# math/algrebra

131,129 results

algrebra
can someone show the steps 6*1/2-4[2-3(4*1/2-3)]=-17 in two step equation in algrebra

math-Algrebra 2
How do I factor b^3(a^3b^3 - 1)?

math/algrebra
find the first five terms of the sequence whose nth term is given. (-2)^n + 2^n

algrebra
3y-7+y=25+5y=20-3y

algrebra
6-9(g+3)+6g

algrebra
P=S1 + S2 +S3 for S2

Algrebra
3u-ux/x=6y/x

Algrebra
How do I simplify this: -3(4y)

algrebra
how to solve -6x-4y+3x-y

algrebra
how do i solve 3x+9-8x+6=62/3

algrebra
(6x^2-xy+y^2)+(-x^2-9xy+6y^2)

Pre-Algrebra
a/4-3/4=1/4

Pre-Algrebra
4/7x-3=13

Pre-Algrebra
-x/6-8=10

Pre-Algrebra
1/5(x+10)-2

Algrebra
Please faCtor. Thank you for your help. a^2 + 4a + 21

Algrebra
How do i factor this? t2-16t+64

algrebra
8x+11x=114

algrebra
(2,4) and (6,6) what is the equation of the line y=

algrebra
9 a . 12x -4x =104 9b 8a+3a+4a=12 9c. 7m -3m-6 = 30 9d. 2\3y + 5\3y-8=6

Algrebra
How do you write the rule for: y=3x+4 for x=8

Pre-Algrebra
How do you solve 5+2c/4=14

Algrebra
substitution method 3x + y=12 8x-2y =4

Algrebra
7x+10=59 10-7x+10=59-10 3x+10=49 ??? -3+x=5 3+(-3)+x=5+3 x=8 Is this right Ms.Sue?

algrebra
solve the equation -4(3-x)=3(4x-6)

algrebra
10-3y-7y<30 the solution set is {y/y>= } i dunno how to do this?

algrebra
16(5/8x+1/16)x=16(7/16+x) I have no idea how to multiple 5/8 by 16

Algrebra
Given that a(x+7)=24, which expression is equivalent to x? A. 24/a-7 B.24-7/a C. 24/a -7 D. 24-7/a

algrebra
I can't figure this one out. Help!! what is 7-6x=9 thanks!

algrebra 2
how to find the xintercept and y intercept 5y=15x-90

Algrebra 1
x2(squared)-12=-x solve by completing the square

algrebra 2 / trig
solve the triangle a=1 b=2 C=50 degrees

pre-algrebra
What is the missing coefficient x 2 4x -2x x 2 ______ x

Pre Algrebra
Which expression has the same value as m^-4+1/5^-4 a)1/m*1/m*1/m*1/m+5*5*5*5 b)m-4+1/5-4 c)1/m*1/m*1/m*1/m+4*4*4*4*4 d)1/m*1/m*1/m*1/m+1/5*1/5*1/5*1/5

Pre- algrebra
For questions 2 and 3, simplify the polynoimal. 2. 4x^2+4-5x+x-2x^2+8 A. -2x^2+4x+12 B. -2x^2-4x+12*** C. 2x^2+4x+12 D. 2x^2-4x+12 3. 3x^2+5x-7x+3-5x^2+2 A. -2x^+2x+5*** B. -2x^2-2x+5 C. 2x^2-2x+5 D. 2x@+2x+5

Algrebra
simplify 12n to first power/36n

college algrebra
Find the coordinates of the point of intersection of the graphs of y = x and y = 6

Algrebra Help!
What are the first four terms of the sequence represented by the expression n(n - 2) - 3?

Algrebra
Please advise if I did this problem correctly Solve the proportion 32/X = 2/3. 32/X = 2/3 32 divided by 2 = 16 11 x 3 = 33 16/33 16 x 2 = 32 33 x 1 = 33

Pre-Algrebra
Solve the equation. 78=-2(m+3)+m -1/3m-7=5 1/4y+9=1/2 x-9=-6x+5 x+9=5(4x-2) Can you please show me how you got your answer.

algrebra
Combine like term, write answer in descending order. 4x^2 - 6x +9?

Algrebra
find the value of r so the line that passesthough each pair of points has the given slope(9,r),(6,3),m=-1/3

Algrebra, Graphs, Math

algrebra
why did gyo go into a bakery? also what happened when two fruit companies merged?

algrebra
Suppose the speedometer in your car reads 55.0 mph. What is your speed in m/sec? (1km=0.621 mi)?

Algrebra
The points (1,5), (4,5), and (1,0) represent three corners of a rectangle; find the coordinates of the fourth poin

algrebra 2
can someone please help me im stumped on these two. use analytical methods to solve the equation. 1+(1/x)=(42/x²) (7/x-4)=1+(9/x+4)

Math, Algrebra II High school
You have 29 coins, the total value of which is \$1.77. The number of quarter is eight less than the number of pennies and the rest are nickels. How many of each coin do you have?

Pre-Algrebra
I have to solve the equation s=g+h and am totally clueless as to how to even start. Please help explain. Thank you.

pre-algrebra
needing to solve word problems with linear equatios, if there something to help work into them?

pre algrebra
simplify one half plus two thirds divided by three fourths

College Algrebra
How would you use synthetic division to find the quotient and remainder for this problem: (X^3+3ix^2-4ix-2)/(x+i)

algrebra
2 similar triangles were drawn in a design.one was 1/4 the size of the other.if the measures of the first were 5,6 and 12 the measure of a larger triangle were is A)10,14 and 24 B)20,28 and 48 c)10,28 and 48 d)14,28 and 48

algrebra
Solve by applying the quadratic Formula: all radicals should be simplified as far as possible. Show your work. a^2 -12a + 35 =0

Algrebra
How do you insert grouping symbols to make this equation true? 14 divided by (5+2) +8=10 14/7=2+8=10 Please confirm, I really have an issue with Algebra

Algrebra
1: Dory bought 2 computers on sale for \$210.99 each. He sold them to his friend for \$240.00 each. What was his profit? -\$52.99 -\$58.02 ***** -\$421.98 -\$480.00 Please check;)

algrebra with application
Determine the comparable interest rate for a \$80,000 loan when the quoted information is 10.4% + 0.5 pt + \$300. (Round your answer to two decimal places.)

algrebra
A scientist is working with 1.3m of gold wire. How long is the wire in millimeters? Be sure to include the correct unit in your answer.

Algrebra
How do you represent each answer as an algebraic expression using the variable mentioned? Represent the cost of "t" feet of lumber that sells for "g" cents a foot....

ALGREBRA
THE FASTEST MOVING INSECT IS THE LARGE TROPICAL COCHROACH. IT SCURRIES AT SPEEDS OF UP TO 2.3 FEET PER SECOND. NOW WRITE AN EQUATION THAT REPRESENTS HOW MANY MILES A ROACH CAN TRAVEL IN 1.5 HOURS

Algrebra-Systems of Equations
The perimeter of a rectangle is 110cm. The length is 1cm more than twice the width. Write 2 equations that would be used to solve the system.

Algrebra
I would appreciate your help with this. Thank you Solve each equation and check for extraneous solutions. [SQRT(x - 3)] - 7=0 2[SQRT(w + 4)]=5 [SQRT(x)]=-2

Algrebra 1
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?

Algrebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.) (2x+4) (2x-3) = 4x + 7 ...

Algrebra-Systems of Equations
Mary is twice as old as her nephew. The sum of their ages is108. Write system of equations that could be used to find there ages.

Algrebra-Systems of Equations
Kasey is thinking of 2 munbers. The sum of the two numbers is -18. Their difference is 38. Write a system of equations that can be used to find the numbers.

Algrebra-Systems of Equations
Kasey is thinking of 2 munbers. The sum of the two numbers is -18. Their difference is 38. Write a system of equations that can be used to find the numbers.

Pre-Algrebra
Alecia deposited \$500 in a savings account at 5% compounded semiannually. What is her balance after 5 years? Can you please show me step by step how to do this problem. The choices are \$650.00 \$640.04 \$670.05 \$897.93

Algrebra-Systems of Equations
One number is 12 less than three times another number. Their sum is 188. Write two equations that would be used to solve the system.

high school algrebra 1
A youth group is planning a trip to a local amusement park. They are taking a van which holds 10 people. It will cost \$25 for parking and tickets to enter the park are \$18 per person. create an equation for this situation

algrebra
In a recent pancake eating contest, Phil ate three less than twice as many pancakes as Sara. Together they combined to eat 15 pancakes. How many pancakes did they each eat?

Algrebra I
1. Which line is the flattest (or is less steep)? Why? y = 5x -6 y = 5x + 6 y = x - 3 y = x + 3 I thought it would be the last one since it has the smallest slope Well, yes...but both the third and last equations have a slope of 1, and so have the same "steepness" (these lines...

algrebra 1
Could you explain in detail how to do the equation (5b4n ) 2 2a6 keep in mind the 4 and 6 are small numbers on the right top corner and the parenthesis are for the numbers on top and bottom. There is a line in between the upper and lower numbers too.

Algrebra-Systems of Equations
A collection of dimes and quarters is worth \$19.85. There are 34 more dime than quarters. Write a system of equations that can be used to find how many of each type of coin there are in the collection.

Algrebra
I don't understand on how to answer this question. Could you please help and tell me the parts for the graphs? 1) X,Y is a point in the first Quadrant Identify the location of: A.(-X,Y) B.(X,-Y) C.( -X,-Y) 2) X,Y is the point on the second quadrant. Find the location of: A...

Algrebra
A rectangular field is 3 yards longer than twice its width. If the perimeter is 156 yards. How wide is the field? 3*2=6 6*2=12 6*2*12=156 ??

algrebra
show that b is inverse of a a=[-1 1 -3] [2 1 -1] [2 -1 4] b= [0 1 2] [-1 1 -2 ] [-1 0 1] i got ab = to [1 0 0 ] [0 1 0] [0 0 1] and for ba i got [1 0 -4] [0 1 8] [0 0 5] so there is not a inverse is this right

Algrebra
I need to find the approximate surface area of a cone with the R=5 and L=6. I thought I figured it out by 3.14(5)(6) which will give me 94.2 I then would take 94.2 +3.14(5)squared and I came up with 172.7, but my answer should be either 20m squared, 98m squared, 118m squared ...

Algrebra II
In this word problem, I have to assume that it can be described by a linear function: A photocopying machine purchased new for \$4500 loses \$900 in value each year. a) Find the value of the machine after 18 months. b) When will the book value be \$1200? Thank you for helping me ...

Please tell me if my awsers are correct A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? A)21inches

algrebra
in the early months of one year, one site opened 0.6 million new accounts. at this rate, how many days would it take to open 48 million new accounts. Thanks, Tina

College Algrebra Math 133 unti 1 IP 1
Suppose the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 80 inches. The formula for the perimeter of a rectangle is P=2L + 2W. Set up an equation for the perimeter involving only the L the length of the rectancle. And ...

algrebra
a purse contain \$6.00 in quarters and dimes. there are 17 more quarters than dimes. find the number of quarters and dimes

algrebra
John wants to rent a car. He knows that a friend used XYZ rental agency in the past. His friend paid \$65 to drive 50 miles and \$74 to drive 80 miles. What is the linear function the agency uses to find the cost?

Pre-Algrebra
One gallon of liquid occupies 231 cubic inches. Write a rule that expresses the number of gallons g(c) as a function of the number of cubic inches c. Choices are: g(c)=c/231 g(c)=132/c g(c)=231c g(c)=132c

algrebra
If the subway travels and average speed of 45mph and it allows you to get to work at 8:30, when you leave your house at 7:45. One day the subway was having problems and could go 35mph. how early would you have to leave your house to make it to work on time?

Algrebra
Find K if the lines 3x-5y=9 and 2x+key=11 are a) parallel and b) perpendicular So for A) I have to find the slope, so would I set the x's equal to each other? And from there, I can find B) because the slope is just the reciprocal. I'm just having trouble finding the slope I ...

Determine the zeros of the function 7x^2 + 9x = 0 answers were: {-9/7} {-9/7,0} {o,9/7} {9/7} I think the answer is {-9/7,0} but I'm not positive when I worked it-If this is wrong please steer me into the correct calcs because then I don't what I'm doing wrong 2.Solution to ...

Algrebra
Please advise on the following: From 1993 to 2003 the cumulative number N of AIDS cases in thousands can be approximated by, where corresponds to the year 1993. N = -2 x2 + 76x + 430, where x = 0 corresponds to. 1) Show how well the equation approximates the data. 2) Rewrite ...

What is the solution to negative square root of 7 to the nearest integer? A)9 B)8 C)-8 D)-9** Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? A)1foot B)2feet** C)...

Algrebra and Math
Can you help me answer this question? I'm confused, and show me how you did it, that way I can understand on how to solve it more? The total number of students in 8th Grade is 32, including Fran and Billy, Who are one of the female and male students respectively. Fran has ...

COLLEGE ALGREBRA
A horse breeder wants to construct a corral next to a horse barn that is L=20 feet long, using the barn as part of one side of the corral as shown in the figure above. The breeder has 320 feet of fencing available.

algrebra
The function W(d)=0.112d approximates the amount in centimeters of water that results from d cm of snow melting. Find the amount of water that results from snow melting from depths of 20cm,38com, and 62cm.

pre-algrebra
melind wants to paint the exterior lateral surface of her house. It is nine feet high and has a perimeter of 140 feet. each gallon of paint covers 300 square feet how many one gallon cans of paint does she need to buy to paint her house

Question 21 (Essay Worth 8 points) [2.08] The formula for degrees Celsius is: C = 9 over 5 (F − 32), where F stands for degrees Fahrenheit. Part 1: Solve the formula for F. Show all steps. Part 2: Determine how many degrees Fahrenheit 2 degrees Celsius is.

algrebra
Christine purchased a prepaid phone card for . Long distance calls cost cents a minute using this card. Christine used her card only once to make a long distance call. If the remaining credit on her card is , how many minutes did her call last?

Algrebra
Write the equation of the line passing through the given point with the given slope. a) point (3,-2) with slope of m=5/3 Answer: y-(-2)=5/3x-3 b) point (3,9) with slope m=(-2/7) Answer: y-9=-2/7x-3 Correct?

College Algrebra
Joel can run around a 1/4 mi track in 66 sec. Jason can run around the track in 60 sec.If the runners start at the same point on the track and run in opposite directions, how long will it take the runners to cover 1/4 mile?

algrebra 1
A secretary at the police department makes \$8 less per hour than the dispatcher. The combined hourly wage of the secretary and the dispatcher is \$40. Which equation could be used to find the hourly wage of the dispatcher? A) 2x + 8 = 40 B) 2x − 8 = 40 C) 8 − 2x = ...

Pre-Algrebra
3. 2x^2+6x-7x+8-3x^2+1 A. 2x^2+x+9 B. -2x^2-x-9 C. -x^2-x+9 D. x^2+9 4. What are the coefficents in the polynomial 4x^2+3x-3 A. 4,-3,-3 B. 4,3 C. 4,3,3 D. -4,-3 6. (7x^2-x-2)-(6x^3+3) A. 6x^3-+7x^2-x-5 B. -6x^3+7x^2-x+1 C. -x^3-x-5 D. x^2-x+1 7. Suppose you earn 6t-2 dollars ...

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