Algrebra

115 results

algrebra

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

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

math-Algrebra 2

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

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

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)

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.

math/algrebra

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

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, Graphs, Math

How do I sketch my graph of X+Y=3? Please help! I don't understand. Do I need to solve this like the rest of my previous graphs if so, then how? Please Help!

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.

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

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 ...

Algrebra readiness

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

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 ...

Algrebra II-please check my answer

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 ...

Algrebra readiness

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)...

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

9th grade algrebra

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 ...

Algrebra-Systems of Equations

One weekend, a newsstand sold twice as many Sunday papers as Friday papers. The Sunday paper cost $0.90 and the Friday paper costs $0.25. The total receipts were $84.05. How many Friday and how many Sunday papers we sold? Write equation.

algrebra 1

A 180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board A) 20 ft B) 40 ft C) 60 ft D) 120 ft

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