1,084 Answered Questions for the topic ACT Math

Act Math Trigonometry

07/02/19

What are the values of θ, between 0 and 2pi, when tan θ=-1 ? I am totally lost at this problem and need a detailed explanation.
Please walk me through each step and why. It would be greatly appreciated. Answer Choices:F: pi/4 and 3pi/4 onlyG: 3pi/4 and 5pi/4 onlyH: 3pi/4 and 7pi/4 onlyJ: 5pi/4 and 7pi/4 only K: pi/4, 3pi/4,... more
Follows • 1
Expert Answers •1

06/21/19

Multiplying on the TEAS test
What is the product of 0.7 and 0.6?A.) 4.2B.) 0.42C.) 0.042D.) 0.0042
Follows • 1
Expert Answers •1

06/20/19

I cannot figure out a question
I can´t figure out what the sum of two numberss that equal 13 and their difference is 11.
Follows • 1
Expert Answers •3

06/17/19

percentage: 90% with 47 class periods

If I have to be present for 90% of my class and there are 47 class periods how many absences can I have
Follows • 2
Expert Answers •1

06/16/19

A company that makes 12 oz jars of their product calculates the amount of error produced when filling these jars. How can absolute value help here?
Follows • 1
Expert Answers •1

06/08/19

Algebra in Physics
The electrical resistance of a wire varies directly as its length and inversely as the square of its diameter. A wire with a length of 200 inches and a diameter of one-quarter of an inch has a... more
Follows • 1
Expert Answers •1
Act Math

06/05/19

ACT math prep question
30.Suppose that x is a positive real number and 4x/6x^2 is a rational number. Which of the following statements about x MUST be true?A. x is rationalB. x is irrationalC. x = 1D. x = 2/3E. x =... more
Follows • 3
Expert Answers •2
Act Math

06/05/19

ACT math prep question
35.Given that x and (7-x)/2 are integers, which of the following statements about x MUST be true?A. x is oddB. x is evenC. x is primeD. x is positiveE. x is negativeMy answer is "x is odd" b/c when... more
Follows • 2
Expert Answers •1
Act Math

06/04/19

Help with ACT math prep

The value of a used car can be modeled by the formula V=Vo(1-r)^t where Vo is the car's purchase price, in dollars; r is the car's constant annual rate of decrease in value, expressed as a decimal;... more
Follows • 1
Expert Answers •1

06/04/19

How many liters of water must be evaporated from 10 L of a 30% salt solution to produce a 50% solution?
Follows • 1
Expert Answers •1

05/30/19

At the local grocer, 3 apples and 5 oranges cost total of $6.20. 7 apples and 4 oranges cost a total of $7.95. What is the cost of one apple and one orange?
Follows • 1
Expert Answers •2

05/30/19

The larger of two numbers is 2 more than three times the smaller number. The difference between the numbers is 12. Find the numbers,
Follows • 0
Expert Answers •4
Act Math

05/24/19

Math I need help

two mechanics worked on a car. the first mechanic worked for 20 hours, The second mechanic work for 15 hours. together they changed a total $2375. what was the rate charged per hour by each... more
Follows • 0
Expert Answers •2

05/23/19

Geometry: If A is the midpoint of BD¯¯, and m∠DAE=m∠BAC, which answer choices must be used to show △ABC≅△ADE by the SAS Congruence Postulate?
A garden is designed as shown.If A is the midpoint of BD¯¯, and m∠DAE=m∠BAC, which answer choices must be used to show △ABC≅△ADE by the SAS Congruence Postulate?There is more than one correct... more
Follows • 1
Expert Answers •1
Act Math

05/22/19

What is the same solution as the system shown
-3x+y=k2x+3y=Lhow do I determine the answer please give answer
Follows • 1
Expert Answers •1
Act Math

05/16/19

Two numbers have the sum of 19. If one of the numbers is c, express the other number in terms of c. The other number is
Two numbers have the sum of 19. If one of the numbers is c, express the other number in terms of c. The other number is?
Follows • 1
Expert Answers •1
Act Math

05/14/19

The sum of two numbers is 51. The smaller number is 15 less than the larger number

Follows • 1
Expert Answers •1
Act Math

05/13/19

Percentages in a word problem
Eric has some pizza. He sold 40% more slices than he ate. If he sold 70 slices of pizza, how many did he eat?
Follows • 1
Expert Answers •1
Act Math

05/10/19

Jayla has scored 75,80,73 and 85 on her four math test. If she needs and average of 80 or above in order to drama in on the basketball team, what is the lowest score she can make on her next test?
Follows • 1
Expert Answers •1
Act Math

05/07/19

Lenas guest house is 15 m long and 12m wide how long is the diagonal of the house?
15m long 12m wide how long is the diagonal of the house?
Follows • 1
Expert Answers •2
Act Math Math Sat

05/03/19

This is an mortgage question

You are buying a house for 135,500 down payment is 15% of purchase price due at closing. Monthly home insurance is 150 yearly taxes is 3570 your intrest rate is 5.5% that is coumpounded monthly... more
Follows • 2
Expert Answers •1
Act Math

04/29/19

Miss Gaines is saving 1/8 of her income to purchase a new car if her income for 1 week was $890.20 how much did she say for her car
Follows • 1
Expert Answers •1

04/29/19

Which of the following is the set of all real numbers x which there are points on the graph

y=sqrt(-x2 ) in the xy plane?A) The EMPTY SETB)The set containing only zeroC)The set of all positive real numbersD)The set of all negative real numbersE)The set of all real numbers
Follows • 1
Expert Answers •1
Act Math

04/23/19

sue read three fifths of the book,what fraction will sue h
sue read three fifths of the book,what fraction will sue have left to read
Follows • 1
Expert Answers •1
Act Math

04/22/19

Struggling atudent
Rodney brought a 25 pound bag of dog food. The first month he used 10 2/5 and the second month he used 10 4/5. How Mich dog food is left in pounds
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.