by Riley

Algebra
A number n is less than 6 units from 0. write inequality and solve it.
Thursday, September 22, 2016 by Matt

Algebra one
What is the compatible number of 19% of 30
Thursday, September 22, 2016 by Elizabeth

math algebra
Evaluate the following algebraic expressions for the given value: 1. 4y-115 if y=7 2. 312 + 78x if x=4 3. 8z2 - 9 if z=3
Thursday, September 22, 2016 by louie

Algebra
p=1/r * s + d ; solve for s A. s = r/p - d B. s = p + d/r C. s = r(p - d) D. s = r(p + d) I'm not sure on this one, but I'd go with B. Please help? Thanks
Thursday, September 22, 2016 by Fading

Algebra
What is an equation in point slope form for the line perpendicular to y=7x+3 and contains (-6,-3) ? A)y+6=-1/7 (x+3) B)y+3=7 (x+6) C)y+3=-1/7 (x+6) D)y+3=7 (y+6)
Thursday, September 22, 2016 by Savannah

algebra
How many minutes past 5:13 will the hands of an analog clock next be 12 degrees apart?
Thursday, September 22, 2016 by Nila

Algebra
1.Use the distributive property to simplify the expression. (-1)(4-c) Can someone show me how to work this out? I'm stuck. :C
Thursday, September 22, 2016 by Alex

honors algebra 1
3. Which ordered pair is a solution of the equation y=x-4? a. (2,6) b. (6,2) c. (-2,6) d. (3,1) 4. Which ordered pair is a solution of the equation y=5x? a. (-2,10) b. (-5, 25) c. (-3,15) d. (-2, -10) 5. Which ordered pair is a solution of the equation y=-5x+4? a. (2,14) b. (5...
Thursday, September 22, 2016 by Chloe

Algebra
josh receives a weekly paycheck from his job. at the end of the week he has $52 remaining. throughout the week he spent a third of his paycheck at the mall and $8 for a new calculator. what the amount of his paycheck?
Thursday, September 22, 2016 by Nicole

Algebra
two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will they meet if they start at the same instant?
Thursday, September 22, 2016 by joan

math algebra
two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will they meet if they start at the same instant?
Thursday, September 22, 2016 by chelsy

math algebra
at how many minutes after 3pm will the minute hand of a clock overtake the hour hand?
Thursday, September 22, 2016 by chelsy

math algebra
a motorboat, which can travel at 20 miles per hour in still water, takes 3/5 as long to travel downstream on a river from a to b, as to return. Find the rate of the rivers current.
Thursday, September 22, 2016 by chelsy

Algebra
The sum of the ages of Dave and Ted is 48. Eight years from now, Ted will be 3x Dave's age. Find their present age.
Thursday, September 22, 2016 by Filipinas

algebra
5/x-3/4x=23/x+6 first I made it 20/4x-3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help. Thank you
Wednesday, September 21, 2016 by sara

Math algebra
(a+b)(a-b)
Wednesday, September 21, 2016 by Sunil

algebra
which ordered pair is a solution of the equation y=5x (-2,10) (-5,25)** (-3,15) (-2,10) which ordered pair is a solution of the equation y=-9x+4 (10,-86) (-4,-58) (6,-41)** (-6,57)
Wednesday, September 21, 2016 by oto

algebra
1. is he equation true , false, or open 5x+2=6x+11 open, there is a variable *** true, he expression are the same for all values of the variables false, the expressions are never the same which value is a solution of the equation 2-8x= -6 1** 1/2 -1 8 which ordered pair is a ...
Wednesday, September 21, 2016 by oto

Algebra
A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places.
Wednesday, September 21, 2016 by Matthew

Algebra
110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but 14 students could go for a ride. those remaining 14 students had to wait until first students finished their ride before they could go. how many ...
Wednesday, September 21, 2016 by Q

Algebra
Write the equation of the line in stasndard form that passes through the points 2,-3 and -1,-4
Wednesday, September 21, 2016 by Anonymous

Algebra
These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do you need to get on your next test to have a B in class? x = grade needed
Wednesday, September 21, 2016 by Emelia

Algebra
What is 2u to the fourth power times v squared all divided by 3u
Wednesday, September 21, 2016 by Anonymous

Algebra
6= x+2/3 help me solve this please
Wednesday, September 21, 2016 by leslie

Algebra 2
A normal distribution has a mean of 240 and a standard deviation of 4.8. What is a z-score of 230? What is a z-score of 245? Round to the nearest hundredth. Enter your answers in the boxes. A Z-score of 230 is 6 A Z-score of 245 is <i'm confused for this one
Wednesday, September 21, 2016 by Arianna

algebra
1.) suppose y varies directly as x.if x=24 when y=8 then what is the constant of variation? 2.) suppose y varies inversely as x if x=4 when y=8 then what is the constant of variation?
Wednesday, September 21, 2016 by jm tablate

Algebra 1
3 [42-2 (10^-9^)]
Wednesday, September 21, 2016 by TJ

College Algebra
Find a pair of positive integers such that the sum of the numbers is 20 and the sum of their reciprocals is 4/15.
Tuesday, September 20, 2016 by Fiona

Algebra
If f(x)=x^2-13 and g(x)=11-x, find (f-g)(3) (f-g)(3)=
Tuesday, September 20, 2016 by Jordan

Algebra 1
Find each value g(X) = x^2 - X g(2)^2 -2 - (2)-2 The answer key days zero but I keep getting 2 Will someone help 4-2 - (2)-2 =2 - 0 =2
Tuesday, September 20, 2016 by Robin

algebra
2/3(12x-21)-2x=4xdivided by 10
Tuesday, September 20, 2016 by vin

Algebra
John earns $3 more than hugh. Leslie earns $2 less than twice Hugh. Together they earn $101. How much does Hugh earn?
Tuesday, September 20, 2016 by John

algebra
I need to write a full for the function. x = 4,5,6,7 y = 0,2,4,6 y=4*0
Tuesday, September 20, 2016 by lisa

ALGEBRA
. Water freezes at 0◦ Celsius and 32◦ Fahrenheit and it boils at 100◦C and 212◦F. (a) Find a linear function F that expresses temperature in the Fahrenheit scale in terms of degrees Celsius. Use this function to convert 20◦C into Fahrenheit. (b) ...
Tuesday, September 20, 2016 by UCHI

algebra 1
list from least to greatest square root 7, square root 3,-0.3,-7/4,0.1
Tuesday, September 20, 2016 by angie

Algebra
jorges brother is 4 less than 3 times his age the sum of their ages is 24 how old is jorge brother
Tuesday, September 20, 2016 by Destiny

Algebra
A flight from a to B is against the wind and takes five hours return flight with wind takes 4.5 hours of the wind speed is 50 mph find the speed of the plane in still air
Tuesday, September 20, 2016 by Jason

Algebra
Greg is 16 years older than his sister Barbra. In 13 years , he will be twice as old as Barbra. How old is each of them now ?
Tuesday, September 20, 2016 by Giovanna

Pre algebra
how to simplify -12 divided by 3•(-8+(-4) to the seccond power-6)+2
Monday, September 19, 2016 by Tyanna

algebra
h/j=15 for j
Monday, September 19, 2016 by Melody

Algebra
A meteorologist announces that yesterday’s high temperature was within 4° Celsius of 18° Celsius all across the country. Write an inequality that involves an absolute value to represent yesterday’s high temperature. Solve the inequality and explain the ...
Monday, September 19, 2016 by Fading

Algebra
Kerry's car averages 25 mpg. She wants to find how far she can drive based on the gallons in her car. Choose the correct model fo this situation 25=d+g D=25g G=25 ( d is distance in miles and g is gallons of gas) What is the slope ? How far can she travel if she puts 7 ...
Monday, September 19, 2016 by Juan

Algebra
Solve the system by elimination 2x+3y=4 5x+6y=7
Monday, September 19, 2016 by Sanan

Algebra
You and a friend eat tacos. You order 2 tacos and 5 burritos which equals $19. Your friend orders 1 taco and 4 burritos which equals $14. Find the cost of a taco and a burrito. Please help
Monday, September 19, 2016 by Bill

Algebra
System of equations for -6=Ab^-3 -18=Ab^2
Monday, September 19, 2016 by Terrance

Algebra
Verify the solution by choosing the correct coordinate point whic states 3x-2y=2 5x-5y=10 Answer choices: (0,-1) (-4,-2) (-2,-4) (1,-5) Thanks for the help
Monday, September 19, 2016 by Joe

algebra
What is the equation for the line with a slope of 7 and a y-intercept of -1 ?
Monday, September 19, 2016 by Jack

algebra
What is the equation in slope-intercept form of the line that passes through (1,5)and has a slope of 3 ?
Monday, September 19, 2016 by Jack

Algebra
A gardener has a border of flowers around a rectangular vegetable garden. The vegetable garden is 5 ft x 2 ft, and the flower border has a uniform width of 1 ft and is 7 ft x 4 ft. What is the area of the flower garden only? 4 ft^2 10 ft^2 18 ft^2*** 28 ft^2 I don't know ...
Monday, September 19, 2016 by Fading

Commom Core Algebra
how do I rewrite the following expression as an equivalent product of two binomials? x(x+2)+3(x+2)
Monday, September 19, 2016 by Nikki

Algebra
Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=-14 3x+6y=6 Please help and thanks
Monday, September 19, 2016 by Adam

algebra 1
I need to solve this inequality 3(x-2)>-3
Monday, September 19, 2016 by Amanda

Algebra
Shark wireless charges 2 cents per text with a $25 monthly fee while Nova cellular charges 4 cents per text with a $15 monthly fee. Create a linear equation.
Monday, September 19, 2016 by Db

algebra - theory of numbers
Sum of divisors ofN
Monday, September 19, 2016 by sathya

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Homework Help: Math