1,084 Answered Questions for the topic ACT Math

Act Math Math Sat Math Maths

06/08/20

a 44-foot ladder leans against a wall so that the angle between the ground and the ladder is 10°. How high does the ladder reach the wall?
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06/04/20

Word problem (infinite amount of answers)
x f(x)0 0.5525 0.32550 0.175 0.325100 0.55125 0.325150 0.1175 0.325200 0.55f(x)=0.225 sin(π/50(x-75))+ 0.325f(x)= 0.255 cos(π/50(x))+0.325Using one of these equations, how... more
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05/31/20

Polynomial Behavior

1) A polynomial starts with the term -3x^8. Tell me about each of these characteristics: degree: # of local maxima/minima possible: end behavior: # of zeros possible:
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05/31/20

Polynomial Behaviour(Homework Help)
.given the polynomial: f(x) = x^4 - x^3 - 2x^2 a) What is its degree? b) How many local maxima/minima does it have? c) Describe its end behavior? d) What are its zeros?
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05/28/20

Find sin ( u 2 ) if csc u = 11.008 and u is in Quadrant-I (assume that 0 < u < 2 π ).
if someone could show the process of how to get the answer for this
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Act Math

05/27/20

How to simplify fractions?
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05/26/20

Geometric Sequence Problem
Given two terms in a geometric sequence find the term named in the problem & the explicit formula: a6 = -128 and a3 = -16 find a12
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05/24/20

if D =x^2+y^2<a^2 then :
∫∫ ΙxΙ dA
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05/20/20

I am having an issue finding the correct amount. Ive tried the simple interest formula and the compound interest formula
$20,000 is loaned at a simple interest rate of 8% for 90 days. Find the total amount that must be repaid at the end of the 90-day period. (Round your answer to the nearest cent.)the answer is... more
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05/19/20

do not know what I am doing wrong
Suppose you won $730,000 in the lottery and deposited the money in a savings account that paid an annual rate of 8% interest, compounded daily. How much interest would you earn in a year? (Round... more
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05/19/20

I used A=P(1+r/n)^nt to solve but I've gotten it wrong
$20,000 is loaned at a simple interest rate of 8% for 90 days.
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05/19/20

having issues solving and rounding up
A deposit of $19,000 is placed in a savings account that pays 3.2% interest, compounded daily. How much money can be withdrawn at the end of 8 years if the principal is to remain in the bank?... more
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05/18/20

if 121 people attend a concert and tickets for adults cost $3.25 while tickets for children cost $2.75 and total receipts for the concert was $356.25 , how many of each went to the comcert ?
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Act Math Math Sat Math

05/13/20

Tim is size 45 ft.² of his floor and 15 minutes at this rate how long does it take them to install 495 ft.²
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Act Math

05/13/20

How fast are the quicks driving?
the quicks are leaving their home to go on vacation. after driving for 3.25 hours, they are 150 km from their home. then, after 4.75 hours they are 250 km from their home. how fast are the quicks... more
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05/08/20

Please help, I am stuck...
Find F ′(x) for .Options: 1)  sin(24) - sin(x12) 2)  sin(x7) 3)  -sin(x12) 4)  -3x2sin(x12)
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05/08/20

Please help, I am stuck...
The function f is continuous on the interval [4, 15], with some of its values given in the table above. Estimate the average value of the function with a Trapezoidal Approximation, using the 4... more
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05/08/20

Assistance with math please?
Find the domain for the particular solution to the differential equation , with initial condition y(2) = 2.Options: 1)  x > -2 2)  3)  [-4, 4] 4)  All real numbers
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05/08/20

Help really needed. Thank you so much
Oil is delivered to a refinery between the hours of midnight (t = 0) and 5 a.m. (t = 5). Selected values of the rate of delivery are shown in the table below, with t measured in hours past... more
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05/08/20

Please help me out. Thank you
A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity... more
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05/08/20

Please help me out. Thank you
Write the integral in one variable to find the volume of the solid obtained by rotating the first-quadrant region bounded by y = 0.5x2 and y = x about the line x = 3
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05/08/20

Please help me out. Thank you
Find the area bounded by the curves x = y2 - 4y and x = 2y - y2. Your work must include an integral in one variable
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05/08/20

Please help me out. Thank you
Find 
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05/08/20

Please help me out. Thank you
Write  as a definite integral.
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05/08/20

I really need help with math homework. Please and thank you!
If the graph of f '(x) is continuous and decreasing with an x-intercept at x = c, which of the following must be true? Options: 1)  The graph of f has a relative maximum at x = c. 2)  The graph... more
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