1,084 Answered Questions for the topic ACT Math

04/06/20

Suppose you drive an average of 13,000 miles per​ year, and your car gets 25 miles per gallon. Suppose gasoline costs ​$3.20 a gallon.
a. How much money do you spend each year on​ gasoline? b. You plan to trade in your car for one that gets x more miles per gallon. Write an expression to represent the new yearly cost of gasoline.... more
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04/04/20

system of linear equations
how many solutions does the following system of linear equations have?4x - 9y = 112x - 27y = 3
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04/03/20

Basic combinatorics
I just started learning combinatorics. Those aren't really hard but I still have some trouble. There are 3 different cities: A, B, C. There are 6 ways from A to B, and 4 ways from B to C. How many... more
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03/31/20

I got the answer 62 and 48 but says i am wrong
 city park employee collected 1,850 cents in nickels, dimes, and quarters at the bottom of a wishing well. There were 30 nickels, and a combined total of 110 dimes and quarters. How many dimes and... more
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Act Math

03/31/20

2) To rent a boat it costs $11 plus an additional $10 per hour. If you have $71, write and solve an equation to determine how many hours (h) you can rent the boat.
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03/29/20

Logarithmic Equations
Solve for x. Please leave log in your answer. 93x - 10 = 17 11-10x+ 7 = 54
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Act Math

03/27/20

It takes 32 minutes for 3 people to paint 4 walls. How many minutes does it take 4 people to paint 7 walls?
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Act Math

03/27/20

Lee can type 1 1/3 pages every 15 minutes. How many hours does it take him to type 10 2/3 pages? Complete the rate table to solve the proportion.
Lee can type 1 1/3 pages every 15 minutes. How many hours does it take him to type 10 2/3 pages? Complete the rate table to solve the proportion.
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Act Math Math

03/25/20

Use the table at the right to find the value of t(20).
The table includes n values (x- value) of 1,2,3,4, and 5. The table doesn't have a t(n) (y value) value for 1 or 2, but 3's value is 24, 4's value is 48, and 5's value is 96. How do you find t(20)?
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Act Math Math

03/24/20

What is the slope and y-intercept of the line in the (x, y) coordinate plane given by the equation 5x + 24 = 8y?
And how do I find the slope and y-intercept? Please help.
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Act Math

03/24/20

please help with this math equation

At the movie theatre, child admission is $6.00 and adult admission is $9.30. On Saturday, 165 tickets were sold for a total sales of $1293.60. How many adult tickets were sold that day?
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Act Math

03/22/20

How much is 2.5 pounds of apples at $1.25 per pound
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Act Math Math Sat Math

03/21/20

Interesting divisibility problem
Several different numbers are written on the board. Exactly 2 are divisible by 2, and exactly 33 are divisible by 33. Let M be the biggest of them. What is the smallest possible value for M?
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Act Math Math Sat Math Maths

03/21/20

I’ve gotten it wrong many times
After beginning a new position with 9 established accounts, a salesman made it his objective to add 3 new accounts every month. His goal was to reach 51 accounts. At this rate, how many months... more
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Act Math

03/16/20

A rectangle with a perimeter of 92 inches has a length of 14 inches longer than its width. what is its width in inches?
hard question, i dont understand
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03/15/20

Logistic Math Probelm
The gross domestic product (GDP) of the United States has shown logistic growth from 1970 through 1992. The gross domestic product G (in billions of dollars) can be modeled by the equationG = ... more
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03/05/20

The number of bacteria in a culture is increasing according to the law of exponential growth.

The number of bacteria in a culture is increasing according to the law of exponential growth. After 3 hours, there are 400 bacteria, and after 6 hours, there are 3200 bacteria. How many bacteria... more
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03/05/20

Find the missing value for the radioactive isotope. (Round your answer to two decimal places.)
Isotope Half life (years) Initial Quantity Amount after 1000 Years 226Ra 1599 6 g  ? g
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03/03/20

How much time can be saved in traveling from Charlottesville to Roanoke at the new speed limit? Convert your answer to minutes.
For many years, the posted highway speed limit was 88.5 km/hr, but in recent years, some rural stretches of highway have increased their speed limit to 104.6 km/hr. In the state of Virginia, the... more
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03/02/20

Statistics question- Testing a Hypothesis (Type I and Type II errors)
Remember our bank that’s sending out DVDs to try to get customers to make payments on delinquent loans? It is looking for evidence that the costlier DVD strategy produces a higher success rate than... more
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03/01/20

Vertical/Horizontal asymptotes problem
How do I find all vertical and horizontal asymptotes of the graph of the function?f(x) x2-1/x2-2x-3
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02/28/20

Vertical & Horizontal Aymptotes
Find all vertical & horizontal asymptotes of the graph of the function :a. f(x) = 4/x2b. f(x) = x3/x2 - 1
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Act Math

02/27/20

Point slope firm and slope intercept

Through: -5,-3 and parallel to y=8/5x-3
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Act Math

02/26/20

What expression is equivalent to X^2/3
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Act Math Math

02/24/20

Double my number , subtract 3 , subtract my number and add 4 the answer is my number plus 2
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