Algebra

algebra
An airplane has an airspeed of 300 mph, and it is traveling to the southwest. After two hours it is 282.9 miles from its starting point, at a compass heading of 228.6° from the starting point. what is the speed and direction of the wind?.

algebra
I need help with the lesson 13 unit 5 fuctions unit test for connexus pls help me.

Algebra 1
Solve each compound inequality. -1-10a<-1v10+3a< or = -5

Algebra
The ratio of the length to the width of a golden rectangle is (1 + √(5):2:.The dimensions of a garden form a golden rectangle. The width of the garden is 12 feet. Find the length L of the garden. Round your answer to the nearest foot.

Algebra
Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a package (volume) while keeping how much material is required to create the package (surface area) low. Pick a product that might be packaged in the shape ...

algebra
1. What are the next three terms in the sequence? –6, 5, 16, 27, … (1 point)

Algebra
Suppose you are having a birthday party at the local bowling alley. You are trying to figure out how many people you can afford to invite. b. How much money are you willing to spend? c. Set up an equation that shows the inverse relationship between the number of guests at your...

Algebra (Final)
I know my answer, but I stumbled on it accidentally. I want to know exactly HOW to get my answer. The question states: In a geometric sequence, a1=12 and r=(sqrt)2. What is the approximate sum of the first 20 terms of the sequence?

Algebra
what is the equation of the hyperbola given that the perimeter of the central rectangle is 44 units and its vertices are (7, 0) and (-7, 0)

algebra
The width of a rectangle is 11 inches less than its length. Find the dimensions of the rectangle if the area is 80 square inches.

Algebra
1. Which polynomial does the model represent? (1 point) –x³ + 2x² – 3x + 2 x² + x – 2 –x² – x + 2 –x² + x – 2 For questions 2 and 3, simplify each polynomial. 2. 2x2 + 8 – 4x + 3x – 6x2 + 7 (1 point) –8x2 – 7x + 15 –4x2 – x + 15 4x2 + x + 15 8x2...

Algebra 1
It takes Maria 1 1/2 hours to deliver newspapers every morning. Hal can deliver the papers alone in 1 hour. How fast can they deliver the papers if they work together? How do I set up this problem? Thank you

Algebra 1
A grocer wants to mix nuts costing $5 per kg with nuts costing $8 per kg to make a 10 kg mixture selling for $6 per kg. How much of each type should be mixed? How do I set up this problem? Thank you.

Algebra
Order the group of quadratic functions from widest to narrowest graph. y = 3x^2;y=5x^2;y=7x^2 Order the group of quadratic functions from widest to narrower graph. y = -1/3x^2;y=2/3x^2; y = 3/2 x^2

Algebra
There are 12 students in a social studies class. Three students will be selected to present their term projects today. In how many different orders can three students be selected?

algebra 2
A model rocket is launched with an initial upward velocity of 164 / ft s . The rocket's height h (in feet) after t seconds is given by the following. = h − 164 t 16 t 2 Find all values of t for which the rocket's height is 92 feet. Round your answer(s) to the nearest ...

algebra
1. Which polynomial does the model represent? (1 point) –x³ + 2x² – 3x + 2 x² + x – 2 –x² – x + 2 –x² + x – 2 For questions 2 and 3, simplify each polynomial. 2. 2x2 + 8 – 4x + 3x – 6x2 + 7 (1 point) –8x2 – 7x + 15 –4x2 – x + 15 4x2 + x + 15 8x2...

Algebra
Does the data in the table represent a direct variation or an inverse variation? x 1 3 4 7 y 5 15 20 35 A) DV; y=1/5x B) IV; xy=5 C) DV; y=5x D) IV; xy=1/5

Algebra
Bonus:This isb from a mathematics book published in 1880. If a horse trots 3 miles in 8 minutes and 15 seconds, how far can be trot in an hour at the same rate? My answer:8 miles (I don't know if this is right though.)

Algebra 1
The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? about 1.64 hours about 134.00 hours about 2.45 hours*** ...

Algebra
1. Simplify the expression 4 3 — - — x x 2. Simplify the expression 6 4 — + — c c² 3. Simplify the expression 3y 9y — ÷ — 4y - 8 2y² - 4y 4. Simplify the expression: ( 2x³ - x² - 13x - 6 ) ÷ ( x -3 )

Algebra 2 geomotry
Area=432 width is 6 feet less than length. what's the length. I haven't done this since the beginning of the year so I could really use the help remembering how.

Algebra
An investment account earns 7.5% per year compounded quarterly. How many years will it take for the account to triple its initial value. (Make sure that you round up) For the death of me, I can't figure out how to do this problem. Can anybody walk me through it so I can do the...

Algebra
a. Pick 9 different dog breeds and find their average weights. List each breed and weight. Find the mean, median, and mode of the data. Which measure of central tendency best describes the data? Explain your answer. please help I have no idea what I'm doing! I just need help ...

Algebra
Give an equation that models a linear pattern and then give an equation that models a nonlinear pattern.

Algebra
Simplify 4sqrt6/ sqrt30 by rationalizing the denominator. Need help can someone show me steps on how to do this

algebra 1
Cameron is on page 21 of his book. He reads 112 pages per minute and wants to read to at least page 84 tonight. The inequality 21+112t≥84 models this situation, where t is time in minutes

Algebra, substitution method
How can I do x+5y=10 -2x-6y=-8

Algebra
The mean amount of money withdrawn from a bank ATM on a particular day was $120. If Lauren withdrew $80 and her z-score was -3.2, what was the standard deviation for the amount withdrawn that day?

Algebra
Patty’s Burgers sells three hamburgers and two milkshakes for three dollars and thirty five cents. One hamburger and one milkshake cost one dollar and thirty cents. Find the cost of a hamburger. I got 89 cents but its not working

Algebra
Let x be any real number. Then the statement x^3 > 0 is true for a. x > 0 only b. x < 0 only c. no values of x d. all real values of x i think it's d but i'm not sure ;;

Pre-Algebra
I have another Pythagorean theorem: word problem that has stumped me for the last time. The floor of storage unit is 12 meters long and 9 meters wide. What is the distance between two opposite corners of the floor? Thank you so much!

Algebra
This is my second post . I still don't get and it is due tomorrow! !! Jill made two 6 sided dice and labeled each od them with these numbers -3, -2, -1, 0, 1, 2 Suppose this pair of dice was tossed 1000 times and the numbers on the two top faces were added. Which sum would ...

Algebra 1
How do I find a, b, c, and d, for cubic equations in word problems.

Pre-Algebra
I'm having problems with Pythagorean theorem: word problems. Please help me. Damon is fishing from a small boat. A fish swimming at the same depth as the hook at the end of his fishing line is 12 feet away from the hook. If Damon is 20 feet away from the fish, how far below ...

Algebra
what are the mean median mode and range of the data set given the altitude of lakes in feet 12, -9, -14, -39, -49, -18, and -43?

algebra
Given the function rule f(x) = x^2 - 5x + 1 what is the output of f(-3)? answer choices - 7 -5 25 5. My answer is 25

Pre Algebra
1 Which table of values represents a linear function? A. B. C. D. X | Y -2 | -1 -2 | 4 -2 | 6 -2 | 0 -1 | -4 -1 | 1 -1 | 3 -1 | 2 0 | -5 0 | 0 0 | 0 0 | 4 1 | 4. 1 | -1 1 | 3. 1 | 6 2 You observe that the line shown below passes through the point (0,4 )and has a slope of 1/2. ...

algebra.. Urgent
Given the function rule f(x) = x^2 - 5x + 1 what is the output of f(-3)? answer choices - 7 -5 25 5. My answer is 25

Algebra
Why is a duplicate key like a small cake?

Algebra
How do you make a matrix out of these numbers: -3, -2, -1, 0, 1, 2. I don't know what a matrix is.

Algebra
Pick a number. Multiply by 2. Subtract 8. Divide by 2. Add 4. What is the result? Use algebra to show why the tricks work.

Algebra
Complete these ratio tables for two pant mixture Peacock purple _________________ Red blue 2 5 ___ 15 14 ___ Purple plum __________________ Red blue 7 3 _____ 15 14 ____ Help me????? Show we how to do. Need blanks filled in

Pre-Algebra
Can I have some help please. 4. (3x+4)(x - 2) A. 3x^2-2x-8 B. x-8 C. 3x-2x-8 D. 3x^2+2x+8 5. (2y-1)(4y-3) A. -2y+3 B. 8y^2-10y-3 C. 8y^2-10y+3 D. 8y^2-2y+3

Algebra
Find a 2 digit number whose square ends in the same 2 digit number. Find more than one answer.

Algebra
Jill made two 6 sided dice and labeled each of them with these numbers. -3, -2, -1, 0, 1, 2 Suppose this pair of dice was tossed 1,000 times and the numbers on the two top faces were added. Which sum would probably be the most common? And why?

algebra
Solve the equation using the zero-product property. -9n(5n-5) a. -1/9, 1 b. 0,1***** c. -1/9,-1 d. 0,-1 Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2-6=x a. x=2,3 b. x=-2,3 ***** c. x=2,-3 d. x=-2,-3 How many real number ...

Algebra 1
Solve the equation. Identify any extraneous solutions. sqrt d=-6

algebra, help if you can!
1. Simplify. (-12x^4)/(x^4+8x^5) a. -12/1+8x where x≠ -1/8** b. -12/1+8x where x≠ -1/8, 0 c. -12/9x where x≠ 0 d. -12/9 2. Simplify. (x+7)/(x^2 + 4x - 21) a. 1/x-3 where x≠ 3, -7** b. x-3 where x≠ 3 c. 1/x-7 where x≠ 7 d. x-7 3. Simplify. (x^2-3x-18)/(x+3) a. x-3 b...

algebra
Divide. (-6m^9 -6m^8 -16m^6) ÷ (2m^3) a. -3m^9 -3m^8 -8m^6** b. -3m^6 -6m^8 -16m^3 c. -3m^6 -3m^5 -8m^3 d. -3m^6 -3m^5 -16m^3

algebra
What is the solution to the equation 1/x - 6/x^2 = -12 a. x= 3/4 or x= -2/3 b. x= 3/4 or x= 2/3 c. x= -3/4 or x= 2/3** d x= -3/4 or x= -2/3

Algebra
List the sides in order from shortest to longest in xyz with m<x=50 m<y=5×+10 and m<z=5x

Algebra
A total of 23,456.78 dollars was invested in two funds paying 2½ percent and 1¾ annual interest. The combined interest for the year percent is 368 dollars and 50 cents. Part A: How much of the 23,456.78 dollars is invested in 2½ percent fund? Part B: How much of the 23,456....

Algebra
Riley uses the equation y = 10x to calculate the amount of money he earns after working x hours. The table below shows the amount of money Mandy earns after working different numbers of hours. Hours Worked Amount Earned 9 $81 12 $108 15 $135 Which statement is true?

algebra
2 times the sq rt of 5 + 3 times the sq rt of 7 ^2

Math pre-Algebra please help
1 Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1**** 6/1 2 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N? 2/7 3/7 1/3 2/3...

Algebra 1
Hi I really need help with this problem, thanks. Divide (20x^2-12x+8)/(2x+8) these are the choices: A. 10x-34+ 280/2x-8 B. 10x+34+ 280/2x-8 C. 10x+46+ 376/2x-8 D. 10x-46+ 376/2x+8 Thanks so much.

Algebra 1
Please help me with this math problem: divide (20x^2-12x+8)/(2x+8) these are the choices: A. 10x-34+ 280/2x-8 B. 10x+34+ 280/2x-8 C. 10x+46+ 376/2x-8 D. 10x-46+ 376/2x+8 Thanks so much.

algebra
What is the length of the hypotenuse of a right triangle if the two legs are 21 and 20?

Math pre-Algebra
Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1*** 6/1 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N? 2/7 3/7 1/3 2/3*** ...

Algebra
At the new Cozy Inn Restaurant, which is still under construction, the owners have hired enough waiters and waitresses to handle 17 tables of customers. The fire marshall has looked at the plans for the restaurant and says he will approve it for a limit of 56 customers. The ...

Pre-Algebra Polynomials and Properties of Exponent
1. 16x^2 + 2 + 2x - 15x^2 - 1 + 14x A. 31x^2 + 16x + 1 B. x^2 - 12x + 1 **** C. x^2 + 16x + 1 D. x^2 + 16x + 2 2. 2x^2 + 8 - 4x + 3x - 6x^2 + 7 A. -8x^2 - 7x + 15 B. -4x^2 - x + 15 **** C. 4x^2 + x + 15 D. 8x^2 + 7x + 15 3. 4x^2 + 8x - 11x + 6 - 5x^2 + 2 A. -x^2 - 3x + 8 **** ...

Advanced Algebra
Chevy and Judith are purchasing a townhouse and finance $154,200 with a 30 year 5/3 ARM at 6.45% with a 4/13 cap structure what will their payments be at the beginning of the 6th year assuming they are charged maximum interest rate for that year? a. 907.11 b. 1356.97 c. 969.58...

Algebra
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 ...

Algebra Readiness 8B
Simplify each polynomial. 1. 6g + 8k - 9g + 2k A. 3g + 10k B. -3g + 10k C. 17gk D. 10k - 3 2. -4x + 6x^2 + 5x A. 7x^3 B. 6x^2 + 9x C. 6x^2 - 9x D. 6x^2 + x 3. a^2 + 5a - 3a^2 A. 5a + 2a^2 B. 5a - 2a^2 C. 2a^2 + 5a D. 5a - 3a^2 4. 3x^2 + 8x + 7x A. 3x^2 + 15x B. 18x^3 C. 3x^2...

algebra
you have 3 bedroom apartments that are 1250 square feet, they are renting for $1450 a month. What is the price per square foot? Please help me figure the answers by walking me thru the problem so that'll know if i have to divide, add, or subtract. thank you for all your help!

Algebra
Does the data in the table represent a direct variation or an inverse variation? x - 1, 2, 5, 10 y - 40, 20, 8, 4 A.) Direct variation; y = 40x B.) Inverse variation; xy = 40* C.) Inverse variation; xy = 1/40

algebra
you have 10 vacant units open three 1 bedrooms renting for $800 a month, six 2 bedrooms renting for $1050 a month and one 3 bedrooms renting for 1475 a month, what is your monthly rental loss if you do not rent these units? I got an answer and coming up with 11,525. Thank you!

Algebra
A radio commercial for a used car company offers loans at "20 cents per day for every $400 borrowed" to purchase a car. If you borrow $2000 for 200 days, what amount will you repay? (Assume a 360 day year)

Algebra
you have 10 vacant units open three 1 bedrooms renting for $800 a month, six 2 bedrooms renting for $1050 a month and one 3 bedrooms renting for 1475 a month, what is your monthly rental loss if you do not rent these units? THANK YOU SO MUCH!

algebra
Silver is liquid for Celsius temperatures C such that 960.8 degrees (less than or equal to) C < 2180 degrees. Find such an inequality for for the corresponding Fahrenheit temperatures.

Algebra
A rectangular pool was 5 m longer than it was wide. When a brick walkway 1m wide was added around the pool, the area was increased by 36 m^2. Find the dimension of pool itself. Dimension of pool: Length= x Width= x-5 So I know the area= x(x-5) = x^2-5l And I also so know, when...

Algebra 1
Measures of Central Tendency and Dispersion Practice 2. Tell which measure of central tendency best describes the data. Time spent on Internet (min/day) 75 38 43 120 65 48 52 A. Mean B. Median C. Mode Help? I really don't understand this :/

Algebra
A total of 23,456.78 dollars was invested in two funds paying 2½ percent and 1¾ annual interest. The combined interest for the year percent is 368 dollars and 50 cents. Part A: How much of the 23,456.78 dollars is invested in 2½ percent fund? Part B: How much of the 23,456....

algebra
Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 12 8 3 23 Female 19 18 4 41 Total 31 26 7 64 If one student is chosen at random, Find the probability that the student was NOT a male that got a "A"

algebra 2
a sound wave is modeled with the equation y=1/4 cos 2pi/3 theta. a.find the period.explain b.find the amplitude.explain

algebra 2
for what values of theta are the tangent 0?for what values of theta is the tangent undefined?explain.

Algebra 2
A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79. A function of f(x) is written to represent the cost of purchasing. What is the practical domain for the function? All whole numbers All positive All whole numbers that are multiples of 3 All ...

Algebra
I need help with this portfolio and I was wondering if someone could help me understand it. Task 1 Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a package (volume) while keeping how much material is ...

Algebra
How can you write the expression with a rationalized denominator? 3sqrt 2/3 sqrt 6 A) 3sqrt9/3*** B) 2+3sqrt9/6 C) 3sqrt9/6 D) 3sqrt72/3 Let f(x)=x^2+7 and g(x)=x+3/x. find (g*f)(-5) A) 35/12 B) 35/32 C) 32/35 D) 11/25*** Please correct me if I’m wrong

Algebra
With this height and weight formula how can I explain the answer. W=5h - 190

Algebra problem
Multiply (x-5/4x+8)*(12x^2+32x+16) A. (3x+2)/4(x-5) B. (x-5)(3x+2)/4 C. (x-5)(3x+3) D. (x-5)(12x+8) Please help me solve this problem because all I get is 3x^2-13x-10 (which isn't a choice.)

Algebra again
Simplify 5x^3/7x^3+x^4 Is the answer 5/7+x where x is not equal to 0,-7?

Algebra
Simplify x/6x-x^2 I know that the answer is 1/6-x but the answers look like this: A. 1/6-x where x is not equal to 0,6 B. 1/6-x where x is not equal to 6 Please help me with understand why is says x is not equal to, I have like 5 problems just like this so I really need to ...

Algebra 1
The width (w) of a rectangular pool is x+4. The area (A) of the pool is 2x^3 - 29x + 12. What is an expression for the length of the pool? A. 2x^2 + 8x + 3 B. 2x^2 - 8x - 3 C. 2x^2 - 8x + 3 D. 2x^2 + 8x - 3 I'm not sure please help me with this problem! Thanks.

algebra
The circle has a circumference of 50.24. Using 3.14 to approximate pi​, find the value of x.      â€​ƒA circle with a radius labeled x plus 3. x + 3

algebra
Simplify the expression: 4 times Start Root 18 End Root plus 5 times Start Root 32 End Root

Algebra
Solve Using Quadratic Equation 5r^2 = 2r + 1

algebra
Solve the following inequality. Yuur answer show be enter with the variable on the the left side of the inequality. ( i.e. x< 1000) In part I you will enter your boundry point. In part II you will enter L for less than and G for greater than. 5x + 4< 39

algebra 1
need help on where to go next. **(i need help with the numbers i've chosen how do I make them into fractions since in E it says find the least common denominator)**** John, Rick, and Molli paint a room together. a. Pick a reasonable amount of time in which the three friends ...

Algebra
Find the final hourly wage if a $11.50 starting wage is increased by 2.5% each year for 8 years. Half the raise is given every 6 months.

Algebra
Find the final amount of money in an account if $2,600 is deposited at 4% interest compounded annually and the money is left for 7 years.

Algebra
A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactive substance. After 21 hours, 70 mg of the substance remains. How many milligrams will remain after 35 hours?

Algebra
You want to have $600,000 when you retire in 20 years. If you can earn 3% interest compounded monthly, how much would you need to deposit now into the account to reach your retirement goal?

Algebra
A certain bacteria population is known to triples every 90 minutes. Suppose that there are initially 100 bacteria.

math algebra 1
just need a little help Task 2 John, Rick, and Molli paint a room together. a. Pick a reasonable amount of time in which the three friends can paint the room together. Also pick a reasonable amount of time in which John can paint the room alone and a reasonable amount of time ...

algebra
anyone have the answers for the Unit 4 Lesson 7: Probability Unit Test Algebra Readiness (Pre-Algebra) B?

Algebra
i am stuck with my homework of Algebra 1b of connections academy on unit test 6 i try to write down the questions but they disappear can someone help me plz my grade depends on it.

Algebra 1
1.18x^2 + 6 + 4x - 15x^2 - 4 + 13x 2. 2x^2 + 8 - 4x + 3x - 6x^2 + 7

algebra 1
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2 + 6x + 2 = 0

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Homework Help: Math