133 Answered Questions for the topic Algebra2

29d

Graph quadratic functions in standard form

Consider the quadratic function below and (a) find the vertex : (b ) find the axis of symmetry : (c) determine whether there is a maximum or a minimum value and find that value : and (d) graph the... more

Find all x for this equation 2cosx-3=-5, 0<_x<_2π

The range is 0 is less than equal x and x is less than equal 2π.Solve this according to the rules of unit circle.
Algebra2 Algebra`

05/01/21

Math Problem x5

You need a 65% alcohol solution. On hand, you have a 300 mL of a 60% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired... more
Algebra2 Algebra1

05/01/21

Math Problem x5

Theresa Morgan, a chemist, has a 30% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 640 liters of a hydrochloric acid solution with a... more
Algebra2 Math Algebra1

05/01/21

Math Problem x2

You need 200 mL of a 10% alcohol solution. On hand, you have a 40% alcohol mixture. How much of the 40% alcohol mixture and pure water will you need to obtain the desired solution?
Algebra2 Algebra Wordproblem

04/28/21

Math Problem x1

April invests $1900 in one account and $800 in an account paying 3 % higher interest. At the end of one year she had earned $186 in interest. At what rates did she invest?
Algebra2 Math Algebra1

04/28/21

Word Problem x2

If Ben has 2 times as many dimes as quarters and they have a combined value of 360 cents, how many of each coin does he have?
Algebra2 Algebra1

04/28/21

Word Problem x3

If Chris has 13 nickels and dimes in his pocket, and they have a combined value of 100 cents, how many of each coin does he have?
Algebra2 Math Algebra1

04/28/21

Word Problem x3

The admission fee at an amusement park is $3.75 for children and $4.80 for adults. On a certain day, 316 people entered the park, and the admission fees collected totaled 1353 dollars. How many... more
Algebra2 Algebra Mixture

04/28/21

Mixture Algebra x1

You need a 65% alcohol solution. On hand, you have a 130 mL of a 15% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired... more
Algebra2 Math Algebra

04/28/21

Mixture Problem x2

A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $14.00 per pound should be mixed with 13 pounds of trail mix costing $3.40 per... more
Algebra2 Math Algebra

04/26/21

Mixture Problem x5

You need a 65% alcohol solution. On hand, you have a 130 mL of a 15% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired... more
Algebra2 Math Algebra

04/26/21

Mixture Problem 4

A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $14.00 per pound should be mixed with 13 pounds of trail mix costing $3.40 per... more
Algebra2 Algebra Algebra1

04/26/21

Mixture Question #1

You need a 25% alcohol solution. On hand, you have a 225 mL of a 75% alcohol mixture. How much pure water will you need to add to obtain the desired solution?
Algebra2 Math Algebra1

04/26/21

Mixture Question

Chris needs to mix a 30% acid solution with a 60% acid solution to create 100 millileters of a 36% solution. How many millileters of each solution must Chris use?
Algebra2 Math Algebra

04/13/21

Math Problem x2

If Demetrius has 13 nickels and dimes in his pocket, and they have a combined value of 95 cents, how many of each coin does he have?
Algebra2 Math Algebra1

04/13/21

Word Problem x2

If Blake has 2 times as many dimes as quarters and they have a combined value of 180 cents, how many of each coin does he have?
Algebra2 Math Algebra

04/13/21

Word Problem x1

If April has 4 more dimes than nickels and they have a combined value of 130 cents, how many of each coin does she have?
Algebra2 Algebra1 Mth

04/13/21

Math Problem #2

Salvador invests $7000 in two different accounts. The first account paid 12 %, the second account paid 2 % in interest. At the end of the first year he had earned $370 in interest. How much was in... more

03/23/21

algebra 1 help please, explain all answers

The movie, Hidden Figures tells the story of how 3 african american women Katherine G johnson, Dorothy Vaughan, and mary jackson, teamed up to solve nasa's mathematical equations during the sace... more
Algebra2 Algebra1

03/17/21

Math Question 5

Twelve times the sum of a number and nine is -156. What is the number?A) Translate the statement above into an equation that you can solve to answer this question. Do not solve it yet. Use x as... more
Algebra2 Math Algebra

03/17/21

Math Question x1

The sum of the ages of Dakota and Kristen is 84 years. 7 years ago, Dakota's age was 4 times Kristen's age. How old is Dakota now?
Algebra2 Math Algebra1

03/15/21

Math Question 1

I opened a grocery account at my bank for $100, Every week thereafter, I withdraw $95 from the account for groceries. Okay, so If x is the number of weeks I've had the account, then y is the amount... more
Algebra2 Algebra Growth

03/11/21

Growth Question

A town's population has been growing linearly. In 2003 the population was 65,000. The population has been growing by 1200 people each year. Write an equation for the population, P, x years after 2003. more
Algebra2 Math Algebra1

03/07/21

Math Problem x7

Suppose z varies inversely with t and that z=30 when t=11. What is the value of z when t=6?

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