Newest ACT Math Questions | Wyzant Ask An Expert

02/24/20

Can you use Matrixes to organize this info and write a matrix that gives total and also a change

1996- number of units—CDs:20,779;cassettes:15,299 and music videos: 45.dollar value—CDs: 268,441; cassettes: 122,329; and music videos:9161997- number of units- CDs: 26,277; cassettes: 17,799; and... more

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Act Math

02/19/20

bridget has softball practice every 3rd day and lacrosse every 6th day. if she has both today in ho many days will she have both again?

bridget has softball practice every 3rd day and lacrosse every 6th day. if she has both today in ho many days will she have both again

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Act Math Math Algebra 1

02/13/20

Eva has a saltwater aquarium. The tank has 95 liters of water, and she puts 3.36 kg of salts in it to make it the right salinity for her fish.

She just bought a new, larger tank. She put 130 liters of water and 5 kg of salt in the new tank.A) Which is saltier? The old tank or the new tank? Show your work.B) She wants her new tank to have... more

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Act Math Math Algebra 2 Calculus

02/12/20

Interest Compounded Problem

I am unsure how to solve this problem: You borrow $2500 at 12.25% interest compounded monthly. If you are unable to make any payments the first year, how much do you owe, excluding penalties?

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Act Math Math Algebra 1 Algebra 2

02/12/20

Continuous Compounding Problem

How do I solve this? You lend $100 at 10% continuous interest. If you are repaid 2 months later, what is owed?

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Act Math Math

02/06/20

Trigonometry on the ACT

How would you solve something like this: What is the value of 2cos(π/2)+sin(π/2)?

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Act Math Math

02/06/20

Line tangent to a circle

How would you solve an equation like this for example: Line Z is tangent to the circle (x−4)^2+(y−3)^2=100 at point (4, 13). Line W is tangent to this circle at point B, with Line W parallel to... more

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Act Math Math

02/05/20

How do you simply a giant multiple variable fraction with exponents.

As an example: (x^−5*y^5*z^3)/(y^5*z^−1) ? How do you simplify something like that and what exponent rules do you need to keep in mind to do so.

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Act Math Math

02/05/20

Reflecting a line across an axis in a graph.

The line y=3 is reflected across the x axis. What would be the equation of this new line - how would you find that? Or what if you were to reflect x=3 across the y axis, how would you solve this?

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Act Math

02/03/20

found $8.25 in pennies, nickels, dimes, and quarters. When deposited money, she noticed that she had twice as many nickels as pennies, 1 fewer dime than nickels, and I more quarter than nickels.

How many quarters did Lucky find that week?

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Act Math Math Algebra 1 Algebra 2

02/02/20

Domain of Functions

How do I figure these out?What is the domain of each functionf(x) = 3x2/x2-1f(x) = 1/x-1f(x) = x2+ x - 20 / x2 + 8x + 16

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Act Math Algebra 2 Sat Math Algebra

01/30/20

How to graph the quadratic function.

In Exercises 5–7, use the following information.On fourth down, a team is just out of field goal range. The punter is called in to punt. To avoid kicking the ball into the endzone, the punter needs... more

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Act Math Math Algebra 2 Sat Math

01/30/20

How to graph the quadratic function.

In Exercises 1–4, use the following information.A punter kicked a 41-yard punt. The path of the football can be modeled by y􏰀=-􏰁0.035x^2+1.4x+1, where x is the distance (in yards) the football is... more

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Act Math Math Algebra 2 Football

01/28/20

Can you graph this quadratic function? Does punting a football from the 40-yard line mean it reached the end zone

On fourth down, a team is just out of field goal range. The punter is called in to punt. To avoid kicking the ball into the endzone, the punter needs to kick the football high and short. This punt... more

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Act Math Math Algebra 2 Sat Math

01/27/20

an equation that could be used to determine the time, t, in seconds, for the ball to reach the ground. Assume ground level is at a height of 0 ft.

The height, h, of an object that is thrown upwards into the air can be represented as h = 0.5 at 2 + v 0 t + h 0, where a represents the acceleration due to gravity (– 32ft s 2 ), v 0 represents... more

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Act Math Math Sat Math Polynomials

01/26/20

Need help solving

Find a fourth-degree polynomial with integer coefficients that has and as zeroes, such that

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Act Math Math Algebra 1 Algebra 2

01/23/20

A LEVEL MATHEMATICS

An infinite geometric series has common ratio r. the sum to infinity of the series is 7 times the first term of the series. Given that the first term of the series is 15, find the least value of n... more

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